Combined search for the Standard Model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector

PHYSICAL REVIEW D 86:3 (2012) ARTN 032003

Authors:

G Aad, T Abajyan, B Abbott, J Abdallah, S Abdel Khalek, AA Abdelalim, O Abdinov, R Aben, B Abi, M Abolins, OS AbouZeid, H Abramowicz, H Abreu, E Acerbi, BS Acharya, L Adamczyk, DL Adams, TN Addy, J Adelman, S Adomeit, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Agustoni, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, M Ahsan, G Aielli, T Akdogan, TPA Akesson, G Akimoto, AV Akimov, MS Alam, MA Alam, J Albert, S Albrand, M Aleksa, IN Aleksandrov, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, BMM Allbrooke, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, F Alonso, B Alvarez Gonzalez, MG Alviggi, K Amako, C Amelung, VV Ammosov, A Amorim, N Amram, C Anastopoulos, LS Ancu, N Andari, T Andeen, CF Anders, G Anders, KJ Anderson, A Andreazza, V Andrei, XS Anduaga, P Anger, A Angerami, F Anghinolfi, A Anisenkov, N Anjos, A Annovi, A Antonaki, M Antonelli, A Antonov, J Antos, F Anulli, M Aoki, S Aoun, L Aperio Bella, R Apolle, G Arabidze, I Aracena, Y Arai, ATH Arce, S Arfaoui, J-F Arguin, E Arik, M Arik, AJ Armbruster, O Arnaez, V Arnal, C Arnault, A Artamonov, G Artoni, D Arutinov, S Asai, R Asfandiyarov, S Ask, B Asman, L Asquith, K Assamagan, A Astbury, B Aubert, E Auge, K Augsten, M Aurousseau, G Avolio, R Avramidou, D Axen, G Azuelos, Y Azuma, MA Baak, G Baccaglioni, C Bacci, AM Bach, H Bachacou, K Bachas, M Backes, M Backhaus, E Badescu, P Bagnaia, S Bahinipati, Y Bai, DC Bailey, T Bain, JT Baines, OK Baker, MD Baker, S Baker, E Banas, P Banerjee, Sw Banerjee, D Banfi, A Bangert, V Bansal, HS Bansil, L Barak, SP Baranov, A Barbaro Galtieri, T Barber, EL Barberio, D Barberis, M Barbero, DY Bardin, T Barillari, M Barisonzi, T Barklow, N Barlow, BM Barnett, RM Barnett, A Baroncelli, G Barone, AJ Barr, F Barreiro, J Barreiro Guimaraes da Costa, P Barrillon, R Bartoldus, AE Barton, V Bartsch, RL Bates, L Batkova, JR Batley, A Battaglia, M Battistin, F Bauer, HS Bawa, S Beale, T Beau, PH Beauchemin, R Beccherle, P Bechtle, HP Beck, AK Becker, S Becker, M Beckingham, KH Becks, AJ Beddall, A Beddall, S Bedikian, VA Bednyakov, CP Bee, LJ Beemster, M Begel, S Behar Harpaz, M Beimforde, C Belanger-Champagne, PJ Bell, WH Bell, G Bella, L Bellagamba, F Bellina, M Bellomo, A Belloni, O Beloborodova, K Belotskiy, O Beltramello, O Benary, D Benchekroun, K Bendtz, N Benekos, Y Benhammou, E Benhar Noccioli, JA Benitez Garcia, DP Benjamin, M Benoit, JR Bensinger, K Benslama, S Bentvelsen, D Berge, E Bergeaas Kuutmann, N Berger, F Berghaus, E Berglund, J Beringer, P Bernat, R Bernhard, C Bernius, T Berry, C Bertella, A Bertin, F Bertolucci, MI Besana, GJ Besjes, N Besson, S Bethke, W Bhimji, RM Bianchi, M Bianco, O Biebel, SP Bieniek, K Bierwagen, J Biesiada, M Biglietti, H Bilokon, M Bindi, S Binet, A Bingul, C Bini, C Biscarat, U Bitenc, KM Black, RE Blair, J-B Blanchard, G Blanchot, T Blazek, C Blocker, J Blocki, A Blondel, W Blum, U Blumenschein, GJ Bobbink, VB Bobrovnikov, SS Bocchetta, A Bocci, CR Boddy, M Boehler, J Boek, N Boelaert, JA Bogaerts, A Bogdanchikov, A Bogouch, C Bohm, J Bohm, V Boisvert, T Bold, V Boldea, NM Bolnet, M Bomben, M Bona, M Boonekamp, CN Booth, S Bordoni, C Borer, A Borisov, G Borissov, I Borjanovic, M Borri, S Borroni, V Bortolotto, K Bos, D Boscherini, M Bosman, H Boterenbrood, J Bouchami, J Boudreau, EV Bouhova-Thacker, D Boumediene, C Bourdarios, N Bousson, A Boveia, J Boyd, IR Boyko, I Bozovic-Jelisavcic, J Bracinik, P Branchini, A Brandt, G Brandt, O Brandt, U Bratzler, B Brau, JE Brau, HM Braun, SF Brazzale, B Brelier, J Bremer, K Brendlinger, R Brenner, S Bressler, D Britton, FM Brochu, I Brock, R Brock, F Broggi, C Bromberg, J Bronner, G Brooijmans, T Brooks, WK Brooks, G Brown, H Brown, PA Bruckman de Renstrom, D Bruncko, R Bruneliere, S Brunet, A Bruni, G Bruni, M Bruschi, T Buanes, Q Buat, F Bucci, J Buchanan, P Buchholz, RM Buckingham, AG Buckley, SI Buda, IA Budagov, B Budick, V Buescher, L Bugge, O Bulekov, AC Bundock, M Bunse, T Buran, H Burckhart, S Burdin, T Burgess, S Burke, E Busato, P Bussey, CP Buszello, B Butler, JM Butler, CM Buttar, JM Butterworth, W Buttinger, S Cabrera Urban, D Caforio, O Cakir, P Calafiura, G Calderini, P Calfayan, R Calkins, LP Caloba, R Caloi, D Calvet, S Calvet, R Camacho Toro, P Camarri, D Cameron, LM Caminada, S Campana, M Campanelli, V Canale, F Canelli, A Canepa, J Cantero, R Cantrill, L Capasso, MDM Capeans Garrido, I Caprini, M Caprini, D Capriotti, M Capua, R Caputo, R Cardarelli, T Carli, G Carlino, L Carminati, B Caron, S Caron, E Carquin, GD Carrillo Montoya, AA Carter, JR Carter, J Carvalho, D Casadei, MP Casado, M Cascella, C Caso, AM Castaneda Hernandez, E Castaneda-Miranda, V Castillo Gimenez, NF Castro, G Cataldi, P Catastini, A Catinaccio, JR Catmore, A Cattai, G Cattani, S Caughron, P Cavalleri, D Cavalli, M Cavalli-Sforza, V Cavasinni, F Ceradini, AS Cerqueira, A Cerri, L Cerrito, F Cerutti, SA Cetin, A Chafaq, D Chakraborty, I Chalupkova, K Chan, B Chapleau, JD Chapman, JW Chapman, E Chareyre, DG Charlton, V Chavda, CA Chavez Barajas, S Cheatham, S Chekanov, SV Chekulaev, GA Chelkov, MA Chelstowska, C Chen, H Chen, S Chen, X Chen, Y Chen, A Cheplakov, R Cherkaoui El Moursli, V Chernyatin, E Cheu, SL Cheung, L Chevalier, G Chiefari, L Chikovani, JT Childers, A Chilingarov, G Chiodini, AS Chisholm, RT Chislett, A Chitan, MV Chizhov, G Choudalakis, S Chouridou, IA Christidi, A Christov, D Chromek-Burckhart, ML Chu, J Chudoba, G Ciapetti, AK Ciftci, R Ciftci, D Cinca, V Cindro, C Ciocca, A Ciocio, M Cirilli, P Cirkovic, M Citterio, M Ciubancan, A Clark, PJ Clark, RN Clarke, W Cleland, JC Clemens, B Clement, C Clement, Y Coadou, M Cobal, A Coccaro, J Cochran, JG Cogan, J Coggeshall, E Cogneras, J Colas, S Cole, AP Colijn, NJ Collins, C Collins-Tooth, J Collot, T Colombo, G Colon, P Conde Muino, E Coniavitis, MC Conidi, SM Consonni, V Consorti, S Constantinescu, C Conta, G Conti, F Conventi, M Cooke, BD Cooper, AM Cooper-Sarkar, K Copic, T Cornelissen, M Corradi, F Corriveau, A Cortes-Gonzalez, G Cortiana, G Costa, MJ Costa, D Costanzo, T Costin, D Cote, L Courneyea, G Cowan, C Cowden, BE Cox, K Cranmer, F Crescioli, M Cristinziani, G Crosetti, S Crepe-Renaudin, C-M Cuciuc, C Cuenca Almenar, T Cuhadar Donszelmann, M Curatolo, CJ Curtis, C Cuthbert, P Cwetanski, H Czirr, P Czodrowski, Z Czyczula, S D'Auria, M D'Onofrio, A D'Orazio, MJ Da Cunha Sargedas De Sousa, C Da Via, W Dabrowski, A Dafinca, T Dai, C Dallapiccola, M Dam, M Dameri, DS Damiani, HO Danielsson, V Dao, G Darbo, GL Darlea, JA Dassoulas, W Davey, T Davidek, N Davidson, R Davidson, E Davies, M Davies, O Davignon, AR Davison, Y Davygora, E Dawe, I Dawson, RK Daya-Ishmukhametova, K De, R de Asmundis, S De Castro, S De Cecco, J de Graat, N De Groot, P de Jong, C De la Taille, H De la Torre, F De Lorenzi, L de Mora, L De Nooij, D De Pedis, A De Salvo, U De Sanctis, A De Santo, JB De Vivie De Regie, G De Zorzi, WJ Dearnaley, R Debbe, C Debenedetti, B Dechenaux, DV Dedovich, J Degenhardt, C Del Papa, J Del Peso, T Del Prete, T Delemontex, M Deliyergiyev, A Dell'Acqua, L Dell'Asta, M Della Pietra, D Della Volpe, M Delmastro, PA Delsart, C Deluca, S Demers, M Demichev, B Demirkoz, J Deng, SP Denisov, D Derendarz, JE Derkaoui, F Derue, P Dervan, K Desch, E Devetak, PO Deviveiros, A Dewhurst, B DeWilde, S Dhaliwal, R Dhullipudi, A Di Ciaccio, L Di Ciaccio, A Di Girolamo, B Di Girolamo, S Di Luise, A Di Mattia, B Di Micco, R Di Nardo, A Di Simone, R Di Sipio, MA Diaz, EB Diehl, J Dietrich, TA Dietzsch, S Diglio, K Dindar Yagci, J Dingfelder, F Dinut, C Dionisi, P Dita, S Dita, F Dittus, F Djama, T Djobava, MAB do Vale, A Do Valle Wemans, TKO Doan, M Dobbs, R Dobinson, D Dobos, E Dobson, J Dodd, C Doglioni, T Doherty, Y Doi, J Dolejsi, I Dolenc, Z Dolezal, BA Dolgoshein, T Dohmae, M Donadelli, J Donini, J Dopke, A Doria, A Dos Anjos, A Dotti, MT Dova, AD Doxiadis, AT Doyle, M Dris, J Dubbert, S Dube, E Duchovni, G Duckeck, A Dudarev, F Dudziak, M Duerssen, IP Duerdoth, L Duflot, M-A Dufour, L Duguid, M Dunford, H Duran Yildiz, R Duxfield, M Dwuznik, F Dydak, M Dueren, J Ebke, S Eckweiler, K Edmonds, W Edson, A Edwards, NC Edwards, W Ehrenfeld, T Eifert, G Eigen, K Einsweiler, E Eisenhandler, T Ekelof, M El Kacimi, M Ellert, S Elles, F Ellinghaus, K Ellis, N Ellis, J Elmsheuser, M Elsing, D Emeliyanov, R Engelmann, A Engl, B Epp, J Erdmann, A Ereditato, D Eriksson, J Ernst, M Ernst, J Ernwein, D Errede, S Errede, E Ertel, M Escalier, H Esch, C Escobar, X Espinal Curull, B Esposito, F Etienne, AI Etienvre, E Etzion, D Evangelakou, H Evans, L Fabbri, RM Fakhrutdinov, S Falciano, Y Fang, M Fanti, A Farbin, A Farilla, J Farley, T Farooque, S Farrell, SM Farrington, P Farthouat, P Fassnacht, D Fassouliotis, B Fatholahzadeh, A Favareto, L Fayard, S Fazio, R Febbraro, P Federic, OL Fedin, W Fedorko, M Fehling-Kaschek, L Feligioni, D Fellmann, C Feng, EJ Feng, AB Fenyuk, J Ferencei, W Fernando, S Ferrag, J Ferrando, V Ferrara, A Ferrari, P Ferrari, R Ferrari, DE Ferreira de Lima, A Ferrer, D Ferrere, C Ferretti, A Ferretto Parodi, M Fiascaris, F Fiedler, A Filipcic, F Filthaut, M Fincke-Keeler, MCN Fiolhais, L Fiorini, A Firan, G Fischer, MJ Fisher, M Flechl, I Fleck, J Fleckner, P Fleischmann, S Fleischmann, T Flick, A Floderus, LR Flores Castillo, MJ Flowerdew, T Fonseca Martin, A Formica, A Forti, D Fortin, D Fournier, H Fox, P Francavilla, M Franchini, S Franchino, D Francis, T Frank, S Franz, M Fraternali, S Fratina, ST French, C Friedrich, F Friedrich, R Froeschl, D Froidevaux, C Fukunaga, E Fullana Torregrosa, BG Fulsom, J Fuster, C Gabaldon, O Gabizon, T Gadfort, S Gadomski, G Gagliardi, P Gagnon, C Galea, EJ Gallas, V Gallo, BJ Gallop, P Gallus, KK Gan, YS Gao, A Gaponenko, F Garberson, M Garcia-Sciveres, C Garcia, JE Garcia Navarro, RW Gardner, N Garelli, H Garitaonandia, V Garonne, C Gatti, G Gaudio, B Gaur, L Gauthier, P Gauzzi, IL Gavrilenko, C Gay, G Gaycken, EN Gazis, P Ge, Z Gecse, CNP Gee, DAA Geerts, Ch Geich-Gimbel, K Gellerstedt, C Gemme, A Gemmell, MH Genest, S Gentile, M George, S George, P Gerlach, A Gershon, C Geweniger, H Ghazlane, N Ghodbane, B Giacobbe, S Giagu, V Giakoumopoulou, V Giangiobbe, F Gianotti, B Gibbard, A Gibson, SM Gibson, D Gillberg, AR Gillman, DM Gingrich, J Ginzburg, N Giokaris, MP Giordani, R Giordano, FM Giorgi, P Giovannini, PF Giraud, D Giugni, M Giunta, P Giusti, BK Gjelsten, LK Gladilin, C Glasman, J Glatzer, A Glazov, KW Glitza, GL Glonti, JR Goddard, J Godfrey, J Godlewski, M Goebel, T Goepfert, C Goeringer, C Goessling, S Goldfarb, T Golling, A Gomes, LS Gomez Fajardo, R Goncalo, J Goncalves Pinto Firmino Da Costa, L Gonella, S Gonzalez, S Gonzalez De la Hoz, G Gonzalez Parra, ML Gonzalez Silva, S Gonzalez-Sevilla, JJ Goodson, L Goossens, PA Gorbounov, HA Gordon, I Gorelov, G Gorfine, B Gorini, E Gorini, A Gorisek, E Gornicki, B Gosdzik, AT Goshaw, M Gosselink, MI Gostkin, I Gough Eschrich, M Gouighri, D Goujdami, MP Goulette, AG Goussiou, C Goy, S Gozpinar, I Grabowska-Bold, P Grafstroem, K-J Grahn, F Grancagnolo, S Grancagnolo, V Grassi, V Gratchev, N Grau, HM Gray, JA Gray, E Graziani, OG Grebenyuk, T Greenshaw, ZD Greenwood, K Gregersen, IM Gregor, P Grenier, J Griffiths, N Grigalashvili, AA Grillo, S Grinstein, YV Grishkevich, J-F Grivaz, E Gross, J Grosse-Knetter, J Groth-Jensen, K Grybel, D Guest, C Guicheney, S Guindon, U Gul, H Guler, J Gunther, B Guo, J Guo, P Gutierrez, N Guttman, O Gutzwiller, C Guyot, C Gwenlan, CB Gwilliam, A Haas, S Haas, C Haber, HK Hadavand, DR Hadley, P Haefner, F Hahn, S Haider, Z Hajduk, H Hakobyan, D Hall, J Haller, K Hamacher, P Hamal, M Hamer, A Hamilton, S Hamilton, L Han, K Hanagaki, K Hanawa, M Hance, C Handel, P Hanke, JR Hansen, JB Hansen, JD Hansen, PH Hansen, P Hansson, K Hara, GA Hare, T Harenberg, S Harkusha, D Harper, RD Harrington, OM Harris, J Hartert, F Hartjes, T Haruyama, A Harvey, S Hasegawa, Y Hasegawa, S Hassani, S Haug, M Hauschild, R Hauser, M Havranek, CM Hawkes, RJ Hawkings, AD Hawkins, D Hawkins, T Hayakawa, T Hayashi, D Hayden, CP Hays, HS Hayward, SJ Haywood, M He, SJ Head, V Hedberg, L Heelan, S Heim, B Heinemann, S Heisterkamp, L Helary, C Heller, M Heller, S Hellman, D Hellmich, C Helsens, RCW Henderson, M Henke, A Henrichs, AM Henriques Correia, S Henrot-Versille, C Hensel, T Henss, CM Hernandez, Y Hernandez Jimenez, R Herrberg, G Herten, R Hertenberger, L Hervas, GG Hesketh, NP Hessey, E Higon-Rodriguez, JC Hill, KH Hiller, S Hillert, SJ Hillier, I Hinchliffe, E Hines, M Hirose, F Hirsch, D Hirschbuehl, J Hobbs, N Hod, MC Hodgkinson, P Hodgson, A Hoecker, MR Hoeferkamp, J Hoffman, D Hoffmann, M Hohlfeld, M Holder, O Holmgren, T Holy, JL Holzbauer, TM Hong, L Hooft van Huysduynen, C Horn, S Horner, J-Y Hostachy, S Hou, A Hoummada, J Howard, J Howarth, I Hristova, J Hrivnac, T Hryn'ova, PJ Hsu, S-C Hsu, Z Hubacek, F Hubaut, F Huegging, A Huettmann, TB Huffman, EW Hughes, G Hughes, M Huhtinen, M Hurwitz, U Husemann, N Huseynov, J Huston, J Huth, G Iacobucci, G Iakovidis, M Ibbotson, I Ibragimov, L Iconomidou-Fayard, J Idarraga, P Iengo, O Igonkina, Y Ikegami, M Ikeno, D Iliadis, N Ilic, T Ince, J Inigo-Golfin, P Ioannou, M Iodice, K Iordanidou, V Ippolito, A Irles Quiles, C Isaksson, M Ishino, M Ishitsuka, R Ishmukhametov, C Issever, S Istin, AV Ivashin, W Iwanski, H Iwasaki, JM Izen, V Izzo, B Jackson, JN Jackson, P Jackson, MR Jaekel, V Jain, K Jakobs, S Jakobsen, T Jakoubek, J Jakubek, DK Jana, E Jansen, H Jansen, A Jantsch, M Janus, G Jarlskog, L Jeanty, I Jen-La Plante, D Jennens, P Jenni, P Jez, S Jezequel, MK Jha, H Ji, W Ji, J Jia, Y Jiang, M Jimenez Belenguer, S Jin, O Jinnouchi, MD Joergensen, D Joffe, M Johansen, KE Johansson, P Johansson, S Johnert, KA Johns, K Jon-And, G Jones, RWL Jones, TJ Jones, C Joram, PM Jorge, KD Joshi, J Jovicevic, T Jovin, X Ju, CA Jung, RM Jungst, V Juranek, P Jussel, A Juste Rozas, S Kabana, M Kaci, A Kaczmarska, P Kadlecik, M Kado, H Kagan, M Kagan, E Kajomovitz, S Kalinin, LV Kalinovskaya, S Kama, N Kanaya, M Kaneda, S Kaneti, T Kanno, VA Kantserov, J Kanzaki, B Kaplan, A Kapliy, J Kaplon, D Kar, M Karagounis, K Karakostas, M Karnevskiy, V Kartvelishvili, AN Karyukhin, L Kashif, G Kasieczka, RD Kass, A Kastanas, M Kataoka, Y Kataoka, E Katsoufis, J Katzy, V Kaushik, K Kawagoe, T Kawamoto, G Kawamura, MS Kayl, VA Kazanin, MY Kazarinov, R Keeler, R Kehoe, M Keil, GD Kekelidze, JS Keller, M Kenyon, O Kepka, N Kerschen, BP Kersevan, S Kersten, K Kessoku, J Keung, F Khalil-zada, H Khandanyan, A Khanov, D Kharchenko, A Khodinov, A Khomich, TJ Khoo, G Khoriauli, A Khoroshilov, V Khovanskiy, E Khramov, J Khubua, H Kim, SH Kim, N Kimura, O Kind, BT King, M King, RSB King, J Kirk, AE Kiryunin, T Kishimoto, D Kisielewska, T Kitamura, T Kittelmann, E Kladiva, M Klein, U Klein, K Kleinknecht, M Klemetti, A Klier, P Klimek, A Klimentov, R Klingenberg, JA Klinger, EB Klinkby, T Klioutchnikova, PF Klok, S Klous, E-E Kluge, T Kluge, P Kluit, S Kluth, NS Knecht, E Kneringer, EBFG Knoops, A Knue, BR Ko, T Kobayashi, M Kobel, M Kocian, P Kodys, K Koeneke, AC Koenig, S Koenig, L Koepke, F Koetsveld, P Koevesarki, T Koffas, E Koffeman, LA Kogan, S Kohlmann, F Kohn, Z Kohout, T Kohriki, T Koi, GM Kolachev, H Kolanoski, V Kolesnikov, I Koletsou, J Koll, M Kollefrath, AA Komar, Y Komori, T Kondo, T Kono, AI Kononov, R Konoplich, N Konstantinidis, S Koperny, K Korcyl, K Kordas, A Korn, A Korol, I Korolkov, EV Korolkova, VA Korotkov, O Kortner, S Kortner, VV Kostyukhin, S Kotov, VM Kotov, A Kotwal, C Kourkoumelis, V Kouskoura, A Koutsman, R Kowalewski, TZ Kowalski, W Kozanecki, AS Kozhin, V Kral, VA Kramarenko, G Kramberger, MW Krasny, A Krasznahorkay, JK Kraus, S Kreiss, F Krejci, J Kretzschmar, N Krieger, P Krieger, K Kroeninger, H Kroha, J Kroll, J Kroseberg, J Krstic, U Kruchonak, H Krueger, T Kruker, N Krumnack, ZV Krumshteyn, T Kubota, S Kuday, S Kuehn, A Kugel, T Kuhl, D Kuhn, V Kukhtin, Y Kulchitsky, S Kuleshov, C Kummer, M Kuna, J Kunkle, A Kupco, H Kurashige, M Kurata, YA Kurochkin, V Kus, ES Kuwertz, M Kuze, J Kvita, R Kwee, A La Rosa, L La Rotonda, L Labarga, J Labbe, S Lablak, C Lacasta, F Lacava, H Lacker, D Lacour, VR Lacuesta, E Ladygin, R Lafaye, B Laforge, T Lagouri, S Lai, E Laisne, M Lamanna, L Lambourne, CL Lampen, W Lampl, E Lancon, U Landgraf, MPJ Landon, JL Lane, VS Lang, C Lange, AJ Lankford, F Lanni, K Lantzsch, S Laplace, C Lapoire, JF Laporte, T Lari, A Larner, M Lassnig, P Laurelli, V Lavorini, W Lavrijsen, P Laycock, O Le Dortz, E Le Guirriec, C Le Maner, E Le Menedeu, T LeCompte, F Ledroit-Guillon, H Lee, JSH Lee, SC Lee, L Lee, M Lefebvre, M Legendre, F Legger, C Leggett, M Lehmacher, G Lehmann Miotto, X Lei, MAL Leite, R Leitner, D Lellouch, B Lemmer, V Lendermann, KJC Leney, T Lenz, G Lenzen, B Lenzi, K Leonhardt, S Leontsinis, F Lepold, C Leroy, J-R Lessard, CG Lester, CM Lester, J Leveque, D Levin, LJ Levinson, A Lewis, GH Lewis, AM Leyko, M Leyton, B Li, H Li, S Li, X Li, Z Liang, H Liao, B Liberti, P Lichard, M Lichtnecker, K Lie, W Liebig, C Limbach, A Limosani, M Limper, SC Lin, F Linde, JT Linnemann, E Lipeles, A Lipniacka, TM Liss, D Lissauer, A Lister, AM Litke, C Liu, D Liu, H Liu, JB Liu, L Liu, M Liu, Y Liu, M Livan, SSA Livermore, A Lleres, J Llorente Merino, SL Lloyd, E Lobodzinska, P Loch, WS Lockman, T Loddenkoetter, FK Loebinger, A Loginov, CW Loh, T Lohse, K Lohwasser, M Lokajicek, VP Lombardo, RE Long, L Lopes, D Lopez Mateos, J Lorenz, N Lorenzo Martinez, M Losada, P Loscutoff, F Lo Sterzo, MJ Losty, X Lou, A Lounis, KF Loureiro, J Love, PA Love, AJ Lowe, F Lu, HJ Lubatti, C Luci, A Lucotte, A Ludwig, D Ludwig, I Ludwig, J Ludwig, F Luehring, G Luijckx, W Lukas, D Lumb, L Luminari, E Lund, B Lund-Jensen, B Lundberg, J Lundberg, O Lundberg, J Lundquist, M Lungwitz, D Lynn, E Lytken, H Ma, LL Ma, G Maccarrone, A Macchiolo, B Macek, J Machado Miguens, R Mackeprang, RJ Madaras, HJ Maddocks, WF Mader, R Maenner, T Maeno, P Maettig, S Maettig, L Magnoni, E Magradze, K Mahboubi, S Mahmoud, G Mahout, C Maiani, C Maidantchik, A Maio, S Majewski, Y Makida, N Makovec, P Mal, B Malaescu, Pa Malecki, P Malecki, VP Maleev, F Malek, U Mallik, D Malon, C Malone, S Maltezos, V Malyshev, S Malyukov, R Mameghani, J Mamuzic, A Manabe, L Mandelli, I Mandic, R Mandrysch, J Maneira, PS Mangeard, L Manhaes de Andrade Filho, JA Manjarres Ramos, A Mann, PM Manning, A Manousakis-Katsikakis, B Mansoulie, A Mapelli, L Mapelli, L March, JF Marchand, F Marchese, G Marchiori, M Marcisovsky, CP Marino, F Marroquim, Z Marshall, FK Martens, LF Marti, S Marti-Garcia, B Martin, B Martin, JP Martin, TA Martin, VJ Martin, B Martin dit Latour, S Martin-Haugh, M Martinez, V Martinez Outschoorn, AC Martyniuk, M Marx, F Marzano, A Marzin, L Masetti, T Mashimo, R Mashinistov, J Masik, AL Maslennikov, I Massa, G Massaro, N Massol, P Mastrandrea, A Mastroberardino, T Masubuchi, P Matricon, H Matsunaga, T Matsushita, C Mattravers, J Maurer, SJ Maxfield, A Mayne, R Mazini, M Mazur, L Mazzaferro, M Mazzanti, SP Mc Kee, A McCarn, RL McCarthy, TG McCarthy, NA McCubbin, KW McFarlane, JA Mcfayden, G Mchedlidze, T Mclaughlan, SJ McMahon, RA McPherson, A Meade, J Mechnich, M Mechtel, M Medinnis, R Meera-Lebbai, T Meguro, R Mehdiyev, S Mehlhase, A Mehta, K Meier, B Meirose, C Melachrinos, BR Mellado Garcia, F Meloni, L Mendoza Navas, Z Meng, A Mengarelli, S Menke, E Meoni, KM Mercurio, P Mermod, L Merola, C Meroni, FS Merritt, H Merritt, A Messina, J Metcalfe, AS Mete, C Meyer, C Meyer, J-P Meyer, J Meyer, J Meyer, TC Meyer, J Miao, S Michal, L Micu, RP Middleton, S Migas, L Mijovic, G Mikenberg, M Mikestikova, M Mikuz, DW Miller, RJ Miller, WJ Mills, C Mills, A Milov, DA Milstead, D Milstein, AA Minaenko, M Minano Moya, IA Minashvili, AI Mincer, B Mindur, M Mineev, Y Ming, LM Mir, G Mirabelli, J Mitrevski, VA Mitsou, S Mitsui, PS Miyagawa, JU Mjoernmark, T Moa, V Moeller, K Moenig, N Moeser, S Mohapatra, W Mohr, R Moles-Valls, J Monk, E Monnier, J Montejo Berlingen, F Monticelli, S Monzani, RW Moore, GF Moorhead, C Mora Herrera, A Moraes, N Morange, J Morel, G Morello, D Moreno, M Moreno Llacer, P Morettini, M Morgenstern, M Morii, AK Morley, G Mornacchi, JD Morris, L Morvaj, HG Moser, M Mosidze, J Moss, R Mount, E Mountricha, SV Mouraviev, EJW Moyse, F Mueller, J Mueller, K Mueller, TA Mueller, T Mueller, D Muenstermann, Y Munwes, WJ Murray, I Mussche, E Musto, AG Myagkov, M Myska, J Nadal, K Nagai, R Nagai, K Nagano, A Nagarkar, Y Nagasaka, M Nagel, AM Nairz, Y Nakahama, K Nakamura, T Nakamura, I Nakano, G Nanava, A Napier, R Narayan, M Nash, T Nattermann, T Naumann, G Navarro, HA Neal, P Yu Nechaeva, TJ Neep, A Negri, G Negri, M Negrini, S Nektarijevic, A Nelson, TK Nelson, S Nemecek, P Nemethy, AA Nepomuceno, M Nessi, MS Neubauer, A Neusiedl, RM Neves, P Nevski, PR Newman, V Nguyen Thi Hong, RB Nickerson, R Nicolaidou, B Nicquevert, F Niedercorn, J Nielsen, N Nikiforou, A Nikiforov, V Nikolaenko, I Nikolic-Audit, K Nikolics, K Nikolopoulos, H Nilsen, P Nilsson, Y Ninomiya, A Nisati, R Nisius, T Nobe, L Nodulman, M Nomachi, I Nomidis, S Norberg, M Nordberg, PR Norton, J Novakova, M Nozaki, L Nozka, IM Nugent, A-E Nuncio-Quiroz, G Nunes Hanninger, T Nunnemann, E Nurse, BJ O'Brien, SW O'Neale, DC O'Neil, V O'Shea, LB Oakes, FG Oakham, H Oberlack, J Ocariz, A Ochi, S Oda, S Odaka, J Odier, H Ogren, A Oh, SH Oh, CC Ohm, T Ohshima, H Okawa, Y Okumura, T Okuyama, A Olariu, AG Olchevski, SA Olivares Pino, M Oliveira, D Oliveira Damazio, E Oliver Garcia, D Olivito, A Olszewski, J Olszowska, A Onofre, PUE Onyisi, CJ Oram, MJ Oreglia, Y Oren, D Orestano, N Orlando, I Orlov, C Oropeza Barrera, RS Orr, B Osculati, R Ospanov, C Osuna, G Otero y Garzon, JP Ottersbach, M Ouchrif, EA Ouellette, F Ould-Saada, A Ouraou, Q Ouyang, A Ovcharova, M Owen, S Owen, VE Ozcan, N Ozturk, A Pacheco Pages, C Padilla Aranda, S Pagan Griso, E Paganis, C Pahl, F Paige, P Pais, K Pajchel, G Palacino, CP Paleari, S Palestini, D Pallin, A Palma, JD Palmer, YB Pan, E Panagiotopoulou, P Pani, N Panikashvili, S Panitkin, D Pantea, A Papadelis, Th D Papadopoulou, A Paramonov, D Paredes Hernandez, W Park, MA Parker, F Parodi, JA Parsons, U Parzefall, S Pashapour, E Pasqualucci, S Passaggio, A Passeri, F Pastore, Fr Pastore, G Pasztor, S Pataraia, N Patel, JR Pater, S Patricelli, T Pauly, M Pecsy, S Pedraza Lopez, MI Pedraza Morales, SV Peleganchuk, D Pelikan, H Peng, B Penning, A Penson, J Penwell, M Perantoni, K Perez, T Perez Cavalcanti, E Perez Codina, MT Perez Garcia-Estan, V Perez Reale, L Perini, H Pernegger, R Perrino, P Perrodo, VD Peshekhonov, K Peters, BA Petersen, J Petersen, TC Petersen, E Petit, A Petridis, C Petridou, E Petrolo, F Petrucci, D Petschull, M Petteni, R Pezoa, A Phan, PW Phillips, G Piacquadio, A Picazio, E Piccaro, M Piccinini, SM Piec, R Piegaia, DT Pignotti, JE Pilcher, AD Pilkington, J Pina, M Pinamonti, A Pinder, JL Pinfold, B Pinto, C Pizio, M Plamondon, M-A Pleier, E 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Rescigno, S Resconi, B Resende, P Reznicek, R Rezvani, R Richter, E Richter-Was, M Ridel, M Rijpstra, M Rijssenbeek, A Rimoldi, L Rinaldi, RR Rios, I Riu, G Rivoltella, F Rizatdinova, E Rizvi, SH Robertson, A Robichaud-Veronneau, D Robinson, JEM Robinson, A Robson, JG Rocha de Lima, C Roda, D Roda Dos Santos, A Roe, S Roe, O Rohne, S Rolli, A Romaniouk, M Romano, G Romeo, E Romero Adam, L Roos, E Ros, S Rosati, K Rosbach, A Rose, M Rose, GA Rosenbaum, EI Rosenberg, PL Rosendahl, O Rosenthal, L Rosselet, V Rossetti, E Rossi, LP Rossi, M Rotaru, I Roth, J Rothberg, D Rousseau, CR Royon, A Rozanov, Y Rozen, X Ruan, F Rubbo, I Rubinskiy, B Ruckert, N Ruckstuhl, VI Rud, C Rudolph, G Rudolph, F Ruehr, A Ruiz-Martinez, L Rumyantsev, Z Rurikova, NA Rusakovich, JP Rutherfoord, C Ruwiedel, P Ruzicka, YF Ryabov, P Ryan, M Rybar, G Rybkin, NC Ryder, AF Saavedra, I Sadeh, HF-W Sadrozinski, R Sadykov, F Safai Tehrani, H Sakamoto, G Salamanna, A Salamon, M Saleem, D Salek, D Salihagic, A Salnikov, J Salt, BM Salvachua Ferrando, D Salvatore, F Salvatore, A Salvucci, A Salzburger, D Sampsonidis, BH Samset, A Sanchez, V Sanchez Martinez, H Sandaker, HG Sander, MP Sanders, M Sandhoff, T Sandoval, C Sandoval, R Sandstroem, DPC Sankey, A Sansoni, C Santamarina Rios, C Santoni, R Santonico, H Santos, JG Saraiva, T Sarangi, E Sarkisyan-Grinbaum, F Sarri, G Sartisohn, O Sasaki, Y Sasaki, N Sasao, I Satsounkevitch, G Sauvage, E Sauvan, JB Sauvan, P Savard, V Savinov, DO Savu, L Sawyer, DH Saxon, J Saxon, C Sbarra, A Sbrizzi, DA Scannicchio, M Scarcella, J Schaarschmidt, P Schacht, D Schaefer, U Schaefer, S Schaepe, S Schaetzel, AC Schaffer, D Schaile, RD Schamberger, AG Schamov, V Scharf, VA Schegelsky, D Scheirich, M Schernau, MI Scherzer, C Schiavi, J Schieck, M Schioppa, S Schlenker, E Schmidt, K Schmieden, C Schmitt, S Schmitt, M Schmitz, B Schneider, U Schnoor, A Schoening, ALS Schorlemmer, M Schott, D Schouten, J Schovancova, M Schram, C Schroeder, N Schroer, MJ Schultens, J Schultes, 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P Skubic, M Slater, T Slavicek, K Sliwa, V Smakhtin, BH Smart, S Yu Smirnov, Y Smirnov, LN Smirnova, O Smirnova, BC Smith, D Smith, KM Smith, M Smizanska, K Smolek, AA Snesarev, SW Snow, J Snow, S Snyder, R Sobie, J Sodomka, A Soffer, CA Solans, M Solar, J Solc, E Yu Soldatov, U Soldevila, E Solfaroli Camillocci, AA Solodkov, OV Solovyanov, V Solovyev, N Soni, V Sopko, B Sopko, M Sosebee, R Soualah, A Soukharev, S Spagnolo, F Spano, R Spighi, G Spigo, R Spiwoks, M Spousta, T Spreitzer, B Spurlock, RD St Denis, J Stahlman, R Stamen, E Stanecka, RW Stanek, C Stanescu, M Stanescu-Bellu, S Stapnes, EA Starchenko, J Stark, P Staroba, P Starovoitov, R Staszewski, A Staude, P Stavina, G Steele, P Steinbach, P Steinberg, I Stekl, B Stelzer, HJ Stelzer, O Stelzer-Chilton, H Stenzel, S Stern, GA Stewart, JA Stillings, MC Stockton, K Stoerig, G Stoicea, S Stonjek, P Strachota, AR Stradling, A Straessner, J Strandberg, S Strandberg, A Strandlie, M Strang, E Strauss, M Strauss, P Strizenec, R Stroehmer, DM Strom, JA Strong, R Stroynowski, J Strube, B Stugu, I Stumer, J Stupak, P Sturm, NA Styles, DA Soh, D Su, HS Subramania, A Succurro, Y Sugaya, C Suhr, M Suk, VV Sulin, S Sultansoy, T Sumida, X Sun, JE Sundermann, K Suruliz, G Susinno, MR Sutton, Y Suzuki, Y Suzuki, M Svatos, S Swedish, I Sykora, T Sykora, J Sanchez, D Ta, K Tackmann, A Taffard, R Tafirout, N Taiblum, Y Takahashi, H Takai, R Takashima, H Takeda, T Takeshita, Y Takubo, M Talby, A Talyshev, MC Tamsett, J Tanaka, R Tanaka, S Tanaka, S Tanaka, AJ Tanasijczuk, K Tani, N Tannoury, S Tapprogge, D Tardif, S Tarem, F Tarrade, GF Tartarelli, P Tas, M Tasevsky, E Tassi, M Tatarkhanov, Y Tayalati, C Taylor, FE Taylor, GN Taylor, W Taylor, M Teinturier, M Teixeira Dias Castanheira, P Teixeira-Dias, KK Temming, H Ten Kate, PK Teng, S Terada, K Terashi, J Terron, M Testa, RJ Teuscher, J Therhaag, T Theveneaux-Pelzer, S Thoma, JP Thomas, EN Thompson, PD Thompson, PD Thompson, AS Thompson, LA Thomsen, E Thomson, M Thomson, WM Thong, RP Thun, F Tian, MJ Tibbetts, T Tic, VO Tikhomirov, YA Tikhonov, S Timoshenko, P Tipton, S Tisserant, T Todorov, S Todorova-Nova, B Toggerson, J Tojo, S Tokar, K Tokushuku, K Tollefson, M Tomoto, L Tompkins, K Toms, A Tonoyan, C Topfel, ND Topilin, I Torchiani, E Torrence, H Torres, E Torro Pastor, J Toth, F Touchard, DR Tovey, T Trefzger, L Tremblet, A Tricoli, IM Trigger, S Trincaz-Duvoid, MF Tripiana, N Triplett, W Trischuk, B Trocme, C Troncon, M Trottier-McDonald, M Trzebinski, A Trzupek, C Tsarouchas, JC-L Tseng, M Tsiakiris, PV Tsiareshka, D Tsionou, G Tsipolitis, S Tsiskaridze, V Tsiskaridze, EG Tskhadadze, II Tsukerman, V Tsulaia, J-W Tsung, S Tsuno, D Tsybychev, A Tua, A Tudorache, V Tudorache, JM Tuggle, M Turala, D Turecek, I Turk Cakir, E Turlay, R Turra, PM Tuts, A Tykhonov, M Tylmad, M Tyndel, G Tzanakos, K Uchida, I Ueda, R Ueno, M Ugland, M Uhlenbrock, M Uhrmacher, F Ukegawa, G Unal, A Undrus, G Unel, Y Unno, D Urbaniec, G Usai, M Uslenghi, L Vacavant, V Vacek, B Vachon, S Vahsen, J Valenta, S Valentinetti, A Valero, S Valkar, E Valladolid Gallego, S Vallecorsa, JA Valls Ferrer, PC Van der Deijl, R Van der Geer, H Van der Graaf, R Van der Leeuw, E Van der Poel, D Van der Ster, N Van Eldik, P Van Gemmeren, I Van Vulpen, M Vanadia, W Vandelli, A Vaniachine, P Vankov, F Vannucci, R Vari, T Varol, D Varouchas, A Vartapetian, KE Varvell, VI Vassilakopoulos, F Vazeille, T Vazquez Schroeder, G Vegni, JJ Veillet, F Veloso, R Veness, S Veneziano, A Ventura, D Ventura, M Venturi, N Venturi, V Vercesi, M Verducci, W Verkerke, JC Vermeulen, A Vest, MC Vetterli, I Vichou, T Vickey, OE Vickey Boeriu, GHA Viehhauser, S Viel, M Villa, M Villaplana Perez, E Vilucchi, MG Vincter, E Vinek, VB Vinogradov, M Virchaux, J Virzi, O Vitells, M Viti, I Vivarelli, F Vives Vaque, S Vlachos, D Vladoiu, M Vlasak, A Vogel, P Vokac, G Volpi, M Volpi, G Volpini, H Von der Schmitt, H Von Radziewski, E Von Toerne, V Vorobel, V Vorwerk, M Vos, R Voss, TT Voss, JH Vossebeld, N Vranjes, M Vranjes Milosavljevic, V Vrba, M Vreeswijk, T Vu Anh, R Vuillermet, I Vukotic, W Wagner, P Wagner, H Wahlen, S Wahrmund, J Wakabayashi, S Walch, J Walder, R Walker, W Walkowiak, R Wall, P Waller, B Walsh, C Wang, H Wang, H Wang, J Wang, J Wang, R Wang, SM Wang, T Wang, A Warburton, CP Ward, M Warsinsky, A Washbrook, C Wasicki, I Watanabe, PM Watkins, AT Watson, IJ Watson, MF Watson, G Watts, S Watts, AT Waugh, BM Waugh, MS Weber, P Weber, AR Weidberg, P Weigell, J Weingarten, C Weiser, H Wellenstein, PS Wells, T Wenaus, D Wendland, Z Weng, T Wengler, S Wenig, N Wermes, M Werner, P Werner, M Werth, M Wessels, J Wetter, C Weydert, K Whalen, SJ Wheeler-Ellis, A White, MJ White, S White, SR Whitehead, D Whiteson, D Whittington, F Wicek, D Wicke, FJ Wickens, W Wiedenmann, M Wielers, P Wienemann, C Wiglesworth, LAM Wiik-Fuchs, PA Wijeratne, A Wildauer, MA Wildt, I Wilhelm, HG Wilkens, JZ Will, E Williams, HH Williams, W Willis, S Willocq, JA Wilson, MG Wilson, A Wilson I Wingerter-Seez, S Winkelmann, F Winklmeier, M Wittgen, SJ Wollstadt, MW Wolter, H Wolters, WC Wong, G Wooden, BK Wosiek, J Wotschack, MJ Woudstra, KW Wozniak, K Wraight, C Wright, M Wright, B Wrona, SL Wu, X Wu, Y Wu, E Wulf, BM Wynne, S Xella, M Xiao, S Xie, C Xu, D Xu, B Yabsley, S Yacoob, M Yamada, H Yamaguchi, A Yamamoto, K Yamamoto, S Yamamoto, T Yamamura, T Yamanaka, J Yamaoka, T Yamazaki, Y Yamazaki, Z Yan, H Yang, UK Yang, Y Yang, Z Yang, S Yanush, L Yao, Y Yao, Y Yasu, GV Ybeles Smit, J Ye, S Ye, M Yilmaz, R Yoosoofmiya, K Yorita, R Yoshida, C Young, CJ Young, S Youssef, D Yu, J Yu, J Yu, L Yuan, A Yurkewicz, M Byszewski, B Zabinski, R Zaidan, AM Zaitsev, Z Zajacova, L Zanello, A Zaytsev, C Zeitnitz, M Zeman, A Zemla, C Zendler, O Zenin, T Zenis, Z Zinonos, S Zenz, D Zerwas, G Zevi della Porta, Z Zhan, D Zhang, H Zhang, J Zhang, X Zhang, Z Zhang, L Zhao, T Zhao, Z Zhao, A Zhemchugov, J Zhong, B Zhou, N Zhou, Y Zhou, CG Zhu, H Zhu, J Zhu, Y Zhu, X Zhuang, V Zhuravlov, D Zieminska, NI Zimin, R Zimmermann, S Zimmermann, S Zimmermann, M Ziolkowski, R Zitoun, L Zivkovic, VV Zmouchko, G Zobernig, A Zoccoli, M zur Nedden, V Zutshi, L Zwalinski, ATLAS Collaboration

A search for tt resonances with the ATLAS detector in 2.05 fb −1 of proton-proton collisions at √ s =7 TeV

European Physical Journal C 72:7 (2012)

Authors:

G Aad, B Abbott, J Abdallah, SA Khalek, AA Abdelalim, O Abdinov, B Abi, M Abolins, OSA Zeid, H Abramowicz, H Abreu, E Acerbi, BS Acharya, L Adamczyk, DL Adams, TN Addy, J Adelman, S Adomeit, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Agustoni, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, M Ahsan, G Aielli, T Akdogan, TPA Åkesson, G Akimoto, AV Akimov, MS Alam, MA Alam, J Albert, S Albrand, M Aleksa, IN Aleksandrov, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, BMM Allbrooke, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, BA Gonzalez, MG Alviggi, K Amako, C Amelung, VV Ammosov, A Amorim, N Amram, C Anastopoulos, LS Ancu, N Andari, T Andeen, CF Anders, G Anders, KJ Anderson, A Andreazza, V Andrei, XS Anduaga, P Anger, A Angerami, F Anghinolfi, A Anisenkov, N Anjos, A Annovi, A Antonaki, M Antonelli, A Antonov, J Antos, F Anulli, S Aoun, LA Bella, R Apolle, G Arabidze, I Aracena, Y Arai, ATH Arce, S Arfaoui, JF Arguin, E Arik, M Arik, AJ Armbruster, O Arnaez, V Arnal, C Arnault, A Artamonov, G Artoni

Abstract:

A search for top quark pair resonances in final states containing at least one electron or muon has been performed with the ATLAS experiment at the CERN Large Hadron Collider. The search uses a data sample corresponding to an integrated luminosity of 2.05 fb−1, which was recorded in 2011 at a proton-proton centre-of-mass energy of 7 TeV. No evidence for a resonance is found and limits are set on the production cross-section times branching ratio to tt for narrow and wide resonances. For narrow Z′ bosons, the observed 95 % Bayesian credibility level limits range from 9.3 pb to 0.95 pb for masses in the range of mZ′ = 500 GeV to mZ ′= 1300 GeV. The corresponding excluded mass region for a leptophobic topcolour Z′ boson (Kaluza-Klein gluon excitation in the Randall-Sundrum model) is mZ < 880 GeV (mgKK < 1130 GeV).

A search for ttbar resonances with the ATLAS detector in 2.05 fb^-1 of proton-proton collisions at sqrt(s) = 7 TeV

Eur. Phys. J. C 72 (2012) 7

Abstract:

A search for top quark pair resonances in final states containing at least one electron or muon has been performed with the ATLAS experiment at the CERN Large Hadron Collider. The search uses a data sample corresponding to an integrated luminosity of 2.05 fb^-1, which was recorded in 2011 at a proton-proton centre-of-mass energy of 7 TeV. No evidence for a resonance is found and limits are set on the production cross-section times branching ratio to t t for narrow and wide resonances. For narrow Z' bosons, the observed 95% credibility level limits range from 9.3 pb to 0.95 pb for masses in the range of 500 GeV to 1300 GeV. The corresponding excluded mass region for a leptophobic topcolour Z' boson (Kaluza-Klein gluon excitation in the Randall-Sundrum model) is m < 880 GeV (m < 1130 GeV).

Measurement of inclusive jet and dijet production in pp collisions at √s=7TeV using the ATLAS detector

Physical Review D - Particles, Fields, Gravitation and Cosmology 86:1 (2012)

Authors:

G Aad, B Abbott, J Abdallah, AA Abdelalim, A Abdesselam, O Abdinov, B Abi, M Abolins, H Abramowicz, H Abreu, E Acerbi, BS Acharya, DL Adams, TN Addy, J Adelman, M Aderholz, S Adomeit, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, M Ahsan, G Aielli, T Akdogan, TPA Åkesson, G Akimoto, AV Akimov, A Akiyama, A Aktas, MS Alam, MA Alam, J Albert, S Albrand, M Aleksa, IN Aleksandrov, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, M Aliyev, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, B Alvarez Gonzalez, MG Alviggi, K Amako, P Amaral, C Amelung, VV Ammosov, A Amorim, G Amorós, N Amram, C Anastopoulos, LS Ancu, N Andari, T Andeen, CF Anders, G Anders, KJ Anderson, A Andreazza, V Andrei, ML Andrieux, XS Anduaga, A Angerami, F Anghinolfi, N Anjos, A Annovi, A Antonaki, M Antonelli, A Antonov, J Antos, F Anulli, S Aoun, L Aperio Bella, R Apolle, G Arabidze, I Aracena, Y Arai, ATH Arce, JP Archambault, S Arfaoui, JF Arguin, E Arik, M Arik, AJ Armbruster, O Arnaez, C Arnault, A Artamonov

Abstract:

Inclusive jet and dijet cross sections have been measured in proton-proton collisions at a center-of-mass energy of 7 TeV using the ATLAS detector at the Large Hadron Collider. The cross sections were measured using jets clustered with the anti-kt algorithm with parameters R=0.4 and R=0.6. These measurements are based on the 2010 data sample, consisting of a total integrated luminosity of 37pb-1. Inclusive jet double-differential cross sections are presented as a function of jet transverse momentum, in bins of jet rapidity. Dijet double-differential cross sections are studied as a function of the dijet invariant mass, in bins of half the rapidity separation of the two leading jets. The measurements are performed in the jet rapidity range |y|<4.4, covering jet transverse momenta from 20 GeV to 1.5 TeV and dijet invariant masses from 70 GeV to 5 TeV. The data are compared to expectations based on next-to-leading-order QCD calculations corrected for nonperturbative effects, as well as to next-to-leading-order Monte Carlo predictions. In addition to a test of the theory in a new kinematic regime, the data also provide sensitivity to parton distribution functions in a region where they are currently not well-constrained. © 2012 CERN. Published by the American Physical Society under the terms of the http://creativecommons.org/licenses/by/ 3.0/ Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at √(s)=7TeV with the ATLAS detector

Physical Review D - Particles, Fields, Gravitation and Cosmology 86:1 (2012)

Authors:

G Aad, B Abbott, J Abdallah, AA Abdelalim, A Abdesselam, O Abdinov, B Abi, M Abolins, OS Abouzeid, H Abramowicz, H Abreu, E Acerbi, BS Acharya, L Adamczyk, DL Adams, TN Addy, J Adelman, M Aderholz, S Adomeit, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, M Ahsan, G Aielli, T Akdogan, TPA Åkesson, G Akimoto, AV Akimov, A Akiyama, MS Alam, MA Alam, J Albert, S Albrand, M Aleksa, IN Aleksandrov, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, M Aliyev, BMM Allbrooke, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, B Alvarez Gonzalez, MG Alviggi, K Amako, P Amaral, C Amelung, VV Ammosov, A Amorim, G Amorós, N Amram, C Anastopoulos, LS Ancu, N Andari, T Andeen, CF Anders, G Anders, KJ Anderson, A Andreazza, V Andrei, ML Andrieux, XS Anduaga, A Angerami, F Anghinolfi, A Anisenkov, N Anjos, A Annovi, A Antonaki, M Antonelli, A Antonov, J Antos, F Anulli, S Aoun, L Aperio Bella, R Apolle, G Arabidze, I Aracena, Y Arai, ATH Arce, S Arfaoui, JF Arguin, E Arik, M Arik, AJ Armbruster, O Arnaez

Abstract:

A search is presented for heavy-quark pair production (QQ̄) under the decay hypothesis QQ̄→W+qW-q̄ with q=d, s, b for up-type Q or q=u, c for down-type Q. The search is performed with 1.04fb-1 of integrated luminosity from pp collisions at √s=7TeV collected by the ATLAS detector at the CERN LHC. Dilepton final states are selected, requiring large missing transverse momentum and at least two jets. Mass reconstruction of heavy-quark candidates is performed by assuming that the W boson decay products are nearly collinear. The data are in agreement with standard model expectations; a heavy quark with mass less than 350 GeV is excluded at 95% confidence level. © 2012 CERN. Published by the American Physical Society under the terms of the http://creativecommons.org/licenses/by/ 3.0/ Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.