The ATLAS experiment at the CERN Large Hadron Collider: a description of the detector configuration for Run 3
Journal of Instrumentation IOP Publishing 19:05 (2024) P05063
Authors:
G Aad, B Abbott, DC Abbott, J Abdallah, K Abeling, SH Abidi, A Aboulhorma, S Abovyan, H Abramowicz, H Abreu, Y Abulaiti, AC Abusleme Hoffman, BS Acharya, C Adam Bourdarios, L Adamczyk, L Adamek, SV Addepalli, J Adelman, M Adersberger, A Adiguzel, S Adorni, T Adye, AA Affolder, Y AfikAbstract:
The ATLAS detector is installed in its experimental cavern at Point 1 of the CERN Large Hadron Collider. During Run 2 of the LHC, a luminosity of ℒ = 2 × 1034 cm-2 s-1 was routinely achieved at the start of fills, twice the design luminosity. For Run 3, accelerator improvements, notably luminosity levelling, allow sustained running at an instantaneous luminosity of ℒ = 2 × 1034 cm-2 s-1, with an average of up to 60 interactions per bunch crossing. The ATLAS detector has been upgraded to recover Run 1 single-lepton trigger thresholds while operating comfortably under Run 3 sustained pileup conditions. A fourth pixel layer 3.3 cm from the beam axis was added before Run 2 to improve vertex reconstruction and b-tagging performance. New Liquid Argon Calorimeter digital trigger electronics, with corresponding upgrades to the Trigger and Data Acquisition system, take advantage of a factor of 10 finer granularity to improve triggering on electrons, photons, taus, and hadronic signatures through increased pileup rejection. The inner muon endcap wheels were replaced by New Small Wheels with Micromegas and small-strip Thin Gap Chamber detectors, providing both precision tracking and Level-1 Muon trigger functionality. Trigger coverage of the inner barrel muon layer near one endcap region was augmented with modules integrating new thin-gap resistive plate chambers and smaller-diameter drift-tube chambers. Tile Calorimeter scintillation counters were added to improve electron energy resolution and background rejection. Upgrades to Minimum Bias Trigger Scintillators and Forward Detectors improve luminosity monitoring and enable total proton-proton cross section, diffractive physics, and heavy ion measurements. These upgrades are all compatible with operation in the much harsher environment anticipated after the High-Luminosity upgrade of the LHC and are the first steps towards preparing ATLAS for the High-Luminosity upgrade of the LHC. This paper describes the Run 3 configuration of the ATLAS detector.Performance of the ATLAS forward proton Time-of-Flight detector in Run 2
Journal of Instrumentation IOP Publishing 19:05 (2024) P05054
Authors:
G Aad, E Aakvaag, B Abbott, K Abeling, NJ Abicht, SH Abidi, A Aboulhorma, H Abramowicz, H Abreu, Y Abulaiti, BS Acharya, C Adam Bourdarios, L Adamczyk, SV Addepalli, MJ Addison, J Adelman, A Adiguzel, T Adye, AA Affolder, Y Afik, MN Agaras, J Agarwala, A Aggarwal, C AgheorghieseiAbstract:
We present performance studies of the Time-of-Flight (ToF) subdetector of the ATLAS Forward Proton (AFP) detector at the LHC. Efficiencies and resolutions are measured using high-statistics data samples collected at low and moderate pile-up in 2017, the first year when the detectors were installed on both sides of the interaction region. While low efficiencies are observed, of the order of a few percent, the resolutions of the two ToF detectors measured individually are 21 ps and 28 ps, yielding an expected resolution of the longitudinal position of the interaction, z vtx, in the central ATLAS detector of 5.3 ± 0.6 mm. This is in agreement with the observed width of the distribution of the difference between z vtx, measured independently by the central ATLAS tracker and by the ToF detector, of 6.0 ± 2.0 mm.Improving topological cluster reconstruction using calorimeter cell timing in ATLAS
European Physical Journal C Springer Nature 84:5 (2024) 455
Azimuthal Angle Correlations of Muons Produced via Heavy-Flavor Decays in 5.02 TeV Pb+Pb and pp Collisions with the ATLAS Detector.
Physical review letters 132:20 (2024) 202301
Authors:
G Aad, B Abbott, K Abeling, NJ Abicht, SH Abidi, A Aboulhorma, H Abramowicz, H Abreu, Y Abulaiti, BS Acharya, C Adam Bourdarios, L Adamczyk, SV Addepalli, MJ Addison, J Adelman, A Adiguzel, T Adye, AA Affolder, Y Afik, MN Agaras, J Agarwala, A Aggarwal, C Agheorghiesei, A Ahmad, F Ahmadov, WS Ahmed, S Ahuja, X Ai, G Aielli, A Aikot, M Ait Tamlihat, B Aitbenchikh, I Aizenberg, M Akbiyik, TPA Åkesson, AV Akimov, D Akiyama, NN Akolkar, S Aktas, K Al Khoury, GL Alberghi, J Albert, P Albicocco, GL Albouy, S Alderweireldt, ZL Alegria, M Aleksa, IN Aleksandrov, C Alexa, T Alexopoulos, F Alfonsi, M Algren, M Alhroob, B Ali, HMJ Ali, S Ali, SW Alibocus, M Aliev, G Alimonti, W Alkakhi, C Allaire, BMM Allbrooke, JF Allen, CA Allendes Flores, PP Allport, A Aloisio, F Alonso, C Alpigiani, M Alvarez Estevez, A Alvarez Fernandez, M Alves Cardoso, MG Alviggi, M Aly, Y Amaral Coutinho, A Ambler, C Amelung, M Amerl, CG Ames, D Amidei, SP Amor Dos Santos, KR Amos, V Ananiev, C Anastopoulos, T Andeen, JK Anders, SY Andrean, A Andreazza, S Angelidakis, A Angerami, AV Anisenkov, A Annovi, C Antel, MT Anthony, E Antipov, M Antonelli, F Anulli, M Aoki, T Aoki, JA Aparisi Pozo, MA Aparo, L Aperio Bella, C Appelt, A Apyan, N Aranzabal, SJ Arbiol Val, C Arcangeletti, ATH Arce, E Arena, J-F Arguin, S Argyropoulos, J-H Arling, O Arnaez, H Arnold, G Artoni, H Asada, K Asai, S Asai, NA Asbah, K Assamagan, R Astalos, S Atashi, RJ Atkin, M Atkinson, H Atmani, PA Atmasiddha, K Augsten, S Auricchio, AD Auriol, VA Austrup, G Avolio, K Axiotis, G Azuelos, D Babal, H Bachacou, K Bachas, A Bachiu, F Backman, A Badea, TM Baer, P Bagnaia, M Bahmani, D Bahner, AJ Bailey, VR Bailey, JT Baines, L Baines, OK Baker, E Bakos, D Bakshi Gupta, V Balakrishnan, R Balasubramanian, EM Baldin, P Balek, E Ballabene, F Balli, LM Baltes, WK Balunas, J Balz, E Banas, M Bandieramonte, A Bandyopadhyay, S Bansal, L Barak, M Barakat, EL Barberio, D Barberis, M Barbero, MZ Barel, KN Barends, T Barillari, M-S Barisits, T Barklow, P Baron, DA Baron Moreno, A Baroncelli, G Barone, AJ Barr, JD Barr, L Barranco Navarro, F Barreiro, J Barreiro Guimarães da Costa, U Barron, MG Barros Teixeira, S Barsov, F Bartels, R Bartoldus, AE Barton, P Bartos, A Basan, M Baselga, A Bassalat, MJ Basso, CR Basson, RL Bates, S Batlamous, JR Batley, B Batool, M Battaglia, D Battulga, M Bauce, M Bauer, P Bauer, LT Bazzano Hurrell, JB Beacham, T Beau, JY Beaucamp, PH Beauchemin, F Becherer, P Bechtle, HP Beck, K Becker, AJ Beddall, VA Bednyakov, CP Bee, LJ Beemster, TA Beermann, M Begalli, M Begel, A Behera, JK Behr, JF Beirer, F Beisiegel, M Belfkir, G Bella, L Bellagamba, A Bellerive, P Bellos, K Beloborodov, D Benchekroun, F Bendebba, Y Benhammou, M Benoit, JR Bensinger, S Bentvelsen, L Beresford, M Beretta, E Bergeaas Kuutmann, N Berger, B Bergmann, J Beringer, G Bernardi, C Bernius, FU Bernlochner, F Bernon, A Berrocal Guardia, T Berry, P Berta, A Berthold, IA Bertram, S Bethke, A Betti, AJ Bevan, NK Bhalla, M Bhamjee, S Bhatta, DS Bhattacharya, P Bhattarai, VS Bhopatkar, R Bi, RM Bianchi, G Bianco, O Biebel, R Bielski, M Biglietti, M Bindi, A Bingul, C Bini, A Biondini, CJ Birch-Sykes, GA Bird, M Birman, M Biros, S Biryukov, T Bisanz, E Bisceglie, JP Biswal, D Biswas, A Bitadze, K Bjørke, I Bloch, A Blue, U Blumenschein, J Blumenthal, GJ Bobbink, VS Bobrovnikov, M Boehler, B Boehm, D Bogavac, AG Bogdanchikov, C Bohm, V Boisvert, P Bokan, T Bold, M Bomben, M Bona, M Boonekamp, CD Booth, AG Borbély, IS Bordulev, HM Borecka-Bielska, G Borissov, D Bortoletto, D Boscherini, M Bosman, JD Bossio Sola, K Bouaouda, N Bouchhar, J Boudreau, EV Bouhova-Thacker, D Boumediene, R Bouquet, A Boveia, J Boyd, D Boye, IR Boyko, J Bracinik, N Brahimi, G Brandt, O Brandt, F Braren, B Brau, JE Brau, R Brener, L Brenner, R Brenner, S Bressler, D Britton, D Britzger, I Brock, G Brooijmans, WK Brooks, E Brost, LM Brown, LE Bruce, TL Bruckler, PA Bruckman de Renstrom, B Brüers, A Bruni, G Bruni, M Bruschi, N Bruscino, T Buanes, Q Buat, D Buchin, AG Buckley, O Bulekov, BA Bullard, S Burdin, CD Burgard, AM Burger, B Burghgrave, O Burlayenko, JTP Burr, CD Burton, JC Burzynski, EL Busch, V Büscher, PJ Bussey, JM Butler, CM Buttar, JM Butterworth, W Buttinger, CJ Buxo Vazquez, AR Buzykaev, S Cabrera Urbán, L Cadamuro, D Caforio, H Cai, Y Cai, Y Cai, VMM Cairo, O Cakir, N Calace, P Calafiura, G Calderini, P Calfayan, G Callea, LP Caloba, D Calvet, S Calvet, TP Calvet, M Calvetti, R Camacho Toro, S Camarda, D Camarero Munoz, P Camarri, MT Camerlingo, D Cameron, C Camincher, M Campanelli, A Camplani, V Canale, A Canesse, J Cantero, Y Cao, F Capocasa, M Capua, A Carbone, R Cardarelli, JCJ Cardenas, F Cardillo, G Carducci, T Carli, G Carlino, JI Carlotto, BT Carlson, EM Carlson, L Carminati, A Carnelli, M Carnesale, S Caron, E Carquin, S Carrá, G Carratta, F Carrio Argos, JWS Carter, TM Carter, MP Casado, M Caspar, FL Castillo, L Castillo Garcia, V Castillo Gimenez, NF Castro, A Catinaccio, JR Catmore, V Cavaliere, N Cavalli, V Cavasinni, YC Cekmecelioglu, E Celebi, F Celli, MS Centonze, V Cepaitis, K Cerny, AS Cerqueira, A Cerri, L Cerrito, F Cerutti, B Cervato, A Cervelli, G Cesarini, SA Cetin, D Chakraborty, J Chan, WY Chan, JD Chapman, E Chapon, B Chargeishvili, DG Charlton, TP Charman, M Chatterjee, C Chauhan, S Chekanov, SV Chekulaev, GA Chelkov, A Chen, B Chen, B Chen, H Chen, H Chen, J Chen, J Chen, M Chen, S Chen, SJ Chen, X Chen, X Chen, Y Chen, CL Cheng, HC Cheng, S Cheong, A Cheplakov, E Cheremushkina, E Cherepanova, R Cherkaoui El Moursli, E Cheu, K Cheung, L Chevalier, V Chiarella, G Chiarelli, N Chiedde, G Chiodini, AS Chisholm, A Chitan, M Chitishvili, MV Chizhov, K Choi, AR Chomont, Y Chou, EYS Chow, T Chowdhury, KL Chu, MC Chu, X Chu, J Chudoba, JJ Chwastowski, D Cieri, KM Ciesla, V Cindro, A Ciocio, F Cirotto, ZH Citron, M Citterio, DA Ciubotaru, A Clark, PJ Clark, C Clarry, JM Clavijo Columbie, SE Clawson, C Clement, J Clercx, Y Coadou, M Cobal, A Coccaro, RF Coelho Barrue, R Coelho Lopes De Sa, S Coelli, AEC Coimbra, B Cole, J Collot, P Conde Muiño, MP Connell, SH Connell, IA Connelly, EI Conroy, F Conventi, HG Cooke, AM Cooper-Sarkar, A Cordeiro Oudot Choi, LD Corpe, M Corradi, F Corriveau, A Cortes-Gonzalez, MJ Costa, F Costanza, D Costanzo, BM Cote, G Cowan, K Cranmer, D Cremonini, S Crépé-Renaudin, F Crescioli, M Cristinziani, M Cristoforetti, V Croft, JE Crosby, G Crosetti, A Cueto, T Cuhadar Donszelmann, H Cui, Z Cui, WR Cunningham, F Curcio, P Czodrowski, MM Czurylo, MJ Da Cunha Sargedas De Sousa, JV Da Fonseca Pinto, C Da Via, W Dabrowski, T Dado, S Dahbi, T Dai, D Dal Santo, C Dallapiccola, M Dam, G D'amen, V D'Amico, J Damp, JR Dandoy, MF Daneri, M Danninger, V Dao, G Darbo, S Darmora, SJ Das, S D'Auria, C David, T Davidek, B Davis-Purcell, I Dawson, HA Day-Hall, K De, R De Asmundis, N De Biase, S De Castro, N De Groot, P de Jong, H De la Torre, A De Maria, A De Salvo, U De Sanctis, F De Santis, A De Santo, JB De Vivie De Regie, DV Dedovich, J Degens, AM Deiana, F Del Corso, J Del Peso, F Del Rio, L Delagrange, F Deliot, CM Delitzsch, M Della Pietra, D Della Volpe, A Dell'Acqua, L Dell'Asta, M Delmastro, PA Delsart, S Demers, M Demichev, SP Denisov, L D'Eramo, D Derendarz, F Derue, P Dervan, K Desch, C Deutsch, FA Di Bello, A Di Ciaccio, L Di Ciaccio, A Di Domenico, C Di Donato, A Di Girolamo, G Di Gregorio, A Di Luca, B Di Micco, R Di Nardo, C Diaconu, M Diamantopoulou, FA Dias, T Dias Do Vale, MA Diaz, FG Diaz Capriles, M Didenko, EB Diehl, L Diehl, S Díez Cornell, C Diez Pardos, C Dimitriadi, A Dimitrievska, J Dingfelder, I-M Dinu, SJ Dittmeier, F Dittus, F Djama, T Djobava, JI Djuvsland, C Doglioni, A Dohnalova, J Dolejsi, Z Dolezal, KM Dona, M Donadelli, B Dong, J Donini, A D'Onofrio, M D'Onofrio, J Dopke, A Doria, N Dos Santos Fernandes, P Dougan, MT Dova, AT Doyle, MA Draguet, E Dreyer, I Drivas-Koulouris, M Drnevich, AS Drobac, M Drozdova, D Du, TA du Pree, F Dubinin, M Dubovsky, E Duchovni, G Duckeck, OA Ducu, D Duda, A Dudarev, ER Duden, M D'uffizi, L Duflot, M Dührssen, C Dülsen, AE Dumitriu, M Dunford, S Dungs, K Dunne, A Duperrin, H Duran Yildiz, M Düren, A Durglishvili, BL Dwyer, GI Dyckes, M Dyndal, BS Dziedzic, ZO Earnshaw, GH Eberwein, B Eckerova, S Eggebrecht, E Egidio Purcino De Souza, LF Ehrke, G Eigen, K Einsweiler, T Ekelof, PA Ekman, S El Farkh, Y El Ghazali, H El Jarrari, A El Moussaouy, V Ellajosyula, M Ellert, F Ellinghaus, N Ellis, J Elmsheuser, M Elsing, D Emeliyanov, Y Enari, I Ene, S Epari, J Erdmann, PA Erland, M Errenst, M Escalier, C Escobar, E Etzion, G Evans, H Evans, LS Evans, MO Evans, A Ezhilov, S Ezzarqtouni, F Fabbri, L Fabbri, G Facini, V Fadeyev, RM Fakhrutdinov, S Falciano, LF Falda Ulhoa Coelho, PJ Falke, J Faltova, C Fan, Y Fan, Y Fang, M Fanti, M Faraj, Z Farazpay, A Farbin, A Farilla, T Farooque, SM Farrington, F Fassi, D Fassouliotis, M Faucci Giannelli, WJ Fawcett, L Fayard, P Federic, P Federicova, OL Fedin, G Fedotov, M Feickert, L Feligioni, DE Fellers, C Feng, M Feng, Z Feng, MJ Fenton, AB Fenyuk, L Ferencz, RAM Ferguson, SI Fernandez Luengo, P Fernandez Martinez, MJV Fernoux, J Ferrando, A Ferrari, P Ferrari, R Ferrari, D Ferrere, C Ferretti, F Fiedler, P Fiedler, A Filipčič, EK Filmer, F Filthaut, MCN Fiolhais, L Fiorini, WC Fisher, T Fitschen, PM Fitzhugh, I Fleck, P Fleischmann, T Flick, M Flores, LR Flores Castillo, L Flores Sanz De Acedo, FM Follega, N Fomin, JH Foo, BC Forland, A Formica, AC Forti, E Fortin, AW Fortman, MG Foti, L Fountas, D Fournier, H Fox, P Francavilla, S Francescato, S Franchellucci, M Franchini, S Franchino, D Francis, L Franco, V Franco Lima, L Franconi, M Franklin, G Frattari, AC Freegard, WS Freund, YY Frid, J Friend, N Fritzsche, A Froch, D Froidevaux, JA Frost, Y Fu, S Fuenzalida Garrido, M Fujimoto, KY Fung, E Furtado De Simas Filho, M Furukawa, J Fuster, A Gabrielli, A Gabrielli, P Gadow, G Gagliardi, LG Gagnon, EJ Gallas, BJ Gallop, KK Gan, S Ganguly, Y Gao, FM Garay Walls, B Garcia, C García, A Garcia Alonso, AG Garcia Caffaro, JE García Navarro, M Garcia-Sciveres, GL Gardner, RW Gardner, N Garelli, D Garg, RB Garg, JM Gargan, CA Garner, CM Garvey, P Gaspar, VK Gassmann, G Gaudio, V Gautam, P Gauzzi, IL Gavrilenko, A Gavrilyuk, C Gay, G Gaycken, EN Gazis, AA Geanta, CM Gee, A Gekow, C Gemme, MH Genest, S Gentile, AD Gentry, S George, WF George, T Geralis, P Gessinger-Befurt, ME Geyik, M Ghani, M Ghneimat, K Ghorbanian, A Ghosal, A Ghosh, A Ghosh, B Giacobbe, S Giagu, T Giani, P Giannetti, A Giannini, SM Gibson, M Gignac, DT Gil, AK Gilbert, BJ Gilbert, D Gillberg, G Gilles, NEK Gillwald, L Ginabat, DM Gingrich, MP Giordani, PF Giraud, G Giugliarelli, D Giugni, F Giuli, I Gkialas, LK Gladilin, C Glasman, GR Gledhill, G Glemža, M Glisic, I Gnesi, Y Go, M Goblirsch-Kolb, B Gocke, D Godin, B Gokturk, S Goldfarb, T Golling, MGD Gololo, D Golubkov, JP Gombas, A Gomes, G Gomes Da Silva, AJ Gomez Delegido, R Gonçalo, G Gonella, L Gonella, A Gongadze, F Gonnella, JL Gonski, RY González Andana, S González de la Hoz, S Gonzalez Fernandez, R Gonzalez Lopez, C Gonzalez Renteria, MV Gonzalez Rodrigues, R Gonzalez Suarez, S Gonzalez-Sevilla, GR Gonzalvo Rodriguez, L Goossens, B Gorini, E Gorini, A Gorišek, TC Gosart, AT Goshaw, MI Gostkin, S Goswami, CA Gottardo, SA Gotz, M Gouighri, V Goumarre, AG Goussiou, N Govender, I Grabowska-Bold, K Graham, E Gramstad, S Grancagnolo, M Grandi, CM Grant, PM Gravila, FG Gravili, HM Gray, M Greco, C Grefe, IM Gregor, P Grenier, SG Grewe, C Grieco, AA Grillo, K Grimm, S Grinstein, J-F Grivaz, E Gross, J Grosse-Knetter, C Grud, JC Grundy, L Guan, W Guan, C Gubbels, JGR Guerrero Rojas, G Guerrieri, F Guescini, R Gugel, JAM Guhit, A Guida, E Guilloton, S Guindon, F Guo, J Guo, L Guo, Y Guo, R Gupta, R Gupta, S Gurbuz, SS Gurdasani, G Gustavino, M Guth, P Gutierrez, LF Gutierrez Zagazeta, M Gutsche, C Gutschow, C Gwenlan, CB Gwilliam, ES Haaland, A Haas, M Habedank, C Haber, HK Hadavand, A Hadef, S Hadzic, AI Hagan, JJ Hahn, EH Haines, M Haleem, J Haley, JJ Hall, GD Hallewell, L Halser, K Hamano, M Hamer, GN Hamity, EJ Hampshire, J Han, K Han, L Han, L Han, S Han, YF Han, K Hanagaki, M Hance, DA Hangal, H Hanif, MD Hank, R Hankache, JB Hansen, JD Hansen, PH Hansen, K Hara, D Harada, T Harenberg, S Harkusha, ML Harris, YT Harris, J Harrison, NM Harrison, PF Harrison, NM Hartman, NM Hartmann, Y Hasegawa, R Hauser, CM Hawkes, RJ Hawkings, Y Hayashi, S Hayashida, D Hayden, C Hayes, RL Hayes, CP Hays, JM Hays, HS Hayward, F He, M He, Y He, Y He, NB Heatley, V Hedberg, AL Heggelund, ND Hehir, C Heidegger, KK Heidegger, WD Heidorn, J Heilman, S Heim, T Heim, JG Heinlein, JJ Heinrich, L Heinrich, J Hejbal, L Helary, A Held, S Hellesund, CM Helling, S Hellman, RCW Henderson, L Henkelmann, AM Henriques Correia, H Herde, Y Hernández Jiménez, LM Herrmann, T Herrmann, G Herten, R Hertenberger, L Hervas, ME Hesping, NP Hessey, H Hibi, E Hill, SJ Hillier, JR Hinds, F Hinterkeuser, M Hirose, S Hirose, D Hirschbuehl, TG Hitchings, B Hiti, J Hobbs, R Hobincu, N Hod, MC Hodgkinson, BH Hodkinson, A Hoecker, DD Hofer, J Hofer, T Holm, M Holzbock, LBAH Hommels, BP Honan, J Hong, TM Hong, BH Hooberman, WH Hopkins, Y Horii, S Hou, AS Howard, J Howarth, J Hoya, M Hrabovsky, A Hrynevich, T Hryn'ova, PJ Hsu, S-C Hsu, Q Hu, YF Hu, S Huang, X Huang, X Huang, Y Huang, Y Huang, Z Huang, Z Hubacek, M Huebner, F Huegging, TB Huffman, CA Hugli, M Huhtinen, SK Huiberts, R Hulsken, N Huseynov, J Huston, J Huth, R Hyneman, G Iacobucci, G Iakovidis, I Ibragimov, L Iconomidou-Fayard, P Iengo, R Iguchi, T Iizawa, Y Ikegami, N Ilic, H Imam, M Ince Lezki, T Ingebretsen Carlson, G Introzzi, M Iodice, V Ippolito, RK Irwin, M Ishino, W Islam, C Issever, S Istin, H Ito, JM Iturbe Ponce, R Iuppa, A Ivina, JM Izen, V Izzo, P Jacka, P Jackson, RM Jacobs, BP Jaeger, CS Jagfeld, G Jain, P Jain, K Jakobs, T Jakoubek, J Jamieson, KW Janas, M Javurkova, F Jeanneau, L Jeanty, J Jejelava, P Jenni, CE Jessiman, S Jézéquel, C Jia, J Jia, X Jia, X Jia, Z Jia, S Jiggins, J Jimenez Pena, S Jin, A Jinaru, O Jinnouchi, P Johansson, KA Johns, JW Johnson, DM Jones, E Jones, P Jones, RWL Jones, TJ Jones, HL Joos, R Joshi, J Jovicevic, X Ju, JJ Junggeburth, T Junkermann, A Juste Rozas, MK Juzek, S Kabana, A Kaczmarska, M Kado, H Kagan, M Kagan, A Kahn, A Kahn, C Kahra, T Kaji, E Kajomovitz, N Kakati, I Kalaitzidou, CW Kalderon, A Kamenshchikov, NJ Kang, D Kar, K Karava, MJ Kareem, E Karentzos, I Karkanias, O Karkout, SN Karpov, ZM Karpova, V Kartvelishvili, AN Karyukhin, E Kasimi, J Katzy, S Kaur, K Kawade, MP Kawale, C Kawamoto, T Kawamoto, EF Kay, FI Kaya, S Kazakos, VF Kazanin, Y Ke, JM Keaveney, R Keeler, GV Kehris, JS Keller, AS Kelly, JJ Kempster, KE Kennedy, PD Kennedy, O Kepka, BP Kerridge, S Kersten, BP Kerševan, S Keshri, L Keszeghova, S Ketabchi Haghighat, RA Khan, M Khandoga, A Khanov, AG Kharlamov, T Kharlamova, EE Khoda, M Kholodenko, TJ Khoo, G Khoriauli, J Khubua, YAR Khwaira, A Kilgallon, DW Kim, YK Kim, N Kimura, MK Kingston, A Kirchhoff, C Kirfel, F Kirfel, J Kirk, AE Kiryunin, C Kitsaki, O Kivernyk, M Klassen, C Klein, L Klein, MH Klein, M Klein, SB Klein, U Klein, P Klimek, A Klimentov, T Klioutchnikova, P Kluit, S Kluth, E Kneringer, TM Knight, A Knue, R Kobayashi, D Kobylianskii, SF Koch, M Kocian, P Kodyš, DM Koeck, PT Koenig, T Koffas, O Kolay, I Koletsou, T Komarek, K Köneke, AXY Kong, T Kono, N Konstantinidis, P Kontaxakis, B Konya, R Kopeliansky, S Koperny, K Korcyl, K Kordas, G Koren, A Korn, S Korn, I Korolkov, N Korotkova, B Kortman, O Kortner, S Kortner, WH Kostecka, VV Kostyukhin, A Kotsokechagia, A Kotwal, A Koulouris, A Kourkoumeli-Charalampidi, C Kourkoumelis, E Kourlitis, O Kovanda, R Kowalewski, W Kozanecki, AS Kozhin, VA Kramarenko, G Kramberger, P Kramer, MW Krasny, A Krasznahorkay, JW Kraus, LM Krauth, JA Kremer, T Kresse, J Kretzschmar, K Kreul, P Krieger, S Krishnamurthy, M Krivos, K Krizka, K Kroeninger, H Kroha, J Kroll, J Kroll, KS Krowpman, U Kruchonak, H Krüger, N Krumnack, MC Kruse, O Kuchinskaia, S Kuday, S Kuehn, R Kuesters, T Kuhl, V Kukhtin, Y Kulchitsky, S Kuleshov, M Kumar, N Kumari, A Kupco, T Kupfer, A Kupich, O Kuprash, H Kurashige, LL Kurchaninov, O Kurdysh, YA Kurochkin, A Kurova, M Kuze, AK Kvam, J Kvita, T Kwan, NG Kyriacou, LAO Laatu, C Lacasta, F Lacava, H Lacker, D Lacour, NN Lad, E Ladygin, B Laforge, T Lagouri, FZ Lahbabi, S Lai, IK Lakomiec, N Lalloue, JE Lambert, S Lammers, W Lampl, C Lampoudis, AN Lancaster, E Lançon, U Landgraf, MPJ Landon, VS Lang, RJ Langenberg, OKB Langrekken, AJ Lankford, F Lanni, K Lantzsch, A Lanza, A Lapertosa, JF Laporte, T Lari, F Lasagni Manghi, M Lassnig, V Latonova, A Laudrain, A Laurier, SD Lawlor, Z Lawrence, R Lazaridou, M Lazzaroni, B Le, EM Le Boulicaut, B Leban, A Lebedev, M LeBlanc, F Ledroit-Guillon, ACA Lee, SC Lee, S Lee, TF Lee, LL Leeuw, HP Lefebvre, M Lefebvre, C Leggett, G Lehmann Miotto, M Leigh, WA Leight, W Leinonen, A Leisos, MAL Leite, CE Leitgeb, R Leitner, KJC Leney, T Lenz, S Leone, C Leonidopoulos, A Leopold, C Leroy, R Les, CG Lester, M Levchenko, J Levêque, D Levin, LJ Levinson, MP Lewicki, DJ Lewis, A Li, B Li, C Li, C-Q Li, H Li, H Li, H Li, H Li, H Li, J Li, K Li, L Li, M Li, QY Li, S Li, S Li, T Li, X Li, Z Li, Z Li, Z Li, Z Li, S Liang, Z Liang, M Liberatore, B Liberti, K Lie, J Lieber Marin, H Lien, K Lin, RE Lindley, JH Lindon, E Lipeles, A Lipniacka, A Lister, JD Little, B Liu, BX Liu, D Liu, JB Liu, JKK Liu, K Liu, M Liu, MY Liu, P Liu, Q Liu, X Liu, Y Liu, YL Liu, YW Liu, J Llorente Merino, SL Lloyd, EM Lobodzinska, P Loch, T Lohse, K Lohwasser, E Loiacono, M Lokajicek, JD Lomas, JD Long, I Longarini, L Longo, R Longo, I Lopez Paz, A Lopez Solis, N Lorenzo Martinez, AM Lory, G Löschcke Centeno, O Loseva, X Lou, X Lou, A Lounis, J Love, PA Love, G Lu, M Lu, S Lu, YJ Lu, HJ Lubatti, C Luci, FL Lucio Alves, A Lucotte, F Luehring, I Luise, O Lukianchuk, O Lundberg, B Lund-Jensen, NA Luongo, MS Lutz, AB Lux, D Lynn, H Lyons, R Lysak, E Lytken, V Lyubushkin, T Lyubushkina, MM Lyukova, H Ma, K Ma, LL Ma, W Ma, Y Ma, DM Mac Donell, G Maccarrone, JC MacDonald, PC Machado De Abreu Farias, R Madar, WF Mader, T Madula, J Maeda, T Maeno, H Maguire, V Maiboroda, A Maio, K Maj, O Majersky, S Majewski, N Makovec, V Maksimovic, B Malaescu, Pa Malecki, VP Maleev, F Malek, M Mali, D Malito, U Mallik, S Maltezos, S Malyukov, J Mamuzic, G Mancini, G Manco, JP Mandalia, I Mandić, L Manhaes de Andrade Filho, IM Maniatis, J Manjarres Ramos, DC Mankad, A Mann, B Mansoulie, S Manzoni, L Mao, X Mapekula, A Marantis, G Marchiori, M Marcisovsky, C Marcon, M Marinescu, S Marium, M Marjanovic, EJ Marshall, Z Marshall, S Marti-Garcia, TA Martin, VJ Martin, B Martin Dit Latour, L Martinelli, M Martinez, P Martinez Agullo, VI Martinez Outschoorn, P Martinez Suarez, S Martin-Haugh, VS Martoiu, AC Martyniuk, A Marzin, D Mascione, L Masetti, T Mashimo, J Masik, AL Maslennikov, L Massa, P Massarotti, P Mastrandrea, A Mastroberardino, T Masubuchi, T Mathisen, J Matousek, N Matsuzawa, J Maurer, B Maček, DA Maximov, R Mazini, I Maznas, M Mazza, SM Mazza, E Mazzeo, C Mc Ginn, JP Mc Gowan, SP Mc Kee, EF McDonald, AE McDougall, JA Mcfayden, RP McGovern, G Mchedlidze, RP Mckenzie, TC Mclachlan, DJ Mclaughlin, SJ McMahon, CM Mcpartland, RA McPherson, S Mehlhase, A Mehta, D Melini, BR Mellado Garcia, AH Melo, F Meloni, AM Mendes Jacques Da Costa, HY Meng, L Meng, S Menke, M Mentink, E Meoni, G Mercado, C Merlassino, L Merola, C Meroni, G Merz, J Metcalfe, AS Mete, C Meyer, J-P Meyer, RP Middleton, L Mijović, G Mikenberg, M Mikestikova, M Mikuž, H Mildner, A Milic, CD Milke, DW Miller, LS Miller, A Milov, DA Milstead, T Min, AA Minaenko, IA Minashvili, L Mince, AI Mincer, B Mindur, M Mineev, Y Mino, LM Mir, M Miralles Lopez, M Mironova, A Mishima, MC Missio, A Mitra, VA Mitsou, Y Mitsumori, O Miu, PS Miyagawa, T Mkrtchyan, M Mlinarevic, T Mlinarevic, M Mlynarikova, S Mobius, P Moder, P Mogg, MH Mohamed Farook, AF Mohammed, S Mohapatra, G Mokgatitswane, L Moleri, B Mondal, S Mondal, K Mönig, E Monnier, L Monsonis Romero, J Montejo Berlingen, M Montella, F Montereali, F Monticelli, S Monzani, N Morange, AL Moreira De Carvalho, M Moreno Llácer, C Moreno Martinez, P Morettini, S Morgenstern, M Morii, M Morinaga, AK Morley, F Morodei, L Morvaj, P Moschovakos, B Moser, M Mosidze, T Moskalets, P Moskvitina, J Moss, EJW Moyse, O Mtintsilana, S Muanza, J Mueller, D Muenstermann, R Müller, GA Mullier, AJ Mullin, JJ Mullin, DP Mungo, D Munoz Perez, FJ Munoz Sanchez, M Murin, WJ Murray, A Murrone, M Muškinja, C Mwewa, AG Myagkov, AJ Myers, G Myers, M Myska, BP Nachman, O Nackenhorst, A Nag, K Nagai, K Nagano, JL Nagle, E Nagy, AM Nairz, Y Nakahama, K Nakamura, K Nakkalil, H Nanjo, R Narayan, EA Narayanan, I Naryshkin, M Naseri, S Nasri, C Nass, G Navarro, J Navarro-Gonzalez, R Nayak, A Nayaz, PY Nechaeva, F Nechansky, L Nedic, TJ Neep, A Negri, M Negrini, C Nellist, C Nelson, K Nelson, S Nemecek, M Nessi, MS Neubauer, F Neuhaus, J Neundorf, R Newhouse, PR Newman, CW Ng, YWY Ng, B Ngair, HDN Nguyen, RB Nickerson, R Nicolaidou, J Nielsen, M Niemeyer, J Niermann, N Nikiforou, V Nikolaenko, I Nikolic-Audit, K Nikolopoulos, P Nilsson, I Ninca, HR Nindhito, G Ninio, A Nisati, N Nishu, R Nisius, J-E Nitschke, EK Nkadimeng, T Nobe, DL Noel, T Nommensen, MB Norfolk, RRB Norisam, BJ Norman, M Noury, J Novak, T Novak, L Novotny, R Novotny, L Nozka, K Ntekas, NMJ Nunes De Moura Junior, E Nurse, J Ocariz, A Ochi, I Ochoa, S Oerdek, JT Offermann, A Ogrodnik, A Oh, CC Ohm, H Oide, R Oishi, ML Ojeda, MW O'Keefe, Y Okumura, LF Oleiro Seabra, SA Olivares Pino, D Oliveira Damazio, D Oliveira Goncalves, JL Oliver, ÖO Öncel, AP O'Neill, A Onofre, PUE Onyisi, MJ Oreglia, GE Orellana, D Orestano, N Orlando, RS Orr, V O'Shea, LM Osojnak, R Ospanov, G Otero Y Garzon, H Otono, PS Ott, GJ Ottino, M Ouchrif, J Ouellette, F Ould-Saada, M Owen, RE Owen, KY Oyulmaz, VE Ozcan, F Ozturk, N Ozturk, S Ozturk, HA Pacey, A Pacheco Pages, C Padilla Aranda, G Padovano, S Pagan Griso, G Palacino, A Palazzo, S Palestini, J Pan, T Pan, DK Panchal, CE Pandini, JG Panduro Vazquez, HD Pandya, H Pang, P Pani, G Panizzo, L Paolozzi, C Papadatos, S Parajuli, A Paramonov, C Paraskevopoulos, D Paredes Hernandez, KR Park, TH Park, MA Parker, F Parodi, EW Parrish, VA Parrish, JA Parsons, U Parzefall, B Pascual Dias, L Pascual Dominguez, E Pasqualucci, S Passaggio, F Pastore, P Pasuwan, P Patel, UM Patel, JR Pater, T Pauly, J Pearkes, M Pedersen, R Pedro, SV Peleganchuk, O Penc, EA Pender, KE Penski, M Penzin, BS Peralva, AP Pereira Peixoto, L Pereira Sanchez, DV Perepelitsa, E Perez Codina, M Perganti, L Perini, H Pernegger, O Perrin, K Peters, RFY Peters, BA Petersen, TC Petersen, E Petit, V Petousis, C Petridou, A Petrukhin, M Pettee, NE Pettersson, A Petukhov, K Petukhova, R Pezoa, L Pezzotti, G Pezzullo, TM Pham, T Pham, PW Phillips, G Piacquadio, E Pianori, F Piazza, R Piegaia, D Pietreanu, AD Pilkington, M Pinamonti, JL Pinfold, BC Pinheiro Pereira, AE Pinto Pinoargote, L Pintucci, KM Piper, A Pirttikoski, DA Pizzi, L Pizzimento, A Pizzini, M-A Pleier, V Plesanovs, V Pleskot, E Plotnikova, G Poddar, R Poettgen, L Poggioli, I Pokharel, S Polacek, G Polesello, A Poley, R Polifka, A Polini, CS Pollard, ZB Pollock, V Polychronakos, E Pompa Pacchi, D Ponomarenko, L Pontecorvo, S Popa, GA Popeneciu, A Poreba, DM Portillo Quintero, S Pospisil, MA Postill, P Postolache, K Potamianos, PA Potepa, IN Potrap, CJ Potter, H Potti, T Poulsen, J Poveda, ME Pozo Astigarraga, A Prades Ibanez, J Pretel, D Price, M Primavera, MA Principe Martin, R Privara, T Procter, ML Proffitt, N Proklova, K Prokofiev, G Proto, S Protopopescu, J Proudfoot, M Przybycien, WW Przygoda, JE Puddefoot, D Pudzha, D Pyatiizbyantseva, J Qian, D Qichen, Y Qin, T Qiu, A Quadt, M Queitsch-Maitland, G Quetant, RP Quinn, G Rabanal Bolanos, D Rafanoharana, F Ragusa, JL Rainbolt, JA Raine, S Rajagopalan, E Ramakoti, IA Ramirez-Berend, K Ran, NP Rapheeha, H Rasheed, V Raskina, DF Rassloff, S Rave, B Ravina, I Ravinovich, M Raymond, AL Read, NP Readioff, DM Rebuzzi, G Redlinger, AS Reed, K Reeves, JA Reidelsturz, D Reikher, A Rej, C Rembser, A Renardi, M Renda, MB Rendel, F Renner, AG Rennie, AL Rescia, S Resconi, M Ressegotti, S Rettie, JG Reyes Rivera, E Reynolds, OL Rezanova, P Reznicek, N Ribaric, E Ricci, R Richter, S Richter, E Richter-Was, M Ridel, S Ridouani, P Rieck, P Riedler, EM Riefel, JO Rieger, M Rijssenbeek, A Rimoldi, M Rimoldi, L Rinaldi, TT Rinn, MP Rinnagel, G Ripellino, I Riu, P Rivadeneira, JC Rivera Vergara, F Rizatdinova, E Rizvi, BA Roberts, BR Roberts, SH Robertson, D Robinson, CM Robles Gajardo, M Robles Manzano, A Robson, A Rocchi, C Roda, S Rodriguez Bosca, Y Rodriguez Garcia, A Rodriguez Rodriguez, AM Rodríguez Vera, S Roe, JT Roemer, AR Roepe-Gier, J Roggel, O Røhne, RA Rojas, CPA Roland, J Roloff, A Romaniouk, E Romano, M Romano, AC Romero Hernandez, N Rompotis, L Roos, S Rosati, BJ Rosser, E Rossi, E Rossi, LP Rossi, L Rossini, R Rosten, M Rotaru, B Rottler, C Rougier, D Rousseau, D Rousso, A Roy, S Roy-Garand, A Rozanov, ZMA Rozario, Y Rozen, X Ruan, A Rubio Jimenez, AJ Ruby, VH Ruelas Rivera, TA Ruggeri, A Ruggiero, A Ruiz-Martinez, A Rummler, Z Rurikova, NA Rusakovich, HL Russell, G Russo, JP Rutherfoord, S Rutherford Colmenares, K Rybacki, M Rybar, EB Rye, A Ryzhov, JA Sabater Iglesias, P Sabatini, HF-W Sadrozinski, F Safai Tehrani, B Safarzadeh Samani, M Safdari, S Saha, M Sahinsoy, A Saibel, M Saimpert, M Saito, T Saito, D Salamani, A Salnikov, J Salt, A Salvador Salas, D Salvatore, F Salvatore, A Salzburger, D Sammel, D Sampsonidis, D Sampsonidou, J Sánchez, A Sanchez Pineda, V Sanchez Sebastian, H Sandaker, CO Sander, JA Sandesara, M Sandhoff, C Sandoval, DPC Sankey, T Sano, A Sansoni, L Santi, C Santoni, H Santos, SN Santpur, A Santra, KA Saoucha, JG Saraiva, J Sardain, O Sasaki, K Sato, C Sauer, F Sauerburger, E Sauvan, P Savard, R Sawada, C Sawyer, L Sawyer, I Sayago Galvan, C Sbarra, A Sbrizzi, T Scanlon, J Schaarschmidt, P Schacht, U Schäfer, AC Schaffer, D Schaile, RD Schamberger, C Scharf, MM Schefer, VA Schegelsky, D Scheirich, F Schenck, M Schernau, C Scheulen, C Schiavi, EJ Schioppa, M Schioppa, B Schlag, KE Schleicher, S Schlenker, J Schmeing, MA Schmidt, K Schmieden, C Schmitt, N Schmitt, S Schmitt, L Schoeffel, A Schoening, PG Scholer, E Schopf, M Schott, J Schovancova, S Schramm, F Schroeder, T Schroer, H-C Schultz-Coulon, M Schumacher, BA Schumm, Ph Schune, AJ Schuy, HR Schwartz, A Schwartzman, TA Schwarz, Ph Schwemling, R Schwienhorst, A Sciandra, G Sciolla, F Scuri, CD Sebastiani, K Sedlaczek, P Seema, SC Seidel, A Seiden, BD Seidlitz, C Seitz, JM Seixas, G Sekhniaidze, SJ Sekula, L Selem, N Semprini-Cesari, D Sengupta, V Senthilkumar, L Serin, L Serkin, M Sessa, H Severini, F Sforza, A Sfyrla, E Shabalina, R Shaheen, JD Shahinian, D Shaked Renous, LY Shan, M Shapiro, A Sharma, AS Sharma, P Sharma, S Sharma, PB Shatalov, K Shaw, SM Shaw, A Shcherbakova, Q Shen, DJ Sheppard, P Sherwood, L Shi, X Shi, CO Shimmin, JD Shinner, IPJ Shipsey, S Shirabe, M Shiyakova, J Shlomi, MJ Shochet, J Shojaii, DR Shope, B Shrestha, S Shrestha, EM Shrif, MJ Shroff, P Sicho, AM Sickles, E Sideras Haddad, A Sidoti, F Siegert, Dj Sijacki, F Sili, JM Silva, MV Silva Oliveira, SB Silverstein, S Simion, R Simoniello, EL Simpson, H Simpson, LR Simpson, ND Simpson, S Simsek, S Sindhu, P Sinervo, S Singh, S Sinha, S Sinha, M Sioli, I Siral, E Sitnikova, S Yu Sivoklokov, J Sjölin, A Skaf, E Skorda, P Skubic, M Slawinska, V Smakhtin, BH Smart, J Smiesko, S Yu Smirnov, Y Smirnov, LN Smirnova, O Smirnova, AC Smith, EA Smith, HA Smith, JL Smith, R Smith, M Smizanska, K Smolek, AA Snesarev, SR Snider, HL Snoek, S Snyder, R Sobie, A Soffer, CA Solans Sanchez, E Yu Soldatov, U Soldevila, AA Solodkov, S Solomon, A Soloshenko, K Solovieva, OV Solovyanov, V Solovyev, P Sommer, A Sonay, WY Song, JM Sonneveld, A Sopczak, AL Sopio, F Sopkova, IR Sotarriva Alvarez, V Sothilingam, OJ Soto Sandoval, S Sottocornola, R Soualah, Z Soumaimi, D South, N Soybelman, S Spagnolo, M Spalla, D Sperlich, G Spigo, S Spinali, DP Spiteri, M Spousta, EJ Staats, A Stabile, R Stamen, A Stampekis, M Standke, E Stanecka, MV Stange, B Stanislaus, MM Stanitzki, B Stapf, EA Starchenko, GH Stark, J Stark, DM Starko, P Staroba, P Starovoitov, S Stärz, R Staszewski, G Stavropoulos, J Steentoft, P Steinberg, B Stelzer, HJ Stelzer, O Stelzer-Chilton, H Stenzel, TJ Stevenson, GA Stewart, JR Stewart, MC Stockton, G Stoicea, M Stolarski, S Stonjek, A Straessner, J Strandberg, S Strandberg, M Stratmann, M Strauss, T Strebler, P Strizenec, R Ströhmer, DM Strom, R Stroynowski, A Strubig, SA Stucci, B Stugu, J Stupak, NA Styles, D Su, S Su, W Su, X Su, K Sugizaki, VV Sulin, MJ Sullivan, DMS Sultan, L Sultanaliyeva, S Sultansoy, T Sumida, S Sun, S Sun, O Sunneborn Gudnadottir, N Sur, MR Sutton, H Suzuki, M Svatos, M Swiatlowski, T Swirski, I Sykora, M Sykora, T Sykora, D Ta, K Tackmann, A Taffard, R Tafirout, JS Tafoya Vargas, EP Takeva, Y Takubo, M Talby, AA Talyshev, KC Tam, NM Tamir, A Tanaka, J Tanaka, R Tanaka, M Tanasini, Z Tao, S Tapia Araya, S Tapprogge, A Tarek Abouelfadl Mohamed, S Tarem, K Tariq, G Tarna, GF Tartarelli, P Tas, M Tasevsky, E Tassi, AC Tate, G Tateno, Y Tayalati, GN Taylor, W Taylor, AS Tee, R Teixeira De Lima, P Teixeira-Dias, JJ Teoh, K Terashi, J Terron, S Terzo, M Testa, RJ Teuscher, A Thaler, O Theiner, N Themistokleous, T Theveneaux-Pelzer, O Thielmann, DW Thomas, JP Thomas, EA Thompson, PD Thompson, E Thomson, Y Tian, V Tikhomirov, Yu A Tikhonov, S Timoshenko, D Timoshyn, EXL Ting, P Tipton, SH Tlou, A Tnourji, K Todome, S Todorova-Nova, S Todt, M Togawa, J Tojo, S Tokár, K Tokushuku, O Toldaiev, R Tombs, M Tomoto, L Tompkins, KW Topolnicki, E Torrence, H Torres, E Torró Pastor, M Toscani, C Tosciri, M Tost, DR Tovey, A Traeet, IS Trandafir, T Trefzger, A Tricoli, IM Trigger, S Trincaz-Duvoid, DA Trischuk, B Trocmé, C Troncon, L Truong, M Trzebinski, A Trzupek, F Tsai, M Tsai, A Tsiamis, PV Tsiareshka, S Tsigaridas, A Tsirigotis, V Tsiskaridze, EG Tskhadadze, M Tsopoulou, Y Tsujikawa, II Tsukerman, V Tsulaia, S Tsuno, K Tsuri, D Tsybychev, Y Tu, A Tudorache, V Tudorache, AN Tuna, S Turchikhin, I Turk Cakir, R Turra, T Turtuvshin, PM Tuts, S Tzamarias, P Tzanis, E Tzovara, F Ukegawa, PA Ulloa Poblete, EN Umaka, G Unal, M Unal, A Undrus, G Unel, J Urban, P Urquijo, P Urrejola, G Usai, R Ushioda, M Usman, Z Uysal, V Vacek, B Vachon, KOH Vadla, T Vafeiadis, A Vaitkus, C Valderanis, E Valdes Santurio, M Valente, S Valentinetti, A Valero, E Valiente Moreno, A Vallier, JA Valls Ferrer, DR Van Arneman, TR Van Daalen, A Van Der Graaf, P Van Gemmeren, M Van Rijnbach, S Van Stroud, I Van Vulpen, M Vanadia, W Vandelli, M Vandenbroucke, ER Vandewall, D Vannicola, L Vannoli, R Vari, EW Varnes, C Varni, T Varol, D Varouchas, L Varriale, KE Varvell, ME Vasile, L Vaslin, GA Vasquez, A Vasyukov, F Vazeille, T Vazquez Schroeder, J Veatch, V Vecchio, MJ Veen, I Veliscek, LM Veloce, F Veloso, S Veneziano, A Ventura, S Ventura Gonzalez, A Verbytskyi, M Verducci, C Vergis, M Verissimo De Araujo, W Verkerke, JC Vermeulen, C Vernieri, M Vessella, MC Vetterli, A Vgenopoulos, N Viaux Maira, T Vickey, OE Vickey Boeriu, GHA Viehhauser, L Vigani, M Villa, M Villaplana Perez, EM Villhauer, E Vilucchi, MG Vincter, GS Virdee, A Vishwakarma, A Visibile, C Vittori, I Vivarelli, E Voevodina, F Vogel, JC Voigt, P Vokac, Yu Volkotrub, J Von Ahnen, E Von Toerne, B Vormwald, V Vorobel, K Vorobev, M Vos, K Voss, JH Vossebeld, M Vozak, L Vozdecky, N Vranjes, M Vranjes Milosavljevic, M Vreeswijk, R Vuillermet, O Vujinovic, I Vukotic, S Wada, C Wagner, JM Wagner, W Wagner, S Wahdan, H Wahlberg, M Wakida, J Walder, R Walker, W Walkowiak, A Wall, T Wamorkar, AZ Wang, C Wang, C Wang, H Wang, J Wang, R-J Wang, R Wang, R Wang, SM Wang, S Wang, T Wang, WT Wang, W Wang, X Wang, X Wang, X Wang, Y Wang, Y Wang, Z Wang, Z Wang, Z Wang, A Warburton, RJ Ward, N Warrack, AT Watson, H Watson, MF Watson, E Watton, G Watts, BM Waugh, C Weber, HA Weber, MS Weber, SM Weber, C Wei, Y Wei, AR Weidberg, EJ Weik, J Weingarten, M Weirich, C Weiser, CJ Wells, T Wenaus, B Wendland, T Wengler, NS Wenke, N Wermes, M Wessels, AM Wharton, AS White, A White, MJ White, D Whiteson, L Wickremasinghe, W Wiedenmann, C Wiel, M Wielers, C Wiglesworth, DJ Wilbern, HG Wilkens, DM Williams, HH Williams, S Williams, S Willocq, BJ Wilson, PJ Windischhofer, FI Winkel, F Winklmeier, BT Winter, JK Winter, M Wittgen, M Wobisch, Z Wolffs, J Wollrath, MW Wolter, H Wolters, AF Wongel, EL Woodward, SD Worm, BK Wosiek, KW Woźniak, S Wozniewski, K Wraight, C Wu, J Wu, M Wu, M Wu, SL Wu, X Wu, Y Wu, Z Wu, J Wuerzinger, TR Wyatt, BM Wynne, S Xella, L Xia, M Xia, J Xiang, M Xie, X Xie, S Xin, A Xiong, J Xiong, D Xu, H Xu, L Xu, R Xu, T Xu, Y Xu, Z Xu, Z Xu, B Yabsley, S Yacoob, Y Yamaguchi, E Yamashita, H Yamauchi, T Yamazaki, Y Yamazaki, J Yan, S Yan, Z Yan, HJ Yang, HT Yang, S Yang, T Yang, X Yang, X Yang, Y Yang, Y Yang, Z Yang, W-M Yao, YC Yap, H Ye, H Ye, J Ye, S Ye, X Ye, Y Yeh, I Yeletskikh, BK Yeo, MR Yexley, P Yin, K Yorita, S Younas, CJS Young, C Young, C Yu, Y Yu, M Yuan, R Yuan, L Yue, M Zaazoua, B Zabinski, E Zaid, ZK Zak, T Zakareishvili, N Zakharchuk, S Zambito, JA Zamora Saa, J Zang, D Zanzi, O Zaplatilek, C Zeitnitz, H Zeng, JC Zeng, DT Zenger, O Zenin, T Ženiš, S Zenz, S Zerradi, D Zerwas, M Zhai, B Zhang, DF Zhang, J Zhang, J Zhang, K Zhang, L Zhang, P Zhang, R Zhang, S Zhang, S Zhang, T Zhang, X Zhang, X Zhang, Y Zhang, Y Zhang, Y Zhang, Z Zhang, Z Zhang, H Zhao, T Zhao, Y Zhao, Z Zhao, A Zhemchugov, J Zheng, K Zheng, X Zheng, Z Zheng, D Zhong, B Zhou, H Zhou, N Zhou, Y Zhou, CG Zhu, J Zhu, Y Zhu, Y Zhu, X Zhuang, K Zhukov, V Zhulanov, NI Zimine, J Zinsser, M Ziolkowski, L Živković, A Zoccoli, K Zoch, TG Zorbas, O Zormpa, W Zou, L Zwalinski, ATLAS CollaborationAbstract:
Angular correlations between heavy quarks provide a unique probe of the quark-gluon plasma created in ultrarelativistic heavy-ion collisions. Results are presented of a measurement of the azimuthal angle correlations between muons originating from semileptonic decays of heavy quarks produced in 5.02 TeV Pb+Pb and pp collisions at the LHC. The muons are measured with transverse momenta and pseudorapidities satisfying p_{T}^{μ}>4 GeV and |η^{μ}|<2.4, respectively. The distributions of azimuthal angle separation Δϕ for muon pairs having pseudorapidity separation |Δη|>0.8, are measured in different Pb+Pb centrality intervals and compared to the same distribution measured in pp collisions at the same center-of-mass energy. Results are presented separately for muon pairs with opposite-sign charges, same-sign charges, and all pairs. A clear peak is observed in all Δϕ distributions at Δϕ∼π, consistent with the parent heavy-quark pairs being produced via hard-scattering processes. The widths of that peak, characterized using Cauchy-Lorentz fits to the Δϕ distributions, are found to not vary significantly as a function of Pb+Pb collision centrality and are similar for pp and Pb+Pb collisions. This observation will provide important constraints on theoretical descriptions of heavy-quark interactions with the quark-gluon plasma.Search for Nearly Mass-Degenerate Higgsinos Using Low-Momentum Mildly Displaced Tracks in pp Collisions at sqrt[s]=13 TeV with the ATLAS Detector.
Physical review letters 132:22 (2024) 221801