Search for pair production of boosted Higgs bosons via vector-boson fusion in the b b ¯ b b ¯ final state using pp collisions at s = 13 TeV with the ATLAS detector

Physics Letters B Elsevier 858 (2024) 139007

Authors:

G Aad, E Aakvaag, B Abbott, S Abdelhameed, K Abeling, NJ Abicht, SH Abidi, M Aboelela, A Aboulhorma, H Abramowicz, H Abreu, Y Abulaiti, BS Acharya, A Ackermann, 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, 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, ZMK Alsolami, 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, KJ Amirie, SP Amor Dos Santos, KR Amos, S An, V Ananiev, C Anastopoulos, T Andeen, JK Anders, AC Anderson, SY Andrean, A Andreazza, S Angelidakis, A Angerami, AV Anisenkov, A Annovi, C Antel, E Antipov, M Antonelli, F Anulli, M Aoki, T Aoki, MA Aparo, L Aperio Bella, C Appelt, A Apyan, 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, RA Ashby Pickering, K Assamagan, R Astalos, KSV Astrand, 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, K Bai, JT Baines, L Baines, OK Baker, E Bakos, D Bakshi Gupta, LE Balabram Filho, V Balakrishnan, R Balasubramanian, EM Baldin, P Balek, E Ballabene, F Balli, LM Baltes, WK Balunas, J Balz, I Bamwidhi, 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, 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, S Bataju, R Bate, RL Bates, S Batlamous, B Batool, M Battaglia, D Battulga, M Bauce, M Bauer, P Bauer, LT Bazzano Hurrell, JB Beacham, T Beau, JY Beaucamp, PH Beauchemin, 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, KC Benkendorfer, 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, S Bethke, A Betti, AJ Bevan, NK Bhalla, S Bhatta, DS Bhattacharya, P Bhattarai, KD Bhide, VS Bhopatkar, RM Bianchi, G Bianco, O Biebel, R Bielski, M Biglietti, CS Billingsley, M Bindi, A Bingul, C Bini, A Biondini, GA Bird, M Birman, M Biros, S Biryukov, T Bisanz, E Bisceglie, JP Biswal, D Biswas, I Bloch, A Blue, U Blumenschein, J Blumenthal, 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, L Boudet, J Boudreau, EV Bouhova-Thacker, D Boumediene, R Bouquet, A Boveia, J Boyd, D Boye, IR Boyko, L Bozianu, J Bracinik, N Brahimi, G Brandt, O Brandt, F Braren, B Brau, JE Brau, R Brener, L Brenner, R Brenner, S Bressler, G Brianti, D Britton, D Britzger, I Brock, R Brock, G Brooijmans, EM 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, 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, M Calvetti, R Camacho Toro, S Camarda, D Camarero Munoz, P Camarri, MT Camerlingo, D Cameron, C Camincher, M Campanelli, A Camplani, V Canale, AC Canbay, E Canonero, J Cantero, Y Cao, F Capocasa, M Capua, A Carbone, R Cardarelli, JCJ Cardenas, G Carducci, T Carli, G Carlino, JI Carlotto, BT Carlson, EM Carlson, J Carmignani, L Carminati, A Carnelli, M Carnesale, S Caron, E Carquin, S Carrá, G Carratta, AM Carroll, TM Carter, MP Casado, M Caspar, FL Castillo, L Castillo Garcia, V Castillo Gimenez, NF Castro, A Catinaccio, JR Catmore, T Cavaliere, V Cavaliere, N Cavalli, LJ Caviedes Betancourt, YC Cekmecelioglu, E Celebi, S Cella, 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, M Chatterjee, C Chauhan, Y Che, 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, Y Chou, EYS Chow, KL Chu, MC Chu, X Chu, Z Chubinidze, J Chudoba, JJ Chwastowski, D Cieri, KM Ciesla, V Cindro, A Ciocio, F Cirotto, ZH Citron, M Citterio, DA Ciubotaru, A Clark, PJ Clark, N Clarke Hall, C Clarry, JM Clavijo Columbie, SE Clawson, C Clement, J Clercx, Y Coadou, M Cobal, A Coccaro, RF Coelho Barrue, R Coelho Lopes De, S Coelli, B Cole, J Collot, P Conde Muiño, MP Connell, SH Connell, EI Conroy, F Conventi, HG Cooke, AM Cooper-Sarkar, FA Corchia, A Cordeiro Oudot Choi, LD Corpe, M Corradi, F Corriveau, A Cortes-Gonzalez, MJ Costa, F Costanza, D Costanzo, BM Cote, J Couthures, G Cowan, K Cranmer, D Cremonini, S Crépé-Renaudin, F Crescioli, M Cristinziani, M Cristoforetti, V Croft, JE Crosby, G Crosetti, A Cueto, H Cui, Z Cui, WR Cunningham, F Curcio, JR Curran, 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, D Dannheim, M Danninger, V Dao, G Darbo, SJ Das, F Dattola, S D'Auria, A D'avanzo, C David, T Davidek, 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, KF Di Petrillo, M Diamantopoulou, FA Dias, T Dias Do Vale, MA Diaz, FG Diaz Capriles, M Didenko, EB Diehl, S Díez Cornell, C Diez Pardos, C Dimitriadi, A Dimitrievska, J Dingfelder, I-M Dinu, SJ Dittmeier, F Dittus, M Divisek, F Djama, T Djobava, C Doglioni, A Dohnalova, J Dolejsi, Z Dolezal, K Domijan, 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, 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, I Duminica, 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 Elsawy, M Elsing, D Emeliyanov, Y Enari, I Ene, S Epari, PA Erland, D Ernani Martins Neto, M Errenst, M Escalier, C Escobar, E Etzion, G Evans, H Evans, LS Evans, A Ezhilov, S Ezzarqtouni, F Fabbri, L Fabbri, G Facini, V Fadeyev, RM Fakhrutdinov, D Fakoudis, S Falciano, LF Falda Ulhoa Coelho, F Fallavollita, G Falsetti, 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, M Feickert, L Feligioni, DE Fellers, C Feng, M Feng, Z Feng, MJ Fenton, L Ferencz, RAM Ferguson, SI Fernandez Luengo, P Fernandez Martinez, MJV Fernoux, J Ferrando, A Ferrari, P Ferrari, R Ferrari, D Ferrere, C Ferretti, D Fiacco, 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, 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, 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 Gaa, A Gabrielli, A Gabrielli, P Gadow, G Gagliardi, LG Gagnon, S Gaid, S Galantzan, 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, VK Gassmann, G Gaudio, V Gautam, P Gauzzi, J Gavranovic, IL Gavrilenko, A Gavrilyuk, C Gay, G Gaycken, EN Gazis, AA Geanta, CM Gee, A Gekow, C Gemme, MH Genest, AD Gentry, S George, WF George, T Geralis, P Gessinger-Befurt, ME Geyik, M Ghani, 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, 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, L Gonella, A Gongadze, F Gonnella, JL Gonski, RY González Andana, S González de la Hoz, R Gonzalez Lopez, C Gonzalez Renteria, MV Gonzalez Rodrigues, R Gonzalez Suarez, S Gonzalez-Sevilla, 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, CM Grant, PM Gravila, FG Gravili, HM Gray, M Greco, MJ Green, C Grefe, AS Grefsrud, IM Gregor, KT Greif, P Grenier, SG Grewe, AA Grillo, K Grimm, S Grinstein, J-F Grivaz, E Gross, J Grosse-Knetter, JC Grundy, L Guan, JGR Guerrero Rojas, G Guerrieri, R Gugel, JAM Guhit, A Guida, E Guilloton, S Guindon, F Guo, J Guo, L Guo, Y Guo, 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, JB 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, RZ Hasan, Y Hasegawa, S Hassan, 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, Y He, NB Heatley, V Hedberg, AL Heggelund, ND Hehir, C Heidegger, KK Heidegger, J Heilman, S Heim, T Heim, JG Heinlein, JJ Heinrich, L Heinrich, J Hejbal, 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, M Hidaoui, N Hidic, 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, JJ Hong, J Hong, TM Hong, BH Hooberman, WH Hopkins, MC Hoppesch, Y Horii, S Hou, AS Howard, J Howarth, J Hoya, M Hrabovsky, A Hrynevich, T Hryn'ova, PJ Hsu, S-C Hsu, T Hsu, M Hu, Q Hu, S Huang, X Huang, Y 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, L Iconomidou-Fayard, JP Iddon, P Iengo, R Iguchi, Y Iiyama, T Iizawa, Y Ikegami, N Ilic, H Imam, M Ince Lezki, T Ingebretsen Carlson, JM Inglis, G Introzzi, M Iodice, V Ippolito, RK Irwin, M Ishino, W Islam, C Issever, S Istin, H Ito, R Iuppa, A Ivina, JM Izen, V Izzo, P Jacka, P Jackson, CS Jagfeld, G Jain, P Jain, K Jakobs, T Jakoubek, J Jamieson, W Jang, M Javurkova, L Jeanty, J Jejelava, P Jenni, CE Jessiman, C Jia, J Jia, X Jia, X Jia, Z Jia, C Jiang, 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, C Kahra, T Kaji, E Kajomovitz, N Kakati, I Kalaitzidou, CW Kalderon, NJ Kang, D Kar, K Karava, MJ Kareem, E Karentzos, 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, PD Kennedy, O Kepka, BP Kerridge, S Kersten, BP Kerševan, L Keszeghova, S Ketabchi Haghighat, RA Khan, A Khanov, AG Kharlamov, T Kharlamova, EE Khoda, M Kholodenko, TJ Khoo, G Khoriauli, J Khubua, YAR Khwaira, B Kibirige, 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, 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, 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, AC Kraus, JW Kraus, JA Kremer, T Kresse, L Kretschmann, 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, P 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, A Lafarge, B Laforge, T Lagouri, FZ Lahbabi, S Lai, JE Lambert, S Lammers, W Lampl, C Lampoudis, G Lamprinoudis, AN Lancaster, E Lançon, U Landgraf, MPJ Landon, VS Lang, OKB Langrekken, AJ Lankford, F Lanni, K Lantzsch, A Lanza, 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, LT Le Pottier, B Leban, A Lebedev, M LeBlanc, F Ledroit-Guillon, 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, LJ Levinson, G Levrini, MP Lewicki, C Lewis, DJ Lewis, A Li, B Li, C Li, C-Q Li, H Li, H 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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, MN Mancini, G Manco, JP Mandalia, SS Mandarry, I Mandić, L Manhaes de Andrade Filho, IM Maniatis, J Manjarres Ramos, DC Mankad, A Mann, S Manzoni, L Mao, X Mapekula, A Marantis, G Marchiori, M Marcisovsky, C Marcon, M Marinescu, S Marium, M Marjanovic, A Markhoos, M Markovitch, EJ Marshall, Z Marshall, S Marti-Garcia, J Martin, TA Martin, VJ Martin, B Martin dit Latour, L Martinelli, M Martinez, P Martinez Agullo, VI Martinez Outschoorn, P Martinez Suarez, S Martin-Haugh, G Martinovicova, VS Martoiu, AC Martyniuk, A Marzin, D Mascione, L Masetti, T Mashimo, J Masik, AL Maslennikov, P Massarotti, P Mastrandrea, A Mastroberardino, T Masubuchi, T Mathisen, J Matousek, N Matsuzawa, J Maurer, AJ Maury, B Maček, DA Maximov, AE May, R Mazini, I Maznas, M Mazza, SM Mazza, E Mazzeo, C Mc 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Precise measurements of W - and Z -boson transverse momentum spectra with the ATLAS detector using pp collisions at s = 5.02 TeV and 13 TeV

The European Physical Journal C SpringerOpen 84:10 (2024) 1126

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, L Adamek, SV Addepalli, MJ Addison, J Adelman, A Adiguzel, T Adye, AA Affolder, Y Afik, MN Agaras, J Agarwala, A Aggarwal, C Agheorghiesei

Abstract:

This paper describes measurements of the transverse momentum spectra of W and Z bosons produced in proton–proton collisions at centre-of-mass energies of s=5.02 TeV and s=13 TeV with the ATLAS experiment at the Large Hadron Collider. Measurements are performed in the electron and muon channels, W→ℓν and Z→ℓℓ (ℓ=e or μ), and for W events further separated by charge. The data were collected in 2017 and 2018, in dedicated runs with reduced instantaneous luminosity, and correspond to 255 and 338 pb-1 at s=5.02 TeV and 13 TeV, respectively. These conditions optimise the reconstruction of the W-boson transverse momentum. The distributions observed in the electron and muon channels are unfolded, combined, and compared to QCD calculations based on parton shower Monte Carlo event generators and analytical resummation. The description of the transverse momentum distributions by Monte Carlo event generators is imperfect and shows significant differences largely common to W-, W+ and Z production. The agreement is better at s=5.02 TeV, especially for predictions that were tuned to Z production data at s=7 TeV. Higher-order, resummed predictions based on DYTurbo generally match the data best across the spectra. Distribution ratios are also presented and test the understanding of differences between the production processes.

Discovering neutrino tridents at the Large Hadron Collider

Physical Review D American Physical Society (APS) 110:7 (2024) 72018

Authors:

Wolfgang Altmannshofer, Toni Mäkelä, Subir Sarkar, Sebastian Trojanowski, Keping Xie, Bei Zhou

Abstract:

<jats:p>Neutrino trident production of dilepton pairs is well recognized as a sensitive probe of both electroweak physics and physics beyond the Standard Model. Although a rare process, it could be significantly boosted by such new physics, and it also allows the electroweak theory to be tested in a new regime. We demonstrate that the forward neutrino physics program at the Large Hadron Collider offers a promising opportunity to measure for the first time, dimuon neutrino tridents with a statistical significance exceeding <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mn>5</a:mn><a:mi>σ</a:mi></a:math>, improving on the previous claims at the <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"><c:mo>∼</c:mo><c:mn>3</c:mn><c:mi>σ</c:mi></c:math> level by the CHARM-II and CCFR collaborations while accounting for additional backgrounds later identified by the NuTeV collaboration. We present predictions for various proposed experiments and outline a specific experimental strategy to identify the signal and mitigate backgrounds, based on “reverse tracking” dimuon pairs in the <e:math xmlns:e="http://www.w3.org/1998/Math/MathML" display="inline"><e:mrow><e:mi>FASER</e:mi><e:mi>ν</e:mi><e:mn>2</e:mn></e:mrow></e:math> detector. We also discuss prospects for constraining beyond Standard Model contributions to neutrino trident rates at high energies.</jats:p> <jats:sec> <jats:title/> <jats:supplementary-material> <jats:permissions> <jats:copyright-statement>Published by the American Physical Society</jats:copyright-statement> <jats:copyright-year>2024</jats:copyright-year> </jats:permissions> </jats:supplementary-material> </jats:sec>

Prospects for a survey of the galactic plane with the Cherenkov Telescope Array

Journal of Cosmology and Astroparticle Physics IOP Publishing 2024:10 (2024) 081

Authors:

S Abe, J Abhir, A Abhishek, F Acero, A Acharyya, R Adam, A Aguasca-Cabot, I Agudo, A Aguirre-Santaella, J Alfaro, N Alvarez-Crespo, R Alves Batista, J-P Amans, E Amato, G Ambrosi, F Ambrosino, Eo Angüner, C Aramo, C Arcaro, L Arrabito, K Asano, Y Ascasíbar, J Aschersleben, L Augusto Stuani, M Backes, C Balazs, M Balbo, J Ballet, A Baquero Larriva, V Barbosa Martins, U Barres de Almeida, Ja Barrio, I Batković, R Batzofin, J Baxter, J Becerra González, G Beck, L Beiske, R Belmont, W Benbow, E Bernardini, J Bernete, K Bernlöhr, A Berti, B Bertucci, V Beshley, P Bhattacharjee, S Bhattacharyya, B Bi, N Biederbeck

Abstract:

<jats:title>Abstract</jats:title> <jats:p>Approximately one hundred sources of very-high-energy (VHE) gamma rays are known in the Milky Way, detected with a combination of targeted observations and surveys. A survey of the entire Galactic Plane in the energy range from a few tens of GeV to a few hundred TeV has been proposed as a Key Science Project for the upcoming Cherenkov Telescope Array Observatory (CTAO). This article presents the status of the studies towards the Galactic Plane Survey (GPS). We build and make publicly available a sky model that combines data from recent observations of known gamma-ray emitters with state-of-the-art physically-driven models of synthetic populations of the three main classes of established Galactic VHE sources (pulsar wind nebulae, young and interacting supernova remnants, and compact binary systems), as well as of interstellar emission from cosmic-ray interactions in the Milky Way. We also perform an optimisation of the observation strategy (pointing pattern and scheduling) based on recent estimations of the instrument performance. We use the improved sky model and observation strategy to simulate GPS data corresponding to a total observation time of 1620 hours spread over ten years. Data are then analysed using the methods and software tools under development for real data. Under our model assumptions and for the realisation considered, we show that the GPS has the potential to increase the number of known Galactic VHE emitters by almost a factor of five. This corresponds to the detection of more than two hundred pulsar wind nebulae and a few tens of supernova remnants at average integral fluxes one order of magnitude lower than in the existing sample above 1 TeV, therefore opening the possibility to perform unprecedented population studies. The GPS also has the potential to provide new VHE detections of binary systems and pulsars, to confirm the existence of a hypothetical population of gamma-ray pulsars with an additional TeV emission component, and to detect bright sources capable of accelerating particles to PeV energies (PeVatrons). Furthermore, the GPS will constitute a pathfinder for deeper follow-up observations of these source classes. Finally, we show that we can extract from GPS data an estimate of the contribution to diffuse emission from unresolved sources, and that there are good prospects of detecting interstellar emission and statistically distinguishing different scenarios. Thus, a survey of the entire Galactic plane carried out from both hemispheres with CTAO will ensure a transformational advance in our knowledge of Galactic VHE source populations and interstellar emission.</jats:p>

Constraints on simplified dark matter models involving an s -channel mediator with the ATLAS detector in pp collisions at s = 13 TeV

The European Physical Journal C SpringerOpen 84:10 (2024) 1102

Authors:

G Aad, E Aakvaag, B Abbott, S Abdelhameed, K Abeling, NJ Abicht, SH Abidi, M Aboelela, A Aboulhorma, H Abramowicz, H Abreu, Y Abulaiti, BS Acharya, A Ackermann, C Adam Bourdarios, L Adamczyk, SV Addepalli, MJ Addison, J Adelman, A Adiguzel, T Adye, AA Affolder, Y Afik, MN Agaras

Abstract:

This paper reports a summary of searches for a fermionic dark matter candidate in the context of theoretical models characterised by a mediator particle exchange in the s-channel. The data sample considered consists of pp collisions delivered by the Large Hadron Collider during its Run 2 at a centre-of-mass energy of s=13TeV and recorded by the ATLAS detector, corresponding to up to 140 fb-1. The interpretations of the results are based on simplified models where the new mediator particles can be spin-0, with scalar or pseudo-scalar couplings to fermions, or spin-1, with vector or axial-vector couplings to fermions. Exclusion limits are obtained from various searches characterised by final states with resonant production of Standard Model particles, or production of Standard Model particles in association with large missing transverse momentum.