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2024
preprint
Measurement of single top-quark production in association with a $W$ boson in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Georges Aad, Erlend Aakvaag, B. Abbott, Sara Abdelhameed, K. Abeling, Nils Julius Abicht, S. H. Abidi, Mohammed Aboelela, A. Aboulhorma, H. Abramowicz, H. Abreu, Y. Abulaiti, B. S. Acharya, Anke Ackermann, C. Adam Bourdarios, L. Adamczyk, S. V. Addepalli, Matt Addison, J. Adelman, A. Adıgüzel, T. Adye, J. Agarwala, X. Ai, M. Akbiyik, S. Aktas, Guillaume Lucas Albouy, Z. L. Alegria, M. Algren, Samuel William Alibocus, W. Alkakhi, A. Aloisio, Zainab Mohammad K Alsolami, M. Aly, Christoph Ames, Kyle Amirie, Dimitra Amperiadou, V. Ananiev, S. Y. Andrean, E. Antipov, M. A. Aparo, C. Arcangeletti, J.-H. Arling, K. Asai, Rose Atashi, A. D. Auriol, D. Babal, A. Badea, Tamas Marton Baer, Daniel Bahner, Luke Baines, Veena Balakrishnan, R. Balasubramanian, L. M. Baltes, Isaac Bamwidhi, A. Bandyopadhyay, M. Barakat, Marten Zefanja Barel, P. Baroň, A. J. Barr, Uriel Barron, S. Barsov, M. J. Basso, Susan Bataju, Russell Bate, Michael Bauer, Jean Yves Beaucamp, P. Bechtle, J. K. Behr, J. F. Beirer, M. Belfkir, Fatima Bendebba, Kees Benkendorfer, P. Berta, D. S. Bhattacharya, Kartik Deepak Bhide, V. Bhopatkar, G. Bianco, G. A. Bird, M. Biros, S. Biryukov, E. Bisceglie, I. Bloch, J. Blumenthal, Burkhard Bohm, Laura Boggia, C. D. Booth, A. G. Borbély, Iurii Bordulev, K. Bouaouda, Leo Boudet, F. Braren, L. M. Brown, L. E. Bruce, Tim Lukas Bruckler, D. Buchin, B. A. Bullard, O. Burlayenko, Jared Dynes Burleson, J. C. Burzynski, L. Cadamuro, Y. Cai, Yizhou Cai, Ali Can Canbay, F. Capocasa, A. Carbone, G. Carducci, E. M. Carlson, M. Carnesale, G. Carratta, A. Carroll, T. M. Carter, Alkaid Cheng, Colette Kaya, M. Caspar, Tom Cavaliere, N. Cavalli, Sofia Cella, B. Chargeishvili, C. Chauhan, A. Chen, H. Chen, H. Chen, J. Chen, Maggie Chen, Y. Chen, N. Chiedde, M. Chitishvili, X. Chu, Zaza Chubinidze, J. Chudoba, D. Cieri, S. E. Clawson, B. M. Cote, D. Cremonini, F. Crescioli, M. Cristoforetti, Jacob Edwin Crosby, H. Cui, Z. Cui, Jennifer Rachel Curran, J. V. Da Fonseca Pinto, D. Dal Santo, V. D’Amico, V. Dao, S. J. Das, F. Dattola, C. David, N. De Biase, A. De Maria, F. De Santis, J. Degens, F. Del Corso, F. Del Rio, L. Delagrange, C. Deutsch, A. Di Luca, M. Diamantopoulou, C. Dimitriadi, Thomas Benjamin Dingley, I-M. Dinu, M. Divisek, Bhupesh Dixit, Karolina Domijan, Kristin Dona, Binbin Dong, P. Dougan, M. A. Draguet, M. Drozdova, D. Du, Ioana Duminica, M. Dunford, M. Dyndał, G. H. Eberwein, B. Eckerova, P. A. Ekman, I. Ene, M. Errenst, S. Ezzarqtouni, V. Fadeyev, D. Fakoudis, F. Fallavollita, C. Fan, Ka Yan Fan, M. Faraj, Z. Feng, L. Ferencz, Maxime Fernoux, P. Fiedler, T. Fitschen, M. Flores, Joel Hengwei Foo, L. Fountas, L. Franco, A. Froch, Y. Fu, M. Fujimoto, Kin Yip Fung, Anne Gaa, S. Galantzan, James Gallagher, D. Garg, Jack Gargan, C. M. Garvey, A. A. Geanta, C. M. Gee, W. F. George, Marvin Emin Geyik, M. Ghani, K. Ghorbanian, A. Ghosal, A. K. Gilbert, L. Ginabat, C. Glasman, G. R. Gledhill, G. Glemža, Y. Go, B. Gokturk, Mpho Gift Doctor Gololo, J. P. Gombas, V. Goumarre, K. Graham, Ingrid Gregor, S. Grinstein, G. Guerrieri, J. A. M. Guhit, E. Guilloton, F. Guo, S. S. Gurdasani, Manuel Gutsche, C. Gütschow, S. Hadzic, A. I. Hagan, J. J. Hall, L. Halser, Liangliang Han, D. A. Hangal, Hamza Hanif, M. D. Hank, D. Harada, M. L. Harris, Y. T. Harris, Jack Harrison, Rosanne Zara Hasan, Sohaib Hassan, Y. Hayashi, F. He, M. He, Yi He, N. B. Heatley, A. L. Heggelund, J. G. Heinlein, T. Herrmann, Nihad Hidic, D. Hirschbuehl, D. D. Hofer, J. Hofer, T. Holm, B. P. Honan, A. S. Howard, Bobby Mc Govern, Tao Hsu, Miao Hu, S. Huang, Xinhui Huang, Y. Huang, S. K. Huiberts, R. Hulsken, James Matthew Inglis, Rebecca Katie Irwin, P. Jackson, P. Jenni, C. E. Jessiman, Zihang Jia, Cheng Jiang, S. Jiggins, D. M. Jones, E. Jones, X. Ju, I. Kalaitzidou, K. Karava, S. Kaur, Mayuri Prabhakar Kawale, J. Keaveney, G. V. Kehris, B. P. Kerridge, Y. A. R. Khwaira, A. Kirchhoff, C. Kirfel, Florian Kirfel, C. Klein, Lucas Klein, S. B. Klein, T. M. Knight, Dmitrii Kobylianskii, S. F. Koch, P. Kodyš, O. Kolay, T. Komárek, P. Kontaxakis, S. Korn, B. Kortman, A. Kotsokechagia, Arthur Charles Kraus, J. W. Kraus, K. Kreul, K. S. Krowpman, Hans Krueger, Roman Kusters, T. Kuhl, M. Kumar, N. Kumari, A. Kupich, Oleg Kuprash, N. G. Kyriacou, N. N. Lad, Arthur Lafarge, Fatima Zahra Lahbabi, S. Lai, J. E. Lambert, A. N. Lancaster, E. Lançon, V. Latoňová, S. D. Lawlor, Z. Lawrence, Elise Maria Le Boulicaut Ennis, L. T. Le Pottier, B. Leban, M. LeBlanc, L. L. Leeuw, C. Leggett, Matthew Leigh, W. A. Leight, C. E. Leitgeb, T. Lenz, S. Leone, C. G. Lester, Lucy Lewitt, Ang Li, Hui Li, H. Li, Jialin Li, Ke Li, L. Li, M. Li, S. Li, X. Li, Z. Li, Z. Li, Zhijun Liang, Hsuan-Chu Lien, Hui-Chi Lin, R. E. Lindley, Jerry Ling, Eric Hsien Lung Liu, X. Liu, Xinyan Liu, Yanwen Liu, E. Lobodzinska, E. Loiacono, I. Longarini, Nicholas Albert Lopez-Canelas, A. M. Lory, X. C. Lou, Peter Love, M. Lu, N. A. Luongo, Adam Brayton Lux, K. Ma, L.L. Ma, Wenhao Ma, Y. Ma, V. Maksimovic, D. Malito, Giulia Manco, J. P. Mandalia, Shaadil Shah Mandarry, X. Mapekula, M. Marinescu, Sadia Marium, Ahmed Markhoos, Mathieu Markovitch, L. Martinelli, D. Mascione, J. Matoušek, Arnaud Jean Maury, E. Mazzeo, J. P. Mc Gowan, Ashley Ellen Mcdougall, Ryan Peter Mckenzie, D. J. Mclaughlin, C. M. Mcpartland, A. H. Melo, M. Mentink, Gretel Mercado, Eric Haynes Miller, Y. Mino, M. C. Missio, Y. Mitsumori, Marin Mlinarevic, S. Möbius, P. Mogg, L. Moleri, B. Mondal, S. Mondal, F. Morodei, T. Moskalets, P. Moskvitina, Piotr Moszkowicz, A. Moussa, O. Mtintsilana, A. J. Myers, Keerthi Nakkalil, M. Naseri, Salah Nasri, C. Nass, R. Nayak, Serafima Nechaeva, L. Nedic, C. Nelson, K. Nelson, F. Neuhaus, M. Niemeyer, I. Ninca, G. Ninio, J-E. Nitschke, Edward Khomotso Nkadimeng, Mitch Norfolk, Meryem Noury, J. Novák, Jan Tuzlić Offermann, A. Oh, R. Oishi, Ivan Oleksiyuk, Ogul Oncel, A. P. O’Neill, G. Padovano, A. Palazzo, Jonathan Pampel, T. Pan, C. Paraskevopoulos, K. R. Park, V. A. Parrish, Camila Pazos, J. Pearkes, E. A. Pender, Gregory Douglas Penn, K. E. Penski, G. Shani Nimeshika Perera, O. Perrin, Κ. Peters, L. Pezzotti, Minh Tuan Pham, L. Pintucci, A. Pirttikoski, D. A. Pizzi, G. Poddar, A. Poley, A. Poreba, Lorenzo Primomo, R. Přívara, T. Procter, G. Proto, D. Pyatiizbyantseva, Qichen Dong, T. Qiu, G. Quétant, Fabiola Raffaeli, Ian Alejandro Ramirez-Berend, Dylan Rankin, H. Rasheed, V. Raskina, D. F. Rassloff, J. A. Reidelsturz, Adam Rennie, A. L. Rescia, M. Ressegotti, Hanane Riani, N. Ribaric, S. Ridouani, J. Rieger, Philipp Rincke, M. P. Rinnagel, Ryan Roberts, S. H. Robertson, A. R. Roepe-Gier, E. Romano, Benjamin Rottler, C. Rougier, D. Rousso, A. J. Ruby, T. A. Ruggeri, A. Ruggiero, G. Russo, E. Sampson, C. O. Sander, J. A. Sandesara, Lorenzo Sanfilippo, L. Santi, C. Scharf, Meinrad Moritz Schefer, C. Scheulen, B. Schlag, J. Schmeing, T. Schroer, H. R. Schwartz, B. D. Seidlitz, Debajyoti Sengupta, V. Senthilkumar, F. Šforza, Q. Sha, Aashaq Shah, P. Sharma, D. J. Sheppard, B. Shrestha, M. J. Shroff, F. Siegert, F. Sili, Harry Simpson, Liana Simpson, S. Sindhu, S. Singh, S. Sinha, E. Sitnikova, Andrew Caldon Smith, E. A. Smith, S. Solomon, K. Solovieva, Anil Sonay, Josef Daniel Sorenson, Z. Soumaimi, B. Spisso, A. Stampekis, M. Standke, Weronika Stanek-Maslouska, M. M. Stanitzki, G. H. Stark, Joshua Ryan Stewart, N. A. Styles, D. Su, X. Su, Daniel Suchy, K. Sugizaki, L. Sultanaliyeva, S. Sun, H. Suzuki, T. Swirski, T. Sýkora, D. Ta, K. Tackmann, K. C. Tam, Aric Tate, O. Theiner, E. A. Thompson, Chunhao Tian, Y. Tian, E. X. L. Ting, A. Tishelman-Charny, Leonardo Toffolin, M. Togawa, Alex Toldaiev, K. W. Topolnicki, M. Toscani, D. A. Trischuk, F. Tsai, A. Tsiamis, V. Tsiskaridze, Y. Tsujikawa, T. Turtuvshin, E. N. Umaka, A. Undrus, R. Ushioda, T. Vafeiadis, D. R. Van Arneman, A. Van Der Graaf, M. Van Rijnbach, D. Vannicola, L. Varriale, A. Vasyukov, M. J. Veen, A. Vgenopoulos, E. Voevodina, Yu. Volkotrub, Katharina Voss, J. M. Wagner, S. Wahdan, Erik Jakob Wallin, Alex Zeng Wang, S. Wang, S. Wang, T. Wang, X. Wang, X. Wang, Yinmiao Wang, Yuhao Wang, Z. Wang, R. J. Ward, H. Watson, James Maitland Webb, H. A. Weber, S. M. Weber, C. Wei, Edison James Weik, C. J. Wells, Nina Stephanie Wenke, N. Wermes, M. Wessels, Lakmin Wickremasinghe, Hugh Williams, S. Willocq, P. J. Windischhofer, F. I. Winkel, B. T. Winter, Joshua Krystian Winter, Z. Wolffs, E. L. Woodward, S. D. Worm, S. Wozniewski, Chonghao Wu, M. Wu, Y. Wu, Z. Wu, S. Xin, J. Xiong, Yue Xu, Zifeng Xu, B. Yabsley, E. Yamashita, H. Yamauchi, T. Yang, X. Yang, J. Ye, X. Ye, Jiarong Yuan, J. Zang, H. Zeng, D. Zerwas, M. Zhai, L. Zhang, T. Zhang, X. Zhang, X. Zhang, Y. Zhang, Yixiang Zhang, Zhuolin Zhang, Z. Zhang, Z. Zhang, H. Zhao, T. Zhao, Yuzhan Zhao, Z. Zhao, Zihan Zhao, A. Zhemchugov, J. Zheng, K. Zheng, X. Zheng, Z. Zheng, D. Zhong, B. Zhou, Hao Zhou, Yan Zhou, Yong Zhou, You Zhou, C. G. Zhu, J. Zhu, Xuliang Zhu, Y. Zhu, Y. C. Zhu, X. Zhuang, K. Zhukov, N. I. Zimine, J. Zinsser, Michal Ziolkowski, L. Živković, A. Zoccoli, K. Zoch, T. G. Zorbas, O. Zormpa, W. Zou, L. Zwalinski
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Résumé fourni par la source
The inclusive cross-section for the production of a single top quark in association with a $W$ boson is measured using 140 fb$^{-1}$ of proton$-$proton collision data collected with the ATLAS detector at $\sqrt{s} = 13$ TeV. Events containing two charged leptons and at least one jet identified as originating from a $b$-quark are selected. A multivariate discriminant is constructed to separate the $tW$ signal from the $t\bar{t}$ background. The cross-section is extracted using a profile likelihood fit to the signal and control regions and it is measured to be $\sigma_{tW} = 75^{+15}_{-14}$ pb, in good agreement with the Standard Model prediction. The measured cross-section is used to extract a value for the left-handed form factor at the $Wtb$ vertex times the CKM matrix element $|f_\text{LV}V_{tb}|$ of $0.97 \pm 0.10$.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
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Sujets associés
Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchParticle Detector Development and Performance