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Measurement of the cross-sections of the electroweak and total production of a Zγ pair in association with two jets in pp collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo linebreak="goodbreak" linebreakstyle="after">=</mml:mo><mml:mn>13</mml:mn></mml:math> TeV with the ATLAS detector
G. Aad, B. Abbott, K. Abeling, Nils Julius Abicht, S. H. Abidi, A. Aboulhorma, H. Abramowicz, H. Abreu, Y. Abulaiti, A. C. Abusleme Hoffman, B. S. Acharya, C. Adam Bourdarios, L. Adamczyk, L. Adámek, S. V. Addepalli, Matt Addison, J. Adelman, A. Adıgüzel, T. Adye, A. A. Affolder, Y. Afik, M. N. Agaras, J. Agarwala, A. Aggarwal, C. Agheorghiesei, A. Ahmad, F. Ahmadov, W. S. Ahmed, S. Ahuja, X. Ai, G. Aielli, A. Aikot, M. Ait Tamlihat, B. Aitbenchikh, I. Aizenberg, M. Akbiyik, T. P. A. Åkesson, A. V. Akimov, D. Akiyama, Nilima Nilesh Akolkar, K. Al Khoury, G. L. Alberghi, J. Albert, Pietro Albicocco, Guillaume Lucas Albouy, S. Alderweireldt, M. Aleksa, I. N. Aleksandrov, C. Alexa, T. Alexopoulos, Fabrizio Alfonsi, M. Algren, M. Alhroob, B. Ali, Hanadi Ali, S. Ali, Samuel William Alibocus, G. Alimonti, W. Alkakhi, C. Allaire, Benedict Allbrooke, Julia Frances Allen, C. Flores, P. P. Allport, A. Aloisio, F. Alonso, C. Alpigiani, M. Alvarez Estevez, A. Álvarez Fernández, Mario Alves Cardoso, M. G. Alviggi, M. Aly, Y. Amaral Coutinho, A. Ambler, Christoph Amelung, M. Amerl, C. G. Ames, D. Amidei, S. P. Amor Dos Santos, K. R. Amos, V. Ananiev, C. Anastopoulos, T. Andeen, J. K. Anders, S. Y. Andrean, A. Andreazza, S. Angelidakis, A. Angerami, A. V. Anisenkov, A. Annovi, C. Antel, M. T. Anthony, E. Antipov, M. Antonelli, F. Anulli, M. Aoki, T. Aoki, J. A. Aparisi Pozo, M. A. Aparo, L. Aperio Bella, C. Appelt, A. Apyan, Nordin Aranzabal Barrio, C. Arcangeletti, A. T. H. Arce, Eloisa Arena, J-F. Arguin, S. Argyropoulos, J.-H. Arling, O. Arnaez, H. Arnold, G. Artoni, H. Asada, K. Asai, S. Asai, N. Asbah, J. Assahsah, K. Assamagan, R. Astalos, Rose Atashi, R. J. Atkin, Markus Julian Atkinson, Hicham Atmani, P. A. Atmasiddha, K. Augsten, S. Auricchio, A. D. Auriol, V. A. Austrup, G. Avolio, K. Axiotis, G. Azuelos, Dominik Babal, H. Bachacou, K. Bachas, A. Bachiu, F. Backman, A. Badea, P. Bagnaia, M. Bahmani, A. J. Bailey, V. R. Bailey, J. T. Baines, L. Baines, C. Bakalis, Keith Baker, E. Bakos, Debottam Bakshi Gupta, Veena Balakrishnan, R. Balasubramanian, E. M. Baldin, P. Balek, E. Ballabene, Fabrice Balli, L. M. Baltes, W. K. Balunas, Johannes Balz, E. Banaś, Marilena Bandieramonte, A. Bandyopadhyay, L. Barak, M. Barakat, E. L. Barberio, D. Barberis, M. Barbero, Marten Zefanja Barel, K. N. Barends, T. Barillari, M-S. Barisits, Tim Barklow, P. Baroň, Diego Baron, Toni Baroncelli, G. Barone, A. J. Barr, Jackson Barr, L. Barranco Navarro, F. Barreiro, J. Barreiro Guimarães da Costa, Uriel Barron, Maura Barros, S. Barsov, F. Bartels, R. Bartoldus, A. E. Barton, P. Bartos, A. Basan, M. Baselga, A. Bassalat, M. J. Basso, C. R. Basson, R. L. Bates, Souad Batlamous, Richard Batley, B. Batool, M. Battaglia, D. Battulga, M. Bauce, J. B. Beacham, T. Beau, P. H. Beauchemin, F. Becherer, P. Bechtle, H. P. Beck, K. Becker, A. J. Beddall, V. A. Bednyakov, Chris Bee, L. J. Beemster, T. A. Beermann, M. Begalli, M. Begel, A. Behera, J. K. Behr, J. F. Beirer, F. Beisiegel, M. Belfkir, G. Bella, L. Bellagamba, A. Bellerive, P. Bellos, K. Beloborodov, N. L. Belyaev, D. Benchekroun, F. Bendebba, Y. Benhammou, M. Benoit, J. R. Bensinger, Stan Bentvelsen, Lydia Audrey Beresford, M. Beretta, E. Bergeaas Kuutmann, N. Berger, B. Bergmann, J. Beringer, G. Bernardi, C. Bernius, F. U. Bernlochner, F. Bernon, T. Berry, P. Berta, Anne-Sophie Berthold, I. A. Bertram, S. Bethke, A. Betti, A. J. Bevan, M. Bhamjee, S. Bhatta, D. S. Bhattacharya, P. Bhattarai, V. Bhopatkar, Ran Bi, R. M. Bianchi, G. Bianco, O. Biebel, R. Bielski, M. Biglietti, T. R. V. Billoud, M. Bindi, A. Bingül, C. Bini, A. Biondini, C. J. Birch-sykes, G. A. Bird, M. Birman, M. Biros, S. Biryukov, T. Bisanz, E. Bisceglie, J. P. Biswal, Diptaparna Biswas, A. Bitadze, K. Bjørke, Ingo Bloch, C. Blocker, J. Blumenthal, Gerjan Bobbink, Viktor Bobrovnikov, Burkhard Bohm, D. Bogavac, A. G. Bogdanchikov, C. Böhm, V. Boisvert, Petar Bokan, T. Bołd, M. Bomben, M. Bóna, M. Boonekamp, C. D. Booth, A. G. Borbély, Iurii Bordulev, H. M. Borecka-Bielska, L. S. Borgna, G. Borissov, D. Bortoletto, D. Boscherini, M. Bosman, J. D. Bossio Sola, K. Bouaouda, N. Bouchhar, J. Boudreau, E. V. Bouhova-Thacker, D. Boumediene, R. Bouquet, A. Boveia, Jamie Boyd, Diallo Boye, I. Boyko, J. Braciník, N. Brahimi, G. Brandt, O. Brandt, Frued Erik Braren, B. Brau, Jim Brau, A. Roy, R. Brenner, S. Bressler, D. Britton, Daniel Andreas Britzger, I. Brock, G. Brooijmans, W. K. Brooks, E. Brost, L. M. Brown, L. E. Bruce, Tim Lukas Bruckler, P. A. Bruckman de Renstrom, Ben Bruers, A. Bruni, G. Bruni, M. Bruschi, T. Buanes, D. Buchin, A. G. Buckley, O. Bulekov, Brendon Bullard, S. Burdin, C. D. Burgard, A. M. Burger, B. Burghgrave, O. Burlayenko, Jon Burr, C. D. Burton, J. C. Burzynski, E. L. Busch, V. Buescher, P. J. Bussey, J. M. Butler, C. M. Buttar, J. M. Butterworth, W. Buttinger, Carlos Josue Buxo Vazquez, Alexey Buzykaev, S. Cabrera Urbán, L. Cadamuro, D. Caforio, H. Cai, Y. Cai, V. M. M. Cairo, Ö. Çakır, N. Calace, P. Calafiura, G. Calderini, P. Calfayan, G. Callea, L. P. Caloba, D. Calvet, S. Calvet, T. P. Calvet, M. Calvetti, R. Camacho Toro, S. Camarda, D. Camarero Munoz, P. Camarri, Maria Teresa 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, Juan Carlos Cardenas, F. Cardillo, G. Carlino, G. Carlino, Ben Carlson, Evan Michael Carlson, L. Carminati, Alberto Carnelli, M. Carnesale, S. Caron, E. Carquín, S. Carrá, G. Carratta, F. Carrió Argos, J. W. S. Carter, T. M. Carter, Pilar Casado Lechuga, M. Caspar, E. G. Castiglia, L. Castillo García, N. F. Castro, A. Catinaccio, J. R. Catmore, V. Cavaliere, N. Cavalli, V. Cavasinni, Yusuf Can Cekmecelioglu, E. Celebi, F. Celli, M. S. Centonze, M. C. Chu, J. Dingfelder, Y. Fang, D. Fassouliotis, A. B. Fenyuk, D. Francis, L. Franconi, C. Garcı́a, Antonio Giannini, G. Gilles, Maximilian Emanuel Goblirsch-Kolb, Alex Grillo, E. Gross, C. Grud, W. Guan, Liang Han, Dines Hansen, P. F. Harrison, Christopher Robyn Hayes, Kim Katrin Heidegger, Y. Ikegami, J. Jia, Abraham Kahn, Attila Krasznahorkay, T. Kupfer, E. Ladygin, E. M. Le Boulicaut, Shih-Chang Lee, Changqiao Li, Zhijun Liang, M. Lu, Yun-Ju Lu, H. Lyons, Lianliang Ma, Yanhui Ma, S. Maltezos, Tim Martin, Mario Martinez-Perez, Verena Ingrid Martinez Outschoorn, Alex Christopher Martyniuk, Joseph Mullin, Chilufya Mwewa, G. Myers, Andy Parker, Marian Benedikt Rendel, I. Riu, E. Rizvi, S. Roe, J. T. Roemer, F. Sauerburger, D. Schaefer, Uli Schaefer, D. Schaile, R. D. Schamberger, Rachel Emma Clarke Smith, Darij Markian Starko, S. Staerz, D. M. S. Sultan, Salekh Sultanov, G. Tarna, Juergen Thomas, Iouri Tikhonov, S. Todt, L. Tompkins, K. Tsuri, R. Vuillermet, O. Vujinovic, I. Vukotić, S. Wada, Cooper Wagner, J. M. Wagner, Wolfgang Wagner, Shayma Wahdan, H. Wahlberg, Moe Wakida, J. Walder, R. Walker, W. Walkowiak, A. Wall, Tanvi Wamorkar, Alex Zeng Wang, Chen Wang, C. Wang, Haichen Wang, J. Wang, R. Wang, Rongkun Wang, R. Wang, S. M. Wang, S. Wang, Tao Wang, Weitao Wang, Xin Wang, X. Wang, Xi Wang, Yuhao Wang, Z. Wang, Z. Wang, Z. Wang, A. Warburton, Robert James Ward, Neil Warrack, Alan Watson, H. Watson, M. F. Watson, E. Watton, B. M. Waugh, C. Weber, Hannsjorg Weber, M. Weber, S. M. Weber, Chuanshun Wei, Y. Wei, Anthony Weidberg, E. J. Weik, J. Weingarten, M. Weirich, C. Weiser, Craig John Wells, T. Wenaus, Bjoern Wendland, T. Wengler, Nina Stephanie Wenke, N. Wermes, M. Wessels, A. M. Wharton, M. J. White, D. Whiteson, Lakmin Wickremasinghe, W. Wiedenmann, C. Wiel, M. Wielers, C. Wiglesworth, Daniel John Wilbern, H. G. Wilkens, Daniel Williams, Hugh Williams, Sarah Louise Williams, S. Willocq, Benjamin James Wilson, P. J. Windischhofer, Federico Winkel, B. T. Winter, J. K. Winter, Matthias Wittgen, Markus Wobisch, Z. Wolffs, Julian Wollrath, M. W. Wolter, H. Wolters, Alicia Wongel, S. D. Worm, B. K. Wosiek, K. W. Woźniak, S. Wozniewski, Kenneth Gibb Wraight, C. Wu, Jinfei Wu, M. Wu, Mengqing Wu, S. L. Wu, X. Wu, Zhibo Wu, Jonas Würzinger, S. Xella, Ligang Xia, M. Xia, J. Xiang, M. Xie, Xiangyu Xie, S. Xin, J. Xiong, Hao Xu, L. Xu, Riley Xu, T. Xu, Y. Xu, Zhongyukun Xu, B. Yabsley, S. Yacoob, Y. Yamaguchi, E. Yamashita, Hiroki Yamauchi, T. Yamazaki, Y. Yamazaki, Jun Yan, Siyuan Yan, Haijun Yang, H. Yang, S. Yang, T. Yang, Xiao Yang, Yifan Yang, Zhe Yang, Wei-Ming Yao, Y. C. Yap, H. Ye, H. Ye, Jingbo Ye, Shuwei Ye, Y. Yeh, I. Yeletskikh, Beom Ki Yeo, M. R. Yexley, P. Yin, K. Yorita, S. Younas, Charlie Young, Chengjun Yu, Y. Yu, M. Yuan, Rui Yuan, L. Yue, M. Zaazoua, B. Żabiński, E. Zaid, T. Zakareishvili, N. Zakharchuk, S. Zambito, J. A. Zamora Saa, J. Zang, D. Zanzi, O. Zaplatilek, C. Zeitnitz, H. Zeng, Jiancong Zeng, Todd Zenger, Oleg Zenin, T. Ženiš, S. Zenz, S. Zerradi, D. Zerwas, M. Zhai, B. Zhang, D. F. Zhang, Jie Zhang, J. Zhang, K. Zhang, Lei Zhang, Peng Zhang, R. Zhang, S. Zhang, T. Zhang, Xiangke Zhang, Yulei Zhang, Y. Zhang, Z. Zhang, Z. Zhang, H. Zhao, P. Zhao, T. Zhao, Y. B. Zhao, Zhengguo Zhao, A. Zhemchugov, J. Zheng, K. Zheng, X. Zheng, Z. Zheng, D. Zhong, B. Zhou, You Zhou, Chengguang Zhu, J. Zhu, Y. Zhu, Yingchun Zhu, X. Zhuang, K. Zhukov, V. Zhulanov, N. I. Zimine, J. Zinsser, Michal Ziolkowski, L. Živković, A. Zoccoli, K. Zoch, T. G. Zorbas, O. Zormpa, W. Zou, L. Zwalinski
Bibliographic record
VenuePhysics Letters B · 2023
Typepreprint
Languagelv
FieldPhysics and Astronomy
TopicParticle physics theoretical and experimental studies
Canadian institutionsUniversity of Toronto
FundersEuropean Social FundFundação para a Ciência e a TecnologiaInstitut National de Physique Nucléaire et de Physique des ParticulesAgencia Nacional de Promoción Científica y TecnológicaScience and Technology Facilities CouncilNatural Sciences and Engineering Research Council of CanadaNarodowa Agencja Wymiany AkademickiejCentre National pour la Recherche Scientifique et TechniqueCentre National de la Recherche ScientifiqueIsrael Science FoundationJapan Society for the Promotion of ScienceConselho Nacional de Desenvolvimento Científico e TecnológicoBundesministerium für Wissenschaft, Forschung und WirtschaftGeneralitat ValencianaAustrian Science FundEuropean Regional Development FundBundesministerium für Bildung und ForschungMinisterstvo Školství, Mládeže a TělovýchovyU.S. Department of EnergyNational Natural Science Foundation of ChinaFundação de Amparo à Pesquisa do Estado de São PauloH2020 Marie Skłodowska-Curie ActionsJavna Agencija za Raziskovalno Dejavnost RSSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen ForschungMinistry of Education, Culture, Sports, Science and TechnologyNederlandse Organisatie voor Wetenschappelijk OnderzoekAgence Nationale de la RechercheMinisterio de Ciencia e InnovaciónEuropean CommissionNational Science FoundationCompute CanadaMax-Planck-GesellschaftRoyal SocietyLeverhulme TrustDanmarks GrundforskningsfondAlexander von Humboldt-StiftungBritish Columbia Knowledge Development FundTürkiye Enerji, Nükleer ve Maden Araştırma KurumuAgencia Nacional de Investigación y DesarrolloGeneralitat de CatalunyaCanarieDeutsche ForschungsgemeinschaftCERNCentres de Recerca de Catalunya
KeywordsElectroweak interactionPhysicsAtlas (anatomy)Nuclear physicsParticle physicsPair productionAtlas detectorProduction (economics)Large Hadron ColliderMedicine
Abstract
This Letter presents the measurement of the fiducial and differential cross-sections of the electroweak production of a Zγ pair in association with two jets. The analysis uses 140 fb−1 of LHC proton–proton collision data taken at s=13 TeV recorded by the ATLAS detector during the years 2015–2018. Events with a Z boson candidate decaying into either an e+e− or μ+μ− pair, a photon and two jets are selected. The electroweak component is extracted by requiring a large dijet invariant mass and by using the information about the centrality of the system and is measured with an observed and expected significance well above five standard deviations. The fiducial pp→Zγjj cross-section for the electroweak production is measured to be 3.6 ± 0.5 fb. The total fiducial cross-section that also includes contributions where the jets arise from strong interactions is measured to be 16.8−1.8+2.0 fb. The results are consistent with the Standard Model predictions. Differential cross-sections are also measured using the same events and are compared with parton-shower Monte Carlo simulations. Good agreement is observed between data and predictions.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.001
Threshold uncertainty score0.005
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
Opus teacher head0.015
GPT teacher head0.234
Teacher spread0.219 · how far apart the two teachers sit on this one work
Validation status
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".
Quick stats
Citations3
Published2023
Admission routes2
Has abstractyes