descriptionPublicationkeyboard_double_arrow_right Article , Research , Report , Other literature type , Preprint 18 Apr 2023Embargo end date: 01 Jan 2022 English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,023 (eissn: 1029-8479,

Authors: Aad, Georges; Abbott, Braden Keim; Abbott, D. C.; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Haider; +193 Authors

Aad, Georges; Abbott, Braden Keim; Abbott, D. C.; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Haider; Aboulhorma, Asmaa; Abramowicz, Halina; Abreu, Henso; Abulaiti, Yiming; Abusleme Hoffman, A. C.; Acharya, Bobby Samir; Achkar, Baida; Adam, Lennart; Adam Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Addepalli, Sagar; Adelman, Jahred; Adiguzel, Aytul; Adorni Braccesi Chiassi, Sofia; Adye, Tim; Affolder, Tony; Affolder, A. A.; Afik, Yoav; Agapopoulou, Christina; Agaras, Merve Nazlim; Agarwala, Jinky; Aggarwal, Anamika; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; Ahmad, Ammara; Ahmadov, Faig; Ahmed, Waleed Syed; Ai, Xiaocong; Aielli, Giulio; Aizenberg, Iakov; Akatsuka, Shunichi; Akbiyik, Melike; Åkesson, T. P. A.; Akimov, Andrei; Al Khoury, Konie; Alberghi, Gian Luigi; Albert, Justin; Albicocco, Pietro; Alconada Verzini, M. J.; Alderweireldt, Sara; Aleksa, Martin; Aleksandrov, I. N.; Alexa, Calin; Alexopoulos, Theodoros; Alfonsi, Alice; Alfonsi, Fabrizio; Alhroob, Muhammad; Ali, Babar; Ali, Shahzad; Aliev, Malik; Alimonti, Gianluca; Allaire, Corentin; Allbrooke, Benedict; Allport, Philip Patrick; Aloisio, Alberto; Alonso, Francisco; Alpigiani, Cristiano; Alunno Camelia, Elio; Alvarez Estevez, Manuel; Alviggi, Mariagrazia; Do Amaral Coutinho, Yara; Ambler, Alessandro; Ambroz, Luca; Amelung, Christoph; Amidei, Dante; Amor Dos Santos, Susana Patricia; Amoroso, Simone; Amos, Kieran Robert; Amrouche, Cherifa Sabrina; Ananiev, Viktor; Anastopoulos, Christos; Andari, Nansi; Andeen, Timothy Robert; Anders, John Kenneth; Andrean, Stefio Yosse; Andreazza, Attilio; Angelidakis, Stylianos; Angerami, Aaron; Anisenkov, Alexey; Annovi, Alberto; Antel, Claire; Anthony, Matthew Thomas; Antipov, Egor; Antonelli, Mario; Antrim, Daniel Joseph; Anulli, Fabio; Aoki, Masato; Aparisi Pozo, Javier Alberto; Aparo, Marco; Aperio Bella, Ludovica; Aranzabal Barrio, Nordin; Araujo Ferraz, Victor; Arcangeletti, Chiara; Arce, Ayana Tamu; Arena, Eloisa; Arguin, Jean-Francois; Argyropoulos, Spyros; Arling, Jan-Hendrik; Armbruster, Aaron James; Armstrong, Alexander; Arnaez, Olivier; Arnold, Hannah; Arrubarrena Tame, Zulit Paola; Artoni, Giacomo; Asada, Haruka; Asai, Kanae; Asai, Shoji; Asbah, Nedaa Alexandra; Asimakopoulou, Eleni Myrto; Asquith, Lily; Assahsah, Jihad; Assamagan, Ketevi Adikle; Astalos, Robert; Atkin, Ryan Justin; Atkinson, Markus Julian; Atlay, Naim Bora; Atmani, Hicham; Atmasiddha, Prachi; Augsten, Kamil; Auricchio, Silvia; Austrup, Volker Andreas; Avner, Gal; Avolio, Giuseppe; Ayoub, Mohamad Kassem; Azuelos, Georges; Babal, Dominik; Bachacou, Henri; Bachas, Konstantinos; Bachiu, Alexander; Backman, Karl Filip; Badea, Anthony; Bagnaia, Paolo; Bahmani, Marzieh; Bahrasemani, Sina; Bahrasemani, H.; Bailey, A. J.; Bailey, Virginia; Baines, J. T.; Bakalis, Christos; Baker, Keith; Bakker, Pepijn Johannes; Bakos, Evelin; Bakshi Gupta, Debottam; Balaji, Shyam; Balasubramanian, Rahul; Baldin, Evgenii; Balek, Petr; Ballabene, Eric; Balli, Fabrice; Baltes, Lisa Marie; Balunas, William Keaton; Balz, Johannes; Banas, Elzbieta; Bandieramonte, Marilena; Bandyopadhyay, Anjishnu; Bansal, Shubham; Barak, Liron; Barberio, Elisabetta; Barberis, Dario; Barbero, Marlon Benoit; Barbour, Gregory; Barends, Kevin Nicholas; Barillari, Teresa; Barisits, Martin; Barkeloo, Jason Tyler Colt; Barklow, Tim; Barnett, Bruce M.; Barnett, Michael; Baroncelli, Toni; Baroncelli, A.; Barone, Gaetano; Barr, A. J.; Barranco Navarro, Laura; Barreiro Alonso, Fernando; Barreiro Guimaraes Da Costa, Joao; Barron, Uriel; Barsov, Sergey; Bartels, Falk; Bartoldus, Rainer; Bartolini, Giovanni; Barton, Adam Edward; Bartos, Pavol; Basalaev, Artem; Basan, Alexander; Baselga Bacardit, Marta; Bashta, Inna; Bassalat, Ahmed; Basso, Matthew Joseph; Basson, Candice Ruth; Bates, Richard; Batlamous, Souad; Batley, Richard;

doi: 10.1007/jhep04(2023)080 , 10.3204/pubdb-2022-07163 , 10.3204/pubdb-2023-04873 , 10.48550/arxiv.2205.02817 , 10.3204/pubdb-2021-05281 , 10.14288/1.0438354

arXiv: http://arxiv.org/abs/2205.02817

Differential $$ t\overline{t} $$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb−1 of ATLAS data

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Abstract

Abstract Measurements of single-, double-, and triple-differential cross-sections are presented for boosted top-quark pair-production in 13 TeV proton–proton collisions recorded by the ATLAS detector at the LHC. The top quarks are observed through their hadronic decay and reconstructed as large-radius jets with the leading jet having transverse momentum (pT) greater than 500 GeV. The observed data are unfolded to remove detector effects. The particle-level cross-section, multiplied by the $$ t\overline{t}\to WWb\overline{b} $$ t t ¯ → WWb b ¯ branching fraction and measured in a fiducial phase space defined by requiring the leading and second-leading jets to have pT> 500 GeV and pT> 350 GeV, respectively, is 331 ± 3(stat.) ± 39(syst.) fb. This is approximately 20% lower than the prediction of $$ {398}_{-49}^{+48} $$ 398 − 49 + 48 fb by Powheg+Pythia 8 with next-to-leading-order (NLO) accuracy but consistent within the theoretical uncertainties. Results are also presented at the parton level, where the effects of top-quark decay, parton showering, and hadronization are removed such that they can be compared with fixed-order next-to-next-to-leading-order (NNLO) calculations. The parton-level cross-section, measured in a fiducial phase space similar to that at particle level, is 1.94 ± 0.02(stat.) ± 0.25(syst.) pb. This agrees with the NNLO prediction of $$ {1.96}_{-0.17}^{+0.02} $$ 1.96 − 0.17 + 0.02 pb. Reasonable agreement with the differential cross-sections is found for most NLO models, while the NNLO calculations are generally in better agreement with the data. The differential cross-sections are interpreted using a Standard Model effective field-theory formalism and limits are set on Wilson coefficients of several four-fermion operators.

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Keywords

Final state: ((n)jet), final state: ((n)jet), 13000 GeV-cms, QC770-798, Atomic, rapidity dependence, Subatomär fysik, Particle and Plasma Physics, effective field theory, info:eu-repo/classification/ddc/530, Perturbation theory: higher-order, Particle physics, perturbation theory: higher-order, top: hadronic decay, Differential cross section: measured, Quantum chromodynamics: perturbation theory, Settore FIS/01 - FISICA SPERIMENTALE, Nuclear and plasma physics, angular dependence, top: effect, Top: hadronic decay, CERN LHC Coll, Top physics, Particle and high energy physics, Mathematical physics, Physical Sciences, Transverse momentum dependence, Higher-order: 1, Higher-order: 2, numerical calculations: Monte Carlo, top: pair production, 51 Physical Sciences, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], PAIR PRODUCTION, Phase space, Angular dependence, phase space, Jet Substructure and Boosted Jet, High Energy Physics, Hadron-Hadron Scattering, P p: colliding beams, 500, Molecular, Top: decay, jet: transverse momentum: high, Experimental High Energy Physics, 49 Mathematical Sciences, Top: effect, p p: colliding beams, hadronization, 4902 Mathematical Physics, top physics, transverse momentum dependence, Mathematical Sciences, 510, High Energy Physics - Experiment, top: decay, High Energy Physics - Experiment (hep-ex), Subatomic Physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], parton, PLUS PLUS, Mathematical Physics, hadron-hadron scattering, Hadron-Hadron Scattering; Jet Substructure and Boosted Jets; Top Physics;, Quantum Physics, higher-order: 2, Wilson, Momentum dependence, higher-order: 1, Particle and High Energy Physics, Top Physics, ATLAS, Nuclear and Plasma Physics, Nuclear & Particles Physics, Parton: showers, P p: scattering, Hadron-Hadron Scattering , Jet Substructure and Boosted Jets, Top Physics, Top: boosted particle, 5107 Particle and High Energy Physics, Hadron-Hadron Scattering; Jet Substructure and Boosted Jets; Top Physics, jet substructure and boosted jets, Effective field theory, FOS: Physical sciences, momentum dependence, 530, parton: showers, Top: branching ratio, differential cross section: measured, Nuclear and particle physics. Atomic energy. Radioactivity, 539, Jet Substructure And Boosted Jets, Nuclear, Experimental results, High energy physics, Top: pair production, quantum chromodynamics: perturbation theory, top: transverse momentum, background, Jet: transverse momentum: high, Matemática física y química, PARTON DISTRIBUTIONS, 5106 Nuclear and Plasma Physics, Jet Substructure and Boosted Jets, top: branching ratio, 500.2, Hadronization, top: boosted particle, experimental results

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Differential $$ t\overline{t} $$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb−1 of ATLAS data

Differential $$ t\overline{t} $$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb−1 of ATLAS data

999 Research products, page 1 of 100

"Table 116" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"

"Table 967" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"

"Table 773" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"

"Table 175" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"

"Table 837" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"

"Table 492" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"

"Table 630" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"

"Table 214" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"

"Table 444" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"

"Table 471" of "Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data"