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Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector
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Author
Aad, G.Abbott, B.
Abeling, K.
Abicht, N.J.
Abidi, S.H.
Aboulhorma, A.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B.S.
Adam, Bourdarios, C.
Adamczyk, L.
Addepalli, S.V.
Addison, M.J.
Adelman, J.
Adiguzel, A.
Adye, T.
Affolder, A.A.
Afik, Y.
Agaras, M.N.
Agarwala, J.
Aggarwal, A.
Agheorghiesei, C.
Ahmad, A.
Ahmadov, F.
Ahmed, W.S.
Ahuja, S.
Ai, X.
Aielli, G.
Aikot, A.
Ait, Tamlihat, M.
Aitbenchikh, B.
Aizenberg, I.
Akbiyik, M.
Åkesson, T.P.A.
Akimov, A.V.
Akiyama, D.
Akolkar, N.N.
Aktas, S.
Al, Khoury, K.
Alberghi, G.L.
Albert, J.
Albicocco, P.
Albouy, G.L.
Alderweireldt, S.
Alegria, Z.L.
Aleksa, M.
Aleksandrov, I.N.
Alexa, C.
Alexopoulos, T.
Alfonsi, F.
Algren, M.
Alhroob, M.
Ali, B.
Ali, H.M.J.
Ali, S.
Alibocus, S.W.
Aliev, M.
Alimonti, G.
Alkakhi, W.
Allaire, C.
Allbrooke, B.M.M.
Allen, J.F.
Allendes, Flores, C.A.
Allport, P.P.
Aloisio, A.
Alonso, F.
Alpigiani, C.
Alvarez, Estevez, M.
Alvarez, Fernandez, A.
Alves, Cardoso, M.
Alviggi, M.G.
Aly, M.
Amaral, Coutinho, Y.
Ambler, A.
Amelung, C.
Amerl, M.
Ames, C.G.
Amidei, D.
Amor, Dos, Santos, S.P.
Amos, K.R.
Ananiev, V.
Anastopoulos, C.
Andeen, T.
Anders, J.K.
Andrean, S.Y.
Andreazza, A.
Angelidakis, S.
Angerami, A.
Anisenkov, A.V.
Annovi, A.
Antel, C.
Anthony, M.T.
Antipov, E.
Antonelli, M.
Anulli, F.
Aoki, M.
Aoki, T.
Aparisi, Pozo, J.A.
Aparo, M.A.
Aperio, Bella, L.
Appelt, C.
Apyan, A.
Aranzabal, N.
Arbiol, Val, S.J.
Arcangeletti, C.
Arce, A.T.H.
Arena, E.
Arguin, J.-F.
Argyropoulos, S.
Arling, J.-H.
Arnaez, O.
Arnold, H.
Artoni, G.
Asada, H.
Asai, K.
Asai, S.
Asbah, N.A.
Assahsah, J.
Assamagan, K.
Astalos, R.
Atashi, S.
Atkin, R.J.
Atkinson, M.
Atmani, H.
Atmasiddha, P.A.
Augsten, K.
Auricchio, S.
Auriol, A.D.
Austrup, V.A.
Avolio, G.
Axiotis, K.
Azuelos, G.
Babal, D.
Bachacou, H.
Bachas, K.
Bachiu, A.
Backman, F.
Badea, A.
Baer, T.M.
Bagnaia, P.
Bahmani, M.
Bahner, D.
Bailey, A.J.
Bailey, V.R.
Baines, J.T.
Baines, L.
Baker, O.K.
Bakos, E.
Bakshi, Gupta, D.
Balakrishnan, V.
Balasubramanian, R.
Baldin, E.M.
Balek, P.
Ballabene, E.
Balli, F.
Baltes, L.M.
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Balz, J.
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Bandyopadhyay, A.
Bansal, S.
Barak, L.
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Barberis, D.
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Barillari, T.
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Barr, J.D.
Barranco, Navarro, L.
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Barsov, S.
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Bartoldus, R.
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Bartos, P.
Basan, A.
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Beacham, J.B.
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Beaucamp, J.Y.
Beauchemin, P.H.
Becherer, F.
Bechtle, P.
Beck, H.P.
Becker, K.
Beddall, A.J.
Bednyakov, V.A.
Bee, C.P.
Beemster, L.J.
Beermann, T.A.
Begalli, M.
Begel, M.
Behera, A.
Behr, J.K.
Beirer, J.F.
Beisiegel, F.
Belfkir, M.
Bella, G.
Bellagamba, L.
Bellerive, A.
Bellos, P.
Beloborodov, K.
Benchekroun, D.
Bendebba, F.
Benhammou, Y.
Benoit, M.
Bensinger, J.R.
Bentvelsen, S.
Beresford, L.
Beretta, M.
Bergeaas, Kuutmann, E.
Berger, N.
Bergmann, B.
Beringer, J.
Bernardi, G.
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Bernon, F.
Berrocal, Guardia, A.
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Berta, P.
Berthold, A.
Bertram, I.A.
Bethke, S.
Betti, A.
Bevan, A.J.
Bhalla, N.K.
Bhamjee, M.
Bhatta, S.
Bhattacharya, D.S.
Bhattarai, P.
Bhopatkar, V.S.
Bi, R.
Bianchi, R.M.
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Bielski, R.
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Bobrovnikov, V.S.
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Affiliation
Department of Physics, University of Arizona,Issue Date
2023-12-07
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Elsevier B.V.Citation
Aad, G., Abbott, B., Abeling, K., Abicht, N. J., Abidi, S. H., Aboulhorma, A., ... & Gupta, D. B. (2024). Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s= 13.6 TeV with the ATLAS detector. Physics Letters B, 848, 138376.Rights
© 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
The inclusive top-quark-pair production cross section σtt¯ and its ratio to the Z-boson production cross section have been measured in proton–proton collisions at s=13.6 TeV, using 29 fb−1 of data collected in 2022 with the ATLAS experiment at the Large Hadron Collider. Using events with an opposite-charge electron-muon pair and b-tagged jets, and assuming Standard Model decays, the top-quark-pair production cross section is measured to be σtt¯=850±3(stat.)±18(syst.)±20(lumi.) pb. The ratio of the tt¯ and the Z-boson production cross sections is also measured, where the Z-boson contribution is determined for inclusive e+e− and μ+μ− events in a fiducial phase space. The relative uncertainty on the ratio is reduced compared to the tt¯ cross section, thanks to the cancellation of several systematic uncertainties. The result for the ratio, Rtt¯/Z=1.145±0.003(stat.)±0.021(syst.)±0.002(lumi.) is consistent with the Standard Model prediction using the PDF4LHC21 PDF set. © 2023 The Author(s)Note
Open access journalISSN
0370-2693Version
Final Published Versionae974a485f413a2113503eed53cd6c53
10.1016/j.physletb.2023.138376
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Except where otherwise noted, this item's license is described as © 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license.