@article{3f75dd1311dc420586d225b7f221c3f6,
title = "Measurements of observables sensitive to colour reconnection in tt¯ events with the ATLAS detector at √s = 13 TeV",
abstract = "A measurement of observables sensitive to effects of colour reconnection in top-quark pair-production events is presented using 139 fb-1 of 13 TeV proton–proton collision data collected by the ATLAS detector at the LHC. Events are selected by requiring exactly one isolated electron and one isolated muon with opposite charge and two or three jets, where exactly two jets are required to be b-tagged. For the selected events, measurements are presented for the charged-particle multiplicity, the scalar sum of the transverse momenta of the charged particles, and the same scalar sum in bins of charged-particle multiplicity. These observables are unfolded to the stable-particle level, thereby correcting for migration effects due to finite detector resolution, acceptance and efficiency effects. The particle-level measurements are compared with different colour reconnection models in Monte Carlo generators. These measurements disfavour some of the colour reconnection models and provide inputs to future optimisation of the parameters in Monte Carlo generators.",
author = "{ATLAS Collaboration} and G. Aad and B. Abbott and Abbott, {D. C.} and K. Abeling and Abidi, {S. H.} and A. Aboulhorma and H. Abramowicz and H. Abreu and Y. Abulaiti and Hoffman, {A. C.Abusleme} and Acharya, {B. S.} and B. Achkar and Bourdarios, {C. Adam} and L. Adamczyk and L. Adamek and Addepalli, {S. V.} and J. Adelman and A. Adiguzel and S. Adorni and T. Adye and Affolder, {A. A.} and Y. Afik and Agaras, {M. N.} and J. Agarwala and A. Aggarwal and C. Agheorghiesei and Aguilar-Saavedra, {J. A.} and A. Ahmad and F. Ahmadov and Ahmed, {W. S.} and S. Ahuja and X. Ai and G. Aielli and I. Aizenberg and M. Akbiyik and {\AA}kesson, {T. P.A.} and Akimov, {A. V.} and Khoury, {K. Al} and Alberghi, {G. L.} and J. Albert and P. Albicocco and S. Alderweireldt and M. Aleksa and Aleksandrov, {I. N.} and C. Alexa and T. Alexopoulos and A. Alfonsi and F. Alfonsi and M. Alhroob and B. Ali and S. Ali and M. Aliev and G. Alimonti and W. Alkakhi and C. Allaire and Allbrooke, {B. M.M.} and Allport, {P. P.} and A. Aloisio and F. Alonso and C. Alpigiani and Camelia, {E. Alunno} and Estevez, {M. Alvarez} and Alviggi, {M. G.} and M. Aly and Coutinho, {Y. Amaral} and A. Ambler and C. Amelung and M. Amerl and Ames, {C. G.} and D. Amidei and Santos, {S. P.Amor Dos} and S. Amoroso and Amos, {K. R.} and V. Ananiev and C. Anastopoulos and T. Andeen and Anders, {J. K.} and Andrean, {S. Y.} and A. Andreazza and S. Angelidakis and A. Angerami and Anisenkov, {A. V.} and A. Annovi and C. Antel and Anthony, {M. T.} and E. Antipov and M. Antonelli and Antrim, {D. J.A.} and F. Anulli and M. Aoki and T. Aoki and Pozo, {J. A.Aparisi} and Aparo, {M. A.} and Bella, {L. Aperio} and C. Appelt and N. Aranzabal and Ferraz, {V. Araujo} and C. Arcangeletti and Arce, {A. T.H.} and E. Arena and Arguin, {J. F.} and S. Argyropoulos and Arling, {J. H.} and Armbruster, {A. J.} and O. Arnaez and H. Arnold and Tame, {Z. P.Arrubarrena} and G. Artoni and H. Asada and K. Asai and S. Asai and Asbah, {N. A.} and J. Assahsah and K. Assamagan and R. Astalos and Atkin, {R. J.} and M. Atkinson and Atlay, {N. B.} and H. Atmani and Atmasiddha, {P. A.} and K. Augsten and S. Auricchio and Auriol, {A. D.} and Austrup, {V. A.} and G. Avner and G. Avolio and K. Axiotis and Ayoub, {M. K.} and G. Azuelos and D. Babal and H. Bachacou and K. Bachas and A. Bachiu and F. Backman and A. Badea and P. Bagnaia and M. Bahmani and Bailey, {A. J.} and Bailey, {V. R.} and Baines, {J. T.} and C. Bakalis and Baker, {O. K.} and Bakker, {P. J.} and E. Bakos and Gupta, {D. Bakshi} and S. Balaji and R. Balasubramanian and Baldin, {E. M.} and P. Balek and E. Ballabene and F. Balli and Baltes, {L. M.} and Balunas, {W. K.} and J. Balz and E. Banas and M. Bandieramonte and A. Bandyopadhyay and S. Bansal and L. Barak and Barberio, {E. L.} and D. Barberis and M. Barbero and G. Barbour and Barends, {K. N.} and T. Barillari and Barisits, {M. S.} and T. Barklow and Barnett, {R. M.} and P. Baron and Moreno, {D. A.Baron} and A. Baroncelli and G. Barone and Barr, {A. J.} and Navarro, {L. Barranco} and F. Barreiro and {da Costa}, {J. Barreiro Guimar{\~a}es} and U. Barron and Teixeira, {M. G.Barros} and S. Barsov and F. Bartels and R. Bartoldus and Barton, {A. E.} and P. Bartos and A. Basalaev and A. Basan and M. Baselga and I. Bashta and A. Bassalat and Basso, {M. J.} and Basson, {C. R.} and Bates, {R. L.} and S. Batlamous and Batley, {J. R.} and B. Batool and M. Battaglia and D. Battulga and M. Bauce and P. Bauer and A. Bayirli and Beacham, {J. B.} and T. Beau and Beauchemin, {P. H.} and F. Becherer and P. Bechtle and Beck, {H. P.} and K. Becker and Beddall, {A. J.} and Bednyakov, {V. A.} and Bee, {C. P.} and Beemster, {L. J.} and Beermann, {T. A.} and M. Begalli and M. Begel and A. Behera and Behr, {J. K.} and {Da Cruz E Silva}, {C. Beirao} and Beirer, {J. F.} and F. Beisiegel and M. Belfkir and G. Bella and L. Bellagamba and A. Bellerive and P. Bellos and K. Beloborodov and K. Belotskiy and Belyaev, {N. L.} and D. Benchekroun and F. Bendebba and Y. Benhammou and Benjamin, {D. P.} and M. Benoit and Bensinger, {J. R.} and S. Bentvelsen and L. Beresford and M. Beretta and D. Berge and Kuutmann, {E. Bergeaas} and N. Berger and B. Bergmann and J. Beringer and S. Berlendis and G. Bernardi and C. Bernius and Bernlochner, {F. U.} and T. Berry and P. Berta and A. Berthold and Bertram, {I. A.} and S. Bethke and J. Shojaii",
note = "Copyright the Author(s) 2023. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.",
year = "2023",
month = jun,
doi = "10.1140/epjc/s10052-023-11479-x",
language = "English",
volume = "83",
pages = "1--52",
journal = "European Physical Journal C",
issn = "1434-6052",
publisher = "Springer, Springer Nature",
number = "6",
}