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CMS PYTHIA 8 colour reconnection tunes based on underlying-event data

Tumasyan, A. (ORCID:0009000006846742)·Adam, W. (ORCID:0000000190994341)·Andrejkovic, J. W.·Bergauer, T. (ORCID:0000000257860293)·Chatterjee, S. (ORCID:0000000326600349)·Damanakis, K. (ORCID:0000000153892872)·Dragicevic, M. (ORCID:0000000319676783)·Valle, A. Del (ORCID:0000000297026359)·Frühwirth, R. (ORCID:0000000200543369)·Jeitler, M. (ORCID:0000000251419560)·Krammer, N. (ORCID:0000000205480985)·Lechner, L. (ORCID:0000000230651141)·Liko, D. (ORCID:000000023380473X)·Mikulec, I. (ORCID:0000000303852746)·Paulitsch, P.·Pitters, F. M.·Schieck, J. (ORCID:0000000210588093)·Schöfbeck, R. (ORCID:0000000223328784)·Schwarz, D. (ORCID:0000000238217331)·Templ, S. (ORCID:0000000331375692)·Waltenberger, W. (ORCID:0000000262157228)·Wulz, C. -E. (ORCID:0000000192265812)·Darwish, M. R. (ORCID:0000000328942377)·De Wolf, E. A.·Janssen, T. (ORCID:0000000239984081)·Kello, T.·Lelek, A. (ORCID:0000000158622775)·Sfar, H. Rejeb·Mechelen, P. Van (ORCID:0000000287319051)·Putte, S. Van (ORCID:0000000315593606)·Remortel, N. Van (ORCID:0000000341808199)·Bols, E. S. (ORCID:0000000285648732)·D’Hondt, J. (ORCID:0000000295986241)·Delcourt, M. (ORCID:0000000182061787)·Faham, H. El (ORCID:0000000188942390)·Lowette, S. (ORCID:0000000339849987)·Moortgat, S. (ORCID:0000000266123420)·Morton, A. (ORCID:0000000299193492)·Müller, D. (ORCID:0000000217524527)·Sahasransu, A. R. (ORCID:0000000315051743)·Tavernier, S. (ORCID:0000000267929522)·Doninck, W. Van·Vannerom, D. (ORCID:0000000227475095)·Beghin, D.·Bilin, B. (ORCID:0000000314397128)·Clerbaux, B. (ORCID:0000000185478211)·De Lentdecker, G. (ORCID:0000000151247693)·Favart, L. (ORCID:0000000316457454)·Kalsi, A. K. (ORCID:0000000262150894)·Lee, K. (ORCID:0000000308084184)·Mahdavikhorrami, M. (ORCID:0000000282653595)·Makarenko, I. (ORCID:0000000285534508)·Moureaux, L. (ORCID:0000000223109266)·Paredes, S. (ORCID:0000000184879603)·Pétré, L. (ORCID:0009000079795771)·Popov, A. (ORCID:0000000212070984)·Postiau, N.·Starling, E. (ORCID:0000000243997213)·Thomas, L. (ORCID:0000000227563853)·Bemden, M. Vanden·Velde, C. Vander (ORCID:0000000333927294)·Vanlaer, P. (ORCID:0000000279314496)·Cornelis, T. (ORCID:0000000195025363)·Dobur, D. (ORCID:0000000300124866)·Knolle, J. (ORCID:0000000247815704)·Lambrecht, L. (ORCID:0000000191081560)·Mestdach, G.·Niedziela, M. (ORCID:0000000157452567)·Rendón, C.·Roskas, C. (ORCID:000000026469959X)·Samalan, A.·Skovpen, K. (ORCID:0000000211600621)·Tytgat, M. (ORCID:0000000239902074)·Vermassen, B.·Wezenbeek, L. (ORCID:000000016952891X)·Benecke, A. (ORCID:0000000302523609)·Bethani, A. (ORCID:0000000281507043)·Bruno, G. (ORCID:0000000188578197)·Bury, F. (ORCID:0000000230772090)·Caputo, C. (ORCID:0000000175224808)·David, P. (ORCID:0000000192609371)·Delaere, C. (ORCID:0000000187076021)·Donertas, I. S. (ORCID:000000017485412X)·Giammanco, A. (ORCID:0000000196408294)·Jaffel, K. (ORCID:0000000174194248)·Jain, Sa (ORCID:0000000150783689)·Lemaitre, V.·Mondal, K. (ORCID:0000000159671245)·Prisciandaro, J.·Taliercio, A. (ORCID:0000000251196280)·Teklishyn, M. (ORCID:0000000285069714)·Tran, T. T. (ORCID:000000033060350X)·Vischia, P. (ORCID:0000000270888557)·Wertz, S. (ORCID:0000000286453670)·Alves, G. A. (ORCID:0000000283691446)·Hensel, C. (ORCID:0000000188747624)·Moraes, A. (ORCID:0000000251575686)·Teles, P. Rebello (ORCID:0000000190298506)·Júnior, W. Aldá (ORCID:0000000158559817)·Pereira, M. Gallo (ORCID:0000000342967028)
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Abstract

New sets of parameter tunes for two of the colour reconnection models, quantum chromodynamics-inspired and gluon-move, implemented in the PYTHIA 8 event generator, are obtained based on the default CMS PYTHIA 8 underlying-event tune, CP5. Measurements sensitive to the underlying event performed by the CMS experiment at centre-of-mass energies $\sqrt{s}=$7 and 13 TeV, and by the CDF experiment at 1.96 TeV are used to constrain the parameters of colour reconnection models and multiple-parton interactions simultaneously. The new colour reconnection tunes are compared with various measurements at 1.96, 7, 8, and 13 TeV including measurements of the underlying-event, strange-particle multiplicities, jet substructure observables, jet shapes, and colour flow in top quark pair ($t\bar{t}$) events. The new tunes are also used to estimate the uncertainty related to colour reconnection modelling in the top quark mass measurement using the decay products of $t\bar{t}$ events in the semileptonic channel at 13 TeV .

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BibTeXRIS

Tumasyan, A. (ORCID:0009000006846742), Adam, W. (ORCID:0000000190994341), Andrejkovic, J. W., Bergauer, T. (ORCID:0000000257860293), Chatterjee, S. (ORCID:0000000326600349), Damanakis, K. (ORCID:0000000153892872), Dragicevic, M. (ORCID:0000000319676783), Valle, A. Del (ORCID:0000000297026359), Frühwirth, R. (ORCID:0000000200543369), Jeitler, M. (ORCID:0000000251419560), Krammer, N. (ORCID:0000000205480985), Lechner, L. (ORCID:0000000230651141), Liko, D. (ORCID:000000023380473X), Mikulec, I. (ORCID:0000000303852746), Paulitsch, P., Pitters, F. M., Schieck, J. (ORCID:0000000210588093), Schöfbeck, R. (ORCID:0000000223328784), Schwarz, D. (ORCID:0000000238217331), Templ, S. (ORCID:0000000331375692), Waltenberger, W. (ORCID:0000000262157228), Wulz, C. -E. (ORCID:0000000192265812), Darwish, M. R. (ORCID:0000000328942377), De Wolf, E. A., Janssen, T. (ORCID:0000000239984081), Kello, T., Lelek, A. (ORCID:0000000158622775), Sfar, H. Rejeb, Mechelen, P. Van (ORCID:0000000287319051), Putte, S. Van (ORCID:0000000315593606), Remortel, N. Van (ORCID:0000000341808199), Bols, E. S. (ORCID:0000000285648732), D’Hondt, J. (ORCID:0000000295986241), Delcourt, M. (ORCID:0000000182061787), Faham, H. El (ORCID:0000000188942390), Lowette, S. (ORCID:0000000339849987), Moortgat, S. (ORCID:0000000266123420), Morton, A. (ORCID:0000000299193492), Müller, D. (ORCID:0000000217524527), Sahasransu, A. R. (ORCID:0000000315051743), Tavernier, S. (ORCID:0000000267929522), Doninck, W. Van, Vannerom, D. (ORCID:0000000227475095), Beghin, D., Bilin, B. (ORCID:0000000314397128), Clerbaux, B. (ORCID:0000000185478211), De Lentdecker, G. (ORCID:0000000151247693), Favart, L. (ORCID:0000000316457454), Kalsi, A. K. (ORCID:0000000262150894), Lee, K. (ORCID:0000000308084184), Mahdavikhorrami, M. (ORCID:0000000282653595), Makarenko, I. (ORCID:0000000285534508), Moureaux, L. (ORCID:0000000223109266), Paredes, S. (ORCID:0000000184879603), Pétré, L. (ORCID:0009000079795771), Popov, A. (ORCID:0000000212070984), Postiau, N., Starling, E. (ORCID:0000000243997213), Thomas, L. (ORCID:0000000227563853), Bemden, M. Vanden, Velde, C. Vander (ORCID:0000000333927294), Vanlaer, P. (ORCID:0000000279314496), Cornelis, T. (ORCID:0000000195025363), Dobur, D. (ORCID:0000000300124866), Knolle, J. (ORCID:0000000247815704), Lambrecht, L. (ORCID:0000000191081560), Mestdach, G., Niedziela, M. (ORCID:0000000157452567), Rendón, C., Roskas, C. (ORCID:000000026469959X), Samalan, A., Skovpen, K. (ORCID:0000000211600621), Tytgat, M. (ORCID:0000000239902074), Vermassen, B., Wezenbeek, L. (ORCID:000000016952891X), Benecke, A. (ORCID:0000000302523609), Bethani, A. (ORCID:0000000281507043), Bruno, G. (ORCID:0000000188578197), Bury, F. (ORCID:0000000230772090), Caputo, C. (ORCID:0000000175224808), David, P. (ORCID:0000000192609371), Delaere, C. (ORCID:0000000187076021), Donertas, I. S. (ORCID:000000017485412X), Giammanco, A. (ORCID:0000000196408294), Jaffel, K. (ORCID:0000000174194248), Jain, Sa (ORCID:0000000150783689), Lemaitre, V., Mondal, K. (ORCID:0000000159671245), Prisciandaro, J., Taliercio, A. (ORCID:0000000251196280), Teklishyn, M. (ORCID:0000000285069714), Tran, T. T. (ORCID:000000033060350X), Vischia, P. (ORCID:0000000270888557), Wertz, S. (ORCID:0000000286453670), Alves, G. A. (ORCID:0000000283691446), Hensel, C. (ORCID:0000000188747624), Moraes, A. (ORCID:0000000251575686), Teles, P. Rebello (ORCID:0000000190298506), Júnior, W. Aldá (ORCID:0000000158559817), Pereira, M. Gallo (ORCID:0000000342967028). 2023-07-10. CMS PYTHIA 8 colour reconnection tunes based on underlying-event data. https://doi.org/10.1140/epjc%2Fs10052-023-11630-8

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