Authors
Vardan Khachatryan, Albert M Sirunyan, Armen Tumasyan, Wolfgang Adam, E Asilar, Thomas Bergauer, Johannes Brandstetter, Erica Brondolin, Marko Dragicevic, Janos Erö, M Friedl, R Frühwirth, VM Ghete, C Hartl, N Hörmann, J Hrubec, M Jeitler, V Knünz, A König, M Krammer, I Krätschmer, D Liko, T Matsushita, I Mikulec, D Rabady, B Rahbaran, H Rohringer, J Schieck, R Schöfbeck, J Strauss, W Treberer-Treberspurg, W Waltenberger, C-E Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, S Alderweireldt, Tom Cornelis, EA De Wolf, X Janssen, A Knutsson, J Lauwers, S Luyckx, M Van De Klundert, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, S Abu Zeid, F Blekman, J D’Hondt, N Daci, I De Bruyn, K Deroover, N Heracleous, J Keaveney, S Lowette, L Moreels, A Olbrechts, Q Python, D Strom, S Tavernier, W Van Doninck, Petra Van Mulders, Gerrit Patrick Van Onsem, Isis Van Parijs, P Barria, H Brun, C Caillol, B Clerbaux, G De Lentdecker, G Fasanella, L Favart, A Grebenyuk, G Karapostoli, T Lenzi, A Léonard, T Maerschalk, A Marinov, L Perniè, A Randle-Conde, T Seva, C Vander Velde, R Yonamine, P Vanlaer, R Yonamine, F Zenoni, F Zhang, V Adler, K Beernaert, L Benucci, A Cimmino, S Crucy, D Dobur, A Fagot, G Garcia, M Gul, J Mccartin, AA Ocampo Rios, D Poyraz, D Ryckbosch, S Salva, M Sigamani, M Tytgat, W Van Driessche, E Yazgan, N Zaganidis, S Basegmez, C Beluffi, O Bondu, S Brochet, G Bruno, A Caudron, L Ceard, GG Da Silveira, C Delaere, D Favart, L Forthomme, A Giammanco, J Hollar, A Jafari, P Jez, M Komm, V Lemaitre, A Mertens, M Musich, C Nuttens, L Perrini, A Pin, K Piotrzkowski, A Popov, L Quertenmont, M Selvaggi, M Vidal Marono, N Beliy, GH Hammad, WL Aldá Júnior, FL Alves, GA Alves, L Brito, M Correa Martins Junior, M Hamer, C Hensel, A Moraes, ME Pol, P Rebello Teles, E Belchior Batista Das Chagas, W Carvalho, J Chinellato, A Custódio
Publication date
2016/3
Journal
The European Physical Journal C
Volume
76
Pages
1-52
Publisher
Springer Berlin Heidelberg
Description
New sets of parameters (“tunes”) for the underlying-event (UE) modelling of the pythia8, pythia6 and herwig++ Monte Carlo event generators are constructed using different parton distribution functions. Combined fits to CMS UE proton–proton () data at and to UE proton–antiproton () data from the CDF experiment at lower , are used to study the UE models and constrain their parameters, providing thereby improved predictions for proton–proton collisions at 13. In addition, it is investigated whether the values of the parameters obtained from fits to UE observables are consistent with the values determined from fitting observables sensitive to double-parton scattering processes. Finally, comparisons are presented of the UE tunes to “minimum bias” (MB) events, multijet, and Drell–Yan ( lepton-antilepton+jets) observables at 7 and 8, as well as predictions for MB and UE …
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