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Measurement of charged particle multiplicity distributions in DIS at HERA and its implication to entanglement entropy of partons

H1 Collaboration V Andreev A Baghdasaryan A Baty K Begzsuren A Belousov A Bolz V. Boudry 1 G Brandt D Britzger A Buniatyan L Bystritskaya A Campbell K Avila K Cerny V Chekelian Z Chen J Contreras J Cvach J Dainton K Daum A Deshpande C Diaconu G Eckerlin S Egli E Elsen L Favart A Fedotov J Feltesse M Fleischer A Fomenko C Gal J Gayler L Goerlich N Gogitidze M Gouzevitch C Grab A Grebenyuk T Greenshaw G Grindhammer D Haidt R Henderson J Hladkỳ D Hoffmann 2 R Horisberger T Hreus F Huber M Jacquet 3 X Janssen A Jung H Jung M Kapichine J Katzy C Kiesling Matthieu Klein C Kleinwort R Kogler P Kostka J Kretzschmar D Krücker K Krüger M Landon W Lange P Laycock A Lebedev S Levonian K Lipka B List J List W Li B Lobodzinski E Malinovski H.-U Martyn S Maxfield A Mehta A Meyer H Meyer J Meyer S Mikocki M Mondal A Morozov K Müller Th Naumann P Newman C Niebuhr G Nowak J Olsson D Ozerov S Park C Pascaud 3 G Patel E Perez A Petrukhin I Picuric D Pitzl R Polifka V Radescu N Raicevic T Ravdandorj P Reimer E Rizvi P Robmann R Roosen A Rostovtsev M Rotaru D Sankey M Sauter E Sauvan 2, 4 S Schmitt B Schmookler L Schoeffel A Schöning F Sefkow S Shushkevich Y Soloviev P Sopicki D South V Spaskov Arnd Specka 1 M Steder B Stella U Straumann T Sykora P Thompson D Traynor P Truöl B Tseepeldorj Z Tu T Ullrich A Valkárová C Vallée 2 P van Mechelen D Wegener E Wünsch J Žáček J Zhang Z Zhang 3 R Žlebčík H Zohrabyan F Zomer 3
Abstract : Charged particle multiplicity distributions in positron-proton deep inelastic scattering at a centre-of-mass energy √ s = 319 GeV are measured. The data are collected with the H1 detector at HERA corresponding to an integrated luminosity of 136 pb −1. Charged particle multiplicities are measured as a function of photon virtuality Q 2 , inelasticity y and pseudorapidity η in the laboratory and the hadronic centre-of-mass frames. Predictions from different Monte Carlo models are compared to the data. The first and second moments of the multiplicity distributions are determined and the KNO scaling behaviour is investigated. The multiplicity distributions as a function of Q 2 and the Bjorken variable x bj are converted to the hadron entropy S hadron , and predictions from a quantum entanglement model are tested.
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https://hal.archives-ouvertes.fr/hal-03054562
Contributor : Arnd Specka <>
Submitted on : Friday, December 11, 2020 - 2:32:07 PM
Last modification on : Wednesday, April 14, 2021 - 2:00:04 PM
Long-term archiving on: : Friday, March 12, 2021 - 7:44:55 PM

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H1 Collaboration, V Andreev, A Baghdasaryan, A Baty, K Begzsuren, et al.. Measurement of charged particle multiplicity distributions in DIS at HERA and its implication to entanglement entropy of partons. 2020. ⟨hal-03054562⟩

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