European Physical Journal C: Particles and Fields (Mar 2021)
Measurement of charged particle multiplicity distributions in DIS at HERA and its implication to entanglement entropy of partons
- V. Andreev,
- A. Baghdasaryan,
- A. Baty,
- K. Begzsuren,
- A. Belousov,
- A. Bolz,
- V. Boudry,
- G. Brandt,
- D. Britzger,
- A. Buniatyan,
- L. Bystritskaya,
- A. J. Campbell,
- K. B. Cantun Avila,
- K. Cerny,
- V. Chekelian,
- Z. Chen,
- J. G. Contreras,
- J. Cvach,
- J. B. 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. C. W. Henderson,
- J. Hladkỳ,
- D. Hoffmann,
- R. Horisberger,
- T. Hreus,
- F. Huber,
- M. Jacquet,
- X. Janssen,
- A. W. Jung,
- H. Jung,
- M. Kapichine,
- J. Katzy,
- C. Kiesling,
- M. Klein,
- C. Kleinwort,
- R. Kogler,
- P. Kostka,
- J. Kretzschmar,
- D. Krücker,
- K. Krüger,
- M. P. J. 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. J. Maxfield,
- A. Mehta,
- A. B. Meyer,
- H. Meyer,
- J. Meyer,
- S. Mikocki,
- M. M. Mondal,
- A. Morozov,
- K. Müller,
- Th. Naumann,
- P. R. Newman,
- C. Niebuhr,
- G. Nowak,
- J. E. Olsson,
- D. Ozerov,
- S. Park,
- C. Pascaud,
- G. D. 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. P. C. Sankey,
- M. Sauter,
- E. Sauvan,
- S. Schmitt,
- B. A. Schmookler,
- L. Schoeffel,
- A. Schöning,
- F. Sefkow,
- S. Shushkevich,
- Y. Soloviev,
- P. Sopicki,
- D. South,
- V. Spaskov,
- A. Specka,
- M. Steder,
- B. Stella,
- U. Straumann,
- T. Sykora,
- P. D. Thompson,
- D. Traynor,
- P. Truöl,
- B. Tseepeldorj,
- Z. Tu,
- T. Ullrich,
- A. Valkárová,
- C. Vallée,
- P. Van Mechelen,
- D. Wegener,
- E. Wünsch,
- J. Žáček,
- J. Zhang,
- Z. Zhang,
- R. Žlebčík,
- H. Zohrabyan,
- F. Zomer
Affiliations
- V. Andreev
- Lebedev Physical Institute
- A. Baghdasaryan
- Yerevan Physics Institute
- A. Baty
- Rice University
- K. Begzsuren
- Institute of Physics and Technology of the Mongolian Academy of Sciences
- A. Belousov
- Lebedev Physical Institute
- A. Bolz
- Physikalisches Institut, Universität Heidelberg
- V. Boudry
- LLR, Ecole Polytechnique, CNRS/IN2P3
- G. Brandt
- II. Physikalisches Institut, Universität Göttingen
- D. Britzger
- Max-Planck-Institut für Physik
- A. Buniatyan
- School of Physics and Astronomy, University of Birmingham
- L. Bystritskaya
- Institute for Theoretical and Experimental Physics
- A. J. Campbell
- DESY
- K. B. Cantun Avila
- Departamento de Fisica Aplicada, CINVESTAV
- K. Cerny
- Palackỳ University Olomouc
- V. Chekelian
- Max-Planck-Institut für Physik
- Z. Chen
- Shandong University
- J. G. Contreras
- Departamento de Fisica Aplicada, CINVESTAV
- J. Cvach
- Institute of Physics, Academy of Sciences of the Czech Republic
- J. B. Dainton
- Department of Physics, University of Liverpool
- K. Daum
- Fachbereich C, Universität Wuppertal
- A. Deshpande
- Stony Brook University
- C. Diaconu
- Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346
- G. Eckerlin
- DESY
- S. Egli
- Paul Scherrer Institut
- E. Elsen
- Now at CERN
- L. Favart
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen
- A. Fedotov
- Institute for Theoretical and Experimental Physics
- J. Feltesse
- Irfu/SPP, CE Saclay
- M. Fleischer
- DESY
- A. Fomenko
- Lebedev Physical Institute
- C. Gal
- Stony Brook University
- J. Gayler
- DESY
- L. Goerlich
- Institute of Nuclear Physics Polish Academy of Sciences
- N. Gogitidze
- Lebedev Physical Institute
- M. Gouzevitch
- Université Claude Bernard Lyon 1, CNRS/IN2P3
- C. Grab
- Institut für Teilchenphysik, ETH
- A. Grebenyuk
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen
- T. Greenshaw
- Department of Physics, University of Liverpool
- G. Grindhammer
- Max-Planck-Institut für Physik
- D. Haidt
- DESY
- R. C. W. Henderson
- Department of Physics, University of Lancaster
- J. Hladkỳ
- Institute of Physics, Academy of Sciences of the Czech Republic
- D. Hoffmann
- Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346
- R. Horisberger
- Paul Scherrer Institut
- T. Hreus
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen
- F. Huber
- Physikalisches Institut, Universität Heidelberg
- M. Jacquet
- LAL, Université Paris-Sud, CNRS/IN2P3
- X. Janssen
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen
- A. W. Jung
- Department of Physics and Astronomy, Purdue University
- H. Jung
- DESY
- M. Kapichine
- Joint Institute for Nuclear Research
- J. Katzy
- DESY
- C. Kiesling
- Max-Planck-Institut für Physik
- M. Klein
- Department of Physics, University of Liverpool
- C. Kleinwort
- DESY
- R. Kogler
- Institut für Experimentalphysik, Universität Hamburg
- P. Kostka
- Department of Physics, University of Liverpool
- J. Kretzschmar
- Department of Physics, University of Liverpool
- D. Krücker
- DESY
- K. Krüger
- DESY
- M. P. J. Landon
- School of Physics and Astronomy, Queen Mary, University of London
- W. Lange
- DESY
- P. Laycock
- Department of Physics, University of Liverpool
- A. Lebedev
- Lebedev Physical Institute
- S. Levonian
- DESY
- K. Lipka
- DESY
- B. List
- DESY
- J. List
- DESY
- W. Li
- Rice University
- B. Lobodzinski
- Max-Planck-Institut für Physik
- E. Malinovski
- Lebedev Physical Institute
- H.-U. Martyn
- I. Physikalisches Institut der RWTH
- S. J. Maxfield
- Department of Physics, University of Liverpool
- A. Mehta
- Department of Physics, University of Liverpool
- A. B. Meyer
- DESY
- H. Meyer
- Fachbereich C, Universität Wuppertal
- J. Meyer
- DESY
- S. Mikocki
- Institute of Nuclear Physics Polish Academy of Sciences
- M. M. Mondal
- Stony Brook University
- A. Morozov
- Joint Institute for Nuclear Research
- K. Müller
- Physik-Institut der Universität Zürich
- Th. Naumann
- DESY
- P. R. Newman
- School of Physics and Astronomy, University of Birmingham
- C. Niebuhr
- DESY
- G. Nowak
- Institute of Nuclear Physics Polish Academy of Sciences
- J. E. Olsson
- DESY
- D. Ozerov
- Paul Scherrer Institut
- S. Park
- Stony Brook University
- C. Pascaud
- LAL, Université Paris-Sud, CNRS/IN2P3
- G. D. Patel
- Department of Physics, University of Liverpool
- E. Perez
- Now at CERN
- A. Petrukhin
- Université Claude Bernard Lyon 1, CNRS/IN2P3
- I. Picuric
- Faculty of Science, University of Montenegro
- D. Pitzl
- DESY
- R. Polifka
- Faculty of Mathematics and Physics, Charles University
- V. Radescu
- Department of Physics, Oxford University
- N. Raicevic
- Faculty of Science, University of Montenegro
- T. Ravdandorj
- Institute of Physics and Technology of the Mongolian Academy of Sciences
- P. Reimer
- Institute of Physics, Academy of Sciences of the Czech Republic
- E. Rizvi
- School of Physics and Astronomy, Queen Mary, University of London
- P. Robmann
- Physik-Institut der Universität Zürich
- R. Roosen
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen
- A. Rostovtsev
- Now at Institute for Information Transmission Problems RAS
- M. Rotaru
- Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH)
- D. P. C. Sankey
- STFC, Rutherford Appleton Laboratory, Didcot
- M. Sauter
- Physikalisches Institut, Universität Heidelberg
- E. Sauvan
- Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346
- S. Schmitt
- DESY
- B. A. Schmookler
- Stony Brook University
- L. Schoeffel
- Irfu/SPP, CE Saclay
- A. Schöning
- Physikalisches Institut, Universität Heidelberg
- F. Sefkow
- DESY
- S. Shushkevich
- Now at Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics
- Y. Soloviev
- Lebedev Physical Institute
- P. Sopicki
- Institute of Nuclear Physics Polish Academy of Sciences
- D. South
- DESY
- V. Spaskov
- Joint Institute for Nuclear Research
- A. Specka
- LLR, Ecole Polytechnique, CNRS/IN2P3
- M. Steder
- DESY
- B. Stella
- Dipartimento di Fisica, Università di Roma Tre and INFN Roma 3
- U. Straumann
- Physik-Institut der Universität Zürich
- T. Sykora
- Faculty of Mathematics and Physics, Charles University
- P. D. Thompson
- School of Physics and Astronomy, University of Birmingham
- D. Traynor
- School of Physics and Astronomy, Queen Mary, University of London
- P. Truöl
- Physik-Institut der Universität Zürich
- B. Tseepeldorj
- Institute of Physics and Technology of the Mongolian Academy of Sciences
- Z. Tu
- Brookhaven National Laboratory, Upton
- T. Ullrich
- Brookhaven National Laboratory, Upton
- A. Valkárová
- Faculty of Mathematics and Physics, Charles University
- C. Vallée
- Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346
- P. Van Mechelen
- Inter-University Institute for High Energies ULB-VUB, Brussels and Universiteit Antwerpen
- D. Wegener
- Institut für Physik, TU Dortmund
- E. Wünsch
- DESY
- J. Žáček
- Faculty of Mathematics and Physics, Charles University
- J. Zhang
- Stony Brook University
- Z. Zhang
- LAL, Université Paris-Sud, CNRS/IN2P3
- R. Žlebčík
- DESY
- H. Zohrabyan
- Yerevan Physics Institute
- F. Zomer
- LAL, Université Paris-Sud, CNRS/IN2P3
- DOI
- https://doi.org/10.1140/epjc/s10052-021-08896-1
- Journal volume & issue
-
Vol. 81,
no. 3
pp. 1 – 46
Abstract
Abstract Charged particle multiplicity distributions in positron-proton deep inelastic scattering at a centre-of-mass energy $$\sqrt{s}=319$$ s = 319 GeV are measured. The data are collected with the H1 detector at HERA corresponding to an integrated luminosity of 136 pb $$^{-1}$$ - 1 . Charged particle multiplicities are measured as a function of photon virtuality $$Q^2$$ Q 2 , inelasticity y and pseudorapidity $$\eta $$ 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 $$Q^2$$ Q 2 and the Bjorken variable $$x_{\mathrm{bj}}$$ x bj are converted to the hadron entropy $$S_{\mathrm{hadron}}$$ S hadron , and predictions from a quantum entanglement model are tested.
