Large proton cumulants from the superposition of ordinary multiplicity distributions

Bzdak, Adam; Koch, Volker; Oliinychenko, Dmytro; Steinheimer, Jan

doi:10.1103/PhysRevC.98.054901

Title: Large proton cumulants from the superposition of ordinary multiplicity distributions

Journal Article · Thu Nov 15 00:00:00 EST 2018 · Physical Review C

DOI:https://doi.org/10.1103/PhysRevC.98.054901· OSTI ID:1477389

Bzdak, Adam ^[1]; Koch, Volker ^[2]; Oliinychenko, Dmytro ^[2]; Steinheimer, Jan ^[3]

AGH Univ. of Science and Technology, Kraków (Poland). Faculty of Physics and Applied Computer Science
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Nuclear Science Division
Frankfurt Inst. for Advanced Studies (Germany)

We construct here a multiplicity distribution characterized by large factorial cumulants (integrated correlation functions) from a simple combination of two ordinary multiplicity distributions characterized by small factorial cumulants. We find that such a model, which could be interpreted as representing two event classes, reproduces the preliminary data for the proton cumulants measured by the STAR collaboration at 7.7 GeV very well. This model then predicts very large values for the fifth and sixth order factorial cumulants, which can be tested in experiment.

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Research Organization:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); Ministry of Science and Higher Education (Poland); National Science Centre (Poland)

Grant/Contract Number:: AC02-05CH11231; 11.11.220.01/1; DEC-2014/15/B/ST2/00175

OSTI ID:: 1477389

Alternate ID(s):: OSTI ID: 1482282

Journal Information:: Physical Review C, Vol. 98, Issue 5; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 22 works

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