Influence of Short-Range Rapidity Correlations on Multiplicity Fluctuations

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Influence of Short-Range Rapidity Correlations on Multiplicity Fluctuations. / Vechernin, V. V.; Belokurova, S. N.

In: Physics of Particles and Nuclei Letters, Vol. 22, No. 1, 01.02.2025, p. 194-198.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{800832a9237e4d3892fa4f4f5bdd90a6,

title = "Influence of Short-Range Rapidity Correlations on Multiplicity Fluctuations",

abstract = "The influence of short-range rapidity correlations on the fluctuation of the number of charged particles in a given rapidity interval of observation is investigated. It is shown that for pp collisions at LHC energies, the fluctuations of the particle number from a given string cluster are, due to the presence of short-range correlations between particles, significantly larger than the Poisson ones. The value of the scaled and robust variance of the multiplicity for pp collisions is calculated at three initial energies: 0.9, 2.76, and 7 TeV, both with and without taking into account the processes of string fusion and formation of string clusters. A comparison with experimental data is performed and it is shown that the results obtained taking into account the formation of string clusters agree well with the experimental values, in contrast to the case where string fusion processes are not taken into account.",

author = "Vechernin, {V. V.} and Belokurova, {S. N.}",

year = "2025",

month = feb,

day = "1",

doi = "10.1134/s1547477124702091",

language = "English",

volume = "22",

pages = "194--198",

journal = "Physics of Particles and Nuclei Letters",

issn = "1547-4771",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "1",

}

RIS

TY - JOUR

T1 - Influence of Short-Range Rapidity Correlations on Multiplicity Fluctuations

AU - Vechernin, V. V.

AU - Belokurova, S. N.

PY - 2025/2/1

Y1 - 2025/2/1

N2 - The influence of short-range rapidity correlations on the fluctuation of the number of charged particles in a given rapidity interval of observation is investigated. It is shown that for pp collisions at LHC energies, the fluctuations of the particle number from a given string cluster are, due to the presence of short-range correlations between particles, significantly larger than the Poisson ones. The value of the scaled and robust variance of the multiplicity for pp collisions is calculated at three initial energies: 0.9, 2.76, and 7 TeV, both with and without taking into account the processes of string fusion and formation of string clusters. A comparison with experimental data is performed and it is shown that the results obtained taking into account the formation of string clusters agree well with the experimental values, in contrast to the case where string fusion processes are not taken into account.

AB - The influence of short-range rapidity correlations on the fluctuation of the number of charged particles in a given rapidity interval of observation is investigated. It is shown that for pp collisions at LHC energies, the fluctuations of the particle number from a given string cluster are, due to the presence of short-range correlations between particles, significantly larger than the Poisson ones. The value of the scaled and robust variance of the multiplicity for pp collisions is calculated at three initial energies: 0.9, 2.76, and 7 TeV, both with and without taking into account the processes of string fusion and formation of string clusters. A comparison with experimental data is performed and it is shown that the results obtained taking into account the formation of string clusters agree well with the experimental values, in contrast to the case where string fusion processes are not taken into account.

UR - https://www.mendeley.com/catalogue/7c643802-a099-3db2-82bd-f95613ddd847/

UR - https://www.elibrary.ru/item.asp?id=80670060

U2 - 10.1134/s1547477124702091

DO - 10.1134/s1547477124702091

M3 - Article

VL - 22

SP - 194

EP - 198

JO - Physics of Particles and Nuclei Letters

JF - Physics of Particles and Nuclei Letters

SN - 1547-4771

IS - 1

ER -

ID: 134753441