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Charged-particle multiplicity distributions over a wide pseudorapidity range in p–Pb collisions at sNN=5.02 TeV.

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Title: Charged-particle multiplicity distributions over a wide pseudorapidity range in p–Pb collisions at sNN=5.02 TeV.
Authors: Acharya, S.1 (AUTHOR), Agarwal, A.2 (AUTHOR), Rinella, G. Aglieri3 (AUTHOR), Aglietta, L.4 (AUTHOR), Agnello, M.5 (AUTHOR), Agrawal, N.6 (AUTHOR), Ahammed, Z.2 (AUTHOR), Ahmad, S.7 (AUTHOR), Ahn, S. U.8 (AUTHOR), Ahuja, I.9 (AUTHOR), Akindinov, A.10 (AUTHOR), Akishina, V.11 (AUTHOR), Al-Turany, M.12 (AUTHOR), Aleksandrov, D.10 (AUTHOR), Alessandro, B.13 (AUTHOR), Alfanda, H. M.14 (AUTHOR), Molina, R. Alfaro15 (AUTHOR), Ali, B.7 (AUTHOR), Alici, A.6 (AUTHOR), Alizadehvandchali, N.16 (AUTHOR)
Source: European Physical Journal C -- Particles & Fields. Aug2025, Vol. 85 Issue 8, p1-20. 20p.
Subjects: Negative binomial distribution, Collisions (Nuclear physics), Nucleon-nucleon interactions, Proton-proton interactions, Ions, Scientific experimentation
Abstract: This paper presents the primary charged-particle multiplicity distributions in proton–lead collisions at a centre-of-mass energy per nucleon–nucleon collision of s NN = 5.02 TeV. The distributions are reported for non-single diffractive collisions in different pseudorapidity ranges. The measurements are performed using the combined information from the Silicon Pixel Detector and the Forward Multiplicity Detector of ALICE. The multiplicity distributions are parametrised with a double negative binomial distribution function which provides satisfactory descriptions of the distributions for all the studied pseudorapidity intervals. The data are compared to models and analysed quantitatively, evaluating the first four moments (mean, standard deviation, skewness, and kurtosis). The shape evolution of the measured multiplicity distributions is studied in terms of KNO variables and it is found that none of the considered models reproduces the measurements. This paper also reports on the average charged-particle multiplicity, normalised by the average number of participating nucleon pairs, as a function of the collision energy. The multiplicity results are then compared to measurements made in proton–proton and nucleus–nucleus collisions across a wide range of collision energies. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Charged-particle multiplicity distributions over a wide pseudorapidity range in p–Pb collisions at sNN=5.02 TeV.
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. Aug2025, Vol. 85 Issue 8, p1-20. 20p.
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  Data: This paper presents the primary charged-particle multiplicity distributions in proton–lead collisions at a centre-of-mass energy per nucleon–nucleon collision of s NN = 5.02 TeV. The distributions are reported for non-single diffractive collisions in different pseudorapidity ranges. The measurements are performed using the combined information from the Silicon Pixel Detector and the Forward Multiplicity Detector of ALICE. The multiplicity distributions are parametrised with a double negative binomial distribution function which provides satisfactory descriptions of the distributions for all the studied pseudorapidity intervals. The data are compared to models and analysed quantitatively, evaluating the first four moments (mean, standard deviation, skewness, and kurtosis). The shape evolution of the measured multiplicity distributions is studied in terms of KNO variables and it is found that none of the considered models reproduces the measurements. This paper also reports on the average charged-particle multiplicity, normalised by the average number of participating nucleon pairs, as a function of the collision energy. The multiplicity results are then compared to measurements made in proton–proton and nucleus–nucleus collisions across a wide range of collision energies. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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