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We investigate the KNO scaling function of the modified negative binomial distribution (MNBD), because this MNBD can explain the oscillating behaviors of the cumulant moment observed in $e^+e^-$ annihilations and in hadronic collisions. By…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. Nakajima , M. Biyajima , N. Suzuki

Newly reported normalized cumulant moments of charged particles in $e^+e^-$ collisions by the SLD collaboration are analyzed by the truncated modified negative binomial distribution (MNBD) and the negative binomial distribution (NBD).…

High Energy Physics - Phenomenology · Physics 2019-08-17 N. Suzuki , M. Biyajima , N. Nakajima

A pure birth stochastic process with several initial conditions is considered.We analyze multiplicity distributions of e^+e^- collisions and e-p collisions, usigthe Modified Negative Binomial Distribution (MNBD) and the Laguerre-type…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. Biyajima , T. Osada , K. Takei

Oscillatory behavior of cumulant moments obtained from the experimental data in $pp$ collisions and $\bar{p}p$ collisions are analyzed by the modified negative binomial distribution (MNBD) and the negative binomial distribution (NBD). Both…

High Energy Physics - Phenomenology · Physics 2009-10-28 N. Nakajima , M. Biyajima , N. Suzuki

A three-parameter discrete distribution is developed to describe the multiplicity distributions observed in total- and limited phase space volumes in different collision processes. The probability law is obtained by the Poisson transform of…

High Energy Physics - Phenomenology · Physics 2009-10-28 S. Hegyi

Multiplicity distributions $P(N)$ measured in multiparticle production processes are most frequently described by the Negative Binomial Distribution (NBD). However, with increasing collision energy some systematic discrepancies become more…

High Energy Physics - Phenomenology · Physics 2016-12-06 Grzegorz Wilk , Zbigniew Włodarczyk

Using the Monte Carlo data at 7 TeV collected by the ATLAS collaboration (PYTHIA 6), we examine the necessity of applying the three-negative binomial distribution (T-NBD). By making use of the T-NBD formulation, we analyze the multiplicity…

High Energy Physics - Phenomenology · Physics 2019-11-15 Minoru Biyajima , Takuya Mizoguchi

The negative binomial distribution (NBD) has been theorized to express a scale-invariant property of many-body systems and has been consistently shown to outperform other statistical models in both describing the multiplicity of…

High Energy Physics - Phenomenology · Physics 2023-10-09 S. V. Tezlaf

As shown recently, one can obtain additional information from the measured multiplicity distributions, $P(N)$, by extracting the so-called modified combinants, $C_j$. This information is encoded in their specific oscillatory behavior, which…

High Energy Physics - Phenomenology · Physics 2020-01-29 H. W. Ang , M. Ghaffar , A. H. Chan , M. Rybczyński , G. Wilk , Z. Włodarczyk

It is shown that simple extension of the modified negative binomial distribution describes negatively charged particle multiplicity distributions in e+e- annihilation, measured in the whole phase space, as well as the modified negative…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. G. Tchikilev

Multiplicity fluctuations at midrapidity in p+p collisions at high energies are described by a negative binomial distribution and exhibit approximate Koba-Nielsen-Olesen (KNO) scaling. We find that these KNO fluctuations are important also…

Nuclear Theory · Physics 2012-04-23 Adrian Dumitru , Yasushi Nara

The generalized negative binomial distribution (GNB) is a new flexible family of discrete distributions that are mixed Poisson laws with the mixing generalized gamma (GG) distributions. This family of discrete distributions is very wide and…

Methodology · Statistics 2018-09-18 Andrey K. Gorshenin , Victor Yu. Korolev

The charged particles multiplicity distribution in the KNO form is discussed in processes of $e^+e^-$ annihilation at energies $\sqrt{s}$ 14 -- 206.2 GeV. The experimental data are compared to data, obtained with Monte Carlo simulation in…

High Energy Physics - Phenomenology · Physics 2007-06-25 V. A. Abramovsky , N. V. Radchenko

KNO scaling, i.e. the collapse of multiplicity distributions P_n onto a universal scaling curve manifests when P_n is expressed as the distribution of the standardized multiplicity (n-c)/lambda with c and lambda being location and scale…

High Energy Physics - Phenomenology · Physics 2009-10-31 Sandor Hegyi

The ratio of cumulant to factorial moments of multiplicity distribu- tions has been calculated for e+e- and hh data in a wide range of energies. As a function of the rank it exhibits a regular behaviour with a steep descent and two negative…

High Energy Physics - Phenomenology · Physics 2009-09-25 G. Gianini , I. M. Dremin , V. A. Nechitailo , B. B. Levchenko , V. Arena , G. Boca , S. Malvezzi , M. Merlo , S. P. Ratti , C. Riccardi , G. Salvadori , L. Viola , P. Vitulo

The single-particle inclusive fragmentation function and the particle multiplicity are observables of fundamental importance in studying properties of quantum chromodynamics at colliders. It is well-known that at high energies, the…

High Energy Physics - Phenomenology · Physics 2024-06-06 Zhong-Bo Kang , Robert Kao , Andrew J. Larkoski

A study of the first four moments (mean, variance, skewness, and kurtosis) and their products ($\kappa\sigma^{2}$ and $S\sigma$) of the net-charge and net-proton distributions in Au+Au collisions at $\sqrt{\rm s_{NN}}$ = 7.7-200 GeV from…

Nuclear Experiment · Physics 2015-06-11 Terence J. Tarnowsky , Gary D. Westfall

In this paper, we propose a closed form approximation to the mean and variance of a new generalization of negative binomial (NGNB) distribution arising from the Extended COM-Poisson (ECOMP) distribution developed by Chakraborty and Imoto…

Statistics Theory · Mathematics 2019-04-30 Sudip Roy , Ram C. Tripathi , N. Balakrishnan

We analyze data on multiplicity distributions (MD) at Large Hadron Collider (LHC) energies using a double-negative binomial distribution (D-NBD) and double-generalized Glauber-Lachs formula (D-GGL). Moreover, we investigate the…

High Energy Physics - Phenomenology · Physics 2020-01-08 Takuya Mizoguchi , Minoru Biyajima

The solution of QCD equations for generating functions of multiplicity distributions reveals new peculiar features of cumulant moments oscillating as functions of their rank. This prediction is supported by experimental data on $e^{+}e^{-},…

High Energy Physics - Phenomenology · Physics 2009-09-25 I. M. Dremin
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