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The ratio of cumulant to factorial moments of experimental multiplicity distributions has been calculated for $e^{+}e^{-}$ and $hh$ interactions in a wide range of energies. As a function of the rank it exhibits an initial steep decrease…

High Energy Physics - Experiment · Physics 2009-10-22 I. M. Dremin , V. Arena , G. Boca , G. Gianini , S. Malvezzi , M. Merlo , S. P. Ratti , C. Riccardi , G. Salvadori , L. Viola , P. Vitulo

Moment analysis of global multiplicity distribution previously done for $e^{+}e^{-}$ and $hh$ processes is applied to $hA$ and $AA$ collisions. The oscillations of cumulants as functions of their rank are found in all the cases. Some…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Capella , I. M. Dremin , V. A. Nechitailo , J. Tran Thanh Van

A simple numerical method for loading of a relativistic Maxwellian-type distribution is proposed based on inverse transform sampling. The relativistic Maxwellian energy distribution is introduced as an alternative to the Maxwell-J\"{u}ttner…

Plasma Physics · Physics 2026-03-05 Takayuki Umeda

The theory of one-nucleon removal in the stripping reaction (inelastic breakup) on a light target is extended to cover two-dimensional momentum distributions of the reaction residues with the use of realistic profile functions for the…

Nuclear Theory · Physics 2009-11-10 C. A. Bertulani P. G. Hansen

The generating function for the cumulants of charge current distribution is calculated for two generalised Majorana resonant level models: the Kondo dot at the Toulouse point and the resonant level embedded in a Luttinger liquid with the…

Strongly Correlated Electrons · Physics 2007-05-23 A. Komnik , A. O. Gogolin

A two dimensional disordered system of non-interacting fermions in a homogeneous magnetic field is investigated numerically. By introducing a new magnetic gauge, we explore the renormalization group (RG) flow of the longitudinal and Hall…

Disordered Systems and Neural Networks · Physics 2018-07-19 Miklós Antal Werner , Arne Brataas , Felix von Oppen , Gergely Zaránd

Using in situ data, accumulated in the turbulent magnetosheath by the Magnetospheric Multiscale (MMS) Mission, we report a statistical study of magnetic field curvature and discuss its role in the turbulent space plasmas. Consistent with…

In this paper, we consider the momentum operator of a quantum particle directed along the displacement of two of its neighbors. A modified open-path path integral molecular dynamics is presented to sample the distribution of this…

Quantum Physics · Physics 2020-10-07 Yantao Wu , Roberto Car

Two relativistic distributions which generalizes the Maxwell Boltzman (MB) distribution are analyzed: the relativistic MB and the Maxwell-J{\"u}ttner (MJ) distribution. For the two distributions we derived in terms of special functions the…

Statistical Mechanics · Physics 2020-12-11 Lorenzo Zaninetti

The hierarchy of equations for reduced density matrices that describes a thermodynamically equilibrium quantum system obtained earlier by the author is investigated in the momentum representation. In the paper it is shown that the use of…

Quantum Physics · Physics 2011-05-19 V. A. Golovko

The level curvature distribution function is studied both analytically and numerically for the case of T-breaking perturbations over the orthogonal ensemble. The leading correction to the shape of the curvature distribution beyond the…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 C. Basu , C. M. Canali , V. E. Kravtsov , I. V. Yurkevich

Theoretical prediction of oscillations of cumulant moments of parton multiplicity distributions inside a jet supported by experimental data in some multiple production processes asks for analysis of the phenomenon for the whole set of…

High Energy Physics - Phenomenology · Physics 2009-10-30 I. M. Dremin , V. A. Nechitailo , M. Biyajima , N. Suzuki

We propose a novel method for analysis of experimental data obtained at relativistic nucleus-nucleus collisions. The method, based on the ideas of Random Matrix Theory, is applied to detect systematic errors that occur at measurements of…

High Energy Physics - Experiment · Physics 2009-11-11 E. I. Shahaliev , R. G. Nazmitdinov , A. A. Kuznetsov , M. K. Suleymanov , O. V. Teryaev

It is generally believed that angular momentum is distributed during the gravitational collapse of the primordial star forming cloud. However, so far there has been little understanding of the exact details of the distribution. We use the…

Astrophysics of Galaxies · Physics 2015-12-14 Jayanta Dutta

The shoulder structure of charged particles multiplicity distributions (MD's) in full phase space in $e^+e^-$ annihilation at the $Z_0$ peak and the quasi-oscillatory behavior of the ratio of factorial cumulants over factorial moments,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alberto Giovannini , Sergio Lupia , Roberto Ugoccioni

The angular distribution of the phase space arising in two-particle emission reactions induced by electrons and neutrinos is computed in the laboratory (Lab) system by boosting the isotropic distribution in the center of mass (CM) system…

Nuclear Theory · Physics 2014-10-16 I. Ruiz Simo , C. Albertus , J. E. Amaro , M. B. Barbaro , J. A. Caballero , T. W. Donnelly

Dynamics of an electron beam head-on colliding with an ultraintense focused ultrashort circularly-polarized laser pulse are investigated in the quantum radiation-dominated regime. Generally, the ponderomotive force of the laser fields may…

Plasma Physics · Physics 2018-11-21 Yan-Fei Li , Yong-Tao Zhao , Karen Z. Hatsagortsyan , Christoph H. Keitel , Jian-Xing Li

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

It is known that the longitudinal and transverse excitation modes can exist in the vicinity of a quantum critical point in the ordered phase of quantum magnetic systems. The total moment sum rule for such systems is derived on the basis of…

Strongly Correlated Electrons · Physics 2020-12-04 Masashige Matsumoto

A simple method is presented to evaluate the effects of short-range correlations on the momentum distribution of nucleons in nuclear matter within the framework of the Green's function approach. The method provides a very efficient…

Nuclear Theory · Physics 2008-11-26 H. Müther , G. Knehr , A. Polls