English
Related papers

Related papers: Mass dependence of HBT correlations in e^+e^- anni…

200 papers

The results of an analysis are presented of some recent data on the reactions $e^+e^-\to\pi^+\pi^-\pi^+\pi^-$, $e^+e^-\to\pi^+\pi^-\pi^0\pi^0$ with the subtracted $\omega\pi^0$ events, $e^+e^-\to\omega\pi^0$, $e^+e^-\to\eta \pi^+\pi^-$,…

High Energy Physics - Phenomenology · Physics 2014-11-17 N. N. Achasov , A. A. Kozhevnikov

Bose-Einstein correlations of pairs of identical charged pions produced in hadronic Z decays are analyzed in terms of various parametrizations. A good description is achieved using a L\'evy stable distribution in conjunction with a model…

High Energy Physics - Experiment · Physics 2012-08-27 The L3 Collaboration

The centrality dependence of the $p/\pi$ ratio measured by the ALICE Collaboration in 5.02 TeV Pb-Pb collisions indicates a statistically significant suppression with the increase of the charged particle multiplicity once the…

Nuclear Theory · Physics 2022-11-22 Volodymyr Vovchenko , Volker Koch

The energy dependence of the radii size of jets are studied in detail by the HBT correlation method using Monte Carlo Simulation generator Jetset7.4 to produce 40,000,000 events of e$^+$e$^-$ collisions at $\sqrt s =30$, 50, 70, 91.2, 110,…

High Energy Physics - Phenomenology · Physics 2014-09-30 Chen Zheng-Yu , Wang Mei-Juan , Xie Yi-Long , Liang Zhu , Chen Gang

The uncertainties due to limited knowledge of the multi-hadron final state on the measurements of the top mass at future linear colliders are discussed. The study is performed for E+E- -> tt-bar annihilation events at the centre-of-mass…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. V. Chekanov

The HBT radii extracted in p-pbar and pp collisions at SPS and Tevatron show a clear correlation with the charged particle rapidity density. We propose to explain the correlation using a simple model where the distance from the initial hard…

High Energy Physics - Phenomenology · Physics 2009-11-11 Guy Paic , Piotr Krzysztof Skowronski

Bose-Einstein and Fermi-Dirac correlations show that the emitter dimension r decreases as the hadron mass increases. Same behaviour is seen for the longitudinal dimension r_z dependence on the transverse mass m_T. In both cases the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gideon Alexander

We derive a compact HTL-resummed expression for the leading-order jet collisional energy loss in a finite-size, finite-temperature QCD medium. Defining the jet energy inside a cone of radius $R$, we obtain the out-of-cone elastic energy…

Nuclear Theory · Physics 2026-01-30 Magdalena Djordjevic , Bojana Ilic , Marko Djordjevic

The characteristics of the particle emitting source are deduced from low transverse momentum identified hadron spectra (transverse mass less than 1 GeV) and HBT radii using a hydrodynamic interpretation. From the most peripheral to the most…

Nuclear Experiment · Physics 2009-11-07 J. M. Burward-Hoy

The azimuthal dependence of 3D HBT radii relative to the event plane gives us information about the source shape at freeze-out. It also provides information on the system's evolution by comparing it to the initial source shape. In recent…

Nuclear Experiment · Physics 2019-08-14 Takafumi Niida

A new statistical model for multiparticle production in $e^+e^-$ annihilation is proposed based on the idea of the longitudinal phase space with limited transverse momentum. The longitudinal rapidity space is divided into cells of equal…

High Energy Physics - Phenomenology · Physics 2009-10-31 T. Osada , M. Maruyama , F. Takagi

Bose-Einstein momentum correlation functions of identical bosons reveal the shape and size of the (soft) particle emitting source of the given particle. The widths of these correlation functions are called HBT radii, named after Brown and…

Nuclear Experiment · Physics 2019-08-13 Mate Csanad

Bose-Einstein correlations in relativistic heavy ion collisions are examined in a general model containing the essential features of hydrodynamical, cascade as well as other models commonly employed for describing the particle freeze-out.…

Nuclear Theory · Physics 2009-10-30 H. Heiselberg , A. P. Vischer

We derive predictions for the hadronic matrix elements of radiative semileptonic decays of beautiful hadrons within Heavy Quark Effective Theory (HQET), relevant for future measurements at Belle II and LHCb. Our study considers Lambda(b) ->…

High Energy Physics - Phenomenology · Physics 2026-05-15 Federico Cima , Michele Papucci

It is demonstrated that universal mass dependence for meson and baryon inclusive cross-sections advocated recently in $e^+e^-$ annihilation and in hadronic reactions is consistent also with heavy ion collisions data and can therefore be…

High Energy Physics - Phenomenology · Physics 2009-10-28 M. Szczekowski , G. Wilk

I review recent progress in the understanding of the connection between the space-time structure of the particle emitting source and the form of the two-particle correlation function in momentum space. Based on a new scheme for calculating…

Nuclear Theory · Physics 2009-10-09 Ulrich Heinz

A comprehensive model study of Bose-Einstein correlation radii in heavy ion collisions is presented. The starting point is a longitudinally and transversally expanding fireball, represented at freeze-out by an azimuthally symmetric emission…

Nuclear Theory · Physics 2009-10-09 Boris Tomasik , Ulrich Heinz

The relationship between pion and kaon space-time freeze-out distributions and the HBT radius parameters in high-energy nucleus-nucleus collisions is investigated. We show that the HBT radius parameters in general do not reflect the R.M.S.…

Nuclear Theory · Physics 2014-11-18 D. Hardtke , S. A. Voloshin

Two-particle correlations in high-energy collision experiments enable the extraction of particle source radii by using the Bose-Einstein enhancement of pion production at low relative momentum $q\propto 1/R$. It was previously observed that…

Nuclear Experiment · Physics 2019-12-13 ALICE Collaboration

In this thesis, we perform an analysis on e+e- hadronic Z decays recorded in 1994 and 1995 by the L3 detector of LEP at center-of-mass energy corresponding to the Z mass. The analysis is performed in parallel for all hadronic events and for…

High Energy Physics - Experiment · Physics 2007-05-23 Dominique J. Mangeol