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Energy dependence of space-time parameters of pion emission region at freeze-out is studied for collisions of various ions and for all experimentally available energies. The using of femtoscopic radii scaled on the averaged radius of…

核实验 · 物理学 2016-06-22 V. A. Okorokov

We calculate several femtoscopy correlation functions in the strangeness sectors $S=0$ and $S=-2$ for meson-baryon interactions. We combine the amplitudes of chiral perturbation theory at leading order with the TROY (T-matrix-based Routine…

高能物理 - 唯象学 · 物理学 2024-10-18 Álvaro Peña Almazán , Juan M. Torres-Rincon

The influence of final-state radiation (FSR) of heavy quarks on observables in high-energy proton-proton collisions is studied. The transverse momentum correlation of D and Dbar mesons, which have been emitted with an azimuthal difference…

核理论 · 物理学 2017-11-01 L. Vermunt , J. Aichelin , P. B. Gossiaux , K. Werner , A. Mischke , B. Guiot , M. Nahrgang , T. Pierog

We report the preliminary results of the azimuthal correlations between $D^{*\pm}$ mesons and charged hadrons ($D^{*}$-h) measured by the STAR experiment in proton+proton collisions at $\sqrt{s}$ = 500 GeV. Results at mid-rapidity in the…

核实验 · 物理学 2017-04-25 Long Ma

The forward-backward long-range multiplicity correlations in proton-proton collisions are investigated in the model with two independent sources of particles: one left- and one right-moving wounded nucleon. A good agreement with the UA5…

高能物理 - 唯象学 · 物理学 2012-10-03 Adam Bzdak

As one of the possible signals for the whereabouts of the critical point on the QCD phase diagram, recently, the multiplicity fluctuations in heavy-ion collisions have aroused much attention. It is a crucial observable of the Beam Energy…

高能物理 - 唯象学 · 物理学 2020-01-24 Hong-Hao Ma , Kai Lin , Wei-Liang Qian , Bin Wang

One of the key challenges for nuclear physics today is to understand from first principles the effective interaction between hadrons with different quark content. First successes have been achieved using techniques that solve the dynamics…

核实验 · 物理学 2020-12-18 ALICE Collaboration

Femtoscopy of non-identical particle pairs has been instrumental for precision measurements of both two-particle sources and the final-state interactions in high-energy elementary and heavy-ion collisions. The majority of measurements…

核实验 · 物理学 2026-01-14 ALICE Collaboration

Collective behavior has been observed in high-energy heavy-ion collisions for several decades. Collectivity is driven by the high particle multiplicities that are produced in these collisions. At the CERN Large Hadron Collider (LHC),…

核实验 · 物理学 2024-06-10 ALICE Collaboration

We study the forward-backward azimuthal angular correlations of hadrons in association with multi-particle production in the central rapidity region in proton-proton collisions at the LHC. We apply the nucleon energy-energy correlator…

高能物理 - 唯象学 · 物理学 2024-08-28 Yuxun Guo , Xiaohui Liu , Feng Yuan

Soft pp interactions are considered in the framework of the phenomenological model with color strings formation. Under the assumption, that the elementary collision is realized as interaction of two color dipoles, the total inelastic cross…

高能物理 - 唯象学 · 物理学 2013-10-23 V. N. Kovalenko

Recent measurements of two-particle correlations in high-multiplicity p-Pb collisions at $\sqrt{s_{NN}} = 5.02$ TeV revealed a long-range structure (large separation in $\Delta\eta$) at the near- ($\Delta\varphi\simeq0$) and away-side…

核实验 · 物理学 2019-08-13 M. Weber

The two-particle momentum correlation between the Omega-baryon ($\Omega$) and the $^{4}He (\alpha) $ in high-energy heavy ion collisions is explored. Such correlations as an alternative source of information can help us further understand…

核理论 · 物理学 2025-02-10 Faisal Etminan

We study the baryon-baryon interactions with strangeness $S = -2$ and corresponding momentum correlation functions in leading order covariant chiral effective field theory. The relevant low energy constants are determined by fitting to the…

高能物理 - 唯象学 · 物理学 2023-01-25 Zhi-Wei Liu , Kai-Wen Li , Li-Sheng Geng

The LHC has been designed as a collider of proton and ion beams. However, in its experimental program, which is focused mainly on studies of high energy transfer collisions of Standard Model point-like particles, protons and ions will play…

高能物理 - 唯象学 · 物理学 2009-01-07 M. W. Krasny , S. Jadach , W. Placzek

We discuss various sources of azimuthal correlations in relativistic heavy-ion collisions. The integral measure Phi is applied to quantify the correlations. We first consider separately the correlations caused by the elliptic flow,…

核理论 · 物理学 2015-03-17 Tomasz Cetner , Katarzyna Grebieszkow , Stanislaw Mrowczynski

A systematic analysis of the A-dependence of phi-meson production in proton-nucleus collisions is presented. We apply different formalisms for the evaluation of the phi-meson distortion in nuclei and discuss the theoretical uncertainties of…

核理论 · 物理学 2008-11-26 A. Sibirtsev , H. -W. Hammer , U. -G. Meissner

This work addresses the incorporation of Coulomb interactions into femtoscopy correlation functions (CFs) used to probe hadron interactions. Combining strong contact potentials with Coulomb effects, the derived scattering amplitudes and…

高能物理 - 唯象学 · 物理学 2025-09-26 M. Albaladejo , A. Garcia-Lorenzo , J. Nieves

We present femtoscopic results for proton and Lambda correlation functions measured by ALICE in sqrt(sNN) = 2.76 TeV Pb-Pb collisions. Femtoscopic radii are extracted from pp, pbarpbar, and ppbar pairs. Comparisons of these radii with those…

核实验 · 物理学 2019-08-13 Jai Salzwedel

Fluctuations of conserved quantities are believed to be sensitive observables to probe the signature of the QCD phase transition and critical point. It was argued recently that measuring the genuine correlation functions (CFs) could provide…

高能物理 - 唯象学 · 物理学 2017-10-24 Yufu Lin , Lizhu Chen , Zhiming Li