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Two-particle angular correlation is one of the most powerful tools to study the mechanism of particle production in proton--proton (pp) collision systems by relating the difference between the azimuthal angle ($\Delta\varphi$) and the…

核实验 · 物理学 2024-02-14 Daniela Ruggiano

We present a coupled channel treatment of meson-meson dynamics, for systems with spin-parity $1^+$, and determine the corresponding amplitudes by solving the Bethe-Salpeter equations, which lead to the generation of two axial resonances…

高能物理 - 唯象学 · 物理学 2024-08-13 K. P. Khemchandani , Luciano M. Abreu , A. Martinez Torres , F. S. Navarra

Using a fluid dynamical scenario for $pp$ scattering at 7 TeV, we compute correlation functions for $\pi^+\pi^+$ pairs. Femtoscopic radii are extracted based on three-dimensional parametrizations of the correlation functions. We study the…

高能物理 - 唯象学 · 物理学 2011-04-18 K. Werner , K. Mikhailov , Iu. Karpenko , T. Pierog

Forward-backward multiplicity correlations have been studied in electron-positron, proton-proton and more recently in lead-lead collisions. For the proton-proton case, comparison of experimental results to different models reveals an…

高能物理 - 唯象学 · 物理学 2019-09-04 Eleazar Cuautle , Edgar Dominguez , Ivonne Maldonado

Femtoscopic interferometry is a powerful tool for probing the spatio-temporal evolution of emission sources in heavy-ion collisions. A major challenge in the field is formulating a self-consistent description of the source function,…

核理论 · 物理学 2026-03-11 Sheng Xiao , Yijie Wang , Zhigang Xiao

Femtoscopic correlations between charged pions and kaons for different charge combinations are measured in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV with ALICE at the LHC. The three-dimensional pion-kaon ($\pi-{\rm K}$) correlation…

高能物理 - 实验 · 物理学 2019-01-23 Ashutosh Kumar Pandey

Small system collectivity observed at the LHC energies along with enhancement of strangeness makes high-multiplicity proton+proton (pp) collisions very interesting in order to look for QGP-like features, usually found in heavy-ion…

高能物理 - 唯象学 · 物理学 2021-01-26 Arvind Khuntia , Sushanta Tripathy , Ashish Bisht , Raghunath Sahoo

Measurements of heavy flavor quark (charm and bottom) correlations in heavy ion collisions are instrumental to understand the flavor dependence of energy loss mechanisms in hot and dense QCD media. Experimental measurements of these…

核理论 · 物理学 2015-07-03 Shusu Shi , Xin Dong , Mustafa Mustafa

The non-identical particle femtoscopy is a technique that is developed to estimate the dimension of a particle-emitting medium as well as the average pair-emission asymmetry between the particles using two-particle correlation functions.…

高能物理 - 实验 · 物理学 2022-12-12 Pritam Chakraborty

We report on the results of femtoscopic analyses of Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV and pp collisions at $\sqrt{s}$= 7 TeV with identical charged and neutral kaons. The femtoscopic correlations allow one to measure the…

高能物理 - 实验 · 物理学 2019-08-21 L. V. Malinina

We have calculated the femtoscopic correlation functions of meson-baryon pairs in the strangeness $S=-1$ sector, employing a unitarized chiral interaction model up to next-to-leading order. We will show preliminary results for the…

高能物理 - 唯象学 · 物理学 2024-10-29 Pablo Encarnacion , Albert Feijoo , Angels Ramos

We report the first predictions of elliptic flow ($v_2$) of identified hadrons at mid-rapidity ($|y| <$ 1.0) in Au+Au collisions at $E_{lab} =$ 6.7, 8, 11, and 25 A GeV using the Parton Hadron String Dynamics (PHSD) model. The transverse…

高能物理 - 唯象学 · 物理学 2024-07-09 B. Towseef , M. Farooq , V. Bairathi , B. Waseem , S. Kabana , S. Ahmad

Results on two-particle angular correlations for charged particles emitted in pPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV are presented. The analysis uses two million collisions collected with the CMS detector at…

核实验 · 物理学 2013-03-21 CMS Collaboration

Bose-Einstein correlations between identified charged pions are measured for $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV using data recorded by the ATLAS detector at the LHC corresponding to a total integrated luminosity of $28$…

高能物理 - 实验 · 物理学 2018-01-16 ATLAS Collaboration

Comparing the measurements of the hadronic final state from partonic showers in proton-proton and heavy-ion collisions will reveal the modifications generated by the medium on partons produced in hard scatterings. This can be achieved by…

高能物理 - 实验 · 物理学 2019-08-13 Yaxian Mao

The new framework for the simulations of hard diffractive events in photoproduction within Pythia 8 is presented. The model, originally introduced for proton-proton collisions, applies the dynamical rapidity gap survival probability based…

高能物理 - 唯象学 · 物理学 2021-07-16 Ilkka Helenius

Particle production mechanisms in proton+proton and heavy-ion collisions at the LHC energies are discussed. An attempt is made to connect p+p to heavy-ion collisions in understanding the final state observables. New emerging phenomena like…

高能物理 - 唯象学 · 物理学 2018-01-03 Raghunath Sahoo

Proton-Proton ($pp$) collisions at the Large Hadron Collider (LHC) are simulated in order to study events with a high local density of charged particles produced in narrow pseudorapidty windows of $\Delta\eta$ = 0.1, 0.2, and 0.5. The $pp$…

高能物理 - 实验 · 物理学 2020-10-23 E. Shokr , A. H. El-Farrash , A. De Roeck , M. A. Mahmoud

A huge systematics of femtoscopic measurements have been used over the past 20 years to characterize the system created in heavy ion collisions. These measurements cover two orders of magnitude in energy, and with LHC beams imminent, this…

核理论 · 物理学 2011-08-04 Mike Lisa

The production mechanism of quarkonia states in hadronic collisions is still to be understood by the scientific community. In high-multiplicity $p+p$ collisions, Underlying Event (UE) observables are of major interest. The Multi-Parton…

高能物理 - 唯象学 · 物理学 2018-05-16 Dhananjaya Thakur , Sudipan De , Raghunath Sahoo , Soumya Dansana