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Related papers: How the Blast-Wave Model Describes PID Hadron Spec…

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The blast-wave (BW) spectrum model is interpreted to reveal relativistic motion (collective flow) of the hadron emission system relative to the center-of-momentum (CM) frame in high-energy A-B collisions. In essence, any spectrum deviation…

High Energy Physics - Phenomenology · Physics 2022-06-17 Thomas A. Trainor

In preparation for the heavy ion program at the relativistic heavy ion collider (RHIC) $d$-Au collisions were designated as a control experiment for possible discovery of a quark-gluon plasma (QGP) in more-central Au-Au collisions, and…

High Energy Physics - Phenomenology · Physics 2020-01-14 Thomas A. Trainor

The $p$-Pb collision system occupies a unique position regarding physical interpretation of high-energy particle data. More-peripheral $p$-Pb is indistinguishable from $p$-$p$ collision while more-central $p$-Pb overlaps an interval of…

High Energy Physics - Phenomenology · Physics 2021-12-24 Thomas A. Trainor

Identified-hadron (PID) $p_t$ spectra from 13 TeV $p$-$p$ collisions are compared with a two-component (soft+hard) model (TCM) that accurately distinguishes jet-related hadron production (hard component) from nonjet projectile-nucleon…

High Energy Physics - Phenomenology · Physics 2022-10-13 Thomas A. Trainor

It has been debated for decades whether hadrons emerging from p+p collisions exhibit collective expansion. The signal of the collective motion in p+p collisions is not as clear/clean as in heavy-ion collisions because of the low…

Nuclear Experiment · Physics 2014-12-25 Kun Jiang , Yinying Zhu , Weitao Liu , Hongfang Chen , Cheng Li , Lijuan Ruan , Ming Shao , Zebo Tang , Zhangbu Xu

Small collision systems, e.g. $p$-$p$ and $p$-Pb collisions, comprise a potential reference for more-central A-A collisions with regard to production (or not) of a thermalized quark-gluon plasma (QGP). Small systems with low particle…

High Energy Physics - Phenomenology · Physics 2024-10-31 Thomas A. Trainor

We analyze the measured spectra of $\pi^\pm$, $K^\pm$, $p$($\bar p$) in $pp$ collisions at $\sqrt {s}$ = 0.9, 2.76 and 7 TeV, in the light of blast-wave model to extract the transverse radial flow velocity and kinetic temperature at…

High Energy Physics - Phenomenology · Physics 2014-02-28 Premomoy Ghosh , Sanjib Muhuri , Jajati k. Nayak , Raghava Varma

We investigate the identified hadrons transverse momentum ($p_{\rm T}$) spectra in Pb-Pb (Pb-Pb, Xe-Xe, p-Pb) collisions at $\sqrt{s_{\rm NN}}=$ 2.76 (5.02, 5.44, 5.02) TeV in the framework of Tsallis-blast wave (TBW) model with a linear…

Nuclear Theory · Physics 2021-08-20 G. R. Che , J. B. Gu , W. C. Zhang , H. Zheng

Blast-wave model is applied to describe the Hanbury-Brown--Twiss (HBT) radii of pionic systems produced in pp collisions at the LHC energies.

Nuclear Theory · Physics 2016-10-25 Wojciech Florkowski

The transverse momentum spectra of hadrons is calculated from the unintegrated gluon distribution (UGD) within the $k_T$-factorization framework at small $x$. Starting from $pp$ collisions, the modification caused by the nuclear medium is…

High Energy Physics - Phenomenology · Physics 2021-03-03 L. S. Moriggi , G. M. Peccini , M. V. T. Machado

A three component model, consisting of the hydrodynamical blast-wave term and two power-law terms, is proposed for an improved fitting of the hadron spectra measured at midrapidity and for arbitrary transverse momenta ($p_\textrm{T}$) in pp…

High Energy Physics - Phenomenology · Physics 2021-12-14 Smbat Grigoryan

A generalization of the phenomenological blast-wave-Tsallis-power model, recently proposed by the author for the hadrons transverse momentum ($p_\textrm{T}$) spectra measured at the LHC, is developed to also describe the hadrons…

High Energy Physics - Phenomenology · Physics 2026-01-12 Smbat Grigoryan

A recent study of 5 TeV $p$-Pb centrality combined a Glauber model of $p$-Pb collision geometry with an assumption of linear scaling between $n_{ch}$ (charge) integrated within some $\eta$ acceptance and the number of nucleon participants…

High Energy Physics - Phenomenology · Physics 2018-01-19 Thomas A. Trainor

In the present work, we study the recent collision energy and multiplicity dependence of the charged particle transverse momentum spectra as measured by the ALICE collaboration in $pp$ collisions at $\sqrt{s}$ = 5.02 and 13 TeV using the…

High Energy Physics - Phenomenology · Physics 2020-04-10 Rutuparna Rath , Arvind Khuntia , Raghunath Sahoo , Jean Cleymans

In a recent analysis of high-statistics $p_t$ spectra from 5 and 13 TeV $p$-$p$ collisions a two-component (soft+hard) model (TCM) of hadron production near midrapidity, based on fixed model functions independent of collision multiplicity…

High Energy Physics - Phenomenology · Physics 2021-07-26 Thomas A. Trainor

Nonextensive statistics in a Blast-Wave model (TBW) is implemented to describe the identified hadron production in relativistic p+p and nucleus-nucleus collisions. Incorporating the core and corona components within the TBW formalism allows…

Identified-hadron (PID) spectra from 2.76 TeV Pb-Pb and $p$-$p$ collisions are analyzed via a two-component (soft + hard) model (TCM) of hadron production in high-energy nuclear collisions. The PID TCM is adapted with minor changes from a…

High Energy Physics - Phenomenology · Physics 2020-01-13 Thomas A. Trainor

Identified-hadron spectra from 2.76 TeV Pb-Pb and $p$-$p$ collisions are analyzed via a two-component (soft + hard) model (TCM) of hadron production in high-energy nuclear collisions. The object of study is evidence for jet suppression in…

High Energy Physics - Phenomenology · Physics 2025-12-16 Thomas A. Trainor

A parametrized mathematical model is required to extract the information carried by transverse momentum $p_t$ spectra from high-energy nuclear collisions and subject it to physical interpretation in terms of possible hadron production…

High Energy Physics - Phenomenology · Physics 2024-01-09 Thomas A. Trainor

Identified-hadron (PID) spectra from 2.76 TeV Pb-Pb and $p$-$p$ collisions are analyzed via a two-component (soft + hard) model (TCM) of hadron production in high-energy nuclear collisions. The Pb-Pb TCM is adopted with minor changes from a…

High Energy Physics - Phenomenology · Physics 2025-12-09 Thomas A. Trainor
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