Baryonia with open and hidden strange

Gerasyuta, S. M.; Matskevich, E. E.

doi:10.1142/s0218301320500354

Cited by 9 publications

(5 citation statements)

References 29 publications

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“…The final-state products are naturally various kinds of particles. Indeed, understanding the characteristics of particle productions is particularly necessary for researchers to study the evolution of collision system and interactions among various particles [78][79][80][81][82][83][84][85]. By studying the particle spectra, this paper has extracted some quantities.…”

Section: B Tendencies Of Parametersmentioning

confidence: 99%

Thermal freeze-out parameters and pseudo-entropy from charged hadron spectra in high energy collisions

Zhang,

Gao,

Liu

et al. 2021

Preprint

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We collected the transverse momentum (mass) spectra of charged hadrons (π − , π + , K − , K + , p, and p) produced in collisions over a center-of-mass energy range from 2.70 to 200 GeV (per nucleon pair). The modified Tsallis-Pareto-type function (the TP-like function) with average transverse flow velocity is used to describe the contribution of participant or constituent quarks to transverse momentum of considered hadron. The experimental spectra of π ∓ and K ∓ (or p and p) are fitted by the convolution of two (or three) TP-like functions due to the fact that two (or three) constituent quarks are regarded as two (or three) energy resources in the formation of considered hadron. From the reasonable fits to the spectra, the thermal freeze-out parameters are extracted, and the pseudo-entropy is newly defined and extracted. Some parameters quickly change in the energy range of less than 7.7 GeV, and slowly change in the energy range of greater than 7.7 GeV, indicating the variation of collision mechanism at around 7.7 GeV.

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Section: B Tendencies Of Parametersmentioning

confidence: 99%

Thermal freeze-out parameters and pseudo-entropy from charged hadron spectra in high energy collisions

Zhang,

Gao,

Liu

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

“…Understanding the characteristics of particle productions is very necessary for researchers to study the evolution of collision system and interactions among various particles. [30][31][32][33][34][35][36][37] The p T spectrum of direct (prompt) photons is very wide, which distributes in a range from 0 to above 1000 GeV/c in some cases. In different p T regions, the forms of spectrum may be different.…”

Section: Introductionmentioning

confidence: 99%

An Energy Independent Scaling of Transverse Momentum Spectra of Direct (Prompt) Photons from Two‐Body Processes in High‐Energy Proton–Proton Collisions

et al. 2022

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Transverse momentum spectra of direct (prompt) photons from two-body processes in high-energy proton-proton (p+p) collisions are analyzed in this paper. The experimental invariant cross-sections are collected at mid-rapidity in p+p collisions measured by the UA6, CCOR, R806, R110, PHENIX, NA24, CMS, ALICE, and ATLAS Collaborations over a center-of-mass energy range from 24.3 GeV to 13 TeV. In fitting the data, different kinds of functions are used which include the revised Tsallis-Pareto-type function (the TP-like function) at the particle level, the convolution of two TP-like functions at the quark level, and the root-sum-of-squares of two revised Tsallis-like functions in which the quark chemical potentials 𝝁 i = 𝝁 B ∕3 or 𝝁 i = 0, where 𝝁 B is the baryon chemical potential. The values of three main free parameters have been extracted: the effective temperature T, power index n 0 (or entropy index q), and correction index a 0 . After analyzing the changing trends of the parameters, it is found that T, q, and a 0 increase and n 0 decreases with the increase of collision energy. Based on the analyses of transverse momentum spectra, an energy independent scaling, that is, the x T scaling, is obtained.

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“…The masses of baryonia with the open and hidden charm, bottomness and strangeness are studied in the framework of dispersion relation technique in Refs. [59][60][61]. The heavy baryon-antibaryon molecule states are investigated within the effective field theory [62].…”

Section: Introductionmentioning

confidence: 99%

Where are the hidden-charm hexaquarks?

Liu,

An,

Liu

et al. 2021

Preprint

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Baryonia with open and hidden strange

Cited by 9 publications

References 29 publications

Thermal freeze-out parameters and pseudo-entropy from charged hadron spectra in high energy collisions

Thermal freeze-out parameters and pseudo-entropy from charged hadron spectra in high energy collisions

An Energy Independent Scaling of Transverse Momentum Spectra of Direct (Prompt) Photons from Two‐Body Processes in High‐Energy Proton–Proton Collisions

Where are the hidden-charm hexaquarks?

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