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Special Issue "Universe: Feature Papers 2023—High Energy Nuclear and Particle Physics"

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Department of Astronomy and Theoretical Physics, Lund University, 221 00 Lund, Sweden
Interests: subatomic physics; astronomy; astrophysics and cosmology; grand unification; Higgs physics; supersymmetry; electroweak physics; beyond the standard model; composite models; physical vacuum; quasiclassical gravity; cosmic inflation models; heavy-ion collisions; hard production processes
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Prof. Dr. Wolfgang Schafer
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Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences, Krakow, Poland
Interests: phenomenology of quantum chromodynamics; high-energy nuclear physics and electroweak interactions of hadrons

Special Issue Information

Dear Colleagues,

This Special Issue aims to present the cutting edge of the most recent advances in the intersecting study of high-energy nuclear and particle physics with other fields at all relevant scales from mutually stimulating theoretical, phenomenological and experimental perspectives. Potential topics include, but are not limited to, the following:

supersymmetry;
hadron collider physics;
dark matter physics;
neutrino physics;
neutrino oscillations;
phase transitions;
critical phenomena;
heavy ion collisions;
ultra-high-energy cosmic rays;
astroparticle physics.

You are welcome to send short proposals for submissions of Feature Papers to our Editorial Office (universe@mdpi.com). They will be evaluated by Editors first, and the selected papers will be thoroughly and rigorously peer reviewed.

Dr. Roman Pasechnik
Prof. Dr. Wolfgang Schafer
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Universe is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

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Research

Open AccessArticle

Study of Hidden-Charm and Hidden-Bottom Pentaquark Resonances in the Quark Model

and

Universe 2023, 9(6), 265; https://doi.org/10.3390/universe9060265 - 31 May 2023

Viewed by 525

Abstract

Inspired by the LHCb observation of hidden-charm pentaquarks, i.e.,

P_{c} (4312)

P_{c} (4440)

, and

P_{c} (4457)

in the

J / ψ p

invariant mass spectrum, a calculation of the [...] Read more.

Inspired by the LHCb observation of hidden-charm pentaquarks, i.e.,

P_{c} (4312)

P_{c} (4440)

, and

P_{c} (4457)

in the

J / ψ p

invariant mass spectrum, a calculation of the

J / ψ p

scattering cross-section was performed using the quark-delocalization color screening model. The results show that

P_{c} (4312)

can be identified as a hidden-charm molecular state

Σ_{c} D

with

J^{P} = {\frac{1}{2}}^{-}

. The two-peak structure can be reproduced around 4450 MeV, which corresponds to

P_{c} (4440)

and

P_{c} (4457)

. They are the resonances molecular states

Σ_{c} D^{*}

J^{P} = {\frac{1}{2}}^{-}

and

J^{P} = {\frac{3}{2}}^{-}

. Moreover, the

Σ_{c}^{*} D^{*}

of both

J^{P} = {\frac{1}{2}}^{-}

and

J^{P} = {\frac{3}{2}}^{-}

are possible molecular pentaquarks. Moreover, in the same theoretical frame, the calculation is extended to the

P_{c}

-like molecular pentaquarks, denoted as

P_{b}

. Several hidden-bottom pentaquarks with masses above 11 GeV and narrow widths were obtained. All of these heavy pentaquarks are worth exploring in future experiments. Full article

(This article belongs to the Special Issue Universe: Feature Papers 2023—High Energy Nuclear and Particle Physics)

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Special Issue "Universe: Feature Papers 2023—High Energy Nuclear and Particle Physics"

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