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Symmetry
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Recent Advances in High-Energy Physics: QCD from Heavy-Ion to Electron-Ion...
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Recent Advances in High-Energy Physics: QCD from Heavy-Ion to Electron-Ion Colliders

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: closed (31 July 2024) | Viewed by 3803

Special Issue Editor

Dr. Krista Lizbeth Smith

E-Mail Website
Guest Editor
Los Alamos National Laboratory, Los Alamos, NM 87545, USA
Interests: particle physics, high energy nuclear physics

Special Issue Information

Dear Colleagues,

Heavy-ion physics has been at the forefront of high-energy nuclear physics for the past two decades. The Relativistic Heavy-Ion Collider (RHIC) began collecting data in 2000 with the primary goal of discovering quark–gluon plasma, theorized to exist since the mid-1970s. Rolf Hagedorn's 1965 finding of a maximum possible temperature for strong interactions paved the way for David Gross and Frank Wilczek's theory of asymptotic freedom in 1973. Shortly after that, Hagedorn's maximum limiting temperature was reinterpreted as a second-order phase transition by Nicola Cabibbo and Giorgio Parisi in 1975, and the discussion officially began of a new state of matter where quarks and gluons were deconfined.

Since the Large Hadron Collider (LHC) began recording data in 2010, hundreds of papers have been published discussing quark–gluon plasma formation and its possible signatures in heavy-ion collisions. However, many other exciting and unexpected results have also accompanied these publications in terms of the LHC and RHIC. The heavy-ion community now sits at a crossroads, with preparations for the upcoming Electron-Ion Collider underway and a new era of physics on the horizon.

This Special Issue invites the submission of papers which review and assess the challenges of quantum chromodynamics from heavy-ion to electron-ion colliders. All original papers considering this area of high-energy nuclear physics (experimental and theoretical) are invited for submission.  The topics of interest of the Special Issue include, but are not limited to, the following:

  • heavy-ion collisions;
  • electron-ion collisions;
  • quark-gluon plasma;
  • quantum chromodynamics.

Dr. Krista Lizbeth Smith
Guest Editor

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. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). 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.

Keywords

  • heavy-ion collisions
  • electron-ion collisions
  • quark-gluon plasma
  • quantum chromodynamics
  • proton-proton collisions

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Published Papers (2 papers)

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Review

19 pages, 4709 KiB  
Review
SU(3) Gauge Symmetry: An Experimental Review of Diffractive Physics in e+p, p+p, p+A, and A+A Collision Systems
by Krista L. Smith
Symmetry 2024, 16(7), 898; https://doi.org/10.3390/sym16070898 - 15 Jul 2024
Viewed by 1060
Abstract
This review focuses on diffractive physics, which involves the long-range interactions of strong nuclear force at high energies described by SU(3) gauge symmetry. It is expected that diffractive processes account for nearly 40% of the total cross-section at LHC energies. These processes consist [...] Read more.
This review focuses on diffractive physics, which involves the long-range interactions of strong nuclear force at high energies described by SU(3) gauge symmetry. It is expected that diffractive processes account for nearly 40% of the total cross-section at LHC energies. These processes consist of soft-scale physics where perturbation theory cannot be applied. Although highly successful and often described as a perfect theory, quantum chromodynamics relies heavily on perturbation theory, a model best suited for hard-scale physics. The study of pomerons could help bridge the soft and hard processes and provide a complete description of the theory of the strong interaction across the full momentum spectrum. Here, we will discuss some of the features of diffractive physics, experimental results from SPS, HERA, and the LHC, and where the field could potentially lead. With the recent publication of the odderon discovery in 2021 by the D0 and TOTEM collaborations and the new horizon of physics that lies ahead with the upcoming Electron-Ion Collider at Brookhaven National Laboratory, interest is seemingly piquing in high energy diffractive physics. Full article
(This article belongs to the Special Issue Recent Advances in High-Energy Physics: QCD from Heavy-Ion to Electron-Ion Colliders)
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28 pages, 5465 KiB  
Review
Towards Experimental Confirmation of Quarkonia Melting in Quark–Gluon Plasma: A Review of Recent Measurements of Quarkonia Production in Relativistic Heavy-Ion Collisions
by Kara R. Mattioli
Symmetry 2024, 16(2), 225; https://doi.org/10.3390/sym16020225 - 13 Feb 2024
Viewed by 1008
Abstract
The dissociation, or “melting”, of heavy quarkonia states due to color charge screening is a predicted signature of quark–gluon plasma (QGP) formation, with a quarkonium state predicted to dissociate when the temperature of the medium is higher than the binding energy of the [...] Read more.
The dissociation, or “melting”, of heavy quarkonia states due to color charge screening is a predicted signature of quark–gluon plasma (QGP) formation, with a quarkonium state predicted to dissociate when the temperature of the medium is higher than the binding energy of the quarkonium state. A conclusive experimental observation of quarkonium melting coupled with a detailed theoretical understanding of the melting mechanism would enable the use of quarkonia states as temperature probes of the QGP, a long-sought goal in the field of relativistic heavy-ion collisions. However, the interpretation of quarkonia suppression measurements in heavy-ion collisions is complicated by numerous other cold nuclear matter effects that also result in the dissociation of bound quarkonia states. A comprehensive understanding of these cold nuclear matter effects is therefore needed in order to correctly interpret quarkonia production measurements in heavy-ion collisions and to observe the melting of quarkonium states experimentally. In this review, recent measurements of quarkonia production in pA and AA collisions and their state-of-the-art theoretical interpretations will be discussed, as well as the future measurements needed to further the knowledge of cold nuclear matter effects and realize a measurement of quarkonia melting in heavy-ion collisions. Full article
(This article belongs to the Special Issue Recent Advances in High-Energy Physics: QCD from Heavy-Ion to Electron-Ion Colliders)
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