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Universe
Special Issues
Analysis Techniques and Algorithms for QCD Studies
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Analysis Techniques and Algorithms for QCD Studies

A special issue of Universe (ISSN 2218-1997). This special issue belongs to the section "High Energy Nuclear and Particle Physics".

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 2341

Special Issue Editors

Dr. Sergei Chekanov

E-Mail Website
Guest Editor
Argonne National Laboratory, HEP Division, ANL, 9700 S.Cass, Lemont, IL 60439, USA
Interests: QCD; Standard Model; jets; BSM
Prof. Dr. Zack Sullivan

E-Mail Website
Guest Editor
Department of Physics, Illinois Institute of Technology, 3101 S. Dearborn St., Chicago, IL 60616-3793, USA
Interests: QCD; top quarks; proton structure

Special Issue Information

Dear Colleagues,

This Special Issue of Universe from MDPI is dedicated to analysis techniques used in particle collision experiments (e+e-, ep, pp, and heavy ions) that establish quantum chromodynamics (QCD) as a theory of strong interactions. The main topics cover the precision measurements of hadronic jets, forward jet physics, boosted jets and jet substructures, event shapes, event flows, studies of parton density functions, hadronic structure, measurements of the strong coupling constant, particle production, heavy flavour, and particle spectroscopy. Proposals for novel observables that can verify QCD and constrain its parameters beyond the already achieved precision are partcularly welcome. Tools and algorithms used for QCD measurements, such as jet clustering algorithms, track and particle-flow reconstruction, and methods based on machine learning techniques will also be covered.

Dr. Sergei Chekanov
Prof. Dr. Zack Sullivan
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.

Keywords

  • QCD
  • strong coupling constant
  • cross sections
  • jets
  • particle spectroscopy

Published Papers (1 paper)

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Research

66 pages, 15044 KiB  
Article
Applications of pT-xR Variables in Describing Inclusive Cross Sections at the LHC
by Frank E. Taylor
Universe 2021, 7(6), 196; https://doi.org/10.3390/universe7060196 - 9 Jun 2021
Viewed by 1870
Abstract
Invariant inclusive single-particle/jet cross sections in p–p collisions can be factorized in terms of two separable pT dependences, a [pT−s] sector and an [xR−pT−s] sector. Here, we extend our [...] Read more.
Invariant inclusive single-particle/jet cross sections in p–p collisions can be factorized in terms of two separable pT dependences, a [pT−s] sector and an [xR−pT−s] sector. Here, we extend our earlier work by analyzing more extensive data to explore various s-dependent attributes and other systematics of inclusive jet, photon and single particle reactions. Approximate power laws in s, pT and xR are found. Physical arguments are given which relate observations to the underlying physics of parton–parton hard scattering and the parton distribution functions in the proton. We show that the A(s,pT) function, introduced in our earlier publication to describe the pT dependence of the inclusive cross section, is directly related to the underlying hard parton–parton scattering for jet production, with little influence from soft physics. In addition to the a function, we introduce another function, the F(s,xR) function that obeys radial scaling for inclusive jets and offers another test of the underlying parton physics. An application to heavy ion physics is given, where we use our variables to determine the transparency of cold nuclear matter to penetrating heavy mesons through the lead nucleus. Full article
(This article belongs to the Special Issue Analysis Techniques and Algorithms for QCD Studies)
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