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Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions
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Zeitschriftentitel: | EPJ Web of Conferences |
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In: | EPJ Web of Conferences, 172, 2018, S. 05004 |
Format: | E-Article |
Sprache: | Unbestimmt |
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EDP Sciences
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Schlagwörter: |
author_facet |
A. Trainor, Thomas A. Trainor, Thomas |
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author |
A. Trainor, Thomas |
spellingShingle |
A. Trainor, Thomas EPJ Web of Conferences Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions General Earth and Planetary Sciences General Engineering General Environmental Science |
author_sort |
a. trainor, thomas |
spelling |
A. Trainor, Thomas 2100-014X EDP Sciences General Earth and Planetary Sciences General Engineering General Environmental Science http://dx.doi.org/10.1051/epjconf/201817205004 <jats:p>Collectivity, as interpreted to mean flow of a dense medium in high-energy A-A collisions described by hydrodynamics, has been attributed to smaller collision systems – p-A and even p-p collisions – based on recent analysis of LHC data. However, alternative methods reveal that some data features attributed to flows are actually manifestations of minimum-bias (MB) jets. In this presentation I review the differential structure of single-particle <jats:italic>p<jats:sub>t</jats:sub></jats:italic> spectra from SPS to LHC energies in the context of a two-component (soft + hard) model (TCM) of hadron production. I relate the spectrum hard component to measured properties of isolated jets. I use the spectrum TCM to predict accurately the systematics of ensemble-mean <jats:italic>p̅<jats:sub>t</jats:sub></jats:italic> in p-p, p-A and A-A collision systems over a large energy interval. Detailed comparisons of the TCM with spectrum and correlation data suggest that MB jets play a dominant role in hadron production near midrapidity. Claimed flow phenomena are better explained as jet manifestations agreeing quantitatively with measured jet properties.</jats:p> Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions EPJ Web of Conferences |
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10.1051/epjconf/201817205004 |
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EDP Sciences |
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EPJ Web of Conferences |
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title |
Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_unstemmed |
Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_full |
Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_fullStr |
Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_full_unstemmed |
Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_short |
Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_sort |
collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
topic |
General Earth and Planetary Sciences General Engineering General Environmental Science |
url |
http://dx.doi.org/10.1051/epjconf/201817205004 |
publishDate |
2018 |
physical |
05004 |
description |
<jats:p>Collectivity, as interpreted to mean flow of a dense medium in high-energy A-A collisions described by hydrodynamics, has been attributed to smaller collision systems – p-A and even p-p collisions – based on recent analysis of LHC data. However, alternative methods reveal that some data features attributed to flows are actually manifestations of minimum-bias (MB) jets. In this presentation I review the differential structure of single-particle <jats:italic>p<jats:sub>t</jats:sub></jats:italic> spectra from SPS to LHC energies in the context of a two-component (soft + hard) model (TCM) of hadron production. I relate the spectrum hard component to measured properties of isolated jets. I use the spectrum TCM to predict accurately the systematics of ensemble-mean <jats:italic>p̅<jats:sub>t</jats:sub></jats:italic> in p-p, p-A and A-A collision systems over a large energy interval. Detailed comparisons of the TCM with spectrum and correlation data suggest that MB jets play a dominant role in hadron production near midrapidity. Claimed flow phenomena are better explained as jet manifestations agreeing quantitatively with measured jet properties.</jats:p> |
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author | A. Trainor, Thomas |
author_facet | A. Trainor, Thomas, A. Trainor, Thomas |
author_sort | a. trainor, thomas |
container_start_page | 0 |
container_title | EPJ Web of Conferences |
container_volume | 172 |
description | <jats:p>Collectivity, as interpreted to mean flow of a dense medium in high-energy A-A collisions described by hydrodynamics, has been attributed to smaller collision systems – p-A and even p-p collisions – based on recent analysis of LHC data. However, alternative methods reveal that some data features attributed to flows are actually manifestations of minimum-bias (MB) jets. In this presentation I review the differential structure of single-particle <jats:italic>p<jats:sub>t</jats:sub></jats:italic> spectra from SPS to LHC energies in the context of a two-component (soft + hard) model (TCM) of hadron production. I relate the spectrum hard component to measured properties of isolated jets. I use the spectrum TCM to predict accurately the systematics of ensemble-mean <jats:italic>p̅<jats:sub>t</jats:sub></jats:italic> in p-p, p-A and A-A collision systems over a large energy interval. Detailed comparisons of the TCM with spectrum and correlation data suggest that MB jets play a dominant role in hadron production near midrapidity. Claimed flow phenomena are better explained as jet manifestations agreeing quantitatively with measured jet properties.</jats:p> |
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source_id | 49 |
spelling | A. Trainor, Thomas 2100-014X EDP Sciences General Earth and Planetary Sciences General Engineering General Environmental Science http://dx.doi.org/10.1051/epjconf/201817205004 <jats:p>Collectivity, as interpreted to mean flow of a dense medium in high-energy A-A collisions described by hydrodynamics, has been attributed to smaller collision systems – p-A and even p-p collisions – based on recent analysis of LHC data. However, alternative methods reveal that some data features attributed to flows are actually manifestations of minimum-bias (MB) jets. In this presentation I review the differential structure of single-particle <jats:italic>p<jats:sub>t</jats:sub></jats:italic> spectra from SPS to LHC energies in the context of a two-component (soft + hard) model (TCM) of hadron production. I relate the spectrum hard component to measured properties of isolated jets. I use the spectrum TCM to predict accurately the systematics of ensemble-mean <jats:italic>p̅<jats:sub>t</jats:sub></jats:italic> in p-p, p-A and A-A collision systems over a large energy interval. Detailed comparisons of the TCM with spectrum and correlation data suggest that MB jets play a dominant role in hadron production near midrapidity. Claimed flow phenomena are better explained as jet manifestations agreeing quantitatively with measured jet properties.</jats:p> Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions EPJ Web of Conferences |
spellingShingle | A. Trainor, Thomas, EPJ Web of Conferences, Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions, General Earth and Planetary Sciences, General Engineering, General Environmental Science |
title | Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_full | Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_fullStr | Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_full_unstemmed | Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_short | Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_sort | collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
title_unstemmed | Collectivity and manifestations of minimum-bias jets in high-energy nuclear collisions |
topic | General Earth and Planetary Sciences, General Engineering, General Environmental Science |
url | http://dx.doi.org/10.1051/epjconf/201817205004 |