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Production and energy loss of strange and heavy quarks.

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Title: Production and energy loss of strange and heavy quarks.
Authors: Lijuan Ruan, for the, STAR Collaboration
Source: Journal of Physics G: Nuclear & Particle Physics. Sep2010, Vol. 37 Issue 9, p094013-094013. 1p.
Subjects: Pair production, Energy dissipation, Strange particles, Heavy ions, Degrees of freedom, Angular momentum (Nuclear physics), Calibration, Flavor in particle physics, Heavy ion collisions
Abstract: Data taken over the last several years have demonstrated that RHIC has created a hot, dense medium with partonic degrees of freedom. Identified particle spectra at high transverse momentum (pT) and heavy flavor that are thought to be well-calibrated probes thus serve as ideal tools to study the properties of the medium. We present pT distributions of particle ratios in p+p collisions from the STAR experiment to understand the particle production mechanisms. These measurements will also constrain fragmentation functions in hadron-hardon collisions. In heavy-ion collisions, we highlight (1) recent measurements of strange hadrons and heavy flavor decay electrons up to high pT to study jet interaction with the medium and explore partonic energy loss mechanisms, and (2) U and high pT J/ps measurements to study the effect of color screening and other possible production mechanisms. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Physics G: Nuclear & Particle Physics is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 52877874
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
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  Data: Production and energy loss of strange and heavy quarks.
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  Data: <searchLink fieldCode="AR" term="%22Lijuan+Ruan%22">Lijuan Ruan</searchLink><br /><searchLink fieldCode="AR" term="%22for+the%22">for the</searchLink><br /><searchLink fieldCode="AR" term="%22STAR+Collaboration%22">STAR Collaboration</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Pair+production%22">Pair production</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+dissipation%22">Energy dissipation</searchLink><br /><searchLink fieldCode="DE" term="%22Strange+particles%22">Strange particles</searchLink><br /><searchLink fieldCode="DE" term="%22Heavy+ions%22">Heavy ions</searchLink><br /><searchLink fieldCode="DE" term="%22Degrees+of+freedom%22">Degrees of freedom</searchLink><br /><searchLink fieldCode="DE" term="%22Angular+momentum+%28Nuclear+physics%29%22">Angular momentum (Nuclear physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Calibration%22">Calibration</searchLink><br /><searchLink fieldCode="DE" term="%22Flavor+in+particle+physics%22">Flavor in particle physics</searchLink><br /><searchLink fieldCode="DE" term="%22Heavy+ion+collisions%22">Heavy ion collisions</searchLink>
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  Label: Abstract
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  Data: Data taken over the last several years have demonstrated that RHIC has created a hot, dense medium with partonic degrees of freedom. Identified particle spectra at high transverse momentum (pT) and heavy flavor that are thought to be well-calibrated probes thus serve as ideal tools to study the properties of the medium. We present pT distributions of particle ratios in p+p collisions from the STAR experiment to understand the particle production mechanisms. These measurements will also constrain fragmentation functions in hadron-hardon collisions. In heavy-ion collisions, we highlight (1) recent measurements of strange hadrons and heavy flavor decay electrons up to high pT to study jet interaction with the medium and explore partonic energy loss mechanisms, and (2) U and high pT J/ps measurements to study the effect of color screening and other possible production mechanisms. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Physics G: Nuclear & Particle Physics is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Code: eng
        Text: English
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      – SubjectFull: Pair production
        Type: general
      – SubjectFull: Energy dissipation
        Type: general
      – SubjectFull: Strange particles
        Type: general
      – SubjectFull: Heavy ions
        Type: general
      – SubjectFull: Degrees of freedom
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      – SubjectFull: Angular momentum (Nuclear physics)
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      – SubjectFull: Calibration
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      – SubjectFull: Flavor in particle physics
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      – SubjectFull: Heavy ion collisions
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      – TitleFull: Production and energy loss of strange and heavy quarks.
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              M: 09
              Text: Sep2010
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