Freeze-out conditions from net-proton and net-charge fluctuations at RHIC

Alba, Paolo; Alberico, Wanda; Bellwied, Rene; Bluhm, Marcus; Mantovani Sarti, Valentina; Nahrgang, Marlene; Ratti, Claudia

doi:10.1016/j.physletb.2014.09.052

Title: Freeze-out conditions from net-proton and net-charge fluctuations at RHIC

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Abstract

We calculate ratios of higher-order susceptibilities quantifying fluctuations in the number of net-protons and in the net-electric charge using the Hadron Resonance Gas (HRG) model. We take into account the effect of resonance decays, the kinematic acceptance cuts in rapidity, pseudo-rapidity and transverse momentum used in the experimental analysis, as well as a randomization of the isospin of nucleons in the hadronic phase. By comparing these results to the latest experimental data from the STAR Collaboration, we determine the freeze-out conditions from net-electric charge and net-proton distributions and discuss their consistency.

Authors:: Alba, Paolo; Alberico, Wanda; Bellwied, Rene; Bluhm, Marcus; Mantovani Sarti, Valentina; Nahrgang, Marlene; Ratti, Claudia

Publication Date:: Sat Nov 01 00:00:00 EDT 2014

Research Org.:: Univ. of Houston, TX (United States). Dept. of Physics; North Carolina State Univ., Raleigh, NC (United States). Dept. of Physics; Duke Univ., Durham, NC (United States). Dept. of Physics.

Sponsoring Org.:: USDOE

OSTI Identifier:: 1197906

Alternate Identifier(s):: OSTI ID: 1213402

Grant/Contract Number:: FG02-03ER41260; FG02-05ER41367; FG02-07ER41521

Resource Type:: Published Article

Journal Name:: Physics Letters B

Additional Journal Information:: Journal Name: Physics Letters B Journal Volume: 738 Journal Issue: C; Journal ID: ISSN 0370-2693

Publisher:: Elsevier

Country of Publication:: Netherlands

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Alba, Paolo, Alberico, Wanda, Bellwied, Rene, Bluhm, Marcus, Mantovani Sarti, Valentina, Nahrgang, Marlene, and Ratti, Claudia. Freeze-out conditions from net-proton and net-charge fluctuations at RHIC.  Netherlands: N. p., 2014. 
Web.  doi:10.1016/j.physletb.2014.09.052.

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                    Alba, Paolo, Alberico, Wanda, Bellwied, Rene, Bluhm, Marcus, Mantovani Sarti, Valentina, Nahrgang, Marlene, & Ratti, Claudia. Freeze-out conditions from net-proton and net-charge fluctuations at RHIC.  Netherlands.  https://doi.org/10.1016/j.physletb.2014.09.052

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                    Alba, Paolo, Alberico, Wanda, Bellwied, Rene, Bluhm, Marcus, Mantovani Sarti, Valentina, Nahrgang, Marlene, and Ratti, Claudia. Sat .  
"Freeze-out conditions from net-proton and net-charge fluctuations at RHIC".  Netherlands.  https://doi.org/10.1016/j.physletb.2014.09.052.

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@article{osti_1197906,

  title        = {Freeze-out conditions from net-proton and net-charge fluctuations at RHIC},

  author       = {Alba, Paolo and Alberico, Wanda and Bellwied, Rene and Bluhm, Marcus and Mantovani Sarti, Valentina and Nahrgang, Marlene and Ratti, Claudia},

  abstractNote = {We calculate ratios of higher-order susceptibilities quantifying fluctuations in the number of net-protons and in the net-electric charge using the Hadron Resonance Gas (HRG) model. We take into account the effect of resonance decays, the kinematic acceptance cuts in rapidity, pseudo-rapidity and transverse momentum used in the experimental analysis, as well as a randomization of the isospin of nucleons in the hadronic phase. By comparing these results to the latest experimental data from the STAR Collaboration, we determine the freeze-out conditions from net-electric charge and net-proton distributions and discuss their consistency.},

  doi          = {10.1016/j.physletb.2014.09.052},

  journal      = {Physics Letters B},

  number       = C,

  volume       = 738,

  place        = {Netherlands},

  year         = {Sat Nov 01 00:00:00 EDT 2014},

  month        = {Sat Nov 01 00:00:00 EDT 2014}

}

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