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Title: Baryon stopping and charged particle production from lead-lead collisions at 158 GeV per nucleon

Abstract

Net proton (proton minus antiproton) and negative charge hadron spectra (h-) from central Pb+Pb collisions at 158 GeV per nucleon at the CERN Super Proton Synchrotron were measured and compared to spectra from central collisions of the lighter S+S system. Net baryon distributions were derived from those of net protons and net lambdas. Stopping, or rapidity shift with respect to the beam, of net protons and net baryons increase with system size. The mean transverse momentum of net protons also increase with system size. The h- rapidity density scales with the number of participant nucleons for nuclear collisions, where their is independent of system size. The dependence upon particle mass and system size is consistent with larger transverse flow velocity at midrapidity for central collisions of Pb+Pb compared to that of S+S.

Authors:
 [1]
  1. Univ. of California, Los Angeles, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
767742
Report Number(s):
LBNL-45935
R&D Project: NRNC; TRN: US0005715
DOE Contract Number:  
AC03-76SF00098
Resource Type:
Thesis/Dissertation
Resource Relation:
Other Information: TH: Thesis (Ph.D.); Submitted to University of California, Los Angeles, CA (US); PBD: 1 Jul 1999
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; BARYONS; CHARGED PARTICLES; NUCLEONS; PRODUCTION; TRANSVERSE MOMENTUM; CERN NA49 LEAD PROTON BARYON STOPPING NEGATIVE HADRON PRODUCTION

Citation Formats

Toy, Milton Y. Baryon stopping and charged particle production from lead-lead collisions at 158 GeV per nucleon. United States: N. p., 1999. Web. doi:10.2172/767742.
Toy, Milton Y. Baryon stopping and charged particle production from lead-lead collisions at 158 GeV per nucleon. United States. doi:10.2172/767742.
Toy, Milton Y. Fri . "Baryon stopping and charged particle production from lead-lead collisions at 158 GeV per nucleon". United States. doi:10.2172/767742. https://www.osti.gov/servlets/purl/767742.
@article{osti_767742,
title = {Baryon stopping and charged particle production from lead-lead collisions at 158 GeV per nucleon},
author = {Toy, Milton Y.},
abstractNote = {Net proton (proton minus antiproton) and negative charge hadron spectra (h-) from central Pb+Pb collisions at 158 GeV per nucleon at the CERN Super Proton Synchrotron were measured and compared to spectra from central collisions of the lighter S+S system. Net baryon distributions were derived from those of net protons and net lambdas. Stopping, or rapidity shift with respect to the beam, of net protons and net baryons increase with system size. The mean transverse momentum of net protons also increase with system size. The h- rapidity density scales with the number of participant nucleons for nuclear collisions, where their is independent of system size. The dependence upon particle mass and system size is consistent with larger transverse flow velocity at midrapidity for central collisions of Pb+Pb compared to that of S+S.},
doi = {10.2172/767742},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {1}
}

Thesis/Dissertation:
Other availability
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