Narrowing of the Balance Function with Centrality in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="normal">A</mml:mi><mml:mi mathvariant="normal">u</mml:mi><mml:mo>+</mml:mo><mml:mi mathvariant="normal">A</mml:mi><mml:mi mathvariant="normal">u</mml:mi></mml:math>Collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>130</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi mathvariant="normal">G</mml:mi><mml:mi mathvariant="normal">e</mml:mi><mml:mi mathvariant="normal">V</mml:mi></mml:math>
J. R. AdamsUniversity of Birmingham, Birmingham, United KingdomC. AdlerUniversity of Frankfurt, Frankfurt, GermanyZ. AhammedPurdue University, West Lafayette, Indiana 47907, USAC. AllgowerIndiana University, Bloomington, Indiana 47408, USAJ. AmonettKent State University, Kent, Ohio 44242, USAB. D. AndersonKent State University, Kent, Ohio 44242, USAM. AndersonUniversity of California, Davis, California 95616, USAG. S. AverichevJ. BalewskiIndiana University, Bloomington, Indiana 47408, USAO. BarannikovaLaboratory for High Energy (JINR), Dubna, RussiaL. S. BarnbyKent State University, Kent, Ohio 44242, USAJ. BaudotS. BekeleOhio State University, Columbus, Ohio 43210, USAV. V. BelagaR. BellwiedWayne State University, Detroit, Michigan 48201, USAJ. BergerUniversity of Frankfurt, Frankfurt, GermanyH. BichselUniversity of Washington, Seattle, Washington 98195, USAA. BillmeierWayne State University, Detroit, Michigan 48201, USAL. C. BlandBrookhaven National Laboratory, Upton, New York 11973, USAC. O. BlythUniversity of Birmingham, Birmingham, United KingdomB. E. BonnerRice University, Houston, Texas 77251, USAA. BouchamSUBATECH, Nantes, FranceA. V. BrandinMoscow Engineering Physics Institute, Moscow RussiaA. BravarBrookhaven National Laboratory, Upton, New York 11973, USAR. V. CadmanArgonne National Laboratory, Argonne, Illinois 60439, USAX. Z. CaiYale University, New Haven, Connecticut 06520, USAM. Calderónde la Barca SánchezBrookhaven National Laboratory, Upton, New York 11973, USACarlos CárdenasPurdue University, West Lafayette, Indiana 47907, USAJ. T. CarrollLawrence Berkeley National Laboratory, Berkeley, California 94720, USAJ. Castillo CastellanosLawrence Berkeley National Laboratory, Berkeley, California 94720, USAM. CastroWayne State University, Detroit, Michigan 48201, USAD. CebraUniversity of California, Davis, California 95616, USAP. ChaloupkaOhio State University, Columbus, Ohio 43210, USAS. ChattopadhyayWayne State University, Detroit, Michigan 48201, USAY. ChenUniversity of California, Los Angeles, California 90095, USAS. ChernenkoM. CherneyCreighton University, Omaha, Nebraska 68178, USAA. ChikanianYale University, New Haven, Connecticut 06520, USAB. ChoiUniversity of Texas, Austin, Texas 78712, USAW. ChristieBrookhaven National Laboratory, Upton, New York 11973, USAJ. P. CoffinT. M. CormierWayne State University, Detroit, Michigan 48201, USAM.M. CorralMax-Planck-Institut fuer Physik, Munich, GermanyJ. G. CramerUniversity of Washington, Seattle, Washington 98195, USAH. J. CrawfordUniversity of California, Berkeley, California 94720, USAA. A. DerevschikovInstitute of High Energy Physics, Protvino, RussiaL. DidenkoBrookhaven National Laboratory, Upton, New York 11973, USAT. DietelUniversity of Frankfurt, Frankfurt, GermanyJ. E. DraperUniversity of California, Davis, California 95616, USAV. B. DuninJ. C. DunlopYale University, New Haven, Connecticut 06520, USAV. EckardtMax-Planck-Institut fuer Physik, Munich, GermanyL. G. EfimovВ. ЕмеляновMoscow Engineering Physics Institute, Moscow RussiaJ. EngelageUniversity of California, Berkeley, California 94720, USAG. EppleyRice University, Houston, Texas 77251, USAB. ErazmusSUBATECH, Nantes, FranceP. FachiniBrookhaven National Laboratory, Upton, New York 11973, USAV. FaineBrookhaven National Laboratory, Upton, New York 11973, USAJ. FaivreR. FatemiIndiana University, Bloomington, Indiana 47408, USAK. FilimonovLawrence Berkeley National Laboratory, Berkeley, California 94720, USAE. FinchYale University, New Haven, Connecticut 06520, USAY. FisyakBrookhaven National Laboratory, Upton, New York 11973, USAD. FlierlUniversity of Frankfurt, Frankfurt, GermanyK. J. FoleyBrookhaven National Laboratory, Upton, New York 11973, USAJ. FuInstitute of Particle Physics, CCNU (HZNU), Wuhan, 430079 ChinaC. A. GagliardiTexas A&M University, College Station, Texas 77843, USAN. GagunashviliJ. GansYale University, New Haven, Connecticut 06520, USAL. GaudichetSUBATECH, Nantes, FranceM. GermainF. J. M. GeurtsRice University, Houston, Texas 77251, USAV. GhazikhanianUniversity of California, Los Angeles, California 90095, USAO. GrachovWayne State University, Detroit, Michigan 48201, USAV. GrigorievMoscow Engineering Physics Institute, Moscow RussiaM. GuedonS. M. GuertinUniversity of California, Los Angeles, California 90095, USAE. GushinMoscow Engineering Physics Institute, Moscow RussiaT. J. HallmanBrookhaven National Laboratory, Upton, New York 11973, USAD. HardtkeLawrence Berkeley National Laboratory, Berkeley, California 94720, USAJ. W. HarrisYale University, New Haven, Connecticut 06520, USAM. HeinzYale University, New Haven, Connecticut 06520, USAT. W. HenryTexas A&M University, College Station, Texas 77843, USAS. HeppelmannPennsylvania State University, University Park, Pennsylvania 16802, USAT. HerstonPurdue University, West Lafayette, Indiana 47907, USAB. HippolyteA. HirschPurdue University, West Lafayette, Indiana 47907, USAE. HjortLawrence Berkeley National Laboratory, Berkeley, California 94720, USAG. W. HoffmannUniversity of Texas, Austin, Texas 78712, USAM. HorsleyYale University, New Haven, Connecticut 06520, USAH. Z. HuangUniversity of California, Los Angeles, California 90095, USAT. J. HumanicOhio State University, Columbus, Ohio 43210, USAG. IgoUniversity of California, Los Angeles, California 90095, USAA. IshiharaUniversity of Texas, Austin, Texas 78712, USAYu. I. IvanshinP. JacobsLawrence Berkeley National Laboratory, Berkeley, California 94720, USAW. W. JacobsIndiana University, Bloomington, Indiana 47408, USAM. A. JanikWarsaw University of Technology, Warsaw, PolandI. JohnsonLawrence Berkeley National Laboratory, Berkeley, California 94720, USA
2003lv
ABI
Аннотация
The balance function is a new observable based on the principle that charge is locally conserved when particles are pair produced. Balance functions have been measured for charged particle pairs and identified charged pion pairs in Au+Au collisions at the square root of SNN = 130 GeV at the Relativistic Heavy Ion Collider using STAR. Balance functions for peripheral collisions have widths consistent with model predictions based on a superposition of nucleon-nucleon scattering. Widths in central collisions are smaller, consistent with trends predicted by models incorporating late hadronization.
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