Transverse momentum dependent two-pion Bose-Einstein correlations in Au + Au collisions at 11.6 A {center_dot} GeV/c
- Brookhaven National Lab., Upton, NY (United States). Physics Dept.
Bose-Einstein correlations of {pi}{sup +}{pi}{sup +} and {pi}{sup {minus}}{pi}{sup {minus}} pairs collected by the BNL-E866 Forward Spectrometer in 11.6 A{center_dot}GeV/c Au + Au collisions have been measured. The data were analyzed using three-dimensional correlation functions parameterized by the Yano-Koonin-Potgoretskii and Bertsch-Pratt formalism to study transverse momentum dependent source parameters. Rapid decreases of longitudinal source radii and slower decreases in the transverse parameters with increasing transverse momentum were observed, which suggests a strong longitudinal and some transverse expansion. A freeze-out time {tau}{sub 0} was derived as 4.5--5 fm/c, under the assumption of the freeze-out temperature T = 130 MeV, and the duration of emission was found to be {delta}{tau} {approx} 2--4 fm/c.
- Research Organization:
- Brookhaven National Lab., Upton, NY (United States); Columbia Univ., New York, NY (United States); Lawrence Livermore National Lab., CA (United States); Massachusetts Inst. of Tech., Cambridge, MA (United States); Univ. of California, Riverside, CA (United States)
- Sponsoring Organization:
- USDOE Assistant Secretary for Energy Efficiency and Renewable Energy, Washington, DC (United States); National Aeronautics and Space Administration, Washington, DC (United States); Korea Science and Engineering Foundation (Korea, Republic of); Ministry of Education, Science and Culture (Japan)
- DOE Contract Number:
- AC02-98CH10886; FG02-86ER40281; W-7405-ENG-48; AC02-76ER03069; FG03-86ER40271
- OSTI ID:
- 674842
- Report Number(s):
- BNL--65783; CONF-9806134--; ON: DE99000605; BR: KB0201; CNN: Contract NASA NGR-05-003-513
- Country of Publication:
- United States
- Language:
- English
Similar Records
Transverse momentum and rapidity dependence of Hanbury-Brown-Twiss correlations in Au+Au collisions at {radical}(s{sub NN})= 62.4 and 200 GeV
Nuclear Coulomb Field Effects in Two-Pion Bose-Einstein Correlations
Pion Interferometry in AU+AU Collisions at the AGS
Journal Article
·
Tue Mar 14 23:00:00 EST 2006
· Physical Review. C, Nuclear Physics
·
OSTI ID:20771317
Nuclear Coulomb Field Effects in Two-Pion Bose-Einstein Correlations
Conference
·
Sat Mar 20 23:00:00 EST 1999
·
OSTI ID:770819
Pion Interferometry in AU+AU Collisions at the AGS
Conference
·
Fri Jan 08 23:00:00 EST 1999
·
OSTI ID:770812