Pseudorapidity dependence of charged hadron transverse momentum spectra in d+Au collisions at {radical}(s{sub NN})=200 GeV
Journal Article
·
· Physical Review. C, Nuclear Physics
- Physics Division, Argonne National Laboratory, Argonne, Illinois 60439-4843 (United States)
- Chemistry and C-A Departments, Brookhaven National Laboratory, Upton, New York 11973-5000 (United States)
- Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307 (United States); and others
We have measured the transverse momentum distributions of charged hadrons in d+Au collisions at {radical}(s{sub NN})=200 GeV in the range of 0.5<p{sub T}<4.0 GeV/c. The total range of pseudorapidity, {eta}, is 0.2<{eta}<1.4, where positive {eta} is in the deuteron direction. The data has been divided into three regions of pseudorapidity, covering 0.2<{eta}<0.6, 0.6<{eta}<1.0, and 1.0<{eta}<1.4, and has been compared to charged hadron spectra from p+p collisions at the same energy. There is a significant change in the spectral shape as a function of pseudorapidity. As {eta} increases we see a decrease in the nuclear modification factor R{sub dAu}.
- OSTI ID:
- 20695794
- Journal Information:
- Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 6 Vol. 70; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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