J/psi production from proton-proton collisions at root s=200 GeV

Adler, S.; Belikov, Sergey; Ogilvie, Craig; Bhagavatula, S.; Constantin, Paul; Grau, Nathan; Hill, John; Lajoie, John; Lebedev, Alexandre; Ogilvie, Craig; Rak, Jan; Rosati, Marzia; Wohn, F.; et al.

J/psi production from proton-proton collisions at root s=200 GeV

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2004_Ogilvie_ProductionProton.pdf (145.73 KB)

Date

2004-02-01

Authors

Adler, S.

Belikov, Sergey

Ogilvie, Craig

Bhagavatula, S.

Constantin, Paul

Grau, Nathan

Hill, John

Lajoie, John

Lebedev, Alexandre

Ogilvie, Craig

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Ogilvie, Craig

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Physics and Astronomy

Physics and astronomy are basic natural sciences which attempt to describe and provide an understanding of both our world and our universe. Physics serves as the underpinning of many different disciplines including the other natural sciences and technological areas.

Department

Physics and Astronomy

Abstract

J/psi production has been measured in proton-proton collisions at roots=200 GeV over a wide rapidity and transverse momentum range by the PHENIX experiment at the Relativistic Heavy Ion Collider. Distributions of the rapidity and transverse momentum, along with measurements of the mean transverse momentum and total production cross section are presented and compared to available theoretical calculations. The total J/psi cross section is 4.0+/-0.6(stat)+/-0.6(syst)+/-0.4(abs) mu b. The mean transverse momentum is 1.80+/-0.23(stat)+/-0.16(syst) GeV/c.

Comments

This article is published as Adler, S. S., S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, J. Alexander, R. Amirikas et al. "J/ψ Production from Proton-Proton Collisions at s= 200 G e V." Physical review letters 92, no. 5 (2004): 051802. DOI:10.1103/PhysRevLett.92.051802. Posted with permission.

Copyright

Thu Jan 01 00:00:00 UTC 2004

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