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Measurement Of The Relative Yields Of Psi(2s) To Psi(1s) Mesons Produced At Forward And Backward Rapidity In P Plus P, P Plus Al, P + Au, And He-3+au Collisions At Root S-nn=200 Gev
The PHENIX Collaboration has measured the ratio of the yields of psi(2S) to psi(1S) mesons produced in p + p, p + Al, p + Au, and He-3+Au collisions at root S-NN = 200 GeV over the forward and backward rapidity intervals 1.2 < | y | < 2...
We report the first measurement of the full angular distribution for inclusive J/psi -> mu(+)mu(-) decays in p + p collisions at root s = 510 GeV. The measurements are made for J/psi transverse momentum 2 < p(T) < 10 GeV /c and rapidity...
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