Thursday, June 6, 2013

1306.1072 (Evgeny Kryshen et al.)

Diffraction and ultraperipheral collisions at ALICCE    [PDF]

Evgeny Kryshen, for the ALICE collaboration
The ALICE experiment measured J/psi photoproduction in Pb+Pb ultraperipheral collisions at sqrt(s_NN) = 2.76 TeV at forward and central rapidity. The coherent J/psi cross section is found to be in good agreement with those models which include nuclear gluon shadowing consistent with EPS09 parametrization. Results on rho_0 photoproduction in ultra-peripheral Pb+Pb collisions are also briefly discussed. Studies on exclusive J/psi in p+Pb and on diffraction in pp collisions are mentioned.
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