PHENIX study of the initial state with forward hadron measurements in 200 GeV p(d)+A and 3He+Au collisions - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Conference Papers Year : 2019

PHENIX study of the initial state with forward hadron measurements in 200 GeV p(d)+A and 3He+Au collisions

Jason Bryslawskyj
  • Function : Author
R.G. de Cassagnac

Abstract

Forward hadron measurements in p(d)+A provide a signal to study nuclear shadowing, initial state energy loss and/or gluon saturation effects as a function of rapidity, centrality and energy. High p T identified π0 measurements are an essential first step toward measuring prompt photon production. The π0 measurements are enabled by the PHENIX MPC-EX detector, a Si-W preshower detector located in front of the Muon Piston Calorimeter (MPC), expanding the neutral pion reconstruction capabilities in the rapidity range 3.1 < η < 3.8 out to high energies, E < 80 GeV. Previous PHENIX measurements of punch-through charged hadrons in the muon arms in the rapidity range 1.4 < | η | < 2.2 were significantly improved through the capability of the forward silicon vertex detector (FVTX) to determine the transverse momentum and rapidity with high precision and reject background from secondary hadrons.

Dates and versions

in2p3-02045424 , version 1 (22-02-2019)

Identifiers

Cite

Jason Bryslawskyj, E.T. Atomssa, Z.C. del Valle, O. Drapier, F. Fleuret, et al.. PHENIX study of the initial state with forward hadron measurements in 200 GeV p(d)+A and 3He+Au collisions. 27th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions (Quark Matter), May 2018, Venise, Italy. pp.275-278, ⟨10.1016/j.nuclphysa.2018.09.070⟩. ⟨in2p3-02045424⟩
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