scholarly journals NRQCD analysis of charmonium production with pion and proton beams at fixed-target energies

Author(s):  
Chia-Yu Hsieh ◽  
Yu-Shiang Lian ◽  
Wen-Chen Chang ◽  
Jen-Chieh Peng ◽  
Stephane Platchkov ◽  
...  
2016 ◽  
Vol 113 (3) ◽  
pp. 34001 ◽  
Author(s):  
J. Borburgh ◽  
S. Damjanovic ◽  
S. Gilardoni ◽  
M. Giovannozzi ◽  
C. Hernalsteens ◽  
...  

2011 ◽  
Vol 74 (3) ◽  
pp. 446-452 ◽  
Author(s):  
A. B. Kurepin ◽  
N. S. Topilskaya ◽  
M. B. Golubeva

2015 ◽  
Vol 2015 ◽  
pp. 1-8 ◽  
Author(s):  
Kai Zhou ◽  
Zhengyu Chen ◽  
Pengfei Zhuang

We investigate charmonium production in Pb + Pb collisions at LHC beam energyElab=2.76A TeV at fixed-target experiment (sNN= 72 GeV). In the frame of a transport approach including cold and hot nuclear matter effects on charmonium evolution, we focus on the antishadowing effect on the nuclear modification factorsRAAandrAAfor theJ/ψyield and transverse momentum. The yield is more suppressed at less forward rapidity (ylab≃2) than that at very forward rapidity (ylab≃4) due to the shadowing and antishadowing in different rapidity bins.


2005 ◽  
Vol 20 (16) ◽  
pp. 3756-3758
Author(s):  
◽  
MICHAEL BEGEL

Measurements of the production of high-pT direct photons by a 515 GeV/c π- beam and 530 and 800 GeV/c proton beams in interactions with Be and H 2 targets are presented. The data span the kinematic ranges of 3.5 < pT < 12 GeV/c in transverse momentum and 1.5 units in rapidity. The inclusive direct-photon cross sections are compared with NLO pQCD calculations and expectations based on a phenomenological parton-kT model.


1997 ◽  
Vol 12 (22) ◽  
pp. 3847-3855
Author(s):  
Karla Hagan

Charmonium results are presented from Fermilab Experiment 771, proton-silicon interactions at [Formula: see text] with a fixed target spectrometer and dimuon trigger. Total and differential cross sections for J/ψ and ψ(2S) will be discussed, as well as a preliminary result on χ production.


2006 ◽  
Vol 638 (2-3) ◽  
pp. 202-208 ◽  
Author(s):  
F. Maltoni ◽  
J. Spengler ◽  
M. Bargiotti ◽  
A. Bertin ◽  
M. Bruschi ◽  
...  

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