Inclusive two-gluon and valence-quark-gluon production in DIS andpAcollisions

2004 ◽  
Vol 70 (11) ◽  
Author(s):  
Jamal Jalilian-Marian ◽  
Yuri V. Kovchegov
Keyword(s):  
Valence Quark ◽  
Gluon Production

scholarly journals Valence-quark distribution of the kaon and pion from lattice QCD

2021 ◽  
Vol 103 (1) ◽  
Author(s):  
Huey-Wen Lin ◽  
Jiunn-Wei Chen ◽  
Zhouyou Fan ◽  
Jian-Hui Zhang ◽  
Rui Zhang
Keyword(s):  
Lattice Qcd ◽  
Valence Quark ◽  
Quark Distribution

scholarly journals CONSTITUENT QUARKS AND THE SPIN OF THE PROTON

2009 ◽  
Vol 24 (27) ◽  
pp. 2167-2174 ◽  
Author(s):  
H. FRITZSCH ◽  
G. ELDAHOUMI
Keyword(s):  
Internal Structure ◽  
Bound States ◽  
Spin Structure ◽  
Constituent Quark ◽  
Valence Quark

The constituent quarks are interpreted as bound states, which have an internal structure. The quark distributions of the proton are related to those of the constituent quarks. The experiments support this hypothesis. Likewise the spin structure of the proton is related to the spin structure of the constituent quarks. We find that about 30% of the spin of a constituent quark is given by the valence quark, and 70% are provided by the gluons.

scholarly journals CHARMONIUM PRODUCTION AT THE LHC

1996 ◽  
Vol 11 (19) ◽  
pp. 1555-1562 ◽  
Author(s):  
K. SRIDHAR
Keyword(s):  
Cross Section ◽  
Event Rate ◽  
Charm Quark ◽  
Large Transverse Momentum ◽  
Fragmentation Mechanism ◽  
Charmonium Production ◽  
Quark Fragmentation ◽  
Gluon Production ◽  
Gluon Fragmentation ◽  
Important Test

The analyses of large transverse momentum charmonium production at the Tevatron have shown that fragmentation of gluons is an important production mechanism. We study large-pT charmonium production in pp collisions at the LHC, and find that due to the copious gluon production at this energy, the gluon fragmentation contribution completely overwhelms the fusion contribution and the charm quark fragmentation contribution. Our analysis shows that for J/ψ production at the LHC, there is a significant event rate even for pT ~ 100 GeV. The measurement of the cross-section at such large values of pT will provide a very important test of the fragmentation mechanism.

scholarly journals Gluon production, cooling, and entropy in nuclear collisions

1994 ◽  
Vol 50 (1) ◽  
pp. 406-409 ◽  
Author(s):  
J. Letessier ◽  
J. Rafelski ◽  
A. Tounsi
Keyword(s):  
Nuclear Collisions ◽  
Gluon Production
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