scholarly journals Low mass vector-meson production in p-W and S-U high energy collisions

1995 ◽  
Author(s):  
Paula Bordalo ◽  
N. C. Abreu ◽  
C. Baglin ◽  
A. Baldit ◽  
C. Barrière ◽  
...  
2004 ◽  
Vol 19 (36) ◽  
pp. 2655-2671 ◽  
Author(s):  
RIKARD ENBERG

I review work on diffractive vector meson production in photon–proton collisions at high energy and large momentum transfer, accompanied by proton dissociation and a large rapidity gap. This process provides a test of the high energy scattering dynamics, but is also sensitive to the details of the treatment of the vector meson vertex.The emphasis is on the description of the process by a solution of the non-forward BFKL equation, i.e. the equation describing the evolution of scattering amplitudes in the high-energy limit of QCD. The formation of the vector meson and the nonperturbative modeling needed is also briefly discussed.


2004 ◽  
Vol 19 (07) ◽  
pp. 1099-1110 ◽  
Author(s):  
Y. YAMAZAKI

A review is given of the measurements of the diffractive process in recent years from two high-energy colliders, the HERA ep collider and the Tevatron [Formula: see text] collider. The energy dependence of the cross sections and the factorisation properties of diffractive processes are discussed.


1966 ◽  
Vol 36 (2) ◽  
pp. 366-372
Author(s):  
Masataka Hosoda ◽  
Kunio Yamamoto

2014 ◽  
Vol 90 (5) ◽  
Author(s):  
A. Adare ◽  
C. Aidala ◽  
N. N. Ajitanand ◽  
Y. Akiba ◽  
R. Akimoto ◽  
...  

2009 ◽  
Vol 24 (02n03) ◽  
pp. 237-244
Author(s):  
◽  
PIERRE MARAGE

The rich experimental landscape of exclusive vector meson production at the high energy electron–proton collider HERA is reviewed, with emphasis on the transition from soft to hard diffraction and QCD interpretations.


2005 ◽  
Vol 20 (02n03) ◽  
pp. 436-444
Author(s):  
◽  
DOROTA SZUBA

The diffractive production of vector mesons ep→eVMY, with VM=ρ0, ω, ϕ, J/ψ, ψ′ or ϒ and with Y being either the scattered proton or a low mass hadronic system, has been extensively investigated at HERA. HERA offers a unique opportunity to study the dependences of diffractive processes on different scales: the mass of the vector meson, mVM, the centre-of-mass energy of the γp system, W, the photon virtuality, Q2 and the four-momentum transfer squared at the proton vertex, |t|. Strong interactions can be investigated in the transition from the hard to the soft regime, where the confinement of quarks and gluons occurs.


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