TY - GEN
T1 - Semi/exclusive meson production at EIC energies
AU - Strikman, Mark
PY - 2011
Y1 - 2011
N2 - We discuss interplay of the leading twist and higher twist effects in vector meson production in DIS, kinematics which is necessary to study nucleon GPDs. It is explained that the DGLAP evolution of dipole - parton elastic amplitude is suppressed in large t rapidity gap processes with leading J /psi allowing to explain the recent HERA observations. This effect may mimic effect of softening of t-dependence of the GPDs with decrease of x. A pattern of the energy dependence of the t-slope for the hard amplitude with non-vacuum exchange in t-channel is suggested. It could be studied in a novel class of 2 → 3 hard processes which can also probe dynamics of the large angle 2 → 2 processes as well as various hadrons and photon.
AB - We discuss interplay of the leading twist and higher twist effects in vector meson production in DIS, kinematics which is necessary to study nucleon GPDs. It is explained that the DGLAP evolution of dipole - parton elastic amplitude is suppressed in large t rapidity gap processes with leading J /psi allowing to explain the recent HERA observations. This effect may mimic effect of softening of t-dependence of the GPDs with decrease of x. A pattern of the energy dependence of the t-slope for the hard amplitude with non-vacuum exchange in t-channel is suggested. It could be studied in a novel class of 2 → 3 hard processes which can also probe dynamics of the large angle 2 → 2 processes as well as various hadrons and photon.
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U2 - 10.1142/9789814329569_0043
DO - 10.1142/9789814329569_0043
M3 - Conference contribution
AN - SCOPUS:84885623300
SN - 981432955X
SN - 9789814329552
T3 - Exclusive Reactions at High Momentum Transfer IV - Proceedings of the 4th Workshop
SP - 395
EP - 406
BT - Exclusive Reactions at High Momentum Transfer IV - Proceedings of the 4th Workshop
PB - World Scientific Publishing Co. Pte Ltd
T2 - 2010 4th Workshop on Exclusive Reactions at High Momentum Transfer
Y2 - 18 May 2010 through 21 May 2010
ER -