THE BFKL POMERON IN DEEP-INELASTIC DIFFRACTIVE DISSOCIATION NEAR T=0

被引:18
作者
BARTELS, J
LOTTER, H
WUSTHOFF, M
机构
[1] II. Institut für Theoretische Physik, Universität Hamburg, Hamburg
来源
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1995年 / 68卷 / 01期
关键词
D O I
10.1007/BF01579811
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The small-t behaviour of the deep inelastic diffractive dissociation cross section in the triple Regge region is investigated, using the BFKL approximation in perturbative QCD. We show that the cross section is finite at t = 0, but the diffusion in In k(t)(2) leads to a large contribution of small momenta at the triple Pomeron vertex. We study the dependence upon the total energy and the invariant mass. At t = 0, there is a decoupling of the three BFKL singularities which is a consequence of the conservation of the conformal dimension. For large invariant masses, the four gluon state in the upper t-channel plays an important role and cannot be neglected.
引用
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页码:121 / 136
页数:16
相关论文
共 27 条
[1]  
AHMED T, 1994, DESY94133
[2]  
BALITSKII YY, 1978, SOV J NUCL PHYS+, V28, P822
[3]   UNITARITY CORRECTIONS TO THE LIPATOV POMERON AND THE SMALL-X REGION IN DEEP INELASTIC-SCATTERING IN QCD [J].
BARTELS, J .
PHYSICS LETTERS B, 1993, 298 (1-2) :204-210
[4]   A NOTE ON THE BFKL POMERON AND THE HOT-SPOT CROSS-SECTION [J].
BARTELS, J ;
LOTTER, H .
PHYSICS LETTERS B, 1993, 309 (3-4) :400-408
[5]   THE ANALYTIC STRUCTURE OF THE ANOMALOUS DIMENSION OF THE 4-GLUON OPERATOR IN DEEP-INELASTIC SCATTERING [J].
BARTELS, J ;
RYSKIN, MG .
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1994, 62 (03) :425-430
[6]  
BARTELS J, DESY94244
[7]  
BARTELS J, UNPUB DESY PREPRINT
[8]  
BARTERLS J, IN PRESS Z PHYS C
[9]   OBSERVATION OF JET PRODUCTION IN DEEP-INELASTIC SCATTERING WITH A LARGE RAPIDITY GAP AT HERA [J].
DERRICK, M ;
KRAKAUER, D ;
MAGILL, S ;
MUSGRAVE, B ;
REPOND, J ;
SCHLERETH, J ;
STANEK, R ;
TALAGA, RL ;
THRON, J ;
ARZARELLO, F ;
AYAD, R ;
BARI, G ;
BASILE, M ;
BELLAGAMBA, L ;
BOSCHERINI, D ;
BRUNI, A ;
BRUNI, G ;
BRUNI, P ;
ROMEO, GC ;
CASTELLINI, G ;
CHIARINI, M ;
CIFARELLI, L ;
CINDOLO, F ;
CIRALLI, F ;
CONTIN, A ;
DAURIA, S ;
DELPAPA, C ;
FRASCONI, F ;
GIUSTI, P ;
IACOBUCCI, G ;
LAURENTI, G ;
LEVI, G ;
MACCARRONE, G ;
MARGOTTI, A ;
MASSAM, T ;
NANIA, R ;
NEMOZ, C ;
PALMONARI, F ;
SARTORELLI, G ;
TIMELLINI, R ;
GARCIA, YZ ;
ZICHICHI, A ;
BARGENDE, A ;
CRITTENDEN, J ;
DESCH, K ;
DIEKMANN, B ;
DOEKER, T ;
FELD, L ;
FREY, A ;
GEERTS, M .
PHYSICS LETTERS B, 1994, 332 (1-2) :228-243
[10]  
DERRICK M, 1993, PHYS LETT B, V315