HIGH-ENERGY FACTORIZATION AND SMALL-X HEAVY FLAVOR PRODUCTION

被引:899
作者
CATANI, S
CIAFALONI, M
HAUTMANN, F
机构
[1] IST NAZL FIS NUCL,FLORENCE,ITALY
[2] UNIV FLORENCE,DIPARTMENTO FIS,I-50121 FLORENCE,ITALY
关键词
D O I
10.1016/0550-3213(91)90055-3
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
We have recently proposed a form of high-energy factorization in order to find the small-x behaviour of heavy mass production in QCD. This factorization is k(perpendicular-to)-dependent and provides all leading ln x corrections to the coefficient function in various kinds of single-k(perpendicular-to and double-k(perpendicular-to) processes. Here we investigate in detail its application to heavy flavour production in lepton and hadron initiated processes. We find that the resummation procedure yields large correction factors with respect to the lowest-order result, and we compute their explicit form in various cases.
引用
收藏
页码:135 / 188
页数:54
相关论文
共 31 条
[1]  
ALI A, 1987, P HERA WORKSHOP, V1, P395
[2]   TOTAL CROSS-SECTIONS FOR HEAVY FLAVOR PRODUCTION IN HADRONIC COLLISIONS AND QCD [J].
ALTARELLI, G ;
DIEMOZ, M ;
MARTINELLI, G ;
NASON, P .
NUCLEAR PHYSICS B, 1988, 308 (04) :724-752
[3]  
BALITSKII Y, 1978, SOV J NUCL PHYS, V28, P6
[4]  
BARTELS J, DESY90091 PREPR
[5]   JET STRUCTURE AND INFRARED-SENSITIVE QUANTITIES IN PERTURBATIVE QCD [J].
BASSETTO, A ;
CIAFALONI, M ;
MARCHESINI, G .
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1983, 100 (04) :201-272
[6]   QCD CORRECTIONS TO HEAVY-QUARK PRODUCTION IN PPBAR COLLISIONS [J].
BEENAKKER, W ;
KUIJF, H ;
VANNEERVEN, WL ;
SMITH, J .
PHYSICAL REVIEW D, 1989, 40 (01) :54-82
[7]   SMALL-X BEHAVIOR OF INITIAL STATE RADIATION IN PERTURBATIVE QCD [J].
CATANI, S ;
FIORANI, F ;
MARCHESINI, G .
NUCLEAR PHYSICS B, 1990, 336 (01) :18-85
[8]   GLUON CONTRIBUTIONS TO SMALL-CHI HEAVY FLAVOR PRODUCTION [J].
CATANI, S ;
CIAFALONI, M ;
HAUTMANN, F .
PHYSICS LETTERS B, 1990, 242 (01) :97-102
[9]  
CATANI S, 1990, NUCL PHYS B C S, V18, P220
[10]  
CATANI S, 1990, IN PRESS JUL P C QCD