Soft gluon kt-resummation and the Froissart bound

被引:27
作者
Grau, Agnes [2 ]
Godbole, Rohini M. [3 ]
Pancheri, Giulia [1 ]
Srivastava, Yogendra N. [4 ,5 ]
机构
[1] Frascati Natl Labs, Ist Nazl Fis Nucl, I-100044 Frascati, Italy
[2] Univ Granada, Dept Fis Teor & Cosmos, E-18071 Granada, Spain
[3] Indian Inst Sci, Ctr High Energy Phys, Bangalore 560012, Karnataka, India
[4] Univ Perugia, Dept Phys, I-06100 Perugia, Italy
[5] Univ Perugia, Ist Nazl Fis Nucl, I-06100 Perugia, Italy
关键词
Froissart bound; QCD; Total cross-section; Resummation; TOTAL CROSS-SECTION; TRANSVERSE-MOMENTUM; SCATTERING-AMPLITUDES; ENERGY; BEHAVIOR; DISTRIBUTIONS; MINIJETS; PAIRS; LHC;
D O I
10.1016/j.physletb.2009.10.080
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We study soft gluon k(t)-resurnmation and the relevance of InfraRed (IR) gluons for the energy dependence of total hadronic cross-sections. In our model, consistency with the Froissart bound is directly related to the ansatz that the IR behaviour of the QCD coupling constant follows an inverse power law. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:55 / 60
页数:6
相关论文
共 50 条
[41]  
Martin A., 1970, ANAL PROPERTIES BOUN
[42]  
MARTIN A, ARXIV09043724V2HEPPH
[43]   THE INTRINSIC TRANSVERSE-MOMENTUM OF DRELL-YAN PAIRS [J].
NAKAMURA, A ;
PANCHERI, G ;
SRIVASTAVA, YN .
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1984, 21 (03) :243-251
[44]  
Pancheri G, 2007, ACTA PHYS POL B, V38, P2979
[45]   SMALL TRANSVERSE-MOMENTUM DISTRIBUTIONS IN HARD PROCESSES [J].
PARISI, G ;
PETRONZIO, R .
NUCLEAR PHYSICS B, 1979, 154 (03) :427-440
[46]   HEAVY QUARK POTENTIAL AND THE UPSILON,J-PSI SYSTEMS [J].
RICHARDSON, JL .
PHYSICS LETTERS B, 1979, 82 (02) :272-274
[47]  
RYSKIN MG, ARXIV09071374HEPPH
[48]  
SUDAKOV VV, 1956, SOV PHYS JETP-USSR, V3, P65
[49]   THE INFRARED DIVERGENCE PHENOMENA AND HIGH-ENERGY PROCESSES [J].
YENNIE, DR ;
FRAUTSCHI, SC ;
SUURA, H .
ANNALS OF PHYSICS, 1961, 13 (03) :379-452
[50]  
YNDURAIN FJ, 1999, 17 AUT SCH LISB PORT