Approximate next-to-next-to-leading-order threshold resummation in heavy flavor decays

被引:19
作者
Aglietti, U [1 ]
Ricciardi, G
机构
[1] Univ Roma La Sapienza, Dipartimento Sci Fis, Rome, Italy
[2] Ist Nazl Fis Nucl, Sez Rome, Rome, Italy
[3] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy
[4] Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy
来源
PHYSICAL REVIEW D | 2002年 / 66卷 / 07期
关键词
D O I
10.1103/PhysRevD.66.074003
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present an approximate next-to-next-to-leading-order evaluation of the QCD form factor resumming large logarithmic perturbative contributions in semi-inclusive heavy flavor decays.
引用
收藏
页数:10
相关论文
共 19 条
[1]   Resummed B → Xulv decay distributions to next-to-leading order [J].
Aglietti, U .
NUCLEAR PHYSICS B, 2001, 610 (1-2) :293-315
[2]   Next-to-leading resummed coefficient function for the shape function [J].
Aglietti, U .
PHYSICS LETTERS B, 2001, 515 (3-4) :308-322
[3]   Extraction of V-ub from inclusive B decays and the resummation of end point logarithms [J].
Akhoury, R ;
Rothstein, IZ .
PHYSICAL REVIEW D, 1996, 54 (03) :2349-2362
[4]   RESUMMATION OF LARGE LOGARITHMS IN E+E- EVENT SHAPE DISTRIBUTIONS [J].
CATANI, S ;
TRENTADUE, L ;
TURNOCK, G ;
WEBBER, BR .
NUCLEAR PHYSICS B, 1993, 407 (01) :3-42
[5]   THE GLUON FORM-FACTOR TO HIGHER ORDERS - GLUON-GLUON ANNIHILATION AT SMALL QT [J].
CATANI, S ;
DEMILIO, E ;
TRENTADUE, L .
PHYSICS LETTERS B, 1988, 211 (03) :335-342
[6]   COMMENT ON QCD EXPONENTIATION AT LARGE-X [J].
CATANI, S ;
TRENTADUE, L .
NUCLEAR PHYSICS B, 1991, 353 (01) :183-186
[7]   The resummation of soft gluons in hadronic collisions [J].
Catani, S ;
Mangano, ML ;
Nason, P ;
Trentadue, L .
NUCLEAR PHYSICS B, 1996, 478 (1-2) :273-310
[8]   RESUMMATION OF THE QCD PERTURBATIVE SERIES FOR HARD PROCESSES [J].
CATANI, S ;
TRENTADUE, L .
NUCLEAR PHYSICS B, 1989, 327 (02) :323-352
[9]   Renormalon resummation and exponentiation of soft and collinear gluon radiation in the thrust distribution [J].
Gardi, E ;
Rathsman, J .
NUCLEAR PHYSICS B, 2001, 609 (1-2) :123-182
[10]   Review of particle physics -: art. no. 010001 [J].
Hagiwara, K ;
Hikasa, K ;
Nakamura, K ;
Tanabashi, M ;
Aguilar-Benitez, M ;
Amsler, C ;
Barnett, RM ;
Burchat, PR ;
Carone, CD ;
Caso, C ;
Conforto, G ;
Dahl, O ;
Doser, M ;
Eidelman, S ;
Feng, JL ;
Gibbons, L ;
Goodman, M ;
Grab, C ;
Groom, DE ;
Gurtu, A ;
Hayes, KG ;
Hernández-Rey, JJ ;
Honscheid, K ;
Kolda, C ;
Mangano, ML ;
Manley, DM ;
Manohar, AV ;
March-Russell, J ;
Masoni, A ;
Miquel, R ;
Monig, K ;
Murayama, H ;
Navas, S ;
Olive, KA ;
Pape, L ;
Patrignani, C ;
Piepke, A ;
Roos, M ;
Terning, J ;
Tornqvist, NA ;
Trippe, TG ;
Vogel, P ;
Wohl, CG ;
Workman, RL ;
Yao, WM ;
Armstrong, B ;
Gee, PS ;
Lugovsky, KS ;
Lugovsky, SB ;
Lugovsky, VS .
PHYSICAL REVIEW D, 2002, 66 (01)