The running coupling method with next-to-leading order accuracy and pion, kaon elm form factors

被引:9
作者
Agaev, SS [1 ]
机构
[1] Baku State Univ, High Energy Phys Lab, Baku 1370148, Azerbaijan
关键词
D O I
10.1142/S0217732398002801
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The pion and kaon electromagnetic form factors FM(Q(2)) are calculated at the leading order of pQCD using the running coupling constant method. In calculations, the leading and next-to-leading order terms in as((1-x)(1-y)Q2) expansion in terms of alpha(S)(Q2) are taken into account. The resummed expression for FM(Q(2)) is found. Results of numerical calculations for the pion (asymptotic distribution amplitude) are presented.
引用
收藏
页码:2637 / 2643
页数:7
相关论文
共 31 条
  • [1] ELECTROMAGNETIC PION FORM-FACTOR IN THE CONTEXT OF THE PRINCIPAL VALUE METHOD
    AGAEV, SS
    [J]. PHYSICS LETTERS B, 1995, 360 (1-2) : 117 - 122
  • [2] The kaon electromagnetic form factor and effects of running coupling constant
    Agaev, SS
    [J]. MODERN PHYSICS LETTERS A, 1996, 11 (12) : 957 - 963
  • [3] AGAEV SS, IC95291 ICTP
  • [4] RESUMMATION OF (BETA-0-ALPHA(S))(N) CORRECTIONS IN QCD - TECHNIQUES AND APPLICATIONS TO THE TAU-HADRONIC WIDTH AND THE HEAVY-QUARK POLE MASS
    BALL, P
    BENEKE, M
    BRAUN, VM
    [J]. NUCLEAR PHYSICS B, 1995, 452 (03) : 563 - 625
  • [5] Resummation of running coupling effects in semileptonic B meson decays and extraction of vertical bar V-cb vertical bar
    Ball, P
    Beneke, M
    Braun, VM
    [J]. PHYSICAL REVIEW D, 1995, 52 (07): : 3929 - 3948
  • [6] FURTHER MEASUREMENTS OF FORWARD-CHARGED PION ELECTROPRODUCTION AT LARGE K2
    BEBEK, CJ
    BROWN, CN
    HERZLINGER, M
    HOLMES, S
    LICHTENSTEIN, CA
    PIPKIN, FM
    SISTERSON, LK
    ANDREWS, D
    BERKELMAN, K
    CASSEL, DG
    HARTILL, DL
    [J]. PHYSICAL REVIEW D, 1974, 9 (05) : 1229 - 1242
  • [7] NAIVE NONABELIANIZATION AND RESUMMATION OF FERMION BUBBLE CHAINS
    BENEKE, M
    BRAUN, VM
    [J]. PHYSICS LETTERS B, 1995, 348 (3-4) : 513 - 520
  • [8] ON THE ELIMINATION OF SCALE AMBIGUITIES IN PERTURBATIVE QUANTUM CHROMODYNAMICS
    BRODSKY, SJ
    LEPAGE, GP
    MACKENZIE, PB
    [J]. PHYSICAL REVIEW D, 1983, 28 (01): : 228 - 235
  • [9] Optimal renormalization scale and scheme for exclusive processes
    Brodsky, SJ
    Ji, CR
    Pang, A
    Robertson, DG
    [J]. PHYSICAL REVIEW D, 1998, 57 (01): : 245 - 252
  • [10] ASYMPTOTIC-BEHAVIOR OF EXCLUSIVE PROCESSES IN QCD
    CHERNYAK, VL
    ZHITNITSKY, AR
    [J]. PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1984, 112 (3-4): : 173 - 318