Pion form factor in the NLC QCD SR approach

被引:0
作者
Bakulev, A. P. [1 ]
Pimikov, A. V. [1 ]
Stefanis, N. G. [2 ]
机构
[1] Joint Inst Nucl Res Dubna, Bogoliubov Lab Theoret Phys, Dubna, Russia
[2] Ruhr Univ Bochum, Inst Theoret Phys 2, Bochum, Germany
基金
俄罗斯基础研究基金会;
关键词
INTERMEDIATE MOMENTUM-TRANSFER; SUM-RULES; DISTRIBUTION AMPLITUDE; WAVE-FUNCTION; QUANTUM CHROMODYNAMICS; GLUON CONDENSATE; LATTICE QCD; MESON; ELECTROPRODUCTION; SPACELIKE;
D O I
10.1134/S1063778810060189
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
We present results of a calculation of the electromagnetic pion form factor within the framework of QCD sum rules with nonlocal condensates and using a perturbative spectral density which includes O(alpha (s) ) contributions.
引用
收藏
页码:1037 / 1043
页数:7
相关论文
共 32 条
[1]   Self-Consistent Gaussian Model of Nonperturbative QCD Vacuum [J].
Bakulev, A. P. ;
Pimikov, A. V. .
PHYSICS OF PARTICLES AND NUCLEI LETTERS, 2007, 4 (05) :377-387
[2]   Pion form factor in QCD: From nonlocal condensates to next-to-leading-order analytic perturbation theory [J].
Bakulev, AP ;
Passek-Kumericki, K ;
Schroers, W ;
Stefanis, NG .
PHYSICAL REVIEW D, 2004, 70 (03) :033014-1
[3]   The ρ-meson and related meson wave functions in QCD sum rules with nonlocal condensates [J].
Bakulev, AP ;
Mikhailov, SV .
PHYSICS LETTERS B, 1998, 436 (3-4) :351-362
[4]   CLEO and E791 data: a smoking gun for the pion distribution amplitude? [J].
Bakulev, AP ;
Mikhailov, SV ;
Stefanis, NG .
PHYSICS LETTERS B, 2004, 578 (1-2) :91-98
[5]   Lattice measurements of nonlocal quark condensates, vacuum correlation length, and pion distribution amplitude in QCD [J].
Bakulev, AP ;
Mikhailov, SV .
PHYSICAL REVIEW D, 2002, 65 (11)
[6]   Unbiased analysis of CLEO data at NLO and the pion distribution amplitude [J].
Bakulev, AP ;
Mikhailov, SV ;
Stefanis, NG .
PHYSICAL REVIEW D, 2003, 67 (07)
[7]   QCD-based pion distribution amplitudes confronting experimental data [J].
Bakulev, AP ;
Mikhailov, SV ;
Stefanis, NG .
PHYSICS LETTERS B, 2001, 508 (3-4) :279-289
[8]   Form factors and QCD in spacelike and timelike regions [J].
Bakulev, AP ;
Radyushkin, AV ;
Stefanis, NG .
PHYSICAL REVIEW D, 2000, 62 (11) :1-14
[9]   NONLOCAL CONDENSATES AND QCD SUM-RULES FOR THE PION FORM-FACTOR [J].
BAKULEV, AP ;
RADYUSHKIN, AV .
PHYSICS LETTERS B, 1991, 271 (1-2) :223-230
[10]   FURTHER MEASUREMENTS OF FORWARD-CHARGED PION ELECTROPRODUCTION AT LARGE K2 [J].
BEBEK, CJ ;
BROWN, CN ;
HERZLINGER, M ;
HOLMES, S ;
LICHTENSTEIN, CA ;
PIPKIN, FM ;
SISTERSON, LK ;
ANDREWS, D ;
BERKELMAN, K ;
CASSEL, DG ;
HARTILL, DL .
PHYSICAL REVIEW D, 1974, 9 (05) :1229-1242