Measurement of αs(Q2) from the Gross-Llewellyn Smith sum rule

被引:80
|
作者
Kim, JH [1 ]
Harris, DA
Arroyo, CG
de Barbaro, L
de Barbaro, P
Bazarko, AO
Bernstein, RH
Bodek, A
Bolton, T
Budd, H
Conrad, J
Johnson, RA
King, BJ
Kinnel, T
Lamm, MJ
Lefmann, WC
Marsh, W
McFarland, KS
McNulty, C
Mishra, SR
Naples, D
Quintas, PZ
Romosan, A
Sakumoto, WK
Schellman, H
Sciulli, FJ
Seligman, WG
Shaevitz, MH
Smith, WH
Spentzouris, P
Stern, EG
Vakili, M
Yang, UK
Yu, J
机构
[1] Univ Cincinnati, Cincinnati, OH 45221 USA
[2] Columbia Univ, New York, NY 10027 USA
[3] Fermi Natl Accelerator Lab, Batavia, IL 60510 USA
[4] Kansas State Univ, Manhattan, KS 66506 USA
[5] Northwestern Univ, Evanston, IL 60208 USA
[6] Univ Rochester, Rochester, NY 14627 USA
[7] Univ Wisconsin, Madison, WI 53706 USA
关键词
D O I
10.1103/PhysRevLett.81.3595
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We extract a set of values for the Gross-Llewellyn Smith sum rule at different values of 4-momentum transfer squared (Q(2)), by combining revised CCFR neutrino data with data from other neutrino deep-inelastic scattering experiments for 1 < Q(2) < 15 GeV2/c(2). A comparison with the order alpha(s)(3) theoretical predictions yields a determination of ct, at the scale of;he Z-boson mass of 0.114 +/- (0.009)(0.012). This measurement provides a new and useful test of perturbative QCD at low Q(2), because of the low uncertainties in the higher order calculations. [S0031-9007(98)07266-4].
引用
收藏
页码:3595 / 3598
页数:4
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