Improved determination of alpha(s) from neutrino-nucleon scattering

被引：249

作者：

Seligman, WG

Arroyo, CG

deBarbaro, L

deBarbaro, P

Bazarko, AO

Bernstein, RH

Bodek, A

Bolton, T

Budd, H

Conrad, J

Harris, DA

Johnson, RA

Kim, JH

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

Shaevitz, MH

Smith, WH

Spentzouris, P

Stern, EG

Vakili, M

Yang, UK

Yu, J

机构：

[1] COLUMBIA UNIV,NEW YORK,NY 10027

[2] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510

[3] KANSAS STATE UNIV,MANHATTAN,KS 66506

[4] NORTHWESTERN UNIV,EVANSTON,IL 60208

[5] UNIV ROCHESTER,ROCHESTER,NY 14627

[6] UNIV WISCONSIN,MADISON,WI 53706

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.79.1213

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present an improved determination of the proton structure functions F-2 and xF(3) from the Columbia-Chicago-Fermilab-Rochester Collaboration nu-Fe deep inelastic scattering experiment. Comparisons to corrected high-statistics charged-lepton scattering results for F-2 from the NMC, E665, SLAG, and BCDMS experiments indicate good agreement for x > 0.1 but some discrepancy at lower x. The Q(2) evolution of both the F-2 and xF(3) structure functions yields a value of the strong coupling constant at the scale of mass of the Z boson of alpha(s)(M-Z(2)) = 0.119 +/- 0.002(expt) +/- 0.004(theory). This is one of the most precise measurements of this quantity.

引用

页码：1213 / 1216

页数：4

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