MEASUREMENT OF NUCLEON STRUCTURE-FUNCTION IN MUON SCATTERING AT HIGH Q2

被引:30
作者
BALL, RC [1 ]
BAUER, D [1 ]
CHANG, C [1 ]
CHEN, KW [1 ]
HANSEN, S [1 ]
KILEY, J [1 ]
KOSTOULAS, I [1 ]
KOTLEWSKI, A [1 ]
LITT, L [1 ]
SCHEWE, PF [1 ]
VANGINNEKEN, A [1 ]
机构
[1] FERMI NATL ACCELERATOR LAB,BATAVIA,IL 60510
关键词
D O I
10.1103/PhysRevLett.42.866
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The nucleon structure function, F2, has been measured up to q2=120 (GeV/c)2 and for 40<W2<300 GeV2. The data exhibit a significant pattern of scaling violation. Compared to lower-energy data, F2 shows an observable increase of 15% at high q2 for x<0.4. The pattern of the increase may accommodate a threshold in W or new theoretical parametrizations. © 1979 The American Physical Society.
引用
收藏
页码:866 / 869
页数:4
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