Citation
S. Capitani et al., Higher-twist contributions to the Structure Functions coming from 4-fermion operators, NUCL PH B-P, 83-4, 2000, pp. 232-234
Citations number
17
Categorie Soggetti
Physics
Journal title
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
ISSN journal
09205632
→ ACNP
Volume
83-4
Year of publication
2000
Pages
232 - 234
Database
ISI
SICI code
0920-5632(200004)83-4:<232:HCTTSF>2.0.ZU;2-L
Abstract
We evaluate the contribution of a class of higher-twist operators to the lo
west moment of the Structure Functions, by computing appropriate matrix ele
ments of six four-fermion operators in the quenched approximation. Their pe
rturbative renormalization constants and mixing coefficients are calculated
in the 't Hooft-Veltman scheme of dimensional regularization, using codes
written in the algebraic manipulation computer language FORM.