Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/16700
Share/Export:
logo share SHARE logo core CORE BASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE
Title

Mellin moments of the O(α(3)(S)) heavy flavor contributions to unpolarized deep-inelastic scattering at Q2 >> m2 and anomalous dimensions

AuthorsBierenbaum, Isabella; Blumlein, Johannes; Klein, Sebastian
Issue Date9-Jun-2009
PublisherElsevier
CitationNuclear Physics B 820(1-2): 417–482 (2009)
AbstractWe calculate the O(α(3)(S)) heavy flavor contributions to the Wilson coefficients of the structure function F-2(x,Q(2)) and the massive operator matrix elements (OMEs) for the twist-2 operators of unpolarized deeply inelastic scattering in the region Q2 >> m2. The massive Wilson coefficients are obtained as convolutions of massive OMEs and the known light flavor Wilson coefficients. We also Compute the massive OMEs which are needed to evaluate heavy flavor parton distributions in the variable flavor number scheme (VFNS) to 3-loop order. All contributions to the Wilson coefficients and operator matrix elements but the genuine constant terms at O(α(3)(S)) of the OMEs are derived in terms of quantities, which are known for general values in the Mellin variable N. For the operator matrix elements A(Qg)(3) A(qg,Q)(3) and A(gg,Q)(3) the moments N = 2-10, for A(Qq)((3),PS) to N = 12, and for A(qq,Q)((3),NS), A(qq,Q)((3),PS) A(gq,Q)((3)) to N = 14 are computed. These terms contribute to the light flavor (+)-combinations. For the flavor non-singlet terms, we calculate as well the odd moments N = 1-13, corresponding to the light flavor (-)-combinations. We also obtain the moments of the 3-loop anomalous dimensions, their color projections for the present processes respectively, in an independent calculation, which agree with the results given in the literature.
Description66 pages, 9 figures.-- Printed version published Oct 11, 2009.-- ArXiv pre-print available at: http://arxiv.org/abs/0904.3563
Publisher version (URL)http://dx.doi.org/10.1016/j.nuclphysb.2009.06.005
URIhttp://hdl.handle.net/10261/16700
DOI10.1016/j.nuclphysb.2009.06.005
ISSN0550-3213
Appears in Collections:(IFIC) Artículos

Files in This Item:
File Description SizeFormat
0904.3563v1.pdf499,61 kBAdobe PDFThumbnail
View/Open
Show full item record
Review this work

SCOPUSTM   
Citations

144
checked on May 10, 2022

WEB OF SCIENCETM
Citations

110
checked on May 16, 2022

Page view(s)

276
checked on May 17, 2022

Download(s)

144
checked on May 17, 2022

Google ScholarTM

Check

Altmetric

Dimensions


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.