The Q2 dependence of the structure functions F2p and F2d recently measured by the NMC is compared with the predictions of perturbative QCD at next-to-leading order. Good agreement is observed, leading to accurate determinations of the quark and gluon distributions in the range 0.008 less-than-or-equal-to x less-than-or-equal-to 0.05. The strong coupling constant is measured from the low x data; the result agrees with previous determinations.

Quark and Gluon Distributions and Alpha(s) From Nucleon Structure Functions At Low-x

PERONI, Cristiana;
1993-01-01

Abstract

The Q2 dependence of the structure functions F2p and F2d recently measured by the NMC is compared with the predictions of perturbative QCD at next-to-leading order. Good agreement is observed, leading to accurate determinations of the quark and gluon distributions in the range 0.008 less-than-or-equal-to x less-than-or-equal-to 0.05. The strong coupling constant is measured from the low x data; the result agrees with previous determinations.
1993
309
222
230
http://dx.doi.org/10.1016/0370-2693(93)91530-Z
DEEP INELASTIC-SCATTERING; LEADING ORDER; QUANTUM CHROMODYNAMICS; PERTURBATION-THEORY; PARTON DENSITIES; CROSS-SECTIONS; FREEDOM; MSBAR; JET; NMC
M. ARNEODO;A. ARVIDSON;B. BADELEK;M. BALLINTIJN;G. BAUM;J. BEAUFAYS;I. G. BIRD;P. BJORKHOLM;M. BOTJE;C. BROGGINI;W. BRUCKNER;A. BRULL;W. J. BURGER;J. CIBOROWSKI;R. VANDANTZIG;A. DYRING;H. ENGELIEN;M. I. FERRERO;L. FLURI;U. GAUL;T. GRANIER;D. VONHARRACH;M. VANDERHEIJDEN;C. HEUSCH;Q. INGRAM;K. JANSONPRYTZ;M. DEJONG;E. M. KABUSS;R. KAISER;T. J. KETEL;F. KLEIN;S. KULLANDER;U. LANDGRAF;T. LINDQVIST;G. K. MALLOT;C. MARIOTTI;G. VANMIDDELKOOP;A. MILSZTAJN;Y. MIZUNO;J. NASSALSKI;D. NOWOTNY;J. OBERSKI;A. PAIC;C. PERONI;B. POVH;R. RIEGER;K. RITH;K. ROHRICH;E. RONDIO;L. ROPELEWSKI;A. SANDACZ;D. SANDERS;C. SCHOLZ;R. SCHUMACHER;R. SEITZ;F. SEVER;T. A. SHIBATA;M. SIEBLER;A. SIMON;A. STAIANO;M. SZLEPER;Y. TZAMOURANIS;M. VIRCHAUX;J. L. VUILLEUMIER;T. WALCHER;R. WINDMOLDERS;A. WITZMANN;F. ZETSCHE
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/109939
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