Determination of {alpha}{sub S} from neutrino-nucleon deep-inelastic scattering

Journal Article · Sun Apr 20 00:00:00 EDT 1997 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.53614· OSTI ID:21167564

Spentzouris, Panagiotis ^[1]

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1. Columbia University, New York, New York 10027 (United States)

A new determination of the strong coupling constant {alpha}{sub S} from the CCFR {nu}-Fe deep inelastic scattering experiment is presented. This {alpha}{sub S} measurement is extracted by fitting the Q{sup 2} evolution of the structure functions F{sub 2} and xF{sub 3} to the prediction of Next to Leading Order (NLO) perturbative quantum chromodynamics (pQCD). The fit yields a value for the QCD scale parameter {lambda}NLO,(4)/MS=337{+-}28(exp.) MeV, which corresponds to a value of {alpha}{sub S}(M{sub Z}{sup 2})=0.119{+-}0.002(exp.){+-}0.004(theory) at the scale of the mass of the Z-boson. The CCFR measurement is compared to results from other experiments.

• OSTI ID: 21167564
• Journal Information: AIP Conference Proceedings, Vol. 407, Issue 1; Conference: 5. international workshop on deep inelastic scattering and QCD, Chicago, IL (United States), 14-18 Apr 1997; Other Information: DOI: 10.1063/1.53614; (c) 1997 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COUPLING CONSTANTS
DEEP INELASTIC SCATTERING
FOUR MOMENTUM TRANSFER
IRON 56 TARGET
MEV RANGE
NEUTRINO REACTIONS
NEUTRINO-NUCLEON INTERACTIONS
NEUTRINOS
NUCLEONS
PARTICLE PRODUCTION
QUANTUM CHROMODYNAMICS
REST MASS
STRONG INTERACTIONS
STRUCTURE FUNCTIONS
Z NEUTRAL BOSONS