Extraction of R = sigma(L)/sigma(T) from CCFR nu mu-Fe and (nu)over-bar(mu)-Fe differential cross sections

U K Yang; T Adams; A Alton; C G Arroyo; S Avvakumov; L de Barbaro; P de Barbaro; A O Bazarko; R H Bernstein; A Bodek; T Bolton; J Brau; D Buchholz; H Budd; L Bugel; J Conrad; R B Drucker; B T Fleming; J A Formaggio; R Frey; J Goldman; M Goncharov; D A Harris; R A Johnson; J H Kim; B J King; T Kinnel; S Koutsoliotas; M J Lamm; N Marsh; D Mason; K S McFarland; C McNulty; Mishra; D Naples; P Nienaber; A Romosan; W K Sakumoto; H Schellman; F J Sciulli; N G Seligman; M H Shaevitz; W H Smith; P Spentzouris; E G Stern; N Suwonjandee; A Vaitaitis; M Vakili; J Yu; G P Zeller; E D Zimmerman; CCFR NuTeV Collaboration

doi:10.1103/PhysRevLett.87.251802

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Extraction of R = sigma(L)/sigma(T) from CCFR nu mu-Fe and (nu)over-bar(mu)-Fe differential cross sections

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Extraction of R = sigma(L)/sigma(T) from CCFR nu mu-Fe and (nu)over-bar(mu)-Fe differential cross sections

U K Yang, T Adams, A Alton, C G Arroyo, S Avvakumov, L de Barbaro, P de Barbaro, A O Bazarko, R H Bernstein, A Bodek, …

Physical review letters, v 87(25), 251802

17 Dec 2001

DOI: https://doi.org/10.1103/PhysRevLett.87.251802

PMID: 11736561

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Abstract

Physical Sciences

Physics

Physics, Multidisciplinary

Science & Technology

We report on the extraction of R = sigmaL/sigmaT from CCFR nu (mu)-Fe and <()over bar>(mu)-Fe differential cross sections. The CCFR differential cross sections do not show the deviations from the QCD expectations that are seen in the CDHSW data at very low and very high x. R as measured in nu (mu) scattering is in agreement with R as measured in muon and electron scattering. All data on R for Q(2) > 1 GeV2 are in agreement with a NNLO QCD calculation which uses NNLO parton distribution functions and includes target mass effects. We report on the first measurements of R in the low x and Q(2) < 1 GeV2 region (where an anomalous large rise in R for nuclear targets has been observed by the HERMES Collaboration).

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Title: Extraction of R = sigma(L)/sigma(T) from CCFR nu mu-Fe and (nu)over-bar(mu)-Fe differential cross sections
Creators: U K Yang
T Adams
A Alton
C G Arroyo
S Avvakumov
L de Barbaro
P de Barbaro
A O Bazarko
R H Bernstein
A Bodek
T Bolton
J Brau
D Buchholz
H Budd
L Bugel
J Conrad
R B Drucker
B T Fleming
J A Formaggio
R Frey
J Goldman
M Goncharov
D A Harris
R A Johnson
J H Kim
B J King
T Kinnel
S Koutsoliotas
M J Lamm
N Marsh
D Mason
K S McFarland
C McNulty
Mishra
D Naples
P Nienaber
A Romosan
W K Sakumoto
H Schellman
F J Sciulli
N G Seligman
M H Shaevitz
W H Smith
P Spentzouris
E G Stern
N Suwonjandee
A Vaitaitis
M Vakili
J Yu
G P Zeller
E D Zimmerman
CCFR NuTeV Collaboration
Publication Details: Physical review letters, v 87(25), 251802
Publisher: AMERICAN PHYSICAL SOC
Number of pages: 4
Resource Type: Journal article
Language: English
Academic Unit: Physics
Web of Science ID: WOS:000172866200011
Scopus ID: 2-s2.0-85037187586
Other Identifier: 991021862257904721

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Collaboration types: Domestic collaboration
Web of Science research areas: Physics, Multidisciplinary

Extraction of R = sigma(L)/sigma(T) from CCFR nu mu-Fe and (nu)over-bar(mu)-Fe differential cross sections

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Abstract

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UN Sustainable Development Goals (SDGs)

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