A precise determination of the electroweak mixing angle from semileptonic neutrino scattering | Zendy

J.V. Allaby | Zendy; U. Amaldi | Zendy; G. Barbiellini | Zendy; M. Baubillier | Zendy; F. Bergsma | Zendy; A. Capone | Zendy; W. Flegel | Zendy; F. Grancagnolo | Zendy; L. Lanceri | Zendy; Michael Metcalf | Zendy; C. Nieuwenhuis | Zendy; R. Pain | Zendy; J. Panman | Zendy; R. Plunckett | Zendy; K. Winter | Zendy; I. Abt | Zendy; J. Aspiazu | Zendy; A. Büngener | Zendy; F.W. Büsser | Zendy; P.D. Gall | Zendy; T. Hebbeker | Zendy; F. Niebergall | Zendy; P. Schütt | Zendy; P. Stähelin | Zendy; P. Gorbunov | Zendy; E. Grigoriev | Zendy; V. Khovansky | Zendy; A. Rosanov | Zendy; A. Baroncelli | Zendy; L. Barone | Zendy; B. Borgia | Zendy; C. Bosio | Zendy; M. Diemoz | Zendy; C. Dionisi | Zendy; U. Dore | Zendy; F. Ferroni | Zendy; E. Longo | Zendy; P.F. Loverre | Zendy; L. Luminari | Zendy; P. Monacelli | Zendy; S. Morganti | Zendy; F. de Notaristefani | Zendy; C. Santoni | Zendy; L. Tortora | Zendy; V. Valente | Zendy

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A precise determination of the electroweak mixing angle from semileptonic neutrino scattering

Author(s) -

J.V. Allaby,

U. Amaldi,

G. Barbiellini,

M. Baubillier,

F. Bergsma,

A. Capone,

W. Flegel,

F. Grancagnolo,

L. Lanceri,

Michael Metcalf,

C. Nieuwenhuis,

R. Pain,

J. Panman,

R. Plunckett,

K. Winter,

I. Abt,

J. Aspiazu,

A. Büngener,

F.W. Büsser,

P.D. Gall,

T. Hebbeker,

F. Niebergall,

P. Schütt,

P. Stähelin,

P. Gorbunov,

E. Grigoriev,

V. Khovansky,

A. Rosanov,

A. Baroncelli,

L. Barone,

B. Borgia,

C. Bosio,

M. Diemoz,

C. Dionisi,

U. Dore,

F. Ferroni,

E. Longo,

P.F. Loverre,

L. Luminari,

P. Monacelli,

S. Morganti,

F. de Notaristefani,

C. Santoni,

L. Tortora,

V. Valente

Publication year - 1987

Publication title -

zeitschrift für physik c

Language(s) - English

Resource type - Journals

eISSN - 1431-5858

pISSN - 0170-9739

DOI - 10.1007/bf01630598

Subject(s) - physics , electroweak interaction , particle physics , isoscalar , neutrino , nuclear physics , muon , weinberg angle , charged current , charm (quantum number) , hadron , radiative transfer , mixing (physics) , lepton , quantum mechanics , electron

The cross-section ratio of neutral-current and charged-current semileptonic interactions of muon-neutrinos on isoscalar nuclei has been measured with the result:R v =0.3093±0.0031 for hadronic energy larger than 4 GeV. From this ratio we determined the electroweak mixing angle sin2 theta W , wherem c is the charm-quark mass in GeV/c2. Comparison with direct measurements ofm w andm z determines the radiative shift of the intermediate boson mass Deltar=0.077±0.025(exp.)±0.038(syst.), in agreement with the prediction. Assuming the validity of the electroweak standard theory we determined rhov=0.990–0.013(m c –1.5)±0.009(exp.)±0.003(theor.)

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