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.).

A precise determination of the electroweak mixing angle from semileptonic neutrino scattering / J. V., A., U., A., G., B., M., B., F., B., Capone, A., W., F., F., G., L., L., M., M., C., N., R., P., J., P., R., P., K., W., I., A., J., A., A., B., F. W., B., P. D., G., et al.. - In: ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS. - ISSN 0170-9739. - STAMPA. - 36:(1987), pp. 611-628. [10.1007/BF01630598]

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

CAPONE, Antonio;BARONE, Luciano Maria;BORGIA, BRUNO;DORE, Ubaldo;FERRONI, Fernando;LONGO, Egidio;LOVERRE, Pier Ferruccio;
1987

Abstract

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.).
1987
01 Pubblicazione su rivista::01a Articolo in rivista
A precise determination of the electroweak mixing angle from semileptonic neutrino scattering / J. V., A., U., A., G., B., M., B., F., B., Capone, A., W., F., F., G., L., L., M., M., C., N., R., P., J., P., R., P., K., W., I., A., J., A., A., B., F. W., B., P. D., G., et al.. - In: ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS. - ISSN 0170-9739. - STAMPA. - 36:(1987), pp. 611-628. [10.1007/BF01630598]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/403307
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