New measurements of the total crosssections of charged-current interactions of muonneutrinos and antineutrinos on isoscalar nuclei have been performed. Data were recorded in an exposure of the CHARM detector in an 160 GeV narrow-band beam. The antineutrino flux was determined from the measurements of the pion and kaon flux, and independently from the muon flux measured in the shield; the two methods are found to agree. The neutrino flux was determined from the muon flux ratio forv v runs which was normalized to the antineutrino flux. The cross-section slopes thus are determined. The momentum sum of the quarks in the nucleon and the ratio of sea quark to total quark momentum are derived from the measurements.

TOTAL CROSS-SECTIONS OF CHARGED-CURRENT NEUTRINO AND ANTINEUTRINO INTERACTIONS ON ISOSCALAR NUCLEI / J. V., Allaby; U., Amaldi; G., Barbiellini; M., Baubillier; F., Bergsma; Capone, Antonio; W., Flegel; F., Grancagnolo; L., Lanceri; M., Metcalf; C., Nieuwenhuis; R., Pain; J., Panman; R., Plunckett; K., Winter; I., Abt; J., Aspiazu; A., Bungener; F. W., Büsser; P. D., Gall; T., Hebbeker; F., Niebergall; P., Schütt; P., Stähelin; P., Gorbunov; E., Grigoriev; V., Khovansky; A., Rosanov; Borgia, Bruno; M., Diemoz; C., Dionisi; Dore, Ubaldo; Ferroni, Fernando; Longo, Egidio; Loverre, Pier Ferruccio; L., Luminari; P., Monacelli; S., Morganti; F., DE NOTARISTEFANI; C., Santoni. - In: ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS. - ISSN 0170-9739. - STAMPA. - 38:(1988), pp. 403-410. [10.1007/BF01584388]

TOTAL CROSS-SECTIONS OF CHARGED-CURRENT NEUTRINO AND ANTINEUTRINO INTERACTIONS ON ISOSCALAR NUCLEI

CAPONE, Antonio;BORGIA, BRUNO;DORE, Ubaldo;FERRONI, Fernando;LONGO, Egidio;LOVERRE, Pier Ferruccio;
1988

Abstract

New measurements of the total crosssections of charged-current interactions of muonneutrinos and antineutrinos on isoscalar nuclei have been performed. Data were recorded in an exposure of the CHARM detector in an 160 GeV narrow-band beam. The antineutrino flux was determined from the measurements of the pion and kaon flux, and independently from the muon flux measured in the shield; the two methods are found to agree. The neutrino flux was determined from the muon flux ratio forv v runs which was normalized to the antineutrino flux. The cross-section slopes thus are determined. The momentum sum of the quarks in the nucleon and the ratio of sea quark to total quark momentum are derived from the measurements.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11573/244448
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