A sample of 1 450 000 interactions with shower energy larger than 2 GeV has been observed in a fine-grain calorimeter exposed to the CERN SPS wide-band antineutrino beam. Among these, 72+/-16 events can be attributed to the neutrino-electron interaction and lead to a value of sin2θ=0.29+/-0.05 (stat.) corresponding to a cross section for the reaction νμe -->νμe of (1.70+/-0.33)×10-42 Eν (cm2/GeV). The systematic error, due to the uncertainties in the knowledge of the antineutrino spectrum, of the electron detection efficiency and of the antineutrino-nucleon total cross section, is estimated to be +/-25%.

Measurement of the Cross Section of Antineutrino Scattering on Electrons / M., Jonker; J., Panman; F., Udo; J. V., Allaby; U., Amaldi; G., Barbiellini; W., Flegel; W., Kozanecki; K. H., Mess; M., Metcalf; J., Meyer; P., Monacelli; R. S., Orr; A. M., Wetherell; K., Winter; V., Blobel; F. W., Buesser; P. D., Gall; H., Grote; B., Kroeger; E., Metz; F., Niebergall; K. H., Ranitzsch; P., Staehelin; P., Gorbunov; E., Grigoriev; V., Kaftanov; V., Khovansky; A., Rosanov; A., Baroncelli; R., Biancastelli; Borgia, Bruno; C., Bosio; Capone, Antonio; Ferroni, Fernando; Longo, Egidio; F., De Notaristefani; P., Pistilli; C., Santoni; V., Valente. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 105:2-3(1981), pp. 242-248. [10.1016/0370-2693(81)91032-7]

Measurement of the Cross Section of Antineutrino Scattering on Electrons

BORGIA, BRUNO;CAPONE, Antonio;FERRONI, Fernando;LONGO, Egidio;
1981

Abstract

A sample of 1 450 000 interactions with shower energy larger than 2 GeV has been observed in a fine-grain calorimeter exposed to the CERN SPS wide-band antineutrino beam. Among these, 72+/-16 events can be attributed to the neutrino-electron interaction and lead to a value of sin2θ=0.29+/-0.05 (stat.) corresponding to a cross section for the reaction νμe -->νμe of (1.70+/-0.33)×10-42 Eν (cm2/GeV). The systematic error, due to the uncertainties in the knowledge of the antineutrino spectrum, of the electron detection efficiency and of the antineutrino-nucleon total cross section, is estimated to be +/-25%.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11573/242504
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