We report our final results from the analysis of the full high statistics sample of events of the reaction nu(mu) + e(-) --> mu(-) + nu(e) collected with the CHARM II detector in the CERN wide-band neutrino beam during the years 1988 to 1991. From a signal of 15 758 +/- 324 inverse muon decay events we derived, in the Born approximation, a value of (16.51 +/- 0.93) x 10(-42) cm(2) GeV-1 for the asymptotic cross section slope sigma/E(n)u, in good agreement with the Standard Model prediction of 17.23 x 10(-42) cm(2) GeV-1. The result constrains the scalar coupling of the electron and the muon to \g(LL)(S)\(2) < 0.475 at 90% CL.

A Precise Measurement of the Cross-section of the Inverse Muon Decay Nu(mu)+e(-)-]mu(-)+nu(e) / P., V., G., W., R., B., W., F., H., G., T., M., H., O., J., P., A., R., K., W., G., Z., V., Z., F. W., B., C., F., L., G., T., L., F., N., G., R., P., S., T., V., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 364:(1995), pp. 121-126. [10.1016/0370-2693(95)01298-6]

A Precise Measurement of the Cross-section of the Inverse Muon Decay Nu(mu)+e(-)-]mu(-)+nu(e)

FIORILLO, GIULIANA;PALLADINO, VITTORIO;
1995

Abstract

We report our final results from the analysis of the full high statistics sample of events of the reaction nu(mu) + e(-) --> mu(-) + nu(e) collected with the CHARM II detector in the CERN wide-band neutrino beam during the years 1988 to 1991. From a signal of 15 758 +/- 324 inverse muon decay events we derived, in the Born approximation, a value of (16.51 +/- 0.93) x 10(-42) cm(2) GeV-1 for the asymptotic cross section slope sigma/E(n)u, in good agreement with the Standard Model prediction of 17.23 x 10(-42) cm(2) GeV-1. The result constrains the scalar coupling of the electron and the muon to \g(LL)(S)\(2) < 0.475 at 90% CL.
1995
A Precise Measurement of the Cross-section of the Inverse Muon Decay Nu(mu)+e(-)-]mu(-)+nu(e) / P., V., G., W., R., B., W., F., H., G., T., M., H., O., J., P., A., R., K., W., G., Z., V., Z., F. W., B., C., F., L., G., T., L., F., N., G., R., P., S., T., V., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 364:(1995), pp. 121-126. [10.1016/0370-2693(95)01298-6]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/412392
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