Positron-neutrino correlation in the O+ -> O+ decay of Ar-32

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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/9922

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Título:	Positron-neutrino correlation in the O+ -> O+ decay of Ar-32
Autor:	Adelberger, E. G.; Ortiz, C.; García, A.; Swanson, H. E.; Beck, M.; Tengblad, Olof ; García Borge, María José ; Martel, Ismael; Bichsel, H.
Palabras clave:	[PACS] Angular distribution and correlation measurements [PACS] Leptonic, semileptonic, and radiative decays [PACS] Weak-interaction and lepton (including neutrino) aspects [PACS] Nuclear tests of fundamental interactions and symmetries
Fecha de publicación:	16-ago-1999
Editor:	American Physical Society
Citación:	Physical Review Letters 83(7): 1299-1302 (1999)
Resumen:	The positron-neutrino correlation in the O+ -> O+ decay of Ar-32 was measured at ISOLDE by analyzing the effect of lepton recoil on the shape of the narrow proton group following the superallowed decay. Our result is consistent with the standard model prediction. For vanishing Fierz interference we find a = 0.9989 ± 0.0052 ± 0.0039, which yields improved constraints on scalar weak interactions.
Descripción:	4 pages, 1 table, 4 figures.-- PACS nrs.: 23.20.En, 13.30.Ce, 23.40.Bw, 24.80.+y.-- Erratum to this paper in: Phys. Rev. Lett. 83(15): 3101-3101 (1999). Erratum available at: http://digital.csic.es/handle/10261/12896
Versión del editor:	http://dx.doi.org/10.1103/PhysRevLett.83.1299
URI:	http://hdl.handle.net/10261/9922
DOI:	10.1103/PhysRevLett.83.1299
ISSN:	0031-9007
Aparece en las colecciones:	(CFMAC-IEM) Artículos

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