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Total absorption spectroscopy study of Rb-92 decay: a major contributor to reactor antineutrino spectrum shape
dc.contributor.author | Zakari-Issoufou, A.-A. |
dc.contributor.author | Fallot, M. |
dc.contributor.author | Porta, A. |
dc.contributor.author | Caballero Folch, Roger |
dc.contributor.author | Gómez Hornillos, María Belén |
dc.contributor.author | Gorlychev, V. |
dc.date.accessioned | 2016-01-07T13:20:58Z |
dc.date.available | 2016-01-07T13:20:58Z |
dc.date.issued | 2015-09-04 |
dc.identifier.citation | Zakari-Issoufou, A.-A., Fallot, M., Porta, A., Caballero-Folch, R., Gómez-Hornillos, M.B., Gorlychev, V. Total absorption spectroscopy study of Rb-92 decay: a major contributor to reactor antineutrino spectrum shape. "Physical review letters", 04 Setembre 2015, vol. 115, núm. 10, p. 102503-1-102503-6. |
dc.identifier.issn | 0031-9007 |
dc.identifier.uri | http://hdl.handle.net/2117/81103 |
dc.description.abstract | The antineutrino spectra measured in recent experiments at reactors are inconsistent with calculations based on the conversion of integral beta spectra recorded at the ILL reactor. Rb-92 makes the dominant contribution to the reactor antineutrino spectrum in the 5-8 MeV range but its decay properties are in question. We have studied Rb-92 decay with total absorption spectroscopy. Previously unobserved beta feeding was seen in the 4.5-5.5 region and the GS to GS feeding was found to be 87.5(25)%. The impact on the reactor antineutrino spectra calculated with the summation method is shown and discussed. |
dc.description.abstract | The antineutrino spectra measured in recent experiments at reactors are inconsistent with calculations based on the conversion of integral beta spectra recorded at the ILL reactor. Rb-92 makes the dominant contribution to the reactor antineutrino spectrum in the 5-8 MeV range but its decay properties are in question. We have studied Rb-92 decay with total absorption spectroscopy. Previously unobserved beta feeding was seen in the 4.5-5.5 region and the GS to GS feeding was found to be 87.5(25)%. The impact on the reactor antineutrino spectra calculated with the summation method is shown and discussed. |
dc.language.iso | eng |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Física |
dc.subject.lcsh | Physics |
dc.subject.other | Beta-decay |
dc.subject.other | Fission-products |
dc.subject.other | Penning Trap |
dc.subject.other | Spectometer |
dc.title | Total absorption spectroscopy study of Rb-92 decay: a major contributor to reactor antineutrino spectrum shape |
dc.type | Article |
dc.subject.lemac | Física |
dc.subject.lemac | Física |
dc.contributor.group | Universitat Politècnica de Catalunya. ANT - Advanced Nuclear Technologies Research Group |
dc.identifier.doi | 10.1103/PhysRevLett.115.102503 |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Open Access |
local.identifier.drac | 16943015 |
dc.description.version | Postprint (published version) |
local.citation.author | Zakari-Issoufou, A.-A.; Fallot, M.; Porta, A.; Caballero-Folch, R.; Gómez-Hornillos, M.B.; Gorlychev, V. |
local.citation.publicationName | Physical review letters |
local.citation.volume | 115 |
local.citation.number | 10 |
local.citation.startingPage | 102503-1 |
local.citation.endingPage | 102503-6 |
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