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Title: OMC studies for the matrix elements in ββ decay

Energy and time spectra of gamma-rays following μ-capture in natural Kr, Se, Cd and Sm, as well as isotopic enriched {sup 82}Kr, {sup 76}Se, {sup 106}Cd and {sup 150}Sm, have been measured. Total life-times of muons in different isotopes, as well as partial μ-capture rates to the excited states of {sup 48}Sc, {sup 76}As and {sup 106}Ag, were extracted. These results are discussed in the context of the double-beta decay matrix elements. The data are also compared with data from theoretical calculations and with data from charge-exchange reactions on {sup 48}Ti. It is the first time that μ-capture and charge-exchange reaction data are being compared in the context of ββ decay.
Authors:
; ; ; ; ;  [1] ;  [2] ;  [3]
  1. Joint Institute for Nuclear Research, 141980 Dubna (Russian Federation)
  2. Centre de Spectrometrie Nucleaire et de Spectrometrie de Masse, Universite Paris-Sud-CNRS-IN2P3, 91405 Orsay Campus (France)
  3. Paul Scherrer Institute, 5232 Villigen PSI (Switzerland)
Publication Date:
OSTI Identifier:
22262665
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1572; Journal Issue: 1; Conference: MEDEX '13: Workshop on calculation of double-beta-decay materx elements, Prague (Czech Republic), 11-14 Jun 2013; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ARSENIC 76; CADMIUM 106; CHARGE-EXCHANGE REACTIONS; DOUBLE BETA DECAY; EXCITED STATES; GAMMA RADIATION; KRYPTON 82; MATRIX ELEMENTS; MUONS; SAMARIUM 150; SCANDIUM 48; SELENIUM 76; SILVER 106; SPECTRA; TITANIUM 48