Neutron Interactions on 136Xe and Their Impact on Neutrinoless Double Beta Decay Searches
Başlık:
Neutron Interactions on 136Xe and Their Impact on Neutrinoless Double Beta Decay Searches
Yazar:
Daugherty, Sean J., author.
ISBN:
9780438094925
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (120 pages)
Genel Not:
Source: Dissertation Abstracts International, Volume: 79-11(E), Section: B.
Advisors: Mike Snow; Lisa Kaufman Committee members: Mike Berger; Rex Tayloe.
Özet:
The search for neutrinoless double beta decay (0nubetabeta ), a rare process which may reveal the Dirac/Majorana nature of the neutrino, requires a careful understanding of all backgrounds. A precise study of neutron interactions on 136Xe, a common isotope in double beta decay experiments, is necessary for the background models in experiments such as EXO-200 and, in the future, nEXO. Neutron capture and neutron inelastic scattering on 136Xe have been studied at the Detector for Advanced Capture Experiments (DANCE) and the GErmanium Array for Neutron Induced Excitations (GEANIE) at the Los Alamos Neutron Science Center. The relative neutron cross sections for neutron capture at thermal and first resonance energies have been measured. The gamma cascades for these captures have also been measured, and cascade models have been developed. Partial gamma ray cross sections of (n,xngamma) are being measured with data from GEANIE. These data will also be used to set limits on the number of events in the 0 nubetabeta ROI for 136Xe. These studies will lead to improved sensitivity to neutrinoless double beta decay in the future.
Notlar:
School code: 0093
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(694729.1) | 694729-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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