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SUMMARY:Nuclear structure studies relevant for 136Xe neutrinoless double b
 eta decay
DTSTART;VALUE=DATE-TIME:20260520T103500Z
DTEND;VALUE=DATE-TIME:20260520T105500Z
DTSTAMP;VALUE=DATE-TIME:20260624T055208Z
UID:indico-contribution-3838@indico.tlabs.ac.za
DESCRIPTION:Speakers: Jespere Calderone Nzobadila Ondze (University of the
  Western Cape)\nThe search for neutrinoless double beta (0νββ) decay pr
 ovides a unique probe of the Majorana nature of neutrinos\, i.e whether ne
 utrinos are their own antiparticles. The observation of this process would
  imply the violation of lepton number conservation and signal new physics\
 , beyond the Standard Model. However\, the interpretation of 0νββ exper
 imental searches relies critically on nuclear matrix element (NME) calcula
 tions\, which are sensitive to nuclear structure inputs and remain a signi
 ficant source of uncertainty. In this talk\, I will discuss nuclear struct
 ure properties relevant to the 136Xe 0νββ decay\, investigated via the 
 137Ba(d\,3He)136Cs single-nucleon transfer reaction. The results provide e
 xperimental constraints on single-proton occupancies and contribute to red
 ucing uncertainties in NME calculations.\n\nReferences\n[1] S. J. Freeman 
 et al\, Experimental study of the rearrangements of valence protons and ne
 utrons amongst single-particle orbits during double β decay in 100Mo. Phy
 s. Rev. C\, 96:054325\, 2017.\n[2] J.P. Entwisle et al\, Change of nuclear
  configurations in the neutrinoless double-β decay of 130Te →130 Xe and
  136Xe →136 Ba\, Phys. Rev. C\, 93:064312\, 2016..\n[3] B. P. Kay et al\
 , Nuclear structure relevant to neutrinoless double β decay: The valence 
 protons in 76Ge and 76Se. Phys. Rev. C\, 79:021301\, 2009\n\nhttps://indic
 o.tlabs.ac.za/event/139/contributions/3838/
LOCATION:NRF-iThemba LABS\, Old Faure Road\, Cape Town Auditorium
URL:https://indico.tlabs.ac.za/event/139/contributions/3838/
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