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arXiv · 1703.08264

Double charge exchange ($^{11}$B,$^{11}$Li) reaction for double beta decay response

K. Takahisa·H. Ejiri·H. Akimune·H. Fujita·R. Matumiya·T. Ohta·T. Shima·M. Tanaka·M. Yosoi
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Abstract

The ($^{11}$B,$^{11}$Li) double charge-exchange reaction (DCER) at $E(^{11}$B)/$A$=80 MeV was measured for the first time to demonstrate the feasibility of the reaction for studying neutrino nuclear responses for double beta decays (DBD). The $^{13}$C($^{11}$B,$^{11}$Li)$^{13}$O reaction shows strengths at the ground state and low and high excitation giant resonance regions. The $^{56}$Fe ($^{11}$B,$^{11}$Li) $^{56}$Ni reaction shows the large strengths in the possible double giant resonance region and beyond, but shows no strengths in the low excitation region below 5 MeV, suggesting strong concentration of the DBD strength at the high excitation region. The DCER is used to evaluate the spin isospin strengths relevant to DBD responses.

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K. Takahisa, H. Ejiri, H. Akimune, H. Fujita, R. Matumiya, T. Ohta, T. Shima, M. Tanaka, M. Yosoi. 2017-03-24. Double charge exchange ($^{11}$B,$^{11}$Li) reaction for double beta decay response. https://arxiv.org/abs/1703.08264

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