TY  - JOUR
AU  - Phong, V. H. et al
AU  - Agramunt, J.
AU  - Algora, A.
AU  - Domingo-Pardo, C.
AU  - Morales, A. I.
AU  - Rubio, B.
AU  - Tain, J. L.
AU  - Tarifeño-Saldivia, A.
AU  - Tolosa-Delgado, A.
PY  - 2022
DA  - 2022//
TI  - Beta-Delayed One and Two Neutron Emission Probabilities South-East of Sn-132 and the Odd-Even Systematics in r-Process Nuclide Abundances
T2  - Phys. Rev. Lett.
JO  - Physical Review Letters
SP  - 172701
EP  - 7pp
VL  - 129
IS  - 18
PB  - Amer Physical Soc
AB  - The beta-delayed one- and two-neutron emission probabilities (P-1n and P-2n) of 20 neutron-rich nuclei with N >= 82 have been measured at the RIBF facility of the RIKEN Nishina Center. P-1n of Ag-130;131, Cd-133;134, In-135;136, and (138;13)9Sn were determined for the first time, and stringent upper limits were placed on P-2n for nearly all cases. beta-delayed two-neutron emission (beta 2n) was unambiguously identified in Cd-133 and In-135;136, and their P-2n were measured. Weak beta 2n was also detected from Sn-137;138. Our results highlight the effect of the N = 82 and Z = 50 shell closures on beta-delayed neutron emission probability and provide stringent benchmarks for newly developed macroscopic-microscopic and self-consistent global models with the inclusion of a statistical treatment of neutron and. emission. The impact of our measurements on r-process nucleosynthesis was studied in a neutron star merger scenario. Our P-1n and P-2n have a direct impact on the
SN  - 0031-9007
UR  - https://doi.org/10.1103/PhysRevLett.129.172701
DO  - 10.1103/PhysRevLett.129.172701
LA  - English
N1  - WOS:000910940600006
ID  - Phong_etal2022
ER  -