Nuclear Data Sheets for A = 92

Abstract

Nuclear structure and decay data pertaining to all nuclides with mass number A=92 (As, Se, Br, Kr, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd) have been compiled and evaluated, and incorporated into the ENSDF data file. A l l l i t e r a t u r e a v a i l a b l e b y 1 5 S e p t e m b e r 2 0 1 2 h a s b e e n c o n s i d e r e d . T h i s e v a l u a t i o n s u p e r s e d e s t h e p r e v i o u s p u b l i c a t i o n f o r t h i s m a s s c h a i n ( C o r a l M . B a g l i n , N u c l e a r D a t a S h e e t s 9 1 , 4 2 3 ( 2 0 0 0 ) ( N o v e m b e r 2 0 0 0 c u t o f f date)), and subsequent unpublished reevaluations by C.M. Baglin for 9 2 Kr (January 2004 literature cut-off) and 92 Sr (August 2003 literature cut-off).Acknowledgments: The evaluator thanks the reviewer of this manuscript for constructive comments. The evaluator

Total Absorption Spectroscopy of Fission Fragments Relevant for Reactor Antineutrino Spectra Determination

“…We obtain a 87.5(25)% feeding in contrast with the previously reported value of 95.2(7)% in ENSDF database [17]. Our value provides the best reproduction of the experimental spectrum, χ 2 = 630, and if one fixes the ground state feeding in our analysis to the 95.2% reported in Ref.…”

“…The same as (a) when fixing the direct ground state feeding to the value of 95.2% reported in Ref. [17].…”

Nuclear structure insights into reactor antineutrino spectra

“…While the ground state β-feeding intensity for 96 Y is considered to be reliable [27], there have been conflicting reports for that of 92 Rb. For many years, the accepted value [28] was ∼50%, only recently updated [29] to 95% based on the work by G. Lhersonneau et al, [30]. We note that the ENDF/B-VII.1 library has a ∼50% branch which we have updated for the present calculations.…”

Triaxiality of neutron-rich Ge84,86,88 from low-energy nuclear spectra

“…It maintains a rather high value at N = 58 before it significantly drops at the onset of collectivity at N = 60. For Sr [50][51][52][53][54]56], Kr [50][51][52][53]56,57], and Se [49,57,59] isotopes, no such peaking of the 2 + 1 energies is found, but rather a flat behavior up to N = 58. Nevertheless, a slight increase in the 2 + 1 energy at N = 56 is observed for 92 Kr and 88 Ge (this work).…”