Phys.Rev. C 107, 014304 (2023)

Y.M.Xing, C.X.Yuan, M.Wang, Y.H.Zhang, X.H.Zhou, Yu.A.Litvinov, K.Blaum, H.S.Xu, T.Bao, R.J.Chen, C.Y.Fu, B.S.Gao, W.W.Ge, J.J.He, W.J.Huang, T.Liao, J.G.Li, H.F.Li, S.Litvinov, S.Naimi, P.Shuai, M.Z.Sun, Q.Wang, X.Xu, F.R.Xu, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, M.Zhang, X.Zhou

Isochronous mass measurements of neutron-deficient nuclei from ¹¹²Sn projectile fragmentation

ATOMIC MASSES ⁶⁹As, ⁷³Br, ⁷⁵Kr, ⁷⁹Sr, ⁸¹Y, ⁸⁷Mo, ^87mMo, ⁹¹Ru, ^91mRu, ⁹³Rh, ^93mRh, ⁹⁵Pd, ^95mPd, ¹⁰³Sn; measured revolution times of stored ions, ToF; deduced mass excesses. ²⁷Al, ²⁹Si, ³¹P, ³³S, ³⁵Cl, ³⁷Ar, ^39,40K, ^41,42Ca, ^43,43mSc, ⁴⁶Ti, ^47,48V, ^50,49Cr, ^51,52,52mMn, ^51m,53,54Fe, ^55,56,57Co, ^57,58,59Ni, ^59,60,61Cu, ^62,63Zn, ^63,65Ga, ^65,66Ge, ^67,68,69,70Se, ⁷¹Br, ^73,74Kr, ^75,76,77Rb, ^77,78Sr, ⁸²Zr, ⁸⁴Nb, ⁸⁶Mo, ⁹⁰Ru, ⁹⁴Pd, ^97,97mAg, ⁹⁹Cd, ^101,101mIn; analyzed masses by comparing to previously measured values and AME2020 evaluation. ⁸⁷Mo, ⁹¹Ru, ⁹³Rh, ⁹⁵Pd; deduced isomer ratios, isomeric states and assigned J, π values as 1/2^- from systematics. ^91mRu; deduced mass excess based on the precise measured value for ⁹⁰Mo. ¹⁰⁴Sb, ¹⁰⁷Te, ¹⁰⁸I, ¹¹¹Xe, ¹¹²Cs; deduced mass excess based on measured mass excess value for ¹⁰³Sn and literature Q values for α- and p-decays. Systematics of 1/2^- isomers in Zr, Mo, Ru, Pd and Cd isotopes and comparison to shell-model calculations. Comparison to AME2020 and NUBASE2020. Isochronous mass spectrometry at the Cooler Storage Ring in Lanzhou of the fragments from ⁹Be(¹¹²Sn, X), E=400.88 MeV/nucleon reaction.

NUCLEAR REACTIONS ⁹Be(¹¹²Sn, X), E=400.88 MeV/nucleon; measured reaction products, number of produced fragments. ^87,87mMo, ^91,91mRu, ^93,93mRh, ^95,95mPd; deduced isomeric ratios.

doi: 10.1103/PhysRevC.107.014304