ADOPTED LEVELS for 50Cl

Authors: Jun Chen and Balraj Singh |  Citation: Nucl. Data Sheets 157, 1 (2019) |  Cutoff date: 15-Apr-2019 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=21070 keV SYS(n)= 1270 keV SYS(p)= 20640 keV SYQ(α)= -17660 keV SY
Reference: 2017WA10

General Comments:

2009Ta05, 2009Ta24: 50Cl identified by fragmentation of 76Ge beam at 132 MeV/nucleon at NSCL facility using A1900 fragment separator combined with S800 analysis beam line to form a two stage separator system. The transmitted fragments were analyzed event-by-event in momentum and particle identification. The nuclei of interest were stopped in eight Si diodes which provided measurement of energy loss, nuclear charge and total kinetic energy. The time-of-flight of each particle that reached the detector stack was measured in four different ways using plastic scintillators, Si detectors, and parallel-plate avalanche counters. The simultaneous measurement of ΔE signals, the magnetic rigidity, total kinetic energy and the time-of-flight (tof) provided unambiguous identification of the atomic number, charge state and mass number.

Theory references: consult the NSR database (www.nndc.bnl.gov/nsr/) for two references for structure calculations.

Q-value: Estimated ΔQ(β-)=780, ΔS(n)=850, ΔS(p)=900, ΔQ(α)=920 (2017Wa10)

Q-value: Q(β-n)=16860 720, S(2n)=4120 780 (syst, 2017Wa10). S(2p)=44540 (2019Mo01, theory). Q(β-2n)=14590 980, Q(β-3n)=8890 930 (syst), deduced by evaluators from mass excesses in 2017Wa10




E(level)
(keV)
T1/2(level)
  0 % β- = 100
% β-n = ?
% β-2n = ?
% B-3N = ?

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
  0 % β- = 100
% β-n = ?
% β-2n = ?
% B-3N = ?
β- is the only possible decay mode, followed by β-delayed neutron emissions, thus 100% β- decay is assigned by inference, although, no radiation from the decay of 50Cl has yet been observed.
E(level): β- is the only possible decay mode, followed by β-delayed neutron emissions, thus 100% β- decay is assigned by inference, although, no radiation from the decay of 50Cl has yet been observed.

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