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Investigation of the /sup 203/ /sup 205/Tl level schemes after (n,n'gamma) reactions at 2. 75 MeV

Technical Report ·
OSTI ID:6560977
; ; ; ;

Some 259 gamma-lines have been observed with Ge(Li) detectors from (/sup 203/ /sup 205/)Tl(n,n'gamma) reactions with 2.75 MeV neutrons using (/sup nat/)Tl and enriched (/sup 203/)Tl samples. The different gamma lines could be attributed unambiguously to the (/sup 203/)Tl and (/sup 205/)Tl isotopes. It was possible to assign only 60 and 54 transitions to the known level schemes of (/sup 203/)Tl and (/sup 205/)Tl, respectively. From these facts it can be concluded that the low spin members in (/sup 203/ /sup 205/) Tl between 1.5 and 2.7 MeV are only partially known. The decay of a 5/2/sup -/ level at 2623.1 keV in (205)Tl was identified and the corresponding transition energies have been measured. With these results isomer shifts of general gamma lines corresponding to the decay of the same 5/2/sup -/ level in muonic (/sup 205/)Tl were determined.

Research Organization:
Technische Hochschule Darmstadt (Germany, F.R.)
OSTI ID:
6560977
Report Number(s):
PB-80-213002
Country of Publication:
United States
Language:
English

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Related Subjects

640303 -- Atomic
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651923* -- Nuclear Properties & Reactions
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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
ATOMS
BARYON REACTIONS
BARYONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
FAST NEUTRONS
FERMIONS
GAMMA SPECTRA
HADRON REACTIONS
HADRONS
HEAVY NUCLEI
INELASTIC SCATTERING
ISOMER SHIFT
ISOTOPES
METALS
MEV RANGE
MEV RANGE 01-10
MUONIC ATOMS
NEUTRON REACTIONS
NEUTRONS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
NUCLEONS
ODD-EVEN NUCLEI
SCATTERING
SPECTRA
STABLE ISOTOPES
TARGETS
THALLIUM
THALLIUM 203
THALLIUM 203 TARGET
THALLIUM 205
THALLIUM 205 TARGET
THALLIUM ISOTOPES