Structure of rotational bands in 
Rh109

All levels below 5.2 MeV in 25Mg have been studied using the reaction 25Mg(p, p′γ). In-elastically scattered protons were detected in an annular surface barrier detector located at 180°; coincidence gamma-ray spectra were obtained at Ge (Li) detector angles of 90°, 45°, and 135°. Level energies were determined from unshifted gamma-ray energies recorded in the 90° spectra. Lifetimes were obtained from the attenuated Doppler shift of gamma-ray energies recorded in spectra taken at forward and backward angles. Branching ratios were deduced from the combined data of all three angles. The identification of levels as members of rotational bands is discussed, and transition strengths deduced from the present measurements are compared with predictions of the simple rotational model.

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Particle-number conserving analysis of rotational bands in247,249Cm and249Cf

Physical Review C ◽

10.1103/physrevc.83.011304 ◽

2011 ◽

Vol 83 (1) ◽

Cited By ~ 41

Author(s):

Zhen-Hua Zhang ◽

Jin-Yan Zeng ◽

En-Guang Zhao ◽

Shan-Gui Zhou

Keyword(s):

Particle Number ◽

Rotational Bands

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Properties of the ground state rotational bands in 169Tm and 171Tm

Nuclear Physics A ◽

10.1016/0375-9474(68)90311-4 ◽

1968 ◽

Vol 119 (2) ◽

pp. 417-434 ◽

Cited By ~ 30

Author(s):

E.N. Kaufmann ◽

J.D. Bowman ◽

S.K. Bhattacherjee

Keyword(s):

Ground State ◽

Rotational Bands

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Effective decoupling in some odd-A odd-Z rotational bands

Pramana ◽

10.1007/bf02879015 ◽

1989 ◽

Vol 32 (3) ◽

pp. 209-229 ◽

Cited By ~ 1

Author(s):

Kiran Jain ◽

A K Jain ◽

R K Sheline

Keyword(s):

Rotational Bands

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NEW STRUCTURES IN 178HF AND COULOMB EXCITATION OF ISOMERS

International Journal of Modern Physics E ◽

10.1142/s0218301311017879 ◽

2011 ◽

Vol 20 (02) ◽

pp. 474-481 ◽

Cited By ~ 3

Author(s):

A.B. HAYES ◽

D. CLINE ◽

C. Y. WU ◽

A.M. HURST ◽

M.P. CARPENTER ◽

...

Keyword(s):

Angular Momentum ◽

Ground State ◽

Coulomb Excitation ◽

National Laboratory ◽

Argonne National Laboratory ◽

Particle Detector ◽

Ground State Band ◽

Rotational Bands ◽

Coincidence Data ◽

State Band

A 985 MeV 178 Hf beam was Coulomb excited by a 208 Pb target at the ATLAS accelerator of Argonne National Laboratory. Gammasphere and the CHICO particle detector recorded particle-γ coincidence data. The aim was to populate and determine the mechanism of previously observed Coulomb excitation of the Kπ = 6+ (t1/2 = 77 ns ), 8- (4 s ) and 16+ (31 y ) isomer bands. New rotational bands were identified including an aligned band which appears to mix with the ground-state band (GSB) and the γ-vibrational band above ~ 12 ħ of angular momentum. Newly observed γ-decay transitions into the three isomer bands may elucidate the K-mixing which allows Coulomb excitation of these isomer bands, but direct decays from the GSB into the 16+ isomer band have not yet been confirmed.

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