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Article
Lifetime measurements in the yrast band of the gamma-soft nuclei 131Ce and 133Pr
Lifetimes of excited states in the yrast band of the gamma-soft nuclei 131Ce and 133Pr have been measured using the recoil distance Doppler shift and Doppler shift attenuation methods. The yrast bands in 131Ce an...
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Article
Shape evolution in odd-A 137 Pm
The odd mass nucleus 137Pm has been studied to high spins through the 109Ag(32S, 2p2n)137Pm reaction at an incident beam energy of 150 MeV. The de-exciting γ-rays were detected using an array of 18 Compton suppre...
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Book
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Chapter
Rotational Alignment and Bandcrossings
In the year 1971, in 160Dy [1] nucleus, a discontinuity in the pattern of gamma-ray spectra normally observed in the decay of rotational states, was discovered at angular momentum, I ~ 14ħ. This was interpreted i...
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Chapter
Triaxial Strong Deformation and Wobbling Motion
In this chapter, we will consider the rotational motion in triaxial quadrupole deformed nuclei. The quest to establish stable triaxial shapes in nuclei is being pursued with keen interest during the last about...
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Chapter
Magnetic Rotation
Sequences of rotational-like bands with strong M1 transitions (∆I = 1 bands) were observed in nearly spherical nuclei in the neutron-deficient Pb isotopes in the early 1990s [1–7]. These sequences were later inte...
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Chapter
Chirality in Nuclei
In recent years, one of the most interesting and challenging aspects in high-spin nuclear structure physics has been to prove experimentally the existence of static nuclear chirality. The occurrence of chirali...
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Article
Loss of collectivity in 79Rb
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Article
Loss of collectivity in 79Rb
High-spin states in 79Rb were populated in the reaction \(\mathrm{^{63}Cu \ensuremath(^{19}F, p2n) ^{79}Rb}\) at E(beam
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Article
Shape changes at high spin in 78Kr
High-spin states in 78Kr have been studied via the 63Cu (19F, 2p2n)78Kr reaction at a beam energy of 60 MeV using the Indian National Gamma Array (INGA). In this nucleus, lifetimes have been measured upto the I ...
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Article
First evidence for triaxial superdeformation in 161Lu and 162Lu
High-spin states in 161Lu and 162Lu have been investigated using the GASP γ-ray spectrometer array. Excited states in these nuclei have been populated through the 100Mo(65Cu, xn) reaction at a beam energy of 260 ...
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Article
High Spin States in 70Ge [Erratum: APH N.S., Heavy Ion Physics 11 (2000) 189]
High spin states in70Ge nucleus have been studied in two different experiments using heavy ion fusion evaporation reaction. The Gamma Detector Array comprising of eight Compton-suppressed High Purity Ge detect...
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Article
High spin states in 63Cu
Excited states of 63Cu were populated via the 52Cr+10O (65 MeV) reaction using the gamma detector array equipped with charged particle detector array for reaction channel separation. On the basis of γ-γ coinciden...
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Article
High-spin states in odd-odd 168Lu
High-spin states in the odd-odd 168Lu nucleus, populated in the 154Sm(19F,5n) reaction at a beam energy of 96 MeV, were investigated using in-beam γ-ray spectroscopy techniques. The BC neutron crossing in the yr...
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Article
High spin spectroscopy in odd-odd 170Lu
High-spin states in doubly odd 170Lu have been studied through the 160Gd(14N, 4nγ) fusion-evaporation reaction at a beam energy of 68 MeV. γγ-coincidences, Eγ,Iγ and angular distribution are measured. For the fir...
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Article
Lifetimes of excited states in164Hf
Lifetimes of excited states in164Hf were measured using the Doppler-shift recoil-distance method. Gamma-gamma coincidences at eleven target-stopper distances were measured using the twelve Compton-suppressed Ge-d...
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Article
Internal conversion coefficients ofM4 transitions in125m, 127m, 129mTe decay
The internal conversion coefficients have been measured using a high resolution low energy Ge(Li) detector for the followingM4 transitions:125Te: 109.27keV transitionα T =357±11...
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Article
Half-life measurements in59Co,141Pr and227Ac
The half-lives of the 1291.6 keV level in59Co, 145.43 keV level in141Pr and 27.35 keV level in227Ac have been measured using leading edge and zero-crossover timing techniques. The decay curves analysed by moments...