Indian National Gamma Array at IUAC

Muralithar, S.; Rani, K. J.; Singh, R. P.; Das, J. J.; Gehlot, J.; Golda, K. S.; Jhingan, A.; Madhavan, N.; Nath, S.; Sugathan, P.; Varughese, T.; Archunan, M.; Barua, P.; Gupta, A.; Jain, M.; Kothari, A.; Kumar, Bharat; Malyadri, A J; Naik, Umesh; Kumar, Raj; Kumar, Rajesh; Zacharias, Jerrold R.; Rao, S. Venugopal; Saini, Santosh Kumar; Suman, Saket; Kumar, Mukesh; Subramaniam, Erica; Venkataramanan, S.; Dhal, A.; Jnaneswari, G.; Negi, D.; Raju, M. Kumar; Trivedi, T.; Bhowmik, R. K.

doi:10.1088/1742-6596/312/5/052015

Cited by 11 publications

(5 citation statements)

References 10 publications

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“…9 Be beam at 48 MeV was delivered by the 15 UD palletron accelerator of the Inter-University Accelerator Centre (IUAC), New Delhi [18,19]. The Indian National Gamma Array (INGA) [20], equipped with 14 Comptonsuppressed clover detectors, was used to collect the depopulating γ-rays. A 8.4 mg/cm 2 thick 122 Sn foil was used as target.…”

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confidence: 99%

Revised level structure of ¹²⁷ Xe

Chakraborty

Sharma

Tiwary

et al. 2018

EPL

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Excited states of 127 Xe were populated via 122 Sn( 9 Be, 4nγ) fusion-evaporation reaction. A level at 2306.7 keV has been established instead of the previously reported two different levels at 2307 keV. J π = 19/2 + has been assigned to this level on the basis of the DCO ratio and linear polarization asymmetry of decaying γ-rays. A weak γ-ray of 840.2 keV, decaying from this 19/2 + state to the 17/2 − state, has also been identified. Results are compared with neighboring Xe isotopes.

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confidence: 99%

Revised level structure of ¹²⁷ Xe

Chakraborty

Sharma

Tiwary

et al. 2018

EPL

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“…We performed two experiments with (i) 7 Li (E beam = 50 MeV) on 124 Sn target, and (ii) 11 B (E beam = 70 MeV) on 124 Sn target, using the 14 MV Pelletron accelerators at the Inter University accelerator center (New Delhi, India) and the Tata Institute of Fundamental Research (Mumbai, India), respectively. The INGA set-ups [10,11] consisting of 15-18 Compton suppressed HPGe clover detectors, were utilized for the detection of γ-rays. The details of the two experimental set-ups are very similar.…”

Section: Methodsmentioning

confidence: 99%

Shapes and Symmetries in A ∼ 130 Nuclei: A Perspective through Measured Transition Probabilities

Das¹

2021

Bulg.J.Phys.

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We investigated two isotones (N = 74) -129 Cs and 127 I in the mass region 130 -both with moderate deformation, exhibiting signature splitting in their positive-parity bands based on the πg 7/2 configuration. Interestingly, signature inversion occurs in 127 I at low spin (19/2 + ), while no inversion has been observed for 129 Cs. Here we present some new results on the reduced transition probability B(E2) for states belonging to 127 I. The lifetimes in picoseconds were measured using the Doppler Shift Attenuation Method (DSAM). We utilized the single quasi-particle rotor model to theoretically describe our results, which suggest higher deformation and triaxiality (ε 2 = 0.23, γ = 28 • in Lund convention) for 127 I than for 129 Cs (ε 2 = 0.15, γ = 18 • ).

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“…Thus a physically segmented detector can give you a smaller Doppler broadening than an unsegmented detector of the same volume. INGA, a clover detector array, and cluster detectors [35,36,80] are examples of this strategy.…”

Section: High Purity Germanium (Hpge) Detectorsmentioning

confidence: 99%

“…The Indian National Gamma Array (pictured in Fig. 3.12) is an array of 24 escape suppressed HPGe clover detectors [80]. Since INGA utilizes clover detectors, it is sensitive to the polarization of gamma rays emitted from nuclei in aligned states [35].…”

Section: Indian National Gamma Array (Inga)mentioning

confidence: 99%

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Exotic Nuclear Excitations: The Transverse Wobbling Mode in 135 Pr

Matta¹

2017

Springer Theses

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James Till MattaThe exotic collective excitation transverse wobbling has been investigated in the nucleus, 135 Pr. A pair of zero and one-phonon wobbling bands has been observed.The nature of these wobbling bands was confirmed by the ∆I = 1, E2 nature of the n w = 1 → n w = 0 interband transitions making 135 Pr the first nucleus observed to exhibit wobbling behavior other than five nuclei in the A ∼ 160. Additionally, a possible two-phonon wobbling band has been observed and its nature has been partially confirmed by measuring the ∆I = 1, E2 nature of the n w = 2 → n w = 1 interband transitions. The theory of transverse wobbling was proposed to explain

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Indian National Gamma Array at IUAC

Cited by 11 publications

References 10 publications

Revised level structure of ¹²⁷ Xe

Revised level structure of ¹²⁷ Xe

Shapes and Symmetries in A ∼ 130 Nuclei: A Perspective through Measured Transition Probabilities

Exotic Nuclear Excitations: The Transverse Wobbling Mode in 135 Pr

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Indian National Gamma Array at IUAC

Cited by 11 publications

References 10 publications

Revised level structure of 127 Xe

Revised level structure of 127 Xe

Shapes and Symmetries in A ∼ 130 Nuclei: A Perspective through Measured Transition Probabilities

Exotic Nuclear Excitations: The Transverse Wobbling Mode in 135 Pr

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Product

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Revised level structure of ¹²⁷ Xe

Revised level structure of ¹²⁷ Xe