22-23 April 2024
TIFR
Asia/Kolkata timezone
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Investigation of two-phonon gamma-vibrational states in 164Er

Presented by Dr. Somsundar MUKHOPADHYAY on 22 Apr 2024 from 12:20 PM to 12:35 PM

PI info

Somsundar Mukhopadhyay

local collaborator info

Prof. R. Palit

Collaborators Name

Pramod Kumar Nayak, Prabhat Kumar Mishra, S. K. Pandit, V. V. Parker, L. S. Danu, V. Kumar, P. V. Patale, A. Kumar, K. Ramachandran, K. Mahata, A. Shrivastava, G. H. Bhat, J. A. Sheikh, S. Frauendorf, U. Garg, A. Chakraborty, Vishal Malik, Piku Dey, Ananya Kundu, A. Sindhu, Shouvik Pal, S. K. Jadhav, B. S. Naidu, A. T. Vazhappily, and R. Palit.

Motivation

The exotic phenomenon of two-phonon gamma-vibration in deformed nuclei has been a stimulating and extensively discussed theme in nuclear structure research. The Erbium isotopes offer a unique opportunity to experimentally observe such exotic collective excitations, and test alternative theoretical model approaches. Following evidences in 166Er and 168Er, we plan to search this excitation toward the neutron-deficient side in the Er chain of isotopes. The primary nucleus of interest is 164Er in this investigation, which we plan to study using alpha transfer reaction from 6Li projectile. INGA array, coupled with CPDA and LaBr3 detectors will be used.

Beam time requirement in shifts

18

Beam

6Li (Lithium ion with mass number 6)

Beam Energy

42-44 MeV

Beam Current

1-2 pnA

Beam Port

Linac Hall -2 15D

Buncher Required

No.

Target / Sample Details

162Dy enriched foil or electro-deposited

Whether the experiment is part of PhD work ?

Yes

Name of the PhD student and year of registration

Pramod Kumar Nayak, 2022

Whether the experiment is part of Post-Doc work ?

No

Name of the Post Doc fellow

NA

information on the past beamtime at PLF

A short experiment was done to investigate a different physics case in A~50-60 mass region in November 2022 using an alternate target (50Ti) which did not yield the originally desired outcome. The originally proposed target (48Ca) was unfortunately broken at the beginning of that experiment.

Publication information related to prior work at the PLF

NA

Place

Location: TIFR
Room: AG66

Primary authors

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Co-authors

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