A5089883416- Nuclear physics research studies
- Atomic and Molecular Physics
- Astronomical and nuclear sciences
- Quantum Chromodynamics and Particle Interactions
- Advanced NMR Techniques and Applications
- Nuclear Physics and Applications
- Advanced Chemical Physics Studies
- Rare-earth and actinide compounds
- Physics of Superconductivity and Magnetism
- Superconducting Materials and Applications
- X-ray Spectroscopy and Fluorescence Analysis
- Nuclear reactor physics and engineering
- Astro and Planetary Science
- Particle accelerators and beam dynamics
- Superconductivity in MgB2 and Alloys
- Magnetic Properties of Alloys
- Cold Atom Physics and Bose-Einstein Condensates
- Atomic and Subatomic Physics Research
- Numerical methods in engineering
- Geotechnical Engineering and Underground Structures
- Bone fractures and treatments
- Radioactive Decay and Measurement Techniques
- Inorganic Fluorides and Related Compounds
- Muon and positron interactions and applications
- Particle physics theoretical and experimental studies
Indian Institute of Technology Kharagpur
2014-2025
Indian Institute of Technology Gandhinagar
2024
University of the Punjab
2012-2018
Saha Institute of Nuclear Physics
2017
University of Bonn
2002-2015
Indian Institute of Technology Dhanbad
2010-2015
Panjab University
2014
Banaras Hindu University
1991-2014
Indian Institute of Technology Indore
2005-2008
Dr. Shroff’s Charity Eye Hospital
2007
The nucleus 163Lu has been populated through the reaction 139La(29Si,5n) with a beam energy of 157 MeV. Three triaxial, strongly deformed (TSD) bands have observed very similar rotational properties. first excited TSD band earlier assigned as one-phonon wobbling excitation built on lowest-lying (yrast) band. large B(E2)(out)/B(E2)(in) value obtainable for one four transitions between second and is in good agreement particle-rotor calculations two-phonon excitation.
Excited states in 102Rh, populated the fusion-evaporation reaction Zr94(11B,3n)102Rh at a beam energy of 36 MeV, were studied using Indian National Gamma Array spectrometer Inter University Accelerator Center, New Delhi. The angular correlations and electromagnetic character some gamma-ray transitions observed investigated detail. A new chiral candidate sister band was found. Lifetimes exited both bands 102Rh measured for first time A∼100 mass region by means Doppler-shift attenuation...
In the present paper, negative-parity bands based on $\ensuremath{\nu}{h}_{11/2}$ configuration in $^{125}\mathrm{Xe}$ have been revisited. This nucleus was populated through reaction $^{82}\mathrm{Se}(^{48}\mathrm{Ca},5n)^{125}\mathrm{Xe}$ at a beam energy of 205 MeV and corresponding $\ensuremath{\gamma}$ rays were observed using Gammasphere spectrometer. Evidence for first second phonon wobbling excitations has established by measurements directional correlation ratios angular...
High spin states of ${}^{142}$Sm have been investigated using the fusion-evaporation reaction ${}^{116}$Cd (${}^{31}$P, $p4n$) at beam energy 148 MeV Indian National Gamma Array (INGA). Approximately sixty new gamma transitions placed in proposed level scheme, which has extended up to $\ensuremath{\approx}12.5$ MeV. Several band-like structures including one dipole band and three quadrupole bands observed scheme. Lifetimes several levels measured doppler shift attenuation method (DSAM). The...
Lifetime measurements have been carried out using the Doppler shift attenuation method (DSAM) for negative- and positive-parity bands built on $\ensuremath{\pi}{h}_{11/2}\ensuremath{\bigotimes}\ensuremath{\nu}({d}_{5/2}{g}_{7/2})$ $\ensuremath{\pi}{h}_{11/2}\ensuremath{\bigotimes}\ensuremath{\nu}{h}_{11/2}$ configurations, respectively, in $^{124}\text{Cs}$. The reduced transition probabilities obtained both are compared with available theoretical calculations. enhanced $B(E1)$ rates linking...
High-spin states of $^{90}\mathrm{Zr}$ have been investigated using the heavy-ion fusion-evaporation reaction $^{82}\mathrm{Se}(^{13}\mathrm{C},5n)$ at a beam energy 60 MeV. Excited levels observed up to an excitation $\ensuremath{\approx}13$ MeV and spin $\ensuremath{\approx}20\ensuremath{\hbar}$ with addition thirty-two new $\ensuremath{\gamma}$-ray transitions proposed level scheme. Structures both positive- negative-parity highest interpreted shell-model calculations GWBXG interaction...
Near yrast states in ${}^{89}$Zr were investigated up to high spin using the fusion evaporation reaction ${}^{80}$Se(${}^{13}$C, 4$n$) at an incident beam energy of 50 MeV. Excited levels have been observed $\ensuremath{\sim}$10 MeV excitation and $\ensuremath{\sim}$37/2$\ensuremath{\hbar}$ prompt gamma spectroscopy technique with Indian National Gamma Array (INGA). The angular distribution, directional correlation, polarization measurements carried out assign parity newly reported states....
Levels excited up to 39.8 MeV and 119/2 units of angular momentum have been populated in $^{125}\mathrm{Xe}$ by the ${}^{82}\text{Se}$($^{48}\mathrm{Ca}$,5$n$)$^{125}\mathrm{Xe}$ reaction. High-fold $\ensuremath{\gamma}$-ray coincidence events were measured using Gammasphere Ge detector array. Nine regular rotational bands extending from levels identified previously almost 60 $\ensuremath{\hbar}$ identified, three these connected low-lying having well-established spins parities....
Lifetimes of the states in quadrupole structure 143Eu have been measured using Doppler shift attenuation method and parity sequence has firmly identified from polarization measurements Indian National Gamma Array. The decreasing trends deduced transition strength B(E2) with spin, along increasing J(2)/B(E2) values before band crossing, conclusively establish origin these as arising antimagnetic rotation. abrupt increase after crossing band, a novel feature observed present experiment, may...
The negative parity structure in the $^{139}\mathrm{Pm}$ nucleus has been investigated through $^{116}\mathrm{Cd}$ $(^{31}\mathrm{P},$ $\ensuremath{\alpha}4\mathrm{n})$ reaction at ${E}_{\mathrm{lab}}=148\phantom{\rule{0.16em}{0ex}}\mathrm{MeV}$ using Indian National Gamma Array. experimental $B{(E2)}_{\mathrm{out}}/B{(E2)}_{\mathrm{in}}$ and $B{(M1)}_{\mathrm{out}}/B{(E2)}_{\mathrm{in}}$ ratios along with quasiparticle triaxial rotor model frozen alignment approximation calculations for...
The $\ensuremath{\gamma}$ decay of the nuclei $^{124,125}\mathrm{Ba}$ has been investigated by means EUROBALL spectrometer, coupled to DIAMANT array charged-particle detectors, using reaction $^{64}\mathrm{Ni}$ + at ${E}_{\mathrm{beam}}=255$ and 261 MeV. In nucleus $^{125}\mathrm{Ba}$ six new E1 transitions have found link opposite-parity bands currently interpreted as $\ensuremath{\nu}{d}_{5/2}$(+${g}_{7/2}),\ensuremath{\nu}{h}_{11/2}$ structures. previously unknown...
The level structure of 14060Nd80 has been established up to spin 48 by in-beam γ-ray spectroscopy use the 96Zr(48Ca, 4n) reaction. High-fold coincidences were measured with EUROBALL spectrometer. Twelve new rotational bands have discovered at high spins. They are interpreted as being formed in a deep triaxial minimum ɛ2≈0.25 and γ≈35∘. Possible configurations assigned observed on basis configuration-dependent cranked Nilsson-Strutinsky calculations.2 MoreReceived 24 May...
High-spin states in $^{126}\mathrm{Xe}$ have been populated the $^{82}\mathrm{Se}$($^{48}\mathrm{Ca}$,4$n$)$^{126}\mathrm{Xe}$ reaction two experiments, one at VIVITRON accelerator Strasbourg using Euroball detector array, and a subsequent with ATLAS Argonne Gammasphere Ge-detector array. Levels assignments made previously for up to $I=20$ confirmed extended. Four regular bands extending spin of almost $I=60$, which are interpreted as pairs signature partners opposite parity, identified...
High-spin states in $^{125}\mathrm{I}$ were populated using the reaction $^{82}\mathrm{Se}$($^{48}\mathrm{Ca},p4n$) at a beam energy of 200 MeV and $\ensuremath{\gamma}$-ray coincidence events acquired with Gammasphere spectrometer. The level scheme was extended considerably. In particular, maximally aligned involving all eleven particles outside $^{114}\mathrm{Sn}$ core observed. Comparison cranked Nilsson-Strutinsky calculations suggests that three these are final ${I}_{\mathrm{max}}$...
High-spin states in ${}^{123}$I have been populated the ${}^{80}$Se(${}^{48}$Ca,$p4n$)${}^{123}$I reaction at 207 MeV and $\ensuremath{\gamma}$-ray coincidence events recorded with Gammasphere spectrometer. The level scheme of has extended up to spin $I=63/2$. nucleus undergoes a shape transition from moderately deformed collective rotation low spins noncollective oblate configurations higher spins. Maximally aligned terminating involving all nine particles outside ${}^{114}$Sn core one...
High-spin dipole structures in $^{143}\mathrm{Eu}$ have been studied via the fusion-evaporation $^{116}\mathrm{Cd}$ $(^{31}\mathrm{P}$, $4n)$ reaction at a beam energy of 148 MeV using clover detector array (Indian National Gamma Array). The parity two observed bands has firmly established from linear polarization measurements. Level lifetimes these measured Doppler shift attenuation method. drop $B(M1)$ values with spin exhibits clear signature magnetic rotational character bands....
The present Rapid Communication reports conclusive evidence for an antimagnetic rotational band in the odd-odd $^{142}\mathrm{Eu}$ nucleus. parity of states a quadrupole sequence this nucleus is identified firmly from polarization measurements using Indian National Gamma Array, and lifetimes some same structure are measured Doppler-shift attenuation method. decreasing trends deduced transition strength $B(E2)$ with spin along increasing ${J}^{(2)}/B(E2)$ values conclusively establish origin...