A5086159320- Nuclear physics research studies
- Particle accelerators and beam dynamics
- Atomic and Molecular Physics
- Atomic and Subatomic Physics Research
- Rare-earth and actinide compounds
- Gyrotron and Vacuum Electronics Research
- Astronomical and nuclear sciences
- Microwave Engineering and Waveguides
- Quantum Chromodynamics and Particle Interactions
- Radio Frequency Integrated Circuit Design
- Superconducting Materials and Applications
- Astro and Planetary Science
- Aerosol Filtration and Electrostatic Precipitation
- Medical Imaging Techniques and Applications
- Advanced Chemical Physics Studies
- Cold Atom Physics and Bose-Einstein Condensates
- Antenna Design and Optimization
- Advanced NMR Techniques and Applications
- Dark Matter and Cosmic Phenomena
- Radiation Detection and Scintillator Technologies
- High-pressure geophysics and materials
- Particle Accelerators and Free-Electron Lasers
Variable Energy Cyclotron Centre
2011-2025
Homi Bhabha National Institute
2021-2025
Abstract The design of the γ-γ fast timing array VENTURE-2.0 is presented as an upgradation VENTURE existing at Variable Energy Cyclotron Centre (VECC), Kolkata. development will give rise to possibility exotic nuclear structure studies in terms shapes, spin and isospin using spectroscopy. new aimed measuring level lifetimes from few nanoseconds down about picoseconds nuclei produced with low cross section. Nine different sizes CeBr 3 detectors crystal dimension (diameter ( ϕ ) × thickness t...
Lifetimes have been measured for the low-lying yrast levels of $^{130,132}\mathrm{Te}$ using $\ensuremath{\gamma}\ensuremath{-}\ensuremath{\gamma}$ fast timing methods. The excited states were populated in ${\ensuremath{\beta}}^{\ensuremath{-}}$ and IT decay fission fragments, mass-separated by Lohengrin separator at Institut Laue-Langevin. Four ${\mathrm{LaBr}}_{3}$(Ce) detectors, placed focal plane spectrometer, used measurement. $\ensuremath{\mu}\mathrm{s}$ isomers coincidence an...
Lifetimes of the $15/{2}_{1}^{\ensuremath{-}}$ and 13/${2}_{1}^{\ensuremath{-}}$ levels in $^{129}\mathrm{Sn}$ have been measured using $\ensuremath{\gamma}\text{\ensuremath{-}}\ensuremath{\gamma}$ fast timing technique which come out to be 10(3) ps 6(4) ps, respectively. The excited states were populated through internal transition decay higher lying $\textmu{}\mathrm{s}$ isomers produced as fission fragments mass separated by Lohengrin separator at Institut Laue-Langevin. generalized...
A positive parity sequence of ΔI=2 γ transitions has been identified above Iπ=9/2+ state (Ex=2019 keV) in 115Sb through in-beam ray spectroscopic technique. Rotational features this are found similar to a low-K decoupled band. Observation newly band, along with the earlier reported strongly coupled high-K band nucleus, provides first experimental evidence for prolate-oblate shape coexistence associated g9/2 proton-hole configuration around Z=50 shell closure. Experimental results reproduced...
Lifetimes are measured for low lying states of $^{150}\mathrm{Sm}$, populated from ${\ensuremath{\beta}}^{\ensuremath{-}}$ decay $^{150}\mathrm{Pm}$ produced through $(p,n)$ reactions with a $^{150}\mathrm{Nd}$ target. The VENTURE array comprising eight fast ${\mathrm{CeBr}}_{3}$ detectors is used lifetime measurement $\ensuremath{\gamma}\text{\ensuremath{-}}\ensuremath{\gamma}$ timing technique. ${0}_{3}^{+}$ level $^{150}\mathrm{Sm}$ the first time to be 36(10) ps. found have enhanced...
This paper presents the design and development of a voltage controlled analog 0–360° variable phase shifter at 1.3 GHz using RF vector addition method. The input signal is split into four signals having phases 0, 90°, 180°, 270° 3-dB rat-race coupler 2 branch line couplers. Each these next passed through FET based attenuator are then combined to get shifted output signal. A novel circuit has been developed supply control voltages attenuators full monotonic shift range 0–360°. designed,...
In this paper we firstly present the design and development of a compact analog phase shifter at 1.3GHz using varactor diode based reflective load then an improved technique/ method applied into designs which mitigates problem large insertion loss variation with control voltage, is very vital requirement for acting as actuator or device in RF applications. Although many designers had earlier minimized shunt resistors load, but it results significant signal loss. The technique herein do away...