N.K. Saha

ORCID: 0000-0002-7304-6865
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Research Areas
  • Nuclear Physics and Applications
  • Nuclear physics research studies
  • Atomic and Subatomic Physics Research
  • Radiation Detection and Scintillator Technologies
  • Atomic and Molecular Physics
  • Radioactive Decay and Measurement Techniques
  • X-ray Spectroscopy and Fluorescence Analysis
  • Nuclear reactor physics and engineering
  • History and advancements in chemistry
  • Integrated Circuits and Semiconductor Failure Analysis
  • Electron and X-Ray Spectroscopy Techniques
  • Particle accelerators and beam dynamics
  • Atmospheric Ozone and Climate
  • Physical Unclonable Functions (PUFs) and Hardware Security
  • Advanced NMR Techniques and Applications
  • Neutrino Physics Research
  • Gene expression and cancer classification
  • semigroups and automata theory
  • Computability, Logic, AI Algorithms
  • Spectroscopy and Laser Applications
  • Infrared Target Detection Methodologies
  • Bayesian Methods and Mixture Models
  • Advanced Optical Sensing Technologies
  • Radiation Therapy and Dosimetry
  • Particle Detector Development and Performance

Heidelberg University
2024

Indian Institute of Science Education and Research Kolkata
2024

University of Delhi
1956-1973

ABSTRACT We present the largest optical photometry compilation of gamma-ray bursts (GRBs) with redshifts (z). include 64813 observations 535 events (including upper limits) from 28 February 1997 to 18 August 2023. also a user-friendly web tool grbLC which allows users visualize photometry, coordinates, redshift, host galaxy extinction, and spectral indices for each event in our database. Furthermore, we have added Gamma-ray Coordinate Network (GCN) scraper that can be used collect data by...

10.1093/mnras/stae1484 article EN cc-by Monthly Notices of the Royal Astronomical Society 2024-06-20

10.1007/bf01343607 article DE The European Physical Journal A 1938-07-01

10.1016/0029-5582(65)90691-7 article EN Nuclear Physics 1965-11-01

The gamma-gamma directional correlation of the 35-493 keY cascade in decay 2�3 d 116Cd has been studied by coincidence method. results seem to favour spin and parity assignments 1/.+, 3/.+, 1/.- for levels at 864, 829, 336 respectively, indicate that 35 transition is (96�5�0�5)% Ml (3�5�0�5)% E2, with a mixing parameter 8 = -0�191� 0�014. These agree recent I.C.C. measurements Backlin, Fogelberg, Malmskog but differ from those earlier work. Computation partial lifetimes radiation on this...

10.1071/ph680317 article EN Australian Journal of Physics 1968-01-01

10.1016/0029-5582(65)90235-x article EN Nuclear Physics 1965-08-01

10.1016/0029-554x(61)90201-4 article EN Nuclear Instruments and Methods 1961-08-01

10.1016/0029-554x(62)90033-2 article EN Nuclear Instruments and Methods 1962-02-01

10.1016/0029-5582(66)90104-0 article EN Nuclear Physics 1966-05-01

The decay of 45.1-day $^{59}\mathrm{Fe}$ has been studied with a 40-${\mathrm{cm}}^{3}$ Ge(Li) detector, low-energy photon and Ge(Li)-NaI(T1) coincidence system. measured $\ensuremath{\gamma}$-ray energies in keV (intensities parentheses) are as follows: 142.648 (1.02 \ifmmode\pm\else\textpm\fi{} 0.04)%, 192.344 (3.08 0.10)%, 334.8 0.2 (0.27 0.01)%, 382.0 0.4 (0.018 0.003)%, 1099.224 (56.5 1.5)%, 1291.564 (43.2 1.1)%, 1481.7 (0.059 0.006)%....

10.1103/physrevc.8.2277 article EN Physical Review C 1973-12-01

10.1016/0029-554x(63)90282-9 article EN Nuclear Instruments and Methods 1963-07-01

In the absence of any precise theoretical treatment ionization loss heavy charged particles at low energies, Bethe's original formula has been modified empirically by introducing a multiplying factor F = (Zeff/Z) {E2/(E2 - E02)} which removes zero logarithm 2mv2/I=1 and passes to unity high energy. The gives results showing reasonably good agreement with experimental data Madsen Warshaw on protons in Al, Cu, Ag Au down approximately 50 keV smoothly medium energies. A range-energy relation...

10.1088/0370-1298/69/12/302 article EN Proceedings of the Physical Society Section A 1956-12-01
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