A. Bhattacharya

ORCID: 0000-0003-0675-7883
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About
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Research Areas
  • Quantum Chromodynamics and Particle Interactions
  • High-Energy Particle Collisions Research
  • Particle physics theoretical and experimental studies
  • Particle Detector Development and Performance
  • Nuclear physics research studies
  • Cold Atom Physics and Bose-Einstein Condensates
  • Black Holes and Theoretical Physics
  • Cosmology and Gravitation Theories
  • Theoretical and Computational Physics
  • Radiation Detection and Scintillator Technologies
  • Statistical Mechanics and Entropy
  • Scientific Research and Discoveries
  • Atomic and Subatomic Physics Research
  • Pulsars and Gravitational Waves Research
  • High-pressure geophysics and materials
  • Advanced Mathematical Theories and Applications
  • Quantum, superfluid, helium dynamics
  • Dark Matter and Cosmic Phenomena
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Physics of Superconductivity and Magnetism
  • Superconducting Materials and Applications
  • CCD and CMOS Imaging Sensors
  • Quantum and Classical Electrodynamics
  • Marine and environmental studies
  • Spectral Theory in Mathematical Physics

Adamas University
2020-2024

St. Xavier's College (Autonomous)
2024

St Xavier’s College
2024

Jadavpur University
2011-2020

CEA Paris-Saclay - Etablissement de Saclay
2020

CEA Paris-Saclay
2020

Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2020

Geological Survey of India
2012

Maulana Abul Kalam Azad Institute of Asian Studies
2009

Stockholm University
2006

10.1134/s1547477117040100 article EN Physics of Particles and Nuclei Letters 2017-06-30

The binding energies of di- hadronic states have been calculated assuming a 'molecular' interaction provided by the asymptotic expression residual confined gluon exchange potential between component hadrons in system. Meson- meson and meson- baryon studied detail mass formula has used to calculate total 'molecules'.

10.1088/0031-8949/79/02/025103 article EN Physica Scripta 2009-02-01

The strange contribution to the proton magnetic moment is investigated assuming a uuds$\overline{s}$ configuration for in context of quasiparticle diquark model. and mass octet pentaquark baryons are also considering diquark-diquark-antiquark scheme. results found be agreement with existing theoretical experimental predictions.

10.1103/physrevc.81.015202 article EN Physical Review C 2010-01-11

10.1007/s10773-017-3386-7 article EN International Journal of Theoretical Physics 2017-04-27

The Fermi momentum P f for the B c meson has been estimated in framework of statistical model. matrix element |V cb | extracted from lepton energy spectrum using value momentum, ACCMM as =1.14 GeV which is somewhat large compared to existing estimates.

10.1142/s0217751x00000835 article EN International Journal of Modern Physics A 2000-06-10

Using the analogy of a well-known mathematical formalism, an analytical form probability density hadron as quarkonium system has been suggested which corresponds to that obtained from statistical model. The aforesaid prescription also offers necessary framework incorporate different orders approximations in it. Unlike all existing theoretical approaches, model reveals fractal characteristics hadron, like dimension D F , correlation C and anomalous A . direct physical bearings these...

10.1142/s0217751x01002956 article EN International Journal of Modern Physics A 2001-01-20

The free energy analyzed in the framework of quantum field theory conjunction with statistical model for a [Formula: see text] meson is found to undergo an expansion condensate wave function. superconducting and fractal properties are originate from branch-cut type singularity function which gauge symmetry breaking manifest.

10.1142/s0217751x02011515 article EN International Journal of Modern Physics A 2002-12-20

10.1016/j.nuclphysbps.2005.01.002 article EN Nuclear Physics B - Proceedings Supplements 2005-02-21

10.1007/s10773-008-9684-3 article EN International Journal of Theoretical Physics 2008-02-05

In the framework of quasiparticle approach, ground state mass heavy pentaquarks have been investigated in diquark–diquark–antiquark picture and higher states are loaded flux tube model where two light diquarks supposed to be linked by a quark. The Regge trajectories for studied. slope (α) these particles obtained as ≈1 GeV 2 which indicates that trajectory follows linearity conditions with universal value α (~ 1 ). doubly charm bottom baryons like [Formula: see text] also approach. results...

10.1142/s021773231250006x article EN Modern Physics Letters A 2012-01-06

The masses of the recently reported by LHCb two pentaquark charmonium states Pc* (4380) and (4450) which are suggested to possess configuration () have been estimated considering a dihadronic state consisting meson baryon (uud). binding energies with van der Walls type molecular interaction between hadrons. A spin has also considered. Masses these well reproduced aforesaid indicates that multiquarks can be described as meson-baryon bound states.

10.4236/jmp.2015.614213 article EN Journal of Modern Physics 2015-01-01

10.1140/epjp/i2017-11536-3 article EN The European Physical Journal Plus 2017-06-01

It is well known that the human being a complex system made up of cells, tissues, organs and organ systems function together to maintain health. The coordinated physiological processes most steady states in an organism, not at fixed value, but within narrow, relatively constant range, as homeostasis. Recently, non-invasive measurement biopotentials has been proposed order provide information about condition whole. In present work, signal conditioning circuit developed enhance level measured...

10.1109/icsenst.2012.6461786 article EN 2012-12-01

Recently CERN has discovered three new exotic particles in LHCb. The particle are $T_{cso}$ $(2900)^{++}$, a doubly charged tetraquark with quark configuration (csu$\overline{d}$), $(2900)^{0}$, neutral (cds$\overline{u}$) and pentaquark $P_{\psi s}$ $(4338)^{0}$ (c$\overline{c}$ uds) which is first observed strange its configuration. discovery of these subatomic exciting the nature interaction constituent quarks need to be understood for multiquark states. Diquark one most important...

10.22323/1.456.0166 article EN cc-by-nc-nd 2024-07-30
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