Ramanath Cowsik
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Indian astrophysicist
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Physics
Ramanath Cowsik's Degrees
- PhD Physics Delhi University
Why Is Ramanath Cowsik Influential?
(Suggest an Edit or Addition)According to Wikipedia, Ramanath Cowsik is an Indian astrophysicist and the James S. McDonnell Professor of Space Sciences at Washington University in St. Louis. He is considered by many as the father of astroparticle physics. A recipient of the Shanti Swarup Bhatnagar Prize, Cowsik was honored by the Government of India, in 2002, with the fourth highest Indian civilian award of Padma Shri
Ramanath Cowsik's Published Works
Published Works
- An upper limit on the neutrino rest mass (1972) (297)
- Constraints on Stellar Grain Formation from Presolar Graphite in the Murchison Meteorite (1996) (232)
- Origins of cosmic rays (1971) (174)
- Neutron-Antineutron Oscillations: Theoretical Status and Experimental Prospects (2014) (141)
- Gravity of neutrinos of nonzero mass in astrophysics (1973) (85)
- On the Fibres of Blowing Up (1976) (74)
- Neutrino mass limits from a precise determination of beta beta -decay rates of 128Te and 130Te. (1992) (71)
- THE ORIGIN OF THE SPECTRAL INTENSITIES OF COSMIC-RAY POSITRONS (2013) (56)
- Limits on the Radiative Decay of Neutrinos (1977) (50)
- Precise determination of relative and absolute beta beta -decay rates of 128Te and 130Te. (1993) (50)
- Affine curves in characteristicp are set theoretic complete intersections (1978) (48)
- The Evolution of Supernova Remnants as Radio Sources (1984) (48)
- Superluminal neutrinos at OPERA confront pion decay kinematics. (2011) (47)
- Steady State of Cosmic-Ray Nuclei-Their Spectral Shape and Path Length at Low Energies (1967) (45)
- Constraints on Grain Formation around Carbon Stars from Laboratory Studies of Presolar Graphite (2005) (43)
- Working Group Report: Baryon Number Violation (2013) (43)
- IS THERE AN UNACCOUNTED FOR EXCESS IN THE EXTRAGALACTIC COSMIC RADIO BACKGROUND? (2013) (42)
- Baryon Number Violation (2013) (40)
- Project X: Physics Opportunities (2013) (39)
- X-ray polarimetry with the Polarization Spectroscopic Telescope Array (PolSTAR) (2015) (39)
- Comment on Inverse Compton Models for the Isotropic X-Ray Back-Ground and Possible Thermal Emission from a Hot Intergalactic Gas (1972) (36)
- SPECTRAL INTENSITIES OF ANTIPROTONS AND THE NESTED LEAKY-BOX MODEL FOR COSMIC RAYS IN THE GALAXY (2015) (33)
- Design and Performance of the X-ray polarimeter X-Calibur (2014) (32)
- A lower limit to the magnetic field in Cassiopeia-A (1980) (31)
- Direct detection of WIMPs: implications of a self-consistent truncated isothermal model of the Milky Way's dark matter halo (2010) (30)
- Positron fraction in cosmic rays and models of cosmic-ray propagation (2010) (30)
- Evaluation of high energy natural neutrino experiments (1966) (30)
- Some constraints on ΔB = 2 n−n oscillations (1981) (28)
- On the sources of cosmic ray electrons (1979) (28)
- Solar flares, the lunar surface, and gas rich meteorites (1972) (26)
- Non-solar gamma-rays (1980) (24)
- Galactic Age Estimates from O-rich Stardust in Meteorites (1997) (24)
- Comments on stochastic acceleration of cosmic rays (1980) (23)
- Neutron-Antineutron Oscillations: A Snowmass 2013 White Paper (2013) (22)
- Possible Origin of High-Energy Cosmic Gamma Rays? (1969) (22)
- Performance Characteristics of a Rotational Seismometer for Near-Field and Engineering Applications (2009) (22)
- Conditions in stellar outflows inferred from laboratory studies of presolar grains (1997) (21)
- When isf(x,y) = u(x) + v(y)? (1999) (20)
- Comment on M. Aguilar et. al. AMS Collaboration, Phys. Rev. Lett. 100, 141102 (2013) (2013) (20)
- Enhanced emission of iron nuclei in solar flares (1971) (20)
- Short-period intensity oscillations in the solar corona observed during the total solar eclipse of 26 February 1998 (1999) (18)
- Limit on the strength of intermediate-range forces coupling to isospin. (1988) (18)
- The afterglow and the host galaxy of GRB 011211 (2003) (17)
- 3°k blackbody radiation and leakage lifetime of cosmic-ray electrons (1966) (16)
- ESR study of copper diethyldithiophosphate (1973) (16)
- ESR study of coupled pairs of molecules in copper diethyldithiocarbamate (1971) (16)
- Neutrino masses and flavors emitted in the supernova SN1987A. (1988) (15)
- Strength of intermediate-range forces coupling to isospin. (1990) (15)
- Design and tests of the hard X-ray polarimeter X-Calibur (2011) (14)
- INTERNAL DYNAMICS AND DYNAMICAL FRICTION EFFECTS IN THE DWARF SPHEROIDAL GALAXY IN FORNAX (2009) (14)
- Turbulence-enhanced synchrotron radiation in the Galaxy (1974) (14)
- Ionization states of cosmic rays:Anuradha (IONS) experiment in Spacelab-3 (1986) (13)
- A Model for the Accumulation of Solar Wind Radiation Damage Effects in Lunar Dust Grains (1982) (13)
- PROPERTIES OF GALACTIC DARK MATTER: CONSTRAINTS FROM ASTRONOMICAL OBSERVATIONS (2013) (13)
- Design and performance of a sub-nanoradian resolution autocollimating optical lever. (2006) (12)
- Search for dark-matter particles (1991) (11)
- Simple analytic solutions appropriate for galactic cosmic-ray modulation. (1977) (11)
- ESR study of exchange coupled pairs in copper diethyldithiocarbamate (1973) (11)
- Dispersion velocity of galactic dark matter particles. (1996) (11)
- Experimental limits on a possible neutrino degeneracy in the universe (1964) (11)
- Transport of neutrinos, radiation and energetic particles in accretion flows (1982) (10)
- Evolution of the radio spectrum of Cassiopeia A (1979) (10)
- On the isotopic composition of primary cosmic ray nuclei (1970) (9)
- Dynamics of dwarf-spheroidals and the dark matter halo of the Galaxy (2007) (9)
- Existing and Potential Limits to Lifetimes of Massive Neutrinos (1981) (9)
- Is the residence time of the cosmic rays in the Galaxy energy-dependent (1973) (9)
- The Nested Leaky Box Model for Galactic Cosmic Rays (1975) (9)
- Positrons and Antiprotons in Galactic Cosmic Rays (2016) (9)
- Testing Violations of Lorentz Invariance with Cosmic-Rays (2012) (9)
- A short note on the Schur-Jacobson theorem (1993) (8)
- The Implications of Gamma-Ray Lines Observed from the Orion Complex (1995) (8)
- A remark on infinite cyclic covers (1977) (8)
- On the Positron Fraction and the Spectrum of the Electronic Component in Cosmic Rays (2009) (8)
- Sporadic acceleration of cosmic rays (1986) (8)
- An instrument for direct observations of seismic and normal-mode rotational oscillations of the Earth (2007) (7)
- Dark matter in the universe - Massive neutrinos revisited (1987) (7)
- First flight of the X-ray polarimeter X-Calibur (2015) (7)
- Torsion balance experiments for the measurement of weak forces in nature (1989) (7)
- Early Observations of the Afterglow of GRB 000301c (2000) (7)
- An introduction to the Indian Astronomical Observatory, Hanle (2002) (7)
- A bound on violations of Lorentz invariance (1998) (7)
- Pointing of HAGAR telescope mirrors (2013) (6)
- Ehrhart Theory for Lattice Polytopes (2007) (5)
- The steady state of the primary and secondary components of cosmic rays (1968) (5)
- The Black Hole Evolution and Space Time (BEST) Observatory (2012) (5)
- Oblateness effects on the spindown of fast pulsars (1983) (5)
- Observations with the High Altitude GAmma-Ray (HAGAR) telescope array in the Indian Himalayas (2011) (4)
- Lower bound on e+e− decay of massive neutrinos☆ (1989) (4)
- Compton Gamma-Rays from the Galactic Disc (1974) (4)
- On Cohen-Macaulay rings (1976) (4)
- Optical photometry of the GRB 010222 afterglow (2001) (4)
- The hard x-ray polarimeter X-Calibur (2012) (4)
- Dark matter-systematics of its distribution (1986) (3)
- The Fifth Force Experiment at the TIFR (1988) (3)
- Status of HAGAR, the high altitude gamma ray observatory at Hanle (2005) (3)
- Dynamical effects of an extended cloud of dark matter on dwarf spheroidals (1986) (3)
- The neutrino hypothesis for dark matter in dwarf spheroidals (1986) (3)
- ESR investigation of copper(II) bis-diethyldithiophosphate in single crystals (1972) (3)
- Analysis of the Positron Fraction and the Spectrum of the Electronic Component in Cosmic Rays (2009) (3)
- Neutral pion production by 17 GeV negative pions in carbon (1963) (3)
- Towards a physical model for galactic rotation curves (1986) (2)
- GALACTIC X RAYS AND GAMMA RAYS. (1969) (2)
- A possible high altitude high energy gamma ray observatory in India (2001) (2)
- Observation of Crab Nebula with the HAGAR telescope system at Hanle in the Himalayas (2009) (2)
- Lower limit on the lifetime of nucleons (1980) (2)
- Radiative stability of neutrinos of finite rest mass (1979) (2)
- Gamma-ray source observations with the HAGAR telescope system at Hanle in the Himalayas (2009) (2)
- A search for a consistent model for the electromagnetic spectrum of the Crab nebula (1970) (2)
- Design and tests of the hard x-ray polarimeter X-Calibur (2011) (2)
- Analysis of the Spectral Intensities and Ratios of Electrons an d Positrons in Cosmic Rays (2009) (2)
- On galactic rotation and the intergalactic medium. (1975) (2)
- Limit on the energy density in the submillimetre background radiation. (1972) (2)
- Characteristics and Response of a Rotational Seismometer to Seismic Signals (2012) (2)
- Observation of Geminga and Crab pulsars using HAGAR telescope systems (2009) (1)
- Thermodynamics and orientational order in systems of extended gravitating objects: A mean-field theory approach. I. Basic formalism (1989) (1)
- Thermodynamics and orientational order in systems of extended gravitating objects. II: Tidal distortions and the interaction pseudopotential (1989) (1)
- Test of Einstein's Equivalence Principle by Galactic Dark Matter (2018) (1)
- Indian cosmic ray experiment ions (Anuradha) in space shuttle spacelab-3 using CR-39 detectors (1986) (1)
- Dark Matter Halo of Our Galaxy (2001) (1)
- Comet shoemaker-Levy 9 collision with Jupiter: Pre- and post-crash observations by IIA (1994) (1)
- A Brief Introduction to the Study of Afterglows of Gamma Ray Bursts (2001) (1)
- M. G. K. Menon (1928–2016) (2017) (1)
- Test of Einstein's Equivalence Principle with a Long-Period Torsion Balance (2018) (1)
- MAGNET SPECTROGRAPH FOR PRIMARY COSMIC-RAY STUDIES. (1970) (1)
- Cosmic Ray Bounds on Violation of Lorentz Invariance (1999) (1)
- The Astrophysics of the Diffuse Background of X-rays and Gamma Rays (1973) (1)
- On the Origin of the Diffuse X-Ray Background (1989) (1)
- Cowsik et al. Reply (1997) (1)
- Tidal effects on a satellite galaxy influenced by a massive perturber (2000) (1)
- Limits on the strength of the fifth force (1989) (1)
- Properties of air showers and the nature of the primary cosmic-ray spectrum (1968) (1)
- General approach to Casimir force problems based on local reflection amplitudes and Huygens’ principle (2012) (1)
- Data analysis method for the search of point sources of gamma rays with the HAGAR telescope array (2012) (1)
- On the Positron Fraction and Cosmic-Ray Propagation Models (2010) (1)
- Non-Accelerator Particle Physics: Proceedings of the International Conference (1995) (0)
- Evidence for the Dominence of Heavy Nuclei in Cosmic Rays at 10(5) GEV (1981) (0)
- Observing the GRB remnants (2004) (0)
- Dispersion velocity of galactic dark matter particles - Reply (1997) (0)
- Narrow band photometry in emission lines during the solar eclipse of October 24, 1995. (1997) (0)
- Energetic Photon Spectra as Probes of the Process of Particle Acceleration in Accretion Flows Around Black Holes (1999) (0)
- NEUTRINOS OF FINITE REST MASS IN ASTROPHYSICS AND COSMOLOGY. (1981) (0)
- A possible laboratory test for the axions (2011) (0)
- Drive Control and Pointing of HAGAR Telescopes (2012) (0)
- A Minimal Model for Understanding Secondary Cosmic Rays (2022) (0)
- $G^{\epsilon\epsilon}$ Lab's Equivalence Principle Experiment (2019) (0)
- On a question of M. Hochster (1973) (0)
- The fifth force experiment at the TIFR (Tata Institute of Fundamental Research). (1988) (0)
- What's old and what's new about neutrinos (1998) (0)
- Theoretical Motivations for Polarization Studies in X-ray Astronomy & the Status of X-Calibur (2012) (0)
- PROPAGATION STUDIES RELATED TO THE ORIGIN OF COSMIC RAYS (1981) (0)
- Development of a Torsion Balance Experiment to Investigate Gravitation at the Sub-Millimeter Range (2016) (0)
- Status of the Himalayan Gamma-Ray Observatory (HIGRO) and observation with HAGAR at very high energies (2011) (0)
- Embedding of galactic systems in extended neutrino clouds (1985) (0)
- Cosmic-ray Tests of Lorentz Invariance Violations (2012) (0)
- MEASUREMENT OF THE CASIMIR FORCE IN THE RANGE ABOVE 5 MICRONS AND DETECTION OF THE FINITE TEMPERATURE EFFECT (2008) (0)
- Professor MGK Menon: In Memoriam (2017) (0)
- Evidence bearing on the interaction of gas and high-energy particles in quasi-stellar objects. (1977) (0)
- Characteristics of plerions powered by pulsars. (1989) (0)
- Constraints on Stellar Grain Formation from Circumstellar Graphite in the Murchison Meteorite (1996) (0)
- Gεε lab's equivalence principle experiment (2019) (0)
- Erratum: General approach to Casimir force problems based on local reflection amplitudes and Huygens' principle [Phys. Rev. A 85, 052516 (2012)] (2013) (0)
- Cosmic Ray Electrons and Galactic Nonthermal Radio Emission (1979) (0)
- Indian Institute of Astrophysics Annual Report: 1999-2000 (2000) (0)
- 126Xe from 126Te as a Test of the Standard Solar Model (1992) (0)
- Push for non-accelerator particle physics (1991) (0)
- COSMIC RAY ELECTRONS AND THE GAMMA-RAY BACKGROUND. (1971) (0)
- Origin of the proper motion and spin of pulsars (1998) (0)
- Status of HAGAR telescope array at Hanle in the Himalayas (2009) (0)
- SPECTRA OF HEAVY AND SUPERHEAVY NUCLEI IN STEADY STATE. (1970) (0)
- Towards new analysis of Gamma-Ray sources at HImalayan Gamma-Ray Observatory (HIGRO) in northern India (2010) (0)
- Study of Composition and Energy Spectra of Cosmic Ray Ions of Z = 6 - 28 of E ̃ 1 - 100 TeV/n in Space Station (1985) (0)
- Constriction of cosmological bounds on neutrino masses by flavor mixing decays (1985) (0)
- IONS: Ionization States of Low-energy Cosmic Rays (1985) (0)
- Wide-field high-resolution 327 MHz radio observations of X-ray globular cluster fields (1989) (0)
- A new torsion balance for the search of long-range interactions coupling to baryon and lepton numbers (2021) (0)
- Search for hydrogen-alpha emitting cool pockets in corona during the total solar eclipse of October 24, 1995. (1997) (0)
- Transport of radiation & energetric particles in accretion flows (1986) (0)
- High altitude gamma ray observatory at Hanle (2003) (0)
- Galactic gamma rays and the origin of cosmic rays (1980) (0)
- Mambillikalathil Govind Kumar Menon. 28 August 1928—22 November 2016 (2021) (0)
- Cosmological Considerations Relevant to the Origin of Consciousness (2014) (0)
- X-Ray Polarimetry: Hard X-ray polarimeter for small-satellite missions (2010) (0)
- Cosmological Considerations Relevant to the Origin of Consciousness (2014) (0)
- A lower limit on the mass of the weak intermediate boson (1970) (0)
- Halo of NGC 4631 and models of cosmic-ray transport (1985) (0)
- Comment on M . Aguilar et (2021) (0)
- A balloon-borne X-ray polarimeter for the study of bright astronomical sources (2008) (0)
- PROGRESS REPORT ON THE TIFR EQUIVALENCE PRINCIPLE EXPERIMENT (2002) (0)
- Development of technology for vacuum ultraviolet plane grating monochromator to be used with XUV synchrotron source of INDUS I (1997) (0)
- Optical observations of GRB000131. (2000) (0)
- Spectral Intensities of Antiprotons and the lifetime of Cosmic Rays in the Galaxy (2016) (0)
- The X-ray scattering polarimeter X-Calibur (2014) (0)
- IONS (ANURADHA): Ionization states of low energy cosmic rays (1987) (0)
- Graded Gorenstein Rings (1975) (0)
- Supernovae and the Origin of Cosmic Rays. (Abstract) (1973) (0)
- CCD imaging of gamma ray burster fields (1998) (0)
- Comment on Inverse Compton Models for the Isotropic X-Ray Background. (1971) (0)
- Indian Institute of Astrophysics Annual Report: 2002-03 (2002) (0)
- Cosmic Ray Sources (1975) (0)
- Origi n of theSpeed and Spin of Pulsars (1999) (0)
- 13 Baryon Number Violation Conveners : (2013) (0)
- PARTICLE ACCELERATION BY WHITE DWARFS AND THE CHARGE SPECTRUM OF THE NUCLEAR COMPONENT OF COSMIC RAYS. (1971) (0)
- Gravitational lenses as probes of the distribution of dark matter in the universe. (1986) (0)
- On tensor decomposition of algebras (1977) (0)
- High Altitude Gamma-ray Observatory at Hanle 1 High Altitude γ-ray Observatory at Hanle ( HAGAR ) (2002) (0)
- Radio Ranging Techniques to test Relativistic Gravitation (1999) (0)
- Design and optimization of X-Ray polarimeter detector using finite element method (2011) (0)
- Gravitational breakdown (1993) (0)
- High energy nuclear active and muonoic components in extensive air showers. (1965) (0)
- Non-solar gamma-rays : proceedings of a symposium of the twenty-second plenary meeting of COSPAR, Bangalore, India, 29 May to 9 June 1979 (1980) (0)
- Response of Robust Torsion Balances to Teleseismic Events (2009) (0)
- Experimental studies of gravitation and feebler forces (1993) (0)
- On the Origin of the Gamma-Ray Bursts (1974) (0)
- Exact solutions for sporadic acceleration of cosmic rays (1985) (0)
- A new torsion balance for direct tests of the Universality of Free Fall. (2008) (0)
- Torsion Balance Test of Einstein's Equivalence Principle (2016) (0)
- DYNAMICAL MODELS OF THE GALAXY AND ITS GAMMA RAY EMISSION. (1971) (0)
- Detection of short period intensity oscillations in the solar corona observed during the total solar eclipse of august 11, 1999 (2005) (0)
- Implications of γ-Ray Lines Observed From the Orion Complex. II (1995) (0)
- Reply to Comment on ``Dispersion Velocity of Galactic Dark Matter Particles'' by Evans (astro-ph/9606155) (1996) (0)
- Nature of Galactic Cosmic Ray Sources (Abstract) (1977) (0)
- Reply to Comment on ``Dispersion Velocity of Galactic Dark Matter Particles'' by Gates et al (astro-ph/9606132) (1996) (0)
- On the Galactic Radio Halo. (Abstract) (1971) (0)
- On the positron fraction and models of cosmic ray propagation (2010) (0)
- Photography of solar corona using Indian Air Force aeroplane. (1997) (0)
- AN ESR STUDY OF COVALENT BINDING IN COPPER DIETHYLDISELENOCARBAMATE (2013) (0)
- Rigidity spectrum of cosmic ray helium nuclei with magnetic spectrograph (1970) (0)
- SUB-MILLIMETER NIGHTSKY RADIATION BACKGROUND AND ITS OBSERVABLE CONSEQUENCES ON COSMIC-RAY PHENOMENA. (1970) (0)
- Experimental Search for a Violation of Einstein's Equivalence Principle (2015) (0)
- Professor MGK Menon: In Memoriam (2017) (0)
- The Hard X-ray Polarimeter X-Calibur - Design and Tests (2011) (0)
- VHE gamma-ray astronomy in India: Status of HIGRO and participation in CTA (2012) (0)
- International Conference on Non-accelerator Particle Physics, Indian Institute of Astrophysics, Bangalore, India, 2-9 January 1994 (1995) (0)
- Indian Institute of Astrophysics Annual Report: 1994-95 (1995) (0)
- Geometry of inverse Compton gamma ray sources. (1975) (0)
- P o S ( I C R C 2 0 1 5 ) 5 4 8 Spectral Intensities of Antiprotons and the Lifetime Of Cosmic Rays (2015) (0)
- Pointing of HAGAR telescope mirrors (2012) (0)
- Gamma ray emission from supernova remnants (1980) (0)
- Structure of Galaxies Embedded in Clouds of Dark Matter (1988) (0)
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