101 Gammaray PPTs View free & download

GammaRay Bursts PowerPoint PPT Presentation

GammaRay Bursts - May 23, 1969 into high earth ... The Vela 5 satellites functioned from July, 1969 to April, 1979 ... bright flash of gamma-rays lasting typically about 20 ...

May 23, 1969 into high earth ... The Vela 5 satellites functioned from July, 1969 to April, 1979 ... bright flash of gamma-rays lasting typically about 20 ...

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GammaRay Bursts - The Vela 5 satellites functioned from July, 1969 to April, 1979 ... March 3, 1997 (fainter by 20) Groot, Galama, von Paradijs, et al IAUC 6584, March 12, 1997 ...

The Vela 5 satellites functioned from July, 1969 to April, 1979 ... March 3, 1997 (fainter by 20) Groot, Galama, von Paradijs, et al IAUC 6584, March 12, 1997 ...

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gammaray.msfc.nasa.gov/GBM - gammaray.msfc.nasa.gov/GBM

gammaray.msfc.nasa.gov/GBM

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Gammaray Polarimetry Astrophysics Application - Gammaray Polarimetry Astrophysics Application

Gammaray Polarimetry Astrophysics Application

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Geant4 for gammaray spectrometry PowerPoint PPT Presentation

Geant4 for gammaray spectrometry - An utopia of a Geant4 user. Summary and some acknowledgements ... Airworthiness above all. Vibration attenuation. Temperature control. Modularity. Easy installation ...

An utopia of a Geant4 user. Summary and some acknowledgements ... Airworthiness above all. Vibration attenuation. Temperature control. Modularity. Easy installation ...

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GammaRay Astrophysics - GammaRay Astrophysics

GammaRay Astrophysics

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GammaRay Burst Polarization PowerPoint PPT Presentation

GammaRay Burst Polarization - Bing Zhang (Nevada U), Taka Sakamoto (NASA), POET team ... by macroscopic inhomogeneity (e.g., vorticity), it is coherent on large scales. ...

Bing Zhang (Nevada U), Taka Sakamoto (NASA), POET team ... by macroscopic inhomogeneity (e.g., vorticity), it is coherent on large scales. ...

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gammaray decay PowerPoint PPT Presentation

gammaray decay - Classical dipole radiator. time-dependent charge distributions ... Power radiated by classical radiator of multipolarity (2 1)!! = 1 x 3 x 5 x 7 ...

Classical dipole radiator. time-dependent charge distributions ... Power radiated by classical radiator of multipolarity (2 1)!! = 1 x 3 x 5 x 7 ...

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Gammaray astronomy at - Gammaray astronomy at

Gammaray astronomy at

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An Overview of GammaRay Optics PowerPoint PPT Presentation

An Overview of GammaRay Optics - ... perfect (single crystal) then the atoms are arranged in a well defined fashion. ... Electric field is near zero at the atomic sites. ...

... perfect (single crystal) then the atoms are arranged in a well defined fashion. ... Electric field is near zero at the atomic sites. ...

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Underground Gammaray Spectrometry in HADES PowerPoint PPT Presentation

Underground Gammaray Spectrometry in HADES - Mikael Hult (S), Group leader low-level measurements, co-ordinator of CELLAR, ... CELLAR-actions. Setting up of a programme (in close. contact with ICRM LLWG) ...

Mikael Hult (S), Group leader low-level measurements, co-ordinator of CELLAR, ... CELLAR-actions. Setting up of a programme (in close. contact with ICRM LLWG) ...

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GammaRay Spectroscopy of 120Ba PowerPoint PPT Presentation

GammaRay Spectroscopy of 120Ba - University of the West of Scotland. Paisley Campus. Contents. Physics motivation ... of Engineering and Science, University of the West Scotland, Paisley PA1 2BE, UK ...

University of the West of Scotland. Paisley Campus. Contents. Physics motivation ... of Engineering and Science, University of the West Scotland, Paisley PA1 2BE, UK ...

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Understanding The Mechanisms Behind GammaRay Bursts PowerPoint PPT Presentation

Understanding The Mechanisms Behind GammaRay Bursts - ... GRB models. Lecture 5: Black Hole Accretion Disk Models. Black Hole ... Future models and future observational missions. GRBs The Historical Perspective ...

... GRB models. Lecture 5: Black Hole Accretion Disk Models. Black Hole ... Future models and future observational missions. GRBs The Historical Perspective ...

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Central Engines of GammaRay Bursts PowerPoint PPT Presentation

Central Engines of GammaRay Bursts - Energy index of ultra-relativistic electrons is also a free variable. p=2.2 is favored by theory ... ROTSE, TAROT, BOOTES, REM, NGAT... Rapid Response by ...

Energy index of ultra-relativistic electrons is also a free variable. p=2.2 is favored by theory ... ROTSE, TAROT, BOOTES, REM, NGAT... Rapid Response by ...

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Groundbased GammaRay Astronomy PowerPoint PPT Presentation

Groundbased GammaRay Astronomy - Several arrays of ground-based detectors achieve a sensitivity 1/100 of the flux ... view ~ 1 steradian) MILAGRO (LosAlamos, USA), Tibet ARGO (Yang Ba Jing, Tibet) ...

Several arrays of ground-based detectors achieve a sensitivity 1/100 of the flux ... view ~ 1 steradian) MILAGRO (LosAlamos, USA), Tibet ARGO (Yang Ba Jing, Tibet) ...

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Signal from GammaRay Bursts PowerPoint PPT Presentation

Signal from GammaRay Bursts - The Auto Correlation Function. Wavelet analysis. Power Density Spectra. Interpreting ... Quantify intrinsic delay, the 'pulse paradigm' can hide the QG effect ! ...

The Auto Correlation Function. Wavelet analysis. Power Density Spectra. Interpreting ... Quantify intrinsic delay, the 'pulse paradigm' can hide the QG effect ! ...

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Prompt GammaRay Imaging by GEANT4 PowerPoint PPT Presentation

Prompt GammaRay Imaging by GEANT4 - Introduction to Prompt Gamma-Ray Imaging. Introduction to Geant4. PGI Simulation by Geant4 ... 370kev prompt gamma-ray from Hg. 6Mev prompt gamma rays from Hg ...

Introduction to Prompt Gamma-Ray Imaging. Introduction to Geant4. PGI Simulation by Geant4 ... 370kev prompt gamma-ray from Hg. 6Mev prompt gamma rays from Hg ...

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Next generation hypernuclear gammaray spectrometer: HyperballJ PowerPoint PPT Presentation

Next generation hypernuclear gammaray spectrometer: HyperballJ - Fuji Pulse Tube refrigerator OFF. ShapAmp ORTEC 671 6 micro, pole zeroed. FWHM=1.8keV @1.33MeV ... Joint R&D by Tohoku, KEK, Fuji Elect. Sys. ...

Fuji Pulse Tube refrigerator OFF. ShapAmp ORTEC 671 6 micro, pole zeroed. FWHM=1.8keV @1.33MeV ... Joint R&D by Tohoku, KEK, Fuji Elect. Sys. ...

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The Collapsar Model for GammaRay Bursts PowerPoint PPT Presentation

The Collapsar Model for GammaRay Bursts - Harvard CfA Meeting on GRBs, May 21, 2002. Requirements on the Central Engine ... The Jet-Star. Interaction. Relativistic Jet Propagation Through the Star ...

Harvard CfA Meeting on GRBs, May 21, 2002. Requirements on the Central Engine ... The Jet-Star. Interaction. Relativistic Jet Propagation Through the Star ...

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AFRODITE : Gammaray Goddess of the Fairest Cape - AFRODITE : Gammaray Goddess of the Fairest Cape

AFRODITE : Gammaray Goddess of the Fairest Cape

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Gammaray spectroscopy of hypernuclei at JPARC - Gammaray spectroscopy of hypernuclei at JPARC

Gammaray spectroscopy of hypernuclei at JPARC

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EELT and Gammaray bursts - EELT and Gammaray bursts

EELT and Gammaray bursts

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GammaRay Bursts as seen by FGST PowerPoint PPT Presentation

GammaRay Bursts as seen by FGST - as seen by FGST. Nicola Omodei, INFN Pisa. for the Fermi Collaboration ... Isotropy, Uniformity, and Bimodality. Some hint at high energy (EGRET) COUNTERPARTS! ...

as seen by FGST. Nicola Omodei, INFN Pisa. for the Fermi Collaboration ... Isotropy, Uniformity, and Bimodality. Some hint at high energy (EGRET) COUNTERPARTS! ...

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Fermi GAMMARAY SPACE TELESCOPE: From Launch to First Light PowerPoint PPT Presentation

Fermi GAMMARAY SPACE TELESCOPE: From Launch to First Light - Enrico Fermi (1901-1954) was an Italian physicist who immigrated to ... starburst galaxies. galaxy clusters. measure EBL. unIDs. Dark Matter. neutralino lines ...

Enrico Fermi (1901-1954) was an Italian physicist who immigrated to ... starburst galaxies. galaxy clusters. measure EBL. unIDs. Dark Matter. neutralino lines ...

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Quasars, Active Galaxies, and GammaRay Bursters PowerPoint PPT Presentation

Quasars, Active Galaxies, and GammaRay Bursters - How did astronomers discover that they are extraordinarily distant and luminous? ... be very luminous, typically about 1000 times brighter than an ordinary galaxy ...

How did astronomers discover that they are extraordinarily distant and luminous? ... be very luminous, typically about 1000 times brighter than an ordinary galaxy ...

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Gammaray tracking part III PowerPoint PPT Presentation

Gammaray tracking part III - Probability for Compton or photoelectric interaction and for travelling a given ... Does the interaction point satisfy the photoelectric conditions ? ...

Probability for Compton or photoelectric interaction and for travelling a given ... Does the interaction point satisfy the photoelectric conditions ? ...

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Development of Monte Carlo code for Coincidence Prompt Gammaray Neutron Activation Analysis PowerPoint PPT Presentation

Development of Monte Carlo code for Coincidence Prompt Gammaray Neutron Activation Analysis - ... Carlo code for Coincidence Prompt Gamma-ray Neutron Activation Analysis ... Library spectrum (natural background, NaI activation) CEARPGA II. Interpolation ...

... Carlo code for Coincidence Prompt Gamma-ray Neutron Activation Analysis ... Library spectrum (natural background, NaI activation) CEARPGA II. Interpolation ...

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Prompt GammaRay Imaging Using the GEANT4 Code PowerPoint PPT Presentation

Prompt GammaRay Imaging Using the GEANT4 Code - Prompt Gamma-Ray Imaging Using the GEANT4 Code. Libai Xu and Robin Gardner ... yields are 1.4 X 1010 (B) and 5.9 X 1010 (Gd) compared to 2.2 X 1010 for SPECT ...

Prompt Gamma-Ray Imaging Using the GEANT4 Code. Libai Xu and Robin Gardner ... yields are 1.4 X 1010 (B) and 5.9 X 1010 (Gd) compared to 2.2 X 1010 for SPECT ...

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HIGH ENERGY GAMMARAY SPECTROMETER NATALYA2 FOR SATELLITE MISSION CORONASPHOTON PowerPoint PPT Presentation

HIGH ENERGY GAMMARAY SPECTROMETER NATALYA2 FOR SATELLITE MISSION CORONASPHOTON - HIGH ENERGY GAMMA-RAY SPECTROMETER NATALYA-2?. FOR ... Roentgen and gamma - radiation. R (Roentgen) 0,3-2. 920. 10% (662 ?eV) measured. 1 s. L (Low gamma) ...

HIGH ENERGY GAMMA-RAY SPECTROMETER NATALYA-2?. FOR ... Roentgen and gamma - radiation. R (Roentgen) 0,3-2. 920. 10% (662 ?eV) measured. 1 s. L (Low gamma) ...

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HIGH ENERGY ASTROPHYSICS Gammaray Bursts GRBs PowerPoint PPT Presentation

HIGH ENERGY ASTROPHYSICS Gammaray Bursts GRBs - Main observational properties. spatial distribution. temporal. spectral ... Observations: some correlations between temporal and specral properties ...

Main observational properties. spatial distribution. temporal. spectral ... Observations: some correlations between temporal and specral properties ...

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The Milagro GammaRay Observatory PowerPoint PPT Presentation

The Milagro GammaRay Observatory - Milagro is a water Cherenkov extensive air shower (EAS) detector located near ... the iron nucleus and beyond (transuranic elements have been observed in cosmic rays) ...

Milagro is a water Cherenkov extensive air shower (EAS) detector located near ... the iron nucleus and beyond (transuranic elements have been observed in cosmic rays) ...

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Prompt GammaRay Imaging for Small Animals PowerPoint PPT Presentation

Prompt GammaRay Imaging for Small Animals - Absorbed dose for mice. Comparison with MicroPET. 100 uCi 18F is injected into the mouse body ... dose to a 30-gram mouse by PGI (Neutron flux: 108 /cm2 ...

Absorbed dose for mice. Comparison with MicroPET. 100 uCi 18F is injected into the mouse body ... dose to a 30-gram mouse by PGI (Neutron flux: 108 /cm2 ...

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GRETA The GammaRay Energy Tracking Array PowerPoint PPT Presentation

GRETA The GammaRay Energy Tracking Array - Efficiency Proper summing of scattered gamma rays, no solid angle lost to ... questions in nuclear structure, nuclear astrophysics, and weak interactions. ...

Efficiency Proper summing of scattered gamma rays, no solid angle lost to ... questions in nuclear structure, nuclear astrophysics, and weak interactions. ...

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GammaRay Bursts The Biggest Explosions Since the Big Bang PowerPoint PPT Presentation

GammaRay Bursts The Biggest Explosions Since the Big Bang - History and basic observational facts. BATSE observations, the 'Great Debate', and the determination of the distance scale ... Gpc-3 yr-1 (SNeIc ~ 4.8x104 Gpc ...

History and basic observational facts. BATSE observations, the 'Great Debate', and the determination of the distance scale ... Gpc-3 yr-1 (SNeIc ~ 4.8x104 Gpc ...

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GammaRay Bursts in the GLAST Era PowerPoint PPT Presentation

GammaRay Bursts in the GLAST Era - because the EGRET's deadtime. was ~100 ms. GLAST. Italia. BeppoSAX 1997 ... 10 EGRET effective area, so more photons per burst ...

because the EGRET's deadtime. was ~100 ms. GLAST. Italia. BeppoSAX 1997 ... 10 EGRET effective area, so more photons per burst ...

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Supernovae and GammaRay Bursts PowerPoint PPT Presentation

Supernovae and GammaRay Bursts - Subsequent ignition of nuclear reactions involving heavier elements ... Cassiopeia A. Optical. X-rays. Synchrotron Emission and Cosmic-Ray Acceleration ...

Subsequent ignition of nuclear reactions involving heavier elements ... Cassiopeia A. Optical. X-rays. Synchrotron Emission and Cosmic-Ray Acceleration ...

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Results from the Milagro GammaRay Observatory PowerPoint PPT Presentation

Results from the Milagro GammaRay Observatory - Angular reconstruction of shower done with top layer ... Will help determine shower core location -Better angular resolution -Improved g/h separation ...

Angular reconstruction of shower done with top layer ... Will help determine shower core location -Better angular resolution -Improved g/h separation ...

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Future prospects for high resolution gammaray spectroscopy at GANIL with Doppler shift techniques - Future prospects for high resolution gammaray spectroscopy at GANIL with Doppler shift techniques

Future prospects for high resolution gammaray spectroscopy at GANIL with Doppler shift techniques

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Hypernuclear gammaray spectroscopy at JPARC K1'8 Beam line PowerPoint PPT Presentation

Hypernuclear gammaray spectroscopy at JPARC K1'8 Beam line - Large acceptance ~100[msr], ?~20[degree]. Enough hypernuclear production yield. ... V(r) = V0(r) Vs(r) sN sL VN(r) lNL sN VL(r) lNL sL VT(r) S12 ...

Large acceptance ~100[msr], ?~20[degree]. Enough hypernuclear production yield. ... V(r) = V0(r) Vs(r) sN sL VN(r) lNL sN VL(r) lNL sL VT(r) S12 ...

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High energy 20MeVTeV photon emission from Gammaray Bursts PowerPoint PPT Presentation

High energy 20MeVTeV photon emission from Gammaray Bursts - High energy (20MeV-TeV) photon emission from Gamma-ray Bursts ... (Hurley et al. 1994) GRB 930131 ... GRB 940217 (Hurley et al. 1994) Afterglow emission ...

High energy (20MeV-TeV) photon emission from Gamma-ray Bursts ... (Hurley et al. 1994) GRB 930131 ... GRB 940217 (Hurley et al. 1994) Afterglow emission ...

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High energy resolution GeV gammaray detector PowerPoint PPT Presentation

High energy resolution GeV gammaray detector - Need more than 5 hits to obtain at least one degree of freedom ... Weight limit: 500 kg, max. power: 3 kW, size: 0.8 m x 1.0 m x 1.85 m per standard port ...

Need more than 5 hits to obtain at least one degree of freedom ... Weight limit: 500 kg, max. power: 3 kW, size: 0.8 m x 1.0 m x 1.85 m per standard port ...

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Exploses Csmicas de Raios Gama GammaRay Bursts PowerPoint PPT Presentation

Exploses Csmicas de Raios Gama GammaRay Bursts - J. Garrett Jernigan. MIT. George R. Ricker (PI) Geoffrey Crew ... Gilbert Vedrenne. Jean-Francois Olive. Michel Boer. UChicago. Donald Q. Lamb. Carlo Graziani ...

J. Garrett Jernigan. MIT. George R. Ricker (PI) Geoffrey Crew ... Gilbert Vedrenne. Jean-Francois Olive. Michel Boer. UChicago. Donald Q. Lamb. Carlo Graziani ...

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The Central Engine for GammaRay Bursts PowerPoint PPT Presentation

The Central Engine for GammaRay Bursts - Provide adequate energy at high Lorentz factor. Collimate the emergent beam to approximately 0.1 radians ... energy and collimation to the jet - provided the necessary ...

Provide adequate energy at high Lorentz factor. Collimate the emergent beam to approximately 0.1 radians ... energy and collimation to the jet - provided the necessary ...

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GammaRay Bursts Emission Components During the Earliest Epoch Felix Ryde Stockholm University PowerPoint PPT Presentation

GammaRay Bursts Emission Components During the Earliest Epoch Felix Ryde Stockholm University - Comparison with observations: spectra, light curves and spectral evolution ... The energy range for COMTEL was 1-30 Mev; EGRET energy range was 20 Mev to 30 Gev. ...

Comparison with observations: spectra, light curves and spectral evolution ... The energy range for COMTEL was 1-30 Mev; EGRET energy range was 20 Mev to 30 Gev. ...

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Guaranteed Unresolved Point Source Emission and the Gammaray Background PowerPoint PPT Presentation

Guaranteed Unresolved Point Source Emission and the Gammaray Background - As with blazars and normal galaxies, some contribution from unIDs to the diffuse ... Can isotropy help? The Kavli Foundation. The National Science Foundation. GLAST! ...

As with blazars and normal galaxies, some contribution from unIDs to the diffuse ... Can isotropy help? The Kavli Foundation. The National Science Foundation. GLAST! ...

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On the nature of unidentified lowlatitude gammaray sources Are they highmass microquasars PowerPoint PPT Presentation

On the nature of unidentified lowlatitude gammaray sources Are they highmass microquasars - The SED of the EC and SSC emission, as well as the seed photon SED, are computed. ... IC emission is dominated by SSC scattering, reaching EGRET energies. ...

The SED of the EC and SSC emission, as well as the seed photon SED, are computed. ... IC emission is dominated by SSC scattering, reaching EGRET energies. ...

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GammaRay Burst afterglow plateaus PowerPoint PPT Presentation

GammaRay Burst afterglow plateaus - In-spiral: last few minutes in the band accessible to LIGO and Virgo ... O(1050 ergs) would produce a GW signal that could be detected by the adv Virgo ...

In-spiral: last few minutes in the band accessible to LIGO and Virgo ... O(1050 ergs) would produce a GW signal that could be detected by the adv Virgo ...

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RadioLoud and RadioQuiet, Gammaray Pulsars from the Galaxy and the Gould Belt PowerPoint PPT Presentation

RadioLoud and RadioQuiet, Gammaray Pulsars from the Galaxy and the Gould Belt - Radio beam geometry and velocity kick distribution Arzoumanian, Chernoff & Cordes (2002) ... to 978 radio pulsars (Galactic plane) to 120 supernovae in the Gould Belt ...

Radio beam geometry and velocity kick distribution Arzoumanian, Chernoff & Cordes (2002) ... to 978 radio pulsars (Galactic plane) to 120 supernovae in the Gould Belt ...

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Search for neutrinos from gammaray bursts with the ANTARES telescope PowerPoint PPT Presentation

Search for neutrinos from gammaray bursts with the ANTARES telescope - ... for the detection of cosmic neutrinos thanks to an almost background free search. ... Collaboration with the TAROT telescope array ...

... for the detection of cosmic neutrinos thanks to an almost background free search. ... Collaboration with the TAROT telescope array ...

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Gammaray Bursts: A New Probe for Dark Energy PowerPoint PPT Presentation

Gammaray Bursts: A New Probe for Dark Energy - What is dark energy? Dark energy was measured by WMAP, SDSS and SN Ia: ... 'standard candle' Cosmologically originated. April 15th, 2004. Cosmology Date @ LANL ...

What is dark energy? Dark energy was measured by WMAP, SDSS and SN Ia: ... 'standard candle' Cosmologically originated. April 15th, 2004. Cosmology Date @ LANL ...

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A study of complexity in GammaRay Burst using the Diffusion Entropy approach PowerPoint PPT Presentation

A study of complexity in GammaRay Burst using the Diffusion Entropy approach - Fully developed turbulence in a fluid flow (Frisch 1996) ... t N, which is the same as a boxcar-smoothing forward in time from point t to any point t t. ...

Fully developed turbulence in a fluid flow (Frisch 1996) ... t N, which is the same as a boxcar-smoothing forward in time from point t to any point t t. ...

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The Search for GammaRay Bursts with the Antarctic Muon and Neutrino Detector Array PowerPoint PPT Presentation

The Search for GammaRay Bursts with the Antarctic Muon and Neutrino Detector Array - (HETE, Swift, etc.) GRB timing/localization information. from ... Further burst localizations for 2002-2003 in progress. The future: Swift IceCube...

(HETE, Swift, etc.) GRB timing/localization information. from ... Further burst localizations for 2002-2003 in progress. The future: Swift IceCube...

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A Cosmology Independent Calibration of GammaRay Burst Luminosity Relations and the Hubble Diagram PowerPoint PPT Presentation

A Cosmology Independent Calibration of GammaRay Burst Luminosity Relations and the Hubble Diagram - A Cosmology Independent Calibration of Gamma-Ray Burst Luminosity Relations and ... Isotropy: first sign of. cosmological origin. Bimodality of GRB duration ...

A Cosmology Independent Calibration of Gamma-Ray Burst Luminosity Relations and ... Isotropy: first sign of. cosmological origin. Bimodality of GRB duration ...

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Deciphering the GammaRay Sky: GeV Astronomy in the Era of GLAST PowerPoint PPT Presentation

Deciphering the GammaRay Sky: GeV Astronomy in the Era of GLAST - Deciphering the Gamma-Ray Sky: GeV Astronomy in the Era of GLAST. Vasiliki ... EGRET observed the sky for almost 10 years, and made many important discoveries. ...

Deciphering the Gamma-Ray Sky: GeV Astronomy in the Era of GLAST. Vasiliki ... EGRET observed the sky for almost 10 years, and made many important discoveries. ...

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Delayed X and GammaRay Line Emission from Solar Flare Radioactivity PowerPoint PPT Presentation

Delayed X and GammaRay Line Emission from Solar Flare Radioactivity - Delayed X- and Gamma-Ray Line Emission. from Solar Flare Radioactivity ... The Gamma-Ray Imager ... an artist's Cosmic Vision. From J. Kn dlseder, ESLAB Symposium 2005 ...

Delayed X- and Gamma-Ray Line Emission. from Solar Flare Radioactivity ... The Gamma-Ray Imager ... an artist's Cosmic Vision. From J. Kn dlseder, ESLAB Symposium 2005 ...

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GammaRay Burst Afterglows Prospects for the NSU Rapid Response Robotic Telescope PowerPoint PPT Presentation

GammaRay Burst Afterglows Prospects for the NSU Rapid Response Robotic Telescope - 0.6-m (24-in) aperture reflecting telescope ... from seeing and transparency variations vanish since they affect both images equally. ...

0.6-m (24-in) aperture reflecting telescope ... from seeing and transparency variations vanish since they affect both images equally. ...

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Gammaray PowerPoint PPT Presentations