'Shock acceleration' presentation slideshows

Outstanding problems in Particle Astrophysics

Outstanding problems in Particle Astrophysics. Cosmic-ray propagation Acceleration Sources. Spectrometers ( D A = 1 resolution, good E resolution). Air showers. Calorimeters (less good resolution). Direct measurements. Knee. Ankle. A fundamental result.

622 views • 53 slides

Outstanding problems in Particle Astrophysics

Outstanding problems in Particle Astrophysics. Cosmic-ray propagation Acceleration Sources. Spectrometers ( D A = 1 resolution, good E resolution). Air showers. Calorimeters (less good resolution). Direct measurements. Knee. Ankle. A fundamental result.

634 views • 53 slides

Nonlinear Particle Acceleration at Nonrelativistic Shocks

Nonlinear Particle Acceleration at Nonrelativistic Shocks Don Ellison, North Carolina State University. Magnetic Field Amplification (MFA) from cosmic ray streaming instability Emphasize nonlinear connection between : First-order Fermi Particle acceleration Shock structure

633 views • 50 slides

Particle Astrophysics

Particle Astrophysics. Cosmic rays Gamma-ray astronomy Neutrino astronomy. Multi-messenger astronomy. Protons , g -rays , n , [gravitational waves] as probes of the high-energy universe Protons : directions scrambled by magnetic fields Photons : straight-line propagation but

640 views • 48 slides

Chanruangrith Channok , 1 David Ruffolo , 1 Mihir Desai, 2 and Glenn Mason 2 1 THAILAND 2 USA

543 views • 46 slides

Cosmic rays: origin and physics

Cosmic rays: origin and physics. Richard Lieu Dept. of Physics University of Alabama, Huntsville. Inscription at Erice Sicily, about VICTOR HESS. Here in the Erice maze Cosmic rays are all the craze Just because a guy named Hess When ballooning up found more not less.

623 views • 46 slides

SEP Acceleration

SEP Acceleration. C.M.S. Cohen Caltech. Outline. Shock acceleration in the IPM ESP events Observations vs theory Observations driving theory Flare acceleration Impulsive SEP event characteristics Shocks in flares? Time of Flight studies Technique Usefulness and questions

421 views • 41 slides

A Basic Course on Supernova Remnants

A Basic Course on Supernova Remnants. Lecture #1 How do they look and how are observed? Hydrodynamic evolution on shell-type SNRs Lecture #2 Microphysics in SNRs - shock acceleration Non-thermal emission from SNRs. r. V. shock. Basic concepts of shocks.

464 views • 34 slides

Magnetic Field Amplification in Diffusive Shock Acceleration

Magnetic Field Amplification in Diffusive Shock Acceleration Don Ellison, North Carolina State Univ. Why is Diffusive Shock Acceleration (DSA) with Magnetic Field Amplification (MFA) important? Shocks widespread in Universe: all with nonthermal particles

516 views • 31 slides

ACCELERATION AND TRANSPORT OF HIGH ENERGY COSMIC RAYS: A REVIEW

313 views • 31 slides

The cosmic-ray spectrum

454 views • 30 slides

Particle Acceleration in Relativistic Shock Waves

Particle Acceleration in Relativistic Shock Waves. Masahiro HOSHINO University of Tokyo. Collaboration with T. Amano, K. Nagata, C. Jaroschek, Y. Takagi. Cosmic Accelerator in Astrophysics. Pulsars & Winds ( g ~ 10 6-7 ) Extragalactic radio source ( g ~ 10)

1.03k views • 23 slides

Magnetic-Field Amplification and Cosmic-Ray Acceleration in Turbulent MHD Shocks

357 views • 23 slides

LASCO C2 Jan 24, 2006, www image

Future progress understanding Solar Energetic Particles. Glenn Mason, JHU/APL 10th RHESSI Workshop Annapolis, MD August 5, 2010. LASCO C2 Jan 24, 2006, www image. work cited here from: Spiro Antiochos Hilary Cane Eileen Chollet Christina Cohen Mihir Desai Richard DeVoreJ Jim Drake

326 views • 22 slides

Particle Acceleration in the Universe

Particle Acceleration in the Universe. Luke Drury Dublin Institute for Advanced Studies. Some ICRC history. Moscow 1987 Adelaide 1990 Leeds 1991 Dublin 1991 (birth of Auger project).

273 views • 20 slides

An Analytical Theory of Diffusive Shock Acceleration for Gradual SEP Events

An Analytical Theory of Diffusive Shock Acceleration for Gradual SEP Events. Marty Lee Durham, New Hampshire USA. Acceleration at a CME-Driven Shock. Lee, 2005. First-Order Fermi Acceleration. v ?. v z. Upstream Waves I. Tsurutani et al., 1983. Upstream Waves II. Hoppe et al., 1981.

442 views • 19 slides

Shock Acceleration of Thermal and Hot Seed Ion Populations

Shock Acceleration of Thermal and Hot Seed Ion Populations. Martin A. Lee University of New Hampshire Marty.Lee@unh.edu. September 16-17, 2008. Building a Foreshock Database. We have been engaged in building a database of field and particle observations upstream and downstream of shocks.

286 views • 17 slides

The Acceleration of Anomalous Cosmic Rays by the

SHINE Meeting, Nova Scotia. August 3-7, 2009. The Acceleration of Anomalous Cosmic Rays by the Heliospheric Termination Shock. J. A. le Roux, V. Florinski, N. V. Pogorelov, & G. P. Zank Dept. of Physics & CSPAR University of Alabama in Huntsville, Huntsville, AL 35763.

300 views • 17 slides

High-energy limit of Galactic cosmic rays Vladimir Ptuskin IZMIRAN

High-energy limit of Galactic cosmic rays Vladimir Ptuskin IZMIRAN. CR Large Scale Experiments, 2011. J X E 3. knee. Galactic. extragalactic. black body suppression. Cosmic rays of Galactic origin: acceleration in supernova remnants and propagation in interstellar magnetic fields.

340 views • 16 slides

Streaming Limit

Streaming Limit. Marty Lee Durham, New Hampshire USA. Shock Acceleration I. Shock Acceleration II. Streaming Limit. Reames and Ng, 1998. Large SEP Events. Reames and Ng, 1998.

157 views • 6 slides