'Annihilation' diaporamas de présentation

Some progress in PQCD approach

601 views • 46 slides

X-RAY INTERACTION WITH MATTER

499 views • 37 slides

Wim de Boer, Christian Sander, Valery Zhukov Univ. Karlsruhe Dmitri Kazakov, Alex Gladyshev Dubna

From CMB + SN1a + structure formation. EGRET excess of diffuse Galactic Gamma Rays interpreted as Dark Matter Annihilation. Wim de Boer, Christian Sander, Valery Zhukov Univ. Karlsruhe Dmitri Kazakov, Alex Gladyshev Dubna. Outline (see astro-ph/0408272)

435 views • 37 slides

Candidates for dark matter and the ILC

592 views • 36 slides

Nonleptonic Two Body Decays of Charmed Mesons

Nonleptonic Two Body Decays of Charmed Mesons. By YU Fusheng ( ??? ) 2011 Cross Strait Meeting on Particle Physics and Cosmology. Outline. Introduction phenomenology heavy flavor physics Generalized Factorization Approach Pole Dominance Model Summary. Topological diagrams.

405 views • 30 slides

Gamma-ray From Annihilation of Dark Matter Particles

Gamma-ray From Annihilation of Dark Matter Particles. Eiichiro Komatsu University of Texas at Austin AMS Meeting@CERN, April 23, 2007. K. Ahn & EK, PRD, 71, 021303R (2005); 72, 061301R (2005) S. Ando & EK, PRD, 73, 023521 (2006) S. Ando, EK, T. Narumoto & T. Totani, MNRAS, 376, 1635 (2007)

353 views • 28 slides

391 views • 27 slides

Annihilating Dark Matter

Annihilating Dark Matter. Nicole Bell The University of Melbourne with John Beacom (Ohio State) Gianfranco Bertone (Paris, Inst. Astrophys.) and Gregory Mack (Ohio State). Dark 2007, Sydney, 27 th July 2007. Outline Galactic Positrons & Light Dark Matter

406 views • 26 slides

Sensitivity of High Energy Telescopes

Sensitivity of High Energy Telescopes. Chandra. fov, psf, exposure, systematics, value-added science. Goal: 10 -6 ph/cm 2 /s. Sources. Extragalactic Science with an MeV Telescope. 1. Gamma-ray galaxies/AGNs: (RQ) Seyferts; Buried Seyferts; FSRQs and BL Lacs; radio galaxies; others

336 views • 22 slides

The abnormal wide annihilation line of solar flares

The abnormal wide annihilation line of solar flares. ShiChao TANG. Content. Observation Wide Line 3gamma/2gamma ratio Time profile Problem with the models. High Energy Resolution. http://hesperia.gsfc.nasa.gov/hessi/concept.htm. High Energy Resolution. Share et al 2003. Wide Line.

242 views • 18 slides

Isotopes

389 views • 18 slides

SOURCE OF MONOCHROMATIC PHOTONS DRIVEN BY POSITRON IN-FLIGHT ANNIHILATION USING INTERNAL TARGET

280 views • 18 slides

???????????? INSTITUTE OF HIGH ENERGY PHYSICS

???????????? INSTITUTE OF HIGH ENERGY PHYSICS. Constraints on the cross-section of dark matter annihilation from Fermi observation of M31. Zhengwei Li. Payload working Group of HXMT. Structure formation. Gravitational lensing Clowe et al. (2006). Cosmological measurement (WMAP7).

339 views • 16 slides

Two phases of WIMP dark matter annihilation in the First Stars

Two phases of WIMP dark matter annihilation in the First Stars. Fabio Iocco INAF/Osservatorio Astrofisico di Arcetri. In collaboration with: Bressan, E. Ripamonti, R. Schneider, A. Ferrara, P. Marigo S.C. Yoon, S. Akiyama. TeVPA 2008, Beijing , september 25 th.

338 views • 16 slides

Survival or disruption of CDM micro-haloes: implications for detection experiments

246 views • 13 slides

Dark Matter Annihilation in the Milky Way Halo

259 views • 12 slides

Holocaust

Holocaust. Jalia Welch. Adolph Hitler. Leader of the Germans from 1933-1945 . Swastika. Official symbol of the Nazi party. Annihilation. Complete destruction. Final Solution. Nazi plan to annihilate the Jews. Death Camps .

236 views • 7 slides

Vocab Week of November 4

Vocab Week of November 4. Usurpations. Unjust uses of power. Annihilation. Destruction. Consanguinity. Originating from the same ancestor. Perfidy. Violation of Trust. Endowed. Provided.

290 views • 6 slides

Antiproton-proton elementary cross sections: lack of data at low momentum

Antiproton-proton elementary cross sections: lack of data at low momentum. pp total cross section. Total cross section Measurements exist down to 220 MeV/c Annihilation cross section Measurements by OBELIX exist even below 100 MeV/c Elastic cross section Measurements down to 181 MeV/c

148 views • 3 slides

Admin

Admin. Review. Causes of the Spanish-American War Major Naval engagements of the War Lessons learned US Overseas possessions acquired War Plan Orange US Naval focus 1900-1914 Panama Canal. Lesson 13: . The U.S. Navy, World War I and Prologue 1900-1918. Learning Objectives.

181 views • 0 slides