PPT-Low-Energy Polarized Positrons

for Physics e MESA Lowenergy positron physics Slow positron physics Polarized positron production Conclusions Eric Voutier Institut de Physique Nucléaire Orsay France. 11 3266 2453 4819 3483 4819 3483 3604 3604 Anthem Dentegra Dentegra Family Plan Type High Low High Low Low High Low High Low High Low Low Low Diagnostic Preventive DP 100 80 100 100 100 100 100 100 100 100 100 100 100 Basic Services 75 60 80 50 60 8 lnput at 1kHz 1mV RMS PreEmphasized FREQUENCY Hz 20 02000 DEVIATION dB 00 020000 040000 060000 100 1k 10k 50k 04000 06000 08000 1000 080000 10000 18V 25 25 MEASURED COMPUTER SIMULATED T1115 TA02 INPUT SELECT PER PHOTO CART RIDGE COM IN 475k MM 100 Lecture . 09: . Polarization and DIC. Lecture 9: Polarization and DIC. Review Contrast and Phase Contrast. Polarization. Birefringence. Nomarski. . (Differential . Interference Contrast). Resolution. Dichroism. Δ. A(. λ) = . A(. λ). LCPL. - A(. λ). RCPL. Polarized Light. Light with oscillations confined to a single plane.. Top: vertically polarized light. Bottom: horizontally polarized light. CEPC and past CLIC studies. Armen Apyan. Northwestern University. Evanston, IL, US. 26/05/2014. FCC-ee Accelerator meeting #6. 1. Outline. __________________. Polarized Positron Production Methods. CLIC Main . in the Sun. . No Need for Confinement!. The enormous self-gravity of the sun holds it together. There is no way the fuel can escape (or the sun can blow itself apart).. So the nuclear reactions just keep . Wave 3 continue. Polarization. Polarization is a process of turning . unpolarized. light to polarized light. A light wave is an electromagnetic wave that travels through the vacuum of outer space. Light waves are produced by vibrating electric charges.. E. xtreme nonlinear optics group. Polarization of the fastest flashes of light. Dr. . Avner. Fleischer, Ofer Kfir, . Tzvi. Diskin, . Pavel. . Sidorenko. What are the (controlled) fastest flashes? . INTERFERENCE FILTER. Arrangement for filtering monochromatic beam from incident white light is called interference filter.. When a narrow beam of white light is incident on the filter, it undergoes multiple reflections in the dielectric, it loses a major part of its intensity and finally emerges from the filter as a very narrow band with one or two maxima.. bandgap. energy illuminates a negative electron affinity (NEA) . GaAs. . photocathode, spin-polarized electrons are emitted [2, 3]. The degree of polarization is defined to be . where . N. ↑. and . n, k … index of refraction and damping. . 1. , . 2. … polarization and absorption. Problems:. The penetration depth of light is usually very low (metals) .  surface sensitive measurement. at the Fermilab Main Injector. Christine A. Aidala. University of Michigan. DNP Meeting. Waikoloa, HI. October . 7. , 2014. H. istory. In 1991-95 Fermilab Director John Peoples commissioned studies to examine what would be needed to polarize the (planned) Main Injector (as well as the already existing . What is antimatter?. Antiparticles. Annihilation. Artificial production. Applications. CONTENTS. To understand the basics of antimatter technology.. OBJECTIVES. Antimatter is exactly what you might think it is -- the opposite of normal matter, of which the majority of our universe is made. These anti-particles are, literally, mirror images of normal matter. Each anti-particle has the same mass as its corresponding particle, but the electrical charges are reversed.. GeV electron beam in less than one meter of plasmaGeV energy gain of a positron beam in one metre of plasma and the laser-driven acceleration of electrons up to 8 GeV in only 20cm of plasma anks to it