'511 kev' presentation slideshows

Dark Matter Particles: MeV, TeV or heavier? Gianfranco BERTONE

796 views • 78 slides

Positron Emission Tomography

Positron Emission Tomography. Annihilation. The ejected positron (e+) annihilates with an electron (e-) of the tissue after traveling a short distance The PSF due to positron range has a very long ditail. Positron range. Molecule in tissue. Positron Emission. e-. Annihilation event. e+.

672 views • 59 slides

GeV GRBs

611 views • 51 slides

HIGH ENERGY ASTROPHYSICS ?-ray emission from galactic radioactivity

HIGH ENERGY ASTROPHYSICS ?-ray emission from galactic radioactivity. Relevant radioactive nuclei for galactic ?-ray line emission : how and where they are synthesized: nucleosynthesis (hydrostatic and explosive), in stars interaction with cosmic rays, in the interstellar medium

623 views • 50 slides

PET Imaging and Quantification

Radiologic Physics: Nuclear Medicine. PET Imaging and Quantification. Suleman Surti surti@mail.med.upenn.edu (215) 662-7214. vi) Two 511 keV photons produced by e + e - annihilation ~180?. i) Unstable parent nucleus. iii) Positron travels short distance in tissue (Neutrino escapes).

630 views • 47 slides

Antimatter in our Galaxy unveiled by INTEGRAL

549 views • 42 slides

The all-sky distribution of 511 keV electron-positron annihilation emission

583 views • 40 slides

Demonstration of an Axial PET concept for Brain and Small Animal Imaging

Demonstration of an Axial PET concept for Brain and Small Animal Imaging. Vienna Conference of Instrumentation 2010 Paolo Beltrame CERN - PH/DT. The AX-PET concept The Demonstrator Characterization Simulation and Reconstruction Next steps and future plans. The AX-PET Collaboration.

547 views • 38 slides

Particle detection with liquid xenon

Particle detection with liquid xenon. Tugdual OGER Subatech. Liquid Xenon. High atomic number (54) + high density (~3 g/cm 3 ) Efficient to stop penetrating radiation Can provide a good shield. No long lived isotopes Small W-value (15.6 eV) Sensitive for low energy particle detection

370 views • 35 slides

Demonstration of an Axial PET concept for Brain and Small Animal Imaging

https://cern.ch/twiki/bin/view/AXIALPET. Demonstration of an Axial PET concept for Brain and Small Animal Imaging. Christian Joram, CERN PH/DT. The AXIAL PET concept Design of the Demonstrator (2 modules) Characterization Simulation and Reconstruction Next steps / near future plans.

400 views • 29 slides

The 3D Axial PET Concept

The 3D Axial PET Concept. Positron Emission Tomography - Principle and intrinsic limitations - State of the art Hybrid Photon Detectors: Principle, performance and fabrication The 3D axial PET camera - concept - strong and critical points - discussion of the key components

295 views • 29 slides

FHT 3511

FHT 3511. Calibration of a PET-stack monitor based on coincidence technology Dr. Michael Iwatschenko November 2005. Content. the idea the requirements the concept the hardware the user interface Summary. PET Specifics. Production. Application.

795 views • 25 slides

Charge division readout for SensL SPMArray4 modules (last update October 10, 2011)

Charge division readout for SensL SPMArray4 modules (last update October 10, 2011). Motivation : Compactness Higher MRI-compatibility Cost

404 views • 24 slides

335 views • 17 slides

GAMOS tutorial PET Exercises

GAMOS tutorial PET Exercises. Pedro Arce Dubois CIEMAT http://fismed.ciemat.es/GAMOS. Ex. 0: Installation Ex. 1: Basic example Ex. 2: Define PET geometry Obtain information about what is happening in a PET Ex. 3: Detector effects Ex. 4: Store results in file The exercises are sequential

366 views • 14 slides

Delayed X- and Gamma-Ray Line Emission from Solar Flare Radioactivity

Delayed X- and Gamma-Ray Line Emission from Solar Flare Radioactivity. V. Tatischeff, B. Kozlovsky, J. Kiener and R. J. Murphy ApJS, submitted. Proposed by Ramaty & Mandzhavidze (2000, IAU Symp.) size and development of the radioactive patch

287 views • 10 slides

GAMOS tutorial PET Exercises

GAMOS tutorial PET Exercises. Pedro Arce Dubois CIEMAT http://fismed.ciemat.es/GAMOS. Ex. 1: Define PET geometry Ex. 2: Obtain information about what is happening in a PET Ex. 3: Detector effects The exercises are sequential

250 views • 10 slides

GAMOS tutorial PET Exercises

GAMOS tutorial PET Exercises. Pedro Arce Dubois CIEMAT http://fismed.ciemat.es/GAMOS. Ex. 1: Define PET geometry Ex. 2: Obtain information about what is happening in a PET Ex. 3: Detector effects The exercises are sequential

110 views • 10 slides

Delayed X- and Gamma-Ray Line Emission from Solar Flare Radioactivity

Delayed X- and Gamma-Ray Line Emission from Solar Flare Radioactivity. V. Tatischeff, B. Kozlovsky, J. Kiener and R. J. Murphy ApJS, submitted. Proposed by Ramaty & Mandzhavidze (2000, IAU Symp.) size and development of the radioactive patch

103 views • 10 slides

121 views • 1 slides