scholarly journals Energy spectra of trapped electrons and positrons with E > 50 MeV measured by the PAMELA magnetic spectrometer

2019 ◽  
Author(s):  
Vladimir Mikhailov ◽  
Alessandro Bruno ◽  
Keyword(s):  
Magnetic Spectrometer ◽  
Energy Spectra ◽  
Trapped Electrons ◽  
Electrons And Positrons

SU-D-BRCD-06: Measurement of Elekta Electron Energy Spectra Using a Small Magnetic Spectrometer

2012 ◽  
Vol 39 (6Part3) ◽  
pp. 3614-3614
Author(s):  
K Hogstrom ◽  
D McLaughlin ◽  
J Gibbons ◽  
P Shikhaliev ◽  
T Clarke ◽  
...  
Keyword(s):  
Electron Energy ◽  
Magnetic Spectrometer ◽  
Energy Spectra

Electrodisintegration of lithium

1970 ◽  
Vol 48 (16) ◽  
pp. 1917-1923 ◽  
Author(s):  
C. F. Wong ◽  
R. M. Hutcheon ◽  
Y. M. Shin ◽  
H. S. Caplan
Keyword(s):  
Solid State ◽  
Cross Sections ◽  
Ground State ◽  
Virtual Photon ◽  
Residual Nucleus ◽  
Charged Particles ◽  
Magnetic Spectrometer ◽  
Energy Spectra ◽  
Solid State Detectors ◽  
Photon Spectra

Energy spectra of charged particles produced by electron and bremsstrahlung bombardment of 6Li and 7Li were measured by means of a magnetic spectrometer and solid-state detectors. Assuming that all transitions leave the residual nucleus in the ground state, the photonuclear cross sections were obtained using both bremsstrahlung and E1 virtual photon spectra. Comparison of the present real and virtual photon results is made with those of previous experiments.

Energy spectra of electrons and positrons emitted from surfaces as a result of low energy positron bombardment

1997 ◽  
Vol 116 ◽  
pp. 311-317 ◽  
Author(s):  
Alex Weiss ◽  
E. Jung ◽  
J.H. Kim ◽  
A. Nangia ◽  
R. Venkataraman ◽  
...  
Keyword(s):  
Low Energy ◽  
Energy Spectra ◽  
Electrons And Positrons

The Energy Spectra and Relative Abundances of Electrons and Positrons in the Galactic Cosmic Radiation

1998 ◽  
Vol 498 (2) ◽  
pp. 779-789 ◽  
Author(s):  
S. W. Barwick ◽  
J. J. Beatty ◽  
C. R. Bower ◽  
C. J. Chaput ◽  
S. Coutu ◽  
...  
Keyword(s):  
Cosmic Radiation ◽  
Energy Spectra ◽  
Electrons And Positrons ◽  
Relative Abundances

scholarly journals Hadronic jet models today

2010 ◽  
Vol 6 (S275) ◽  
pp. 59-67 ◽  
Author(s):  
Marek Sikora
Keyword(s):  
Kinetic Energy ◽  
Crucial Role ◽  
High Energy ◽  
Matter Content ◽  
Energy Spectra ◽  
Synchrotron Emission ◽  
Relativistic Jets ◽  
Electrons And Positrons ◽  
Adiabatic Cooling

AbstractThe matter content of relativistic jets in AGNs is dominated by a mixture of protons, electrons, and positrons. During dissipative events these particles tap a significant portion of the internal and/or kinetic energy of the jet and convert it into electromagnetic radiation. While leptons – even those with only mildly relativistic energies – can radiate efficiently, protons need to be accelerated up to energies exceeding 1016–19 eV to dissipate radiatively a significant amount of energy via either trigerring pair cascades or direct synchrotron emission. Here I review various constraints imposed on the role of hadronic non-adiabatic cooling processes in shaping the high energy spectra of blazars. It will be argued that protons, despite being efficiently accelerated and presumably playing a crucial role in jet dynamics and dissipation of the jet kinetic energy to the internal energy of electrons and positrons, are more likely to remain radiatively passive in AGN jets.

REVIEW OF PRECISION MEASUREMENTS OF HIGH ENERGY ELECTRONS

2002 ◽  
Vol 17 (12n13) ◽  
pp. 1613-1624 ◽  
Author(s):  
BRUNA BERTUCCI
Keyword(s):  
Cosmic Ray ◽  
High Energy ◽  
Particle Identification ◽  
Energy Spectra ◽  
Precision Measurements ◽  
Low Intensity ◽  
High Energy Electrons ◽  
Electrons And Positrons ◽  
Experimental Effort ◽  
Experimental Challenge

An accurate measurement of the intensity and energy spectra of Cosmic Ray electrons and positrons represents a major experimental challenge. Long exposure times and excellent particle identification capabilities are needed in order to cope with the low intensity of the electron and positron fluxes and the overwhelming background from protons and nuclei in cosmic rays. The motivations for such an experimental effort will be briefly discussed and the most recent results revieweved together with the perspectives of future experiments.

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