A new method for charged particles identification with a CsI(Tl) crystal

2000 ◽  
Vol 43 (3) ◽  
pp. 310-317 ◽  
Author(s):  
V. A. Khryachkov ◽  
M. V. Dunaev ◽  
V. V. Ketlerov ◽  
N. N. Semenova ◽  
M. Z. Tarasko
Keyword(s):  
Charged Particles ◽  
New Method

ENERGY LOSS OF HIGHLY CHARGED PARTICLES PRODUCED BY FISSION AND BY COSMIC RAYS: III. THE LINEAR DENSITY OF DELTA RAYS. EXPERIMENTS

1953 ◽  
Vol 31 (4) ◽  
pp. 480-496 ◽  
Author(s):  
Pierre Demers ◽  
Zofia Lechno-Wasiutynska
Keyword(s):  
Cosmic Rays ◽  
Energy Loss ◽  
Energy Distribution ◽  
Linear Density ◽  
Charged Particles ◽  
New Method ◽  
Low Velocity ◽  
Relativistic Corrections ◽  
Comparison With Experiment

Delta rays having an energy as low as 2–5 kev. have been counted along the tracks of mesons, protons, and α rays of low velocity, allowing the identification of each. Three methods are presented and applied to determine the efficiency ƒ of counting delta rays of various energies; measured values of ƒ vary between 0.05% at 2 kev. and 100–180% near 50 kev. The number of grains, and the energy distribution among visible delta rays, are analyzed. A new method of determining velocity, based on the analysis of the number of grains in the delta rays, is presented. In the Appendix, the effect of relativistic corrections is computed and discussed. It is small except at large velocities where comparison with experiment is difficult.

scholarly journals Time-focusing time-of-flight, a new method to turn a MAC-E-filter into a quasi-differential spectrometer

2020 ◽  
Vol 80 (10) ◽  
Author(s):  
A. Fulst ◽  
A. Lokhov ◽  
M. Fedkevych ◽  
N. Steinbrink ◽  
C. Weinheimer
Keyword(s):  
Charged Particles ◽  
Time Of Flight ◽  
New Method ◽  
Start Time ◽  
Pass Filter ◽  
Angular Acceptance ◽  
Electrostatic Filter ◽  
Acceleration And Deceleration ◽  
Excellent Energy Resolution ◽  
Energy Dependent

AbstractSpectrometers based on the magnetic adiabatic collimation followed by an electrostatic filter (MAC-E-filter) principle combine high angular acceptance with an excellent energy resolution. These features make MAC-E-filters very valuable for experiments where the kinetic energy of ions or electrons from rare processes has to be measured with utmost sensitivity and precision. Examples are direct neutrino mass experiments like KATRIN which investigate the energy of electrons in the endpoint region of the tritium $$\beta $$ β -spectrum. However, the MAC-E-filter is a very sharp energy high-pass filter but not a differential spectrometer. To determine a spectral shape of a charged particle source, different electric retarding potentials have to be used sequentially, reducing the statistics. In a previous work we have shown that the advantages of the standard MAC-E-filter can be combined with a measurement of the time-of-flight (TOF), allowing to determine spectral information over a certain energy range with one retarding potential only, with the corresponding gain in statistics. This TOF method requires one to know the start time of the charged particles, which is not always possible. Therefore, we propose a new method which does not require the determination of the start time and which we call “time-focusing time-of-flight” (tfTOF): by applying a time dependent acceleration and deceleration potential at a subsequent MAC-E-filter, an energy dependent post-bunching of the charged particles is achieved.

A new method for mass measurements of fast, charged particles

1954 ◽  
Vol 12 (S2) ◽  
pp. 416-418 ◽  
Author(s):  
S. Rosendorf ◽  
G. Yekutieli
Keyword(s):  
Charged Particles ◽  
New Method ◽  
Mass Measurements

The Jovian ring

1984 ◽  
Vol 75 ◽  
pp. 203-209
Author(s):  
Joseph A. Burns
Keyword(s):  
Equatorial Plane ◽  
Charged Particles ◽  
Dynamical Evolution ◽  
Main Band ◽  
Small Grains ◽  
Three Components

ABSTRACTLying in Jupiter's equatorial plane is a diaphanous ring having little substructure within its three components (main band, faint disk, and halo). Micron-sized grains account for much of the visible ring, but particles of centimeter sizes and larger must also be present to absorb charged particles. Since dynamical evolution times and survival life times are quite short (≲102-3yr) for small grains, the Jovian ring is being continually replenished; probably most of the visible ring is generated by micrometeoroids colliding into unseen parent bodies that reside in the main band.

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