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Proton Bremsstrahlung at 140 Mev

Journal Article · · Physical Review
 [1]
  1. Univ. of Rochester, NY (United States)
+ Show Author Affiliations
The high energy gamma-rays arising from 140-Mev proton bombardment of several elements has been studied using a scintillation counter telescope to detect secondary electrons. The angular distribution is consistent with an approximately isotropic distribution in the center-of-mass system if we assume the bremsstrahlung to come from $p-n$ collisions inside the nucleus. This is in disagreement with a phenomenological potential treatment of the $p-n$ force or the scalar-meson theory. The form of the spectrum is found to be consistent with the $$\frac{dv}{v}$$ shape and the dependence on $$Z$$ much as would be expected from an opaque nucleus with only the neutron contributing to the bremsstrahlung.
Research Organization:
Univ. of Rochester, NY (United States)
Sponsoring Organization:
US Atomic Energy Commission (AEC)
NSA Number:
NSA-06-000337
OSTI ID:
4397832
Report Number(s):
NYO-898
Journal Information:
Physical Review, Journal Name: Physical Review Journal Issue: 4 Vol. 85; ISSN 0031-899X
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

References (14)

XCIX. Energy losses of ionizing particles at relativistic velocities in the photographic plate journal January 1950
Multiple Scattering of Fast Electrons and Alpha-Particles, and "Curvature" of Cloud Tracks Due to Scattering journal August 1940
The Ionization Loss of Energy of Fast Charged Particles in Gases and Condensed Bodies journal March 1948
Threshold Energy for Meson Production journal April 1949
Bremsstrahlung in High Energy Nucleon-Nucleon Collisions journal July 1949
Mean Square Angles of Bremsstrahlung and Pair Production journal September 1949
High Energy Photons from Proton-Nucleon Collisions journal January 1950
Deuteron Photo-Effect at High Energies journal June 1950
Photo-Disintegration of the Deuteron at High Energies journal June 1950
Evidence for the Production of Neutral Mesons by Photons journal June 1950
Bremsstrahlung in High Energy Nucleon-Nucleon Collisions journal August 1950
Multiple Scattering of Fast Electrons in Nuclear Emulsions journal October 1950
The Angular Distribution of High Energy Neutrons from Targets Bombarded by 330-Mev Protons journal February 1951
Multiple Scattering of Fast Particles in Photographic Emulsions journal March 1951

Figures / Tables (10)

Table I(p. 8)table Table I
Table II(p. 12)table Table II
Table III(p. 16)table Table III
Table IV(p. 20)table Table IV
FIG 1(p. 25)figure FIG 1
FIG. 2(p. 26)figure FIG. 2
FIG. 3(p. 27)figure FIG. 3
FIG. 4(p. 28)figure FIG. 4
Fig. 5(p. 30)figure Fig. 5
Fig. 6(p. 31)figure Fig. 6

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
ATOMS
BREMSSTRAHLUNG
ELECTRIC CHARGES
ELECTRONS
ELEMENTS
GAMMA RADIATION
INTERACTIONS
MEASURED VALUES
MESONS
NEUTRONS
NUCLEAR THEORY
PROTON BEAMS
SCINTILLATION COUNTERS