scholarly journals Angular Correlation Effects with Annihilation Radiation

Nature ◽  
1947 ◽  
Vol 160 (4065) ◽  
pp. 435-435 ◽  
Author(s):  
M. H. L. PRYCE ◽  
J. C. WARD
Keyword(s):  
Angular Correlation ◽  
Annihilation Radiation ◽  
Correlation Effects

Angular Correlation of Positron Annihilation Radiation from Single Crystals of Vanadium-Deuterium Alloys

1979 ◽  
Vol 46 (2) ◽  
pp. 481-487 ◽  
Author(s):  
Masayuki Hasegawa ◽  
Shu-ichi Koike ◽  
Makoto Hirabayashi ◽  
Hajime Asano ◽  
Toshiharu Suzuki
Keyword(s):  
Single Crystals ◽  
Positron Annihilation ◽  
Angular Correlation ◽  
Annihilation Radiation

Vacancy defects in photoexcited GaAs studied by positron two-dimensional angular correlation of annihilation radiation

1994 ◽  
Vol 50 (15) ◽  
pp. 11247-11250 ◽  
Author(s):  
J. P. Peng ◽  
K. G. Lynn ◽  
M. T. Umlor ◽  
D. J. Keeble ◽  
D. R. Harshman
Keyword(s):  
Angular Correlation ◽  
Annihilation Radiation ◽  
Two Dimensional ◽  
Vacancy Defects

THE ANGULAR CORRELATION OF ANNIHILATION RADIATION

1951 ◽  
Vol 29 (1) ◽  
pp. 32-35 ◽  
Author(s):  
P. E. Argyle ◽  
J. B. Warren
Keyword(s):  
Angular Distribution ◽  
Angular Correlation ◽  
Electron Energy ◽  
Annihilation Radiation ◽  
Coincidence Rate ◽  
Mass Center ◽  
Average Momentum ◽  
Residual Motion ◽  
Angle Of Deviation

The angular distribution of annihilation radiation from copper 64 has been measured with a pair of scintillation counters in coincidence. Coincidences were found when the counters and source were not quite collinear. The relation between the noncollinear coincidence rate and angle of deviation λ could be closely approximated to by an exponential of the form [Formula: see text], where λ0 = (3.60 ± 0.04) 10−3 radian. Interpreting this departure from antiparallelism of the two photons as arising from the residual motion of the annihilating pair, the average momentum of their mass center in copper is found to be (7.20 mc.) × 10−3 which corresponds to an electron energy of 13.2 ev., if the positron is assumed to be thermalized before annihilation.

Angular Correlation of Annihilation Radiation in Various Substances

1957 ◽  
Vol 108 (4) ◽  
pp. 914-921 ◽  
Author(s):  
G. Lang ◽  
S. DeBenedetti
Keyword(s):  
Angular Correlation ◽  
Annihilation Radiation
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