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A Further Study of Antiproton Interactions and the Annihilation Process
None
Date:
April 11, 1960
Creator:
Silberberg, R.
System:
The UNT Digital Library
An Acceleration Switching Valve Control System With Machine Tool Application
None
Date:
August 11, 1965
Creator:
MAnkin, J. B.
System:
The UNT Digital Library
Mixing of Fluids in Small-Diameter Tanks by Recirculation
None
Date:
April 11, 1966
Creator:
Harrell, J. E.
System:
The UNT Digital Library
Mutual Charge Neutralization of Gaseous Ions
The problem of the bimolecular rate constant, alpha , for the mutual charge neutralization reaction (ion-ion recombination) for ions formed by the vacuum ultraviolet photolysis of nitric oxide is considered. The pressure dependence of alpha over a pressure range of 10 to 600 torr for mixtures of a few hundred microns of NO with He, Ar, Kr, Xe, H/sub 2/, D/sub 2/, and N/sub 2/ was measured. From the low-pressure limit of alpha , the rate constant for charge neutralization in the absence of a third body was found to be k/sub o/ = 2.1 plus or minus 0.4 x 10/sup -7/ cm/sup 3// sec. The high-pressure limit of alpha was estimated to be 2.0 plus or minus 0.5 x 10/sup -6/ cm/sup 3//sec. The third-body efficiencies for promoting the charge-neutralization reaction were measured. The results, relative to He as the third-body gas, are H/sub 2/= 1.4 plus or minus 0.4, D/sub 2/= 1.5 plus or minus 0.4, Ar =3.6 plus or minus 0.8, Kr =4.3 plus or min11.0, N/sub 2/ = 5.2 plus or minus 1.1, and Xe = 6.8 plus or minus 1.5. The average ionic mobility in the gas mixtures is estimated, and the mobilities indicate that …
Date:
July 11, 1963
Creator:
Person, J. C.
System:
The UNT Digital Library
Pseudoscalar Interaction in Nuclear Beta Decay
None
Date:
July 11, 1960
Creator:
Bhalla, C. P.
System:
The UNT Digital Library