Engineering topics

Costello, D. G.

Publications and source records attributed to Costello, D. G..

4 records

NASA NTRS1972

Evidence for the negative work function associated with positrons in gold.

Observation that positrons which have been thermalized in various moderators and coated with approximately 200-A gold leave the gold surface with an energy which peaks between 0.75 and 2.90 eV. This energy is thought to be associated with a positron or 'negative' work function of gold.

Costello, D. G.↗

NASA NTRS1970

Neutron capture cross sections of molybdenum, tantalum, and U 238 Final report

Neutron capture cross sections of molybdenum, tantalum, and U-238 and neutron flux spectrum measurements using He-3 proportional counter

Carlson, A. D.↗

NASA NTRS1970

Electron shielding studies - Experimental program Technical summary report, 1 Aug. 1968 - 31 Dec. 1969

Electron shielding and bremsstrahlung energy spectra for tin, gold, and silver

Costello, D. G.↗

NASA NTRS1968

Neutron capture cross sections of tungsten and rhenium Annual summary report

Neutron capture cross sections for natural tungsten and rhenium

Costello, D. G.↗