D- production by backscattering from clean alkali-metal surfaces

Conference · Thu Sep 01 00:00:00 EDT 1977

OSTI ID:7290750

Schneider, P J; Berkner, K H; Graham, W G; Pyle, K V; Stearns, J W

Measurements have been made of the total back-scattered D/sup -/ yields from Cs, Rb, K, Na and Li surfaces bombarded with D/sub 2//sup +/ and D/sub 3//sup +/ in the energy range 0.05 to 3.5 keV/nucleon. All measurements were made at a background pressure less than 10/sup -9/ Torr and the alkali-metal surfaces were evaporated onto a substrate in situ to assure uncontaminated surfaces. For each target, the D/sup -/ yield is at a maximum (as high as 12% per incident deuteron for Cs) between 150 and 300 eV/nucleon, and at any measured energy, the D/sup -/ yield decreases from Cs to Li in the order given above.

• Research Organization: California Univ., Berkeley (USA). Lawrence Berkeley Lab.
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 7290750
• Report Number(s): LBL-6839; CONF-770940-8; TRN: 78-000573
• Resource Relation: Conference: Symposium on the production and neutralization of negative hydrogen ions and beams, Upton, New York, USA, 26 Sep 1977
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CESIUM
ION COLLISIONS
DEUTERIUM IONS
COLLISIONS
CHARGE EXCHANGE
LITHIUM
POTASSIUM
RUBIDIUM
SODIUM
EV RANGE 100-1000
ALKALI METALS
CHARGED PARTICLES
ELEMENTS
ENERGY RANGE
EV RANGE
IONS
METALS
640301* - Atomic
Molecular & Chemical Physics- Beams & their Reactions