Measurements of the ballistic phonon component resulting from nuclear recoils in crystalline silicon
Journal Article
·
· Physical Review Letters; (United States)
- Department of Physics, Stanford University, Stanford, California 94305-4060 (United States)
- Lockheed Research and Development Division, 3251 Hanover Street, Palo Alto, California 94304 (United States)
We present evidence that nuclear recoils in silicon at cryogenic temperatures result in a larger ballistic component of phonons than do equal-energy electron recoils. A 300 [mu]m thick crystal of pure silicon was instrumented on both sides with superconducting titanium transition-edge sensors, and the phonon ballistic energy fraction was determined by measuring phonon focusing effects. Comparison of the data with simulations indicates that this fraction is 1.49[sub [minus]0.26][sup +0.34] times higher (at 68% confidence level) for nuclear recoils than for electron recoils.
- DOE Contract Number:
- FG03-90ER40569
- OSTI ID:
- 6023077
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 71:9; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440104 -- Radiation Instrumentation-- High Energy Physics Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
665100 -- Nuclear Techniques in Condensed Matter Physics -- (1992-)
665300* -- Interactions Between Beams & Condensed Matter-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BARYON REACTIONS
CHARGED-PARTICLE REACTIONS
COMPARATIVE EVALUATIONS
COSMIC RADIATION
DETECTION
ELECTRON REACTIONS
ELEMENTS
EVALUATION
HADRON REACTIONS
HEAT FLUX
IONIZING RADIATIONS
LEPTON REACTIONS
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
PHONONS
PHYSICAL RADIATION EFFECTS
QUASI PARTICLES
RADIATION DETECTION
RADIATION EFFECTS
RADIATIONS
RECOILS
SEMIMETALS
SILICON
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
665100 -- Nuclear Techniques in Condensed Matter Physics -- (1992-)
665300* -- Interactions Between Beams & Condensed Matter-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BARYON REACTIONS
CHARGED-PARTICLE REACTIONS
COMPARATIVE EVALUATIONS
COSMIC RADIATION
DETECTION
ELECTRON REACTIONS
ELEMENTS
EVALUATION
HADRON REACTIONS
HEAT FLUX
IONIZING RADIATIONS
LEPTON REACTIONS
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
PHONONS
PHYSICAL RADIATION EFFECTS
QUASI PARTICLES
RADIATION DETECTION
RADIATION EFFECTS
RADIATIONS
RECOILS
SEMIMETALS
SILICON