NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login
Back to Results
On the method of positron lifetime measurementA fast-slow coincidence system was constructed for the measurement of positron lifetimes in material. The time resolution of this system was 270 ps for the (60)Co gamma rays. Positron lifetime spectra for 14 kinds of alkali halides were measured with this system. Two lifetime components and their intensities were derived from analyses of the lifetime spectra.
Document ID
19830013631
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Nishiyama, F. (NASA Headquarters Washington, DC United States)
Shizuma, K. (NASA Headquarters Washington, DC United States)
Nasai, H. (NASA Headquarters Washington, DC United States)
Nishi, M. (NASA Headquarters Washington, DC United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1983
Subject Category
Atomic And Molecular Physics
Report/Patent Number
NASA-TM-77018
NAS 1.15:77018
Meeting Information
Meeting: Presented to the Japan Assoc. of Phys. and Shikoku Branch of the Appl. Phys. Assoc.
Location: Okayama
Country: Japan
Start Date: July 1, 1980
Accession Number
83N21902
Funding Number(s)
CONTRACT_GRANT: NASW-3542
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Related Records

There are no records associated with this record.
No Preview Available