ANGULAR-DISTRIBUTIONS OF LOW-ENERGY BETA-RAYS EMITTED FROM A SEALED SOURCE

被引:6
|
作者
YAMAMOTO, H
NORIMURA, T
KATASE, A
机构
[1] UNIV OCCUPAT & ENVIRONM HLTH, DEPT RADIAT BIOL & HLTH, KITAKYUSHU, FUKUOKA 807, JAPAN
[2] TOHWA UNIV, TOHWA INST SCI, FUKUOKA, FUKUOKA 815, JAPAN
关键词
D O I
10.1016/0969-8043(94)90045-0
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Angular distributions of beta-rays from a sealed standard source of C-14 are measured and found not to be isotropic. The anisotropy of the angular distribution is ascribed to the difference in the absorption of beta-rays in the source, which depends on the angle of emission. A simple method is developed for calculating the angular distributions by using the logarithmic relationship of the transmission for beta-rays against absorber thickness. The distributions obtained agree well with the experimental results.
引用
收藏
页码:317 / 323
页数:7
相关论文
共 50 条
  • [1] LOW-ENERGY AURORAL ELECTRONS - ANGULAR-DISTRIBUTIONS
    SHARP, WE
    TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1977, 58 (12): : 1198 - 1198
  • [2] ANGULAR-DISTRIBUTIONS OF VERY LOW-ENERGY RECOIL IONS
    LEPERA, CEG
    BREINIG, M
    BURGDORFER, J
    DESERIO, R
    ELSTON, SB
    GIBBONS, JP
    HULSKOTTER, HP
    LILJEBY, L
    SHORT, RT
    VANE, CR
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1987, 24-5 : 316 - 320
  • [3] SURFACE CRYSTALLOGRAPHY FROM LOW-ENERGY ION BACKSCATTERING ANGULAR-DISTRIBUTIONS
    YARMOFF, JA
    WILLIAMS, RS
    JOURNAL OF PHYSICAL CHEMISTRY, 1982, 86 (11): : 1924 - 1927
  • [4] ENERGY AND ANGULAR-DISTRIBUTIONS OF FILED EMITTED ELECTRONS
    SHIMOYAMA, H
    SUZUKI, M
    MARUSE, S
    JOURNAL OF ELECTRON MICROSCOPY, 1985, 34 (03): : 197 - 198
  • [5] ENERGY ANGULAR-DISTRIBUTIONS OF ELECTRONS EMITTED FROM MIM SYSTEMS
    HRACH, R
    THIN SOLID FILMS, 1973, 15 (01) : 65 - 69
  • [6] AVERAGE ENERGY OF BETA-RAYS EMITTED BY RADIOACTIVE ISOTOPES
    MARINELLI, LD
    BRINCKERHOFF, RF
    HINE, GJ
    REVIEWS OF MODERN PHYSICS, 1947, 19 (01) : 25 - 28
  • [7] REVIEW OF EXTRAPOLATION CHAMBER MEASUREMENTS OF BETA-RAYS AND LOW-ENERGY X-RAYS
    BOHM, J
    SCHNEIDER, U
    RADIATION PROTECTION DOSIMETRY, 1986, 14 (02) : 193 - 198
  • [8] DIRECTIONAL DISTRIBUTIONS OF BETA-RAYS EMITTED FROM POLARIZED CO-60 NUCLEI
    CHIROVSKY, LM
    LEE, WP
    SABBAS, AM
    GROVES, JL
    WU, CS
    PHYSICS LETTERS B, 1980, 94 (02) : 127 - 130
  • [9] SURFACE-STRUCTURE ANALYSIS FROM LOW-ENERGY ION BACKSCATTERING ANGULAR-DISTRIBUTIONS
    WILLIAMS, RS
    YARMOFF, JA
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH, 1983, 218 (1-3): : 235 - 240
  • [10] THE ANGULAR-DISTRIBUTIONS OF RECOIL ELECTRONS BY SCATTERING OF NEUTRAL LOW-ENERGY LEPTONS
    ROMANOV, JI
    IZVESTIYA AKADEMII NAUK SSSR SERIYA FIZICHESKAYA, 1990, 54 (01): : 161 - 164