Measurement of Ll, Lα, Lβ and Lγ X-ray production cross sections and average L shell fluorescence yields for elements in the atomic range 70 ≤ Z ≤ 92 at 59.54 keV

被引:13
作者
Özdemir, Y [1 ]
Durak, R [1 ]
机构
[1] Ataturk Univ, Fen Edebiyat Fakultesi, TR-25240 Erzurum, Turkey
来源
PHYSICA SCRIPTA | 2000年 / 62卷 / 01期
关键词
D O I
10.1238/Physica.Regular.062a00041
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Ll, L alpha, L beta, and L gamma X-ray production cross sections have been measured for the elements Yb, Hf, W, Os, Hg, Tl, ph, Th and U for 59.54 keV gamma-rays from a 100 mCi Am-241 altered source. The average L-shell fluorescence yields have been deduced using the experimentally measured cross section values and the theoretical photoionization cross sections. The experimental results for Xray production cross sections (Le, L alpha, L beta, L gamma) and average L-shell fluorescence yields are compared with experimental values, theoretical prediction and semiempirical fits. The agreements are reasonably good.
引用
收藏
页码:41 / 45
页数:5
相关论文
共 24 条
[11]  
KRAUSE MO, 1979, J PHYS CHEM REF DATA, V8, P3307
[12]   MEASUREMENT OF L X-RAY-PRODUCTION CROSS-SECTIONS IN ELEMENTS 57-LESS-THAN-OR-EQUAL-TO-Z-LESS-THAN-OR-EQUAL-TO-92 AT 22.6 KEV [J].
MANN, KS ;
SINGH, N ;
MITTAL, R ;
ALLAWADHI, KL ;
SOOD, BS .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1990, 23 (20) :3521-3530
[13]   LL, L-ALPHA, L-BETA AND L-GAMMA X-RAY-PRODUCTION CROSS-SECTIONS IN ELEMENTS 57-LESS-THAN-OR-EQUAL-TO-Z-LESS-THAN-OR-EQUAL-TO-92 BY 8-50-KEV PHOTONS [J].
MANN, KS ;
SINGH, N ;
MITTAL, R ;
SOOD, BS ;
ALLAWADHI, KL .
X-RAY SPECTROMETRY, 1994, 23 (05) :208-217
[14]   M-SHELL X-RAY-PRODUCTION CROSS-SECTIONS AND FLUORESCENCE YIELDS FOR THE ELEMENTS WITH 71-GREATER-THAN-OR-EQUAL-TO-Z-GREATER-THAN-OR-EQUAL-TO-92 USING 5.96 KEV PHOTONS [J].
PURI, S ;
MEHTA, D ;
CHAND, B ;
SINGH, N ;
MANGAL, PC ;
TREHAN, PN .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1993, 73 (03) :319-323
[15]   L-SHELL FLUORESCENCE YIELDS AND COSTER-KRONIG TRANSITION-PROBABILITIES FOR THE ELEMENTS WITH 25-LESS-THAN-OR-EQUAL-TO Z LESS-THAN-OR-EQUAL-TO-96 [J].
PURI, S ;
MEHTA, D ;
CHAND, B ;
SINGH, N ;
TREHAN, PN .
X-RAY SPECTROMETRY, 1993, 22 (05) :358-361
[16]   L X-RAY-FLUORESCENCE CROSS-SECTIONS OF HEAVY-ELEMENTS EXCITED BY 15.20, 16.02, 23.62 AND 24.68 KEV PHOTONS [J].
RAO, DV ;
CESAREO, R ;
GIGANTE, GE .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1993, 83 (1-2) :31-36
[17]  
RAO DV, 1993, PHYS REV A, V47
[18]   Evaluation of atomic shell data [J].
Schonfeld, E ;
Janssen, H .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1996, 369 (2-3) :527-533
[19]  
Scofield J. H., 1974, Atomic Data and Nuclear Data Tables, V14, P121, DOI 10.1016/S0092-640X(74)80019-7
[20]  
SCOFIELD JH, 1973, 51326 UCRL L LIV LAB