{"id":4723,"date":"2026-06-02T07:47:37","date_gmt":"2026-06-01T22:47:37","guid":{"rendered":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/?p=4723"},"modified":"2026-06-02T07:47:37","modified_gmt":"2026-06-01T22:47:37","slug":"kurri-tr-432","status":"publish","type":"post","link":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/kurri-tr-432\/","title":{"rendered":"KURRI-TR-432"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

KUR\u306e\u6c34\u5727\u8f38\u9001\u7ba1(Hyd) \u304a\u3088\u3073\u5727\u6c17\u8f38\u9001\u7ba1(Pn) \u7167\u5c04\u30ab\u30d7\u30bb\u30eb\u5185\u306e\u4e2d\u6027\u5b50\u675f\u5206\u5e03\u3001Epithermalindex, Westcott\u6d41\u71b1\u4e2d\u6027\u5b50\u675f\u306e\u6e2c\u5b9a
Measurement of the Neutron Flux Distributions, Epithermal Index, Westcott Thermal Neutron Flux in the Irradiation Capsules of Hydraulic Conveyer (Hyd) and Pneumatic Tubes (Pn) Facilities of the KUR<\/p>\n\n\n\n

2001\u5e744\u6708\u3000(April, 2001)
\u8336\u8c37\u6d69
Chatani Hiroshi<\/p>\n\n\n\n

\u76ee\u6b21<\/strong><\/p>\n\n\n\n

\u7b2c1\u7ae0Hyd\u3068Pn-1,2, 3\u306e\u7167\u5c04\u30ab\u30d7\u30bb\u30eb\u5185\u306b\u304a\u3051\u308b\u4e2d\u6027\u5b50\u675f\u5206\u5e03\u306e\u6e2c\u5b9a<\/p>\n\n\n\n

\u8981\u65e8  \/p.1<\/p>\n\n\n\n

1. \u5e8f\u8ad6  \/p.2<\/p>\n\n\n\n

2. \u5b9f\u9a13\u65b9\u6cd5  \/p.2<\/p>\n\n\n\n

2-1. Hyd\u306e\u5834\u5408  \/p.2<\/p>\n\n\n\n

2-2. Pn\u306e\u5834\u5408  \/p.2<\/p>\n\n\n\n

3.\u7d50\u679c\u3068\u8003\u5bdf  \/p.2<\/p>\n\n\n\n

3-1. Hyd\u306e\u5834\u5408  \/p.3<\/p>\n\n\n\n

3-2. Pn\u306e\u5834\u5408  \/p.3<\/p>\n\n\n\n

\u56f31-1\uff5e1-11  \/p.3-8<\/p>\n\n\n\n

\u53c2\u8003\u6587\u732e  \/p.9<\/p>\n\n\n\n

\u7b2c2\u7ae0Hyd\u3068Pn-2\u306b\u304a\u3051\u308bEpithermal index\u3068 Westcott\u6d41\u71b1\u4e2d\u6027\u5b50\u675f\u306e\u6e2c\u5b9a<\/p>\n\n\n\n

\u8981\u65e8  \/p.10<\/p>\n\n\n\n

1. \u5e8f\u8ad6  \/p.11<\/p>\n\n\n\n

2. \u5b9f\u9a13\u65b9\u6cd5  \/p.11<\/p>\n\n\n\n

2-1. Hyd\u306b\u3088\u308b\u7167\u5c04  \/p.11<\/p>\n\n\n\n

2-2. Pn-2\u306b\u3088\u308b\u7167\u5c04  \/p.11<\/p>\n\n\n\n

2-3. \u53cd\u5fdc\u7387\u306e\u8a08\u7b97  \/p.11<\/p>\n\n\n\n

2-4. \u03b3\u7dda\u306e\u6e2c\u5b9a  \/p.12<\/p>\n\n\n\n

2-5. \u9762\u72b6\u30c3\u7dda\u6e90\u6e2c\u5b9a\u306b\u304a\u3051\u308bFEP\u52b9\u7387\u306e\u88dc\u6b63  \/p.12<\/p>\n\n\n\n

2-6. \u03b3\u7dda\u306e\u81ea\u5df1\u5438\u53ce\u306e\u88dc\u6b63  \/p.12<\/p>\n\n\n\n

2-6-1. \u7b94\u306e\u5834\u5408(0.483%Co-Al\u304a\u3088\u30730.1143%Au-Al\u7b94\uff09  \/p.12<\/p>\n\n\n\n

2-6-2. \u30ef\u30a4\u30e4\u30fc\u306e\u5834\u5408(0.11%Au-Al\u30ef\u30a4\u30e4\u30fc\uff09  \/p.13<\/p>\n\n\n\n

3. Westcott\u6d41\u306e\u5b9f\u52b9\u65ad\u9762\u7a4d\u3068\u71b1\u4e2d\u6027\u5b50\u675f  \/p.3<\/p>\n\n\n\n

4. Epithermal index\u306e\u6c42\u3081\u65b9  \/p.14<\/p>\n\n\n\n

4-1. \u305d\u306e\u4e00\u3001Cd\u6bd4\u6cd5  \/p.14<\/p>\n\n\n\n

4-2. \u305d\u306e\u4e8c\u3001\u8907\u6570\u7b94\u653e\u5c04\u5316\u6cd5  \/p.15<\/p>\n\n\n\n

5. \u4e2d\u6027\u5b50\u306e\u81ea\u5df1\u906e\u853d\u4fc2\u6570\u306e\u6c42\u3081\u65b9  \/p.16<\/p>\n\n\n\n

5-1\uff0e\u71b1\u4e2d\u6027\u5b50\u306e\u81ea\u5df1\u906e\u853d  \/p.16<\/p>\n\n\n\n

5-1-1\uff0e\u677f\u72b6\u691c\u51fa\u5668\u306e\u5834\u5408  \/p.16<\/p>\n\n\n\n

5-1-2. \u5186\u67f1\u72b6\u691c\u51fa\u5668\u306e\u5834\u5408  \/p.16<\/p>\n\n\n\n

5-2. \u71b1\u5916\u4e2d\u6027\u5b50\u306e\u81ea\u5df1\u906e\u853d  \/p.17<\/p>\n\n\n\n

5-3. Cd\u30ab\u30d0\u30fc\u306b\u3088\u308b\u71b1\u5916\u4e2d\u6027\u5b50\u306e\u900f\u904e\u7387  \/p.17<\/p>\n\n\n\n

6. \u7d50\u679c\u3068\u8003\u5bdf  \/p.17<\/p>\n\n\n\n

\u8868 1\uff5e9  \/p.19-23<\/p>\n\n\n\n

\u56f3 2-1  \/p.24-26<\/p>\n\n\n\n

\u88dc\u8db3\u8aac\u660e  \/p.27-28<\/p>\n\n\n\n

\u4ed8\u9332   \/p.29<\/p>\n\n\n\n

\u53c2\u8003\u6587\u732e  \/p.30-31<\/p>\n\n\n\n

Contents<\/strong><\/p>\n\n\n\n

Chapter1. Measurement of the Neutron Flux Distributions in the Irradiation Capsules of Hydraulic Conveyer (Hyd) and Pneumatic Tubes (Pn) 1, 2 and 3<\/p>\n\n\n\n

Abstract   \/p.1<\/p>\n\n\n\n

1. Introduction   \/p.2<\/p>\n\n\n\n

2. Experimental  \/p.2<\/p>\n\n\n\n

2-1. In the Case of Hyd.  \/p.2<\/p>\n\n\n\n

2-2. In the Case of Pn.  \/p.2<\/p>\n\n\n\n

3. Results and Discussion  \/p.2<\/p>\n\n\n\n

3-1. In the Case of Hyd.\u00a0 \/p3<\/p>\n\n\n\n

3-2. In the Case of Pn.\u00a0 \/p3<\/p>\n\n\n\n

Figs. 1-1\uff5e1-11  \/p.3-8<\/p>\n\n\n\n

References  \/p.9<\/p>\n\n\n\n

Chapter 2. Measurement of the Epithermal Index and Westcott Thermal Neutron Flux<\/p>\n\n\n\n

Abstract  \/p.10<\/p>\n\n\n\n

1. Introduction  \/p.11<\/p>\n\n\n\n

2. Experimental  \/p.11<\/p>\n\n\n\n

2-1. Irradiation at Hyd  \/p.11<\/p>\n\n\n\n

2-2. Irradiation at Pn-2.  \/p.11<\/p>\n\n\n\n

2-3. Calculation of the Reaction Rate  \/p.11<\/p>\n\n\n\n

2-4. Measurement of\u03b3-Rays  \/p.12<\/p>\n\n\n\n

2-5. FEP Efficiency Correction for the Disklike \u03b3-Ray Sources  \/p.12<\/p>\n\n\n\n

2-6. Correction for the Self Absorption of\u03b3-Rays   \/p.12<\/p>\n\n\n\n

2-6-1. In the Case of Foils (0.483%Co-Al and 0.1143%Au-Al Foils)  \/p.12<\/p>\n\n\n\n

2-6-2. In the Case of Wires (0.11%Au-Al Wires)   \/p.13<\/p>\n\n\n\n

3. Westcott Effective Cross Section and the Thermal Neutron Flux   \/p.13<\/p>\n\n\n\n

4. Determination of the Epither\uff4dal Index  \/p.14<\/p>\n\n\n\n

4-1. The Cd-Ratio Method   \/p.14<\/p>\n\n\n\n

4-2. The Multiple Foil Activation Method  \/p.15<\/p>\n\n\n\n

5. Determination of the Self Shielding Coefficients for Neutrons  \/p.16<\/p>\n\n\n\n

5-1. Self Shielding for the Thermal Neutrons  \/p.16<\/p>\n\n\n\n

5-1-1. In the Case of Disklike Detectors  \/p.16<\/p>\n\n\n\n

5-1-2. In the case of Cylindrical Detectors  \/p.16<\/p>\n\n\n\n

5-2. Self Shielding for the Epithermal Neutrons  \/p.17<\/p>\n\n\n\n

5-3. Transmittance of the Epithermal Neutrons Through a Cd Cover  \/p.17<\/p>\n\n\n\n

6. Results and Discussion  \/p.17<\/p>\n\n\n\n

Tables 1\uff5e9  \/p.19 -23<\/p>\n\n\n\n

Figs. 2-1 \uff5e 2-6  \/p.24-26<\/p>\n\n\n\n

Supplementary Explanation  \/p.27-28<\/p>\n\n\n\n

Appendix   \/p.29<\/p>\n\n\n\n

References   \/p.30-31<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

KUR\u306e\u6c34\u5727\u8f38\u9001\u7ba1(Hyd) \u304a\u3088\u3073\u5727\u6c17\u8f38\u9001\u7ba1(Pn) \u7167\u5c04\u30ab\u30d7\u30bb\u30eb\u5185\u306e\u4e2d\u6027\u5b50\u675f\u5206\u5e03\u3001Epithermalindex, Westcott\u6d41\u71b1\u4e2d\u6027\u5b50\u675f\u306e\u6e2c\u5b9aMeasurement of the Neutron Flux D […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"12","format":"standard","meta":{"_uag_custom_page_level_css":"","_locale":"ja","_original_post":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/?p=4723","footnotes":""},"categories":[17],"tags":[],"class_list":["post-4723","post","type-post","status-publish","format-standard","hentry","category-technical-repprt","ja"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"nakatani","author_link":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/author\/nakatani\/"},"uagb_comment_info":0,"uagb_excerpt":"KUR\u306e\u6c34\u5727\u8f38\u9001\u7ba1(Hyd) \u304a\u3088\u3073\u5727\u6c17\u8f38\u9001\u7ba1(Pn) \u7167\u5c04\u30ab\u30d7\u30bb\u30eb\u5185\u306e\u4e2d\u6027\u5b50\u675f\u5206\u5e03\u3001Epithermalin…","_links":{"self":[{"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/posts\/4723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/comments?post=4723"}],"version-history":[{"count":2,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/posts\/4723\/revisions"}],"predecessor-version":[{"id":5176,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/posts\/4723\/revisions\/5176"}],"wp:attachment":[{"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/media?parent=4723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/categories?post=4723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/tags?post=4723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}