JP4124776B2 - パルスモード電離箱を用いた高エネルギー放射線束の測定方法 - Google Patents
パルスモード電離箱を用いた高エネルギー放射線束の測定方法 Download PDFInfo
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- JP4124776B2 JP4124776B2 JP2005100741A JP2005100741A JP4124776B2 JP 4124776 B2 JP4124776 B2 JP 4124776B2 JP 2005100741 A JP2005100741 A JP 2005100741A JP 2005100741 A JP2005100741 A JP 2005100741A JP 4124776 B2 JP4124776 B2 JP 4124776B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T3/00—Measuring neutron radiation
- G01T3/008—Measuring neutron radiation using an ionisation chamber filled with a gas, liquid or solid, e.g. frozen liquid, dielectric
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/185—Measuring radiation intensity with ionisation chamber arrangements
Description
Claims (7)
- 高エネルギー放射線束の測定方法であって、
高エネルギー放射線によって荷電イオンを形成することの可能な気体を充填した電離箱内の電極に、所定時間の間パルス電圧を印加し、
前記パルス電圧が前記電極に印加されている間に前記パルス電圧により誘導されるイオン電流に関連するイオン電流信号を測定し、
前記パルス電圧がオフになりイオンの移動が終止した後に漏れ電流信号を測定し、
前記イオン電流信号及び前記漏れ電流信号に基づいて前記高エネルギー放射線束の大きさを求める高エネルギー放射線束の測定方法。 - 前記高エネルギー放射線束の大きさを求める工程において、前記イオン電流信号から前記漏れ電流信号を減算する、請求項1に記載の高エネルギー放射線束の測定方法。
- 前記イオン電流信号及び前記漏れ電流信号の増幅器の利得を決める工程を更に備える請求項1に記載の高エネルギー放射線束の測定方法。
- 前記イオン電流信号の振幅及び前記漏れ電流信号の振幅の一方は、前記増幅器の利得に基づいて調整される請求項3に記載の高エネルギー放射線束の測定方法。
- 前記イオン電流信号から前記漏れ電流信号を減算する工程において、前記振幅調整されたイオン電流信号及び前記振幅調整された漏れ電流信号の一方が用いられる、請求項4に記載の高エネルギー放射線束の測定方法。
- 前記イオン電流信号及び前記漏れ電流信号の増幅器の利得を決める工程を更に備え、
前記高エネルギー放射線束の大きさは前記イオン電流信号と前記増幅器の利得に比例する、請求項1に記載の高エネルギー放射線束の測定方法。 - 前記利得を決める工程において、前記電極にパルス電圧を印加する、請求項6に記載の高エネルギー放射線束の測定方法。
Applications Claiming Priority (2)
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US10/815,157 US8223913B2 (en) | 2004-03-31 | 2004-03-31 | Method and apparatus for detecting high-energy radiation using a pulse mode ion chamber |
US11/049,360 US7368726B2 (en) | 2004-03-31 | 2005-02-02 | Method and apparatus for detecting high-energy radiation using a pulse mode ion chamber |
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JP2005292141A JP2005292141A (ja) | 2005-10-20 |
JP4124776B2 true JP4124776B2 (ja) | 2008-07-23 |
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JP2005100741A Active JP4124776B2 (ja) | 2004-03-31 | 2005-03-31 | パルスモード電離箱を用いた高エネルギー放射線束の測定方法 |
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US (1) | US7368726B2 (ja) |
EP (1) | EP1586918B1 (ja) |
JP (1) | JP4124776B2 (ja) |
CN (1) | CN100343694C (ja) |
CA (1) | CA2502799C (ja) |
DE (1) | DE602005016483D1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US7737401B2 (en) * | 2007-06-19 | 2010-06-15 | Thermo Fisher Scientific Inc. | Radiation measurement using multiple parameters |
US7791045B2 (en) * | 2007-08-21 | 2010-09-07 | The United States of America as represented by the Secretary of the Commerce, the National Institute of Standards and Technology | Apparatus and method for detecting slow neutrons by lyman alpha radiation |
FR2925700B1 (fr) * | 2007-12-24 | 2010-01-29 | Commissariat Energie Atomique | Dispositif de mesure de taux de comptage et dispositif d'etalonnage de chambre a fission associe |
KR20120105440A (ko) * | 2009-10-01 | 2012-09-25 | 이온빔 어플리케이션스 에스.에이. | 에너지 빔의 라인 제어를 위한 장치 및 방법 |
US8153988B2 (en) * | 2010-07-28 | 2012-04-10 | Ut-Battelle, Llc | Porous material neutron detector |
US8415638B2 (en) * | 2010-08-06 | 2013-04-09 | Thermo Fisher Scientific Inc. | Method for detecting high-energy radiation using low voltage optimized ion chamber |
CN103969677B (zh) * | 2013-01-25 | 2016-09-07 | 中国科学技术大学 | 基于Pulse-Current模式的宽动态范围中子通量测量系统及方法 |
CN104101895B (zh) * | 2013-04-09 | 2016-11-23 | 中国科学院高能物理研究所 | 中子探测器和中子探测方法 |
CN103267798B (zh) * | 2013-05-20 | 2015-07-15 | 中国工程物理研究院核物理与化学研究所 | 一种气体中高浓度氚测量装置及其测量方法 |
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US2581305A (en) * | 1943-09-15 | 1952-01-01 | Bell Telephone Labor Inc | Detection of electrically charged particles |
US2756345A (en) * | 1955-04-06 | 1956-07-24 | Jr Frank S Replogle | Acoustic ionization detector |
US2950387A (en) * | 1957-08-16 | 1960-08-23 | Bell & Howell Co | Gas analysis |
GB893907A (en) | 1959-04-10 | 1962-04-18 | Atomic Energy Authority Uk | Improvements in or relating to ionisation chamber circuits |
CH397883A (de) * | 1963-03-01 | 1965-08-31 | Foerderung Forschung Gmbh | Verfahren zur y-Kompensation einer Ionisationskammer |
US3319066A (en) * | 1964-10-29 | 1967-05-09 | Gernert William | Adjustable wide range radiation level alarm |
US3873840A (en) * | 1973-11-09 | 1975-03-25 | Us Navy | Gamma compensated pulsed ionization chamber wide range neutron/reactor power measurement system |
US3921012A (en) * | 1974-11-11 | 1975-11-18 | Mdh Ind Inc | Wide-range current-to-frequency converter |
US4086490A (en) * | 1976-07-07 | 1978-04-25 | Westinghouse Electric Corporation | Wide range neutron detection system |
US4103166A (en) * | 1977-02-14 | 1978-07-25 | General Electric Company | Method and apparatus for monitoring the output of a neutron detector |
EP0046632A1 (en) * | 1980-08-07 | 1982-03-03 | Imperial Chemical Industries Plc | Electronic circuit for Geiger-Müller gamma-ray detectors |
US4614635A (en) * | 1983-12-12 | 1986-09-30 | General Electric Company | Fission-couple neutron sensor |
CN85106814A (zh) * | 1985-09-11 | 1987-03-11 | 菲利浦光灯制造公司 | 电离室 |
US6889152B2 (en) * | 1997-12-24 | 2005-05-03 | Edward S. More | Method and apparatus for economical drift compensation in high resolution measurements |
US6353324B1 (en) * | 1998-11-06 | 2002-03-05 | Bridge Semiconductor Corporation | Electronic circuit |
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- 2005-03-30 DE DE602005016483T patent/DE602005016483D1/de active Active
- 2005-03-30 EP EP05006959A patent/EP1586918B1/en active Active
- 2005-03-30 CA CA2502799A patent/CA2502799C/en active Active
- 2005-03-31 CN CNB200510060075XA patent/CN100343694C/zh active Active
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CN1677127A (zh) | 2005-10-05 |
CA2502799A1 (en) | 2005-09-30 |
EP1586918A2 (en) | 2005-10-19 |
DE602005016483D1 (de) | 2009-10-22 |
JP2005292141A (ja) | 2005-10-20 |
CA2502799C (en) | 2012-03-13 |
EP1586918A3 (en) | 2006-04-12 |
US20050269501A1 (en) | 2005-12-08 |
EP1586918B1 (en) | 2009-09-09 |
US7368726B2 (en) | 2008-05-06 |
CN100343694C (zh) | 2007-10-17 |
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