Test of QCD by means of the measurement of the pion scattering length
Test of QCD by means of the measurement of the pion scattering length
批准号:
11440082
负责人:
TAKEUTCHI Fujio
金额:
$4.99万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
1999
资助国家:
日本
项目状态:
已结题
起止时间:
1999 至 2001
中文摘要
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英文摘要
The principal objective of this study is to carry out the PS212 experiment at CERN (DIRAC). The aim of the experiment is to find out the pi-pi scattering length by measuring the life-time of the A_<2π> atom, and compare it with the theoretical value precisely obtained from the QCD.The experiment was approved in 1996, and since then the Japanese group takes care of the fabrication and maintenance of the topological trigger device to pick up the specific pion pairs in the very intense beam. The data taking has started in 1999. Since then the data taking continues, and the expected statics will be achieved in the next year. The data analysis is also parallelly in progress, and we expect to publish the experimental result soon.In addition to the data-taking, improvement of the spectrometer in order to measure the K-pi scattering length is also studied.
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L. Afanasyev, et al.: "The multilevel trigger system of the DIRAC experiment"Nucl. Instrum. Meth.. A491. 376-389 (2002)
L. Afanasyev 等:“DIRAC 实验的多级触发系统”Nucl。
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M. Kobayashi: "Test of low energy predictions of QCD from measurement of the lifetime of p^+p^--atoms (DIRAC experiment),Proc. Workshop on chiral dynamics in particle and nuclear physics. Dec."KEK. (1999)
M. Kobayashi:“通过测量 p^ p^--atoms 的寿命来测试 QCD 的低能预测(DIRAC 实验),Proc. 粒子和核物理手性动力学研讨会。12 月”KEK。
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A.Gorin et al.: "SCINTILLATING FIBER HODOSCOPES FOR DIRAC AND COMPASS EXPERIMENTS"Czechoslovak Journal of Physics. 49Suppl. S2 (1999)
A.Gorin 等人:“狄拉克和罗盘实验的闪烁纤维视镜”捷克斯洛伐克物理学杂志。
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A.Gorin et al.: "PRELIMINARY STUDY OF A TOPOLOGICAL TRIGGER DEVICE FOR COSMIC-RAY DETECTORS"Nucl.Instrum.Meth. A421. 60-68 (1999)
A.Gorin 等人:“宇宙射线探测器拓扑触发装置的初步研究”Nucl.Instrum.Meth。
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A.Gorin et al.: "Peak-sensing discriminator for multichannel detectors with cross-talk"Nucl.Instrum.Meth.in Phys.Res.. A452. 280-288 (2000)
A.Gorin 等人:“带串扰的多通道检测器的峰值感应鉴别器”Nucl.Instrum.Meth.in Phys.Res.. A452。
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共 27 条
Measurement of the life-time of Kπatom and its Lamb-shift-Test of QCD in the non-perturvative region by extended DIRAC experiment
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批准号:21540306
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项目类别:Grant-in-Aid for Scientific Research (C)
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资助金额:$2.83万
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财政年份:2009
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负责人:TAKEUTCHI Fujio
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依托单位:
Test of non-perturbative QCD by means of the measurement of Kπ scattering length -Extension of DIRAC experiment-
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批准号:14340079
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$9.22万
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财政年份:2002
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负责人:TAKEUTCHI Fujio
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依托单位:
Measurement of the scattering length of pions and the test of QCD
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批准号:11694099
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项目类别:Grant-in-Aid for Scientific Research (B).
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资助金额:$3.84万
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财政年份:1999
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负责人:TAKEUTCHI Fujio
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依托单位:
Experimental Study of the H-particle
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批准号:01044132
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项目类别:Grant-in-Aid for international Scientific Research
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资助金额:$6.46万
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财政年份:1989
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负责人:TAKEUTCHI Fujio
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依托单位: