New Intiative on Search for Muon Lepton Flavor Violation with Highly Intense Muon Source
利用高强度 μ 子源寻找 μ 子轻子风味违规的新举措
基本信息
- 批准号:13304019
- 负责人:
- 金额:$ 28.7万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (A)
- 财政年份:2001
- 资助国家:日本
- 起止时间:2001 至 2002
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This research is to carry out R&D for an experiment searching for the muon-electron conversion process, in which the muon lepton flavor is violated. Especially, we focused on development of an electron tracking detector (electron tracker), since the measurement of electron's momentum is critical for the experiment. This electron tracker is made of pelyimide straw tubes (25μm thickness) with a Tungsten wire strung at the center of the tube. It is called a "straw gas chamber". The hit position of charged particles along the anode wire is evaluated from induced charges read by copper strips placed exterior of the tube. To make this possible, a straw tube should have finite resistance. We developed such a tube for our purpose. The straw tube we used was a seamless one that was developed in Japan. We succeeded to fabricate straw tube chambers with 30 straw tubes. Then, we performed a beam test of the chambers at KEK in May 2002. We confirmed that the spatial resolution of the chamber is sufficient enough for our purpose.In addition, we also developed a scintillating fiber tracker with 300μm fiber. We employed multi-anode photomultipliers for readout. The beam test was performed at KEK in December 2002. Both the spatial and time resolutions of the tracker were found to meet the requirements.From those studies, we conclude that our development of the tracker system for the muon-electron conversion experiment is feasible.
本研究旨在开展一项实验研究,寻找违反了Muon轻子味道的Muon-Electronics转换过程。尤其是电子跟踪探测器(电子跟踪器)的研制,因为电子动量的测量是实验的关键。这种电子跟踪器是由聚酰亚胺稻草管(厚度25μm)制成的,管的中央挂着一根钨丝。它被称为“稻草毒气室”。通过放置在管子外部的铜条读取的感应电荷来评估带电粒子沿阳极线的命中位置。为了实现这一点,吸管应该具有有限的阻力。我们为我们的目的开发了这样一种管子。我们用的是日本研发的无缝管。我们成功地用30根稻草管制作了稻草管室。然后,我们在2002年5月对KEK的暗室进行了束流测试。此外,我们还研制了一台300μm光纤的闪烁光纤跟踪器。我们采用多阳极光电倍增管进行读出。束流测试于2002年12月在KEK进行。实验结果表明,该跟踪器的空间分辨率和时间分辨率均满足要求,说明我们研制的Muon-Electronics转换实验跟踪器系统是可行的。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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KUNO Yoshitaka其他文献
KUNO Yoshitaka的其他文献
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{{ truncateString('KUNO Yoshitaka', 18)}}的其他基金
Search for Muon Lepton Flavour Violation with High Intensity Muon Beam
用高强度 μ 子束寻找 μ 子轻子味道违规
- 批准号:
25000004 - 财政年份:2013
- 资助金额:
$ 28.7万 - 项目类别:
Grant-in-Aid for Specially Promoted Research
New International Initiative on Muon Ionization Cooling
介子电离冷却国际新倡议
- 批准号:
20244029 - 财政年份:2008
- 资助金额:
$ 28.7万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
A Study of A Super Muon Beam for New Initiative on Muon Physics
超μ子束的研究为μ子物理新进展
- 批准号:
15GS0211 - 财政年份:2003
- 资助金额:
$ 28.7万 - 项目类别:
Grant-in-Aid for Creative Scientific Research
International Study of Ultra High-Energy Particle Beams
超高能粒子束的国际研究
- 批准号:
11691134 - 财政年份:1999
- 资助金额:
$ 28.7万 - 项目类别:
Grant-in-Aid for Scientific Research (A).
SEARCH FOR T-VIOLATION IN B DECAYS
搜索 B 衰变中的 T 破坏
- 批准号:
07454057 - 财政年份:1995
- 资助金额:
$ 28.7万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Study of Undoped CsI or BaF_2 Calorimeter with wavelength shifter readout
具有波长移位读出功能的未掺杂CsI或BaF_2量热计的研究
- 批准号:
05640364 - 财政年份:1993
- 资助金额:
$ 28.7万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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