The graphite target for J-PARC neutrino beam-line

被引：2
|
作者：
Nakadaira, T. [1 ]
机构：
[1] High Energy Accelerator Res Org KEK, J PARC Ctr, Inst Particle & Nucl Phys Studies, Tsukuba, Ibaraki 3050801, Japan
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2015年 / 305卷 / 03期
关键词：
Accelerator-based neutrino beam; High power target; High intensity proton accelerator;
D O I：
10.1007/s10967-015-4120-7
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The graphite target of the J-PARC neutrino beam-line for the long base-line neutrino-oscillation experiment, T2K is developed. The graphite target is designed to withstand the exposure of high intensity protons beam from J-PARC accelerator. The Helium gas cooling is adopted to minimize the radiation damage of the graphite. J-PARC neutrino beam-line is operated from April 2009. The first target was used for 6.7 x 10(20) protons-on-target without significant trouble, while the maximum number of protons per pulse is 1.2 x 10(20) with 2.48 s cycle.
引用
收藏
页码：777 / 782
页数：6
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