特集 加速器とハイパワー標的技術
J-PARCニュートリノ生成標的
2022 年 18 巻 4 号 p. 217-224
詳細
2022 年 18 巻 4 号 p. 217-224
The J-PARC neutrino production target was developed for the long-baseline neutrino experiment using the high intensity proton beam by J-PARC MR accelerator. It has been operational since 2009 with maximal beam power of 522 kW. Upgrades of the J-PARC MR and neutrino beam-line are currently ongoing to increase the beam power up to 1.3 MW. In this article, we describe the design concept of the neutrino production target, operation status so far, and target cooling system upgrade to accept the higher beam power.
