Σp scattering experiment at J-PARC – results of commissioning run

DOI：

10.1063/1.5118374

发表时间：

2019-07

期刊：

CENTRAL EUROPEAN SYMPOSIUM ON THERMOPHYSICS 2019 (CEST)

影响因子：

通讯作者：

中科院分区：

其他

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作者：

K. Miwa;J. Ahn;Y. Akazawa;T. Aramaki;S. Ashikaga;S. Callier;N. Chiga;S. Choi;H. Ekawa;P. Evtoukhovitch;N. Fujioka;M. Fujita;S. Hasegawa;S. Hayakawa;R. Honda;S. Hoshino;K. Hosomi;M. Ichikawa;Y. Ichikawa;M. Ieiri;M. Ikeda;K. Imai;Y. Ishikawa;S. Ishimoto;W. Jung;H. Kanauchi;H. Kanda;B. Kang;H. Kawai;S. Kim;K. Kobayashi;T. Koike;K. Matsuda;Y. Matsumoto;R. Nagatomi;Y. Nakada;M. Nakagawa;I. Nakamura;T. Nanamura;M. Naruki;S. Ozawa;L. Raux;A. Sakaguchi;H. Sako;S. Sato;T. Shiozaki;K. Shirotori;K. Suzuki;S. Suzuki;M. Tabata;C. Taille;H. Takahashi;T. Takahashi;Toshiyuki Takahashi;H. Tamura;Z. Tsamalaidze;H. Umetsu;M. Ukai;Takeshi. O. Yamamoto;K. Yoshimura

Σp散射实验今年(2018年)刚刚在J-PARC开始。我们实现了“Σ束流工厂”，用20M/Σ−的π−束流可以生产出强度大于5×10~5束/天的束流。CATCH系统是一种探测Σp散射反冲质子的专用系统，在高计数率下稳定运行，并通过识别J-PARC中的pp散射事件证实了它的成功。在6月份的束流时间中，Σ−p散射的生产运行了2天，仅为所需束流时间的10%。Σ−p通道和Σ+p通道的剩余束流时间将发生在2019年春季。

The Σp scattering experiment has just been started at J-PARC this year (2018). We made ”Σ beam factory” a reality where a beam with an intensity of more than 5 × 105 Σ− beam per day could be produced by using 20 M/spill π− beam. The CATCH system, which is a dedicated system to detect recoil proton from the Σp scattering, operated stably under the high counting rate, and its successful operation was confirmed by identifying the pp scattering events in J-PARC. In the June beam time, the production run of the Σ− p scattering was carried out for 2 days, which was just 10% of the requested beam time. The remaining beam time of the Σ− p channel and the Σ+ p channel will take place in the spring of 2019.

Σp scattering experiment at J-PARC – results of commissioning run –

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