Development of proton beam irradiation system for the NA65/DsTau experiment
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2023
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| _version_ | 1866909158239895552 |
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| author | Aoki, Shigeki Ariga, Akitaka Ariga, Tomoko Charitonidis, Nikolaos Dmitrievsky, Sergey Dobre, Radu Firu, Elena Gornushkin, Yury Guler, Ali Murat Hayakawa, Daiki Kodama, Koichi Komatsu, Masahiro Kose, Umut Miloi, Madalina Mihaela Miura, Manato Nakamura, Mitsuhiro Nakano, Toshiyuki Neagu, Alina-Tania Okumura, Toranosuke Oz, Canay Rokujo, Hiroki Sato, Osamu Vasina, Svetlana Yoshida, Junya Yoshimoto, Masahiro Yuksel, Emin |
| author_facet | Aoki, Shigeki Ariga, Akitaka Ariga, Tomoko Charitonidis, Nikolaos Dmitrievsky, Sergey Dobre, Radu Firu, Elena Gornushkin, Yury Guler, Ali Murat Hayakawa, Daiki Kodama, Koichi Komatsu, Masahiro Kose, Umut Miloi, Madalina Mihaela Miura, Manato Nakamura, Mitsuhiro Nakano, Toshiyuki Neagu, Alina-Tania Okumura, Toranosuke Oz, Canay Rokujo, Hiroki Sato, Osamu Vasina, Svetlana Yoshida, Junya Yoshimoto, Masahiro Yuksel, Emin |
| contents | Tau neutrino is the least studied lepton of the Standard Model (SM). The NA65/DsTau experiment targets to investigate $D_s$, the parent particle of the $ν_τ$, using the nuclear emulsion-based detector and to decrease the systematic uncertainty of $ν_τ$ flux prediction from over 50% to 10% for future beam dump experiments. In the experiment, the emulsion detectors are exposed to the CERN SPS 400 GeV proton beam. To provide optimal conditions for the reconstruction of interactions, the protons are required to be uniformly distributed over the detector's surface with an average density of $10^5~\rm{cm^{-2}}$ and the fluctuation of less than 10%. To address this issue, we developed a new proton irradiation system called the target mover. The new target mover provided irradiation with a proton density of $0.98~\rm{cm^{-2}}$ and the density fluctuation of $2.0\pm 0.3$% in the DsTau 2021 run. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_13070 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Development of proton beam irradiation system for the NA65/DsTau experiment Aoki, Shigeki Ariga, Akitaka Ariga, Tomoko Charitonidis, Nikolaos Dmitrievsky, Sergey Dobre, Radu Firu, Elena Gornushkin, Yury Guler, Ali Murat Hayakawa, Daiki Kodama, Koichi Komatsu, Masahiro Kose, Umut Miloi, Madalina Mihaela Miura, Manato Nakamura, Mitsuhiro Nakano, Toshiyuki Neagu, Alina-Tania Okumura, Toranosuke Oz, Canay Rokujo, Hiroki Sato, Osamu Vasina, Svetlana Yoshida, Junya Yoshimoto, Masahiro Yuksel, Emin Instrumentation and Detectors Tau neutrino is the least studied lepton of the Standard Model (SM). The NA65/DsTau experiment targets to investigate $D_s$, the parent particle of the $ν_τ$, using the nuclear emulsion-based detector and to decrease the systematic uncertainty of $ν_τ$ flux prediction from over 50% to 10% for future beam dump experiments. In the experiment, the emulsion detectors are exposed to the CERN SPS 400 GeV proton beam. To provide optimal conditions for the reconstruction of interactions, the protons are required to be uniformly distributed over the detector's surface with an average density of $10^5~\rm{cm^{-2}}$ and the fluctuation of less than 10%. To address this issue, we developed a new proton irradiation system called the target mover. The new target mover provided irradiation with a proton density of $0.98~\rm{cm^{-2}}$ and the density fluctuation of $2.0\pm 0.3$% in the DsTau 2021 run. |
| title | Development of proton beam irradiation system for the NA65/DsTau experiment |
| topic | Instrumentation and Detectors |
| url | https://arxiv.org/abs/2303.13070 |