Zobrazeno 1 - 10
of 59
pro vyhledávání: '"T K, Komatsubara"'
Autor:
C. Lin, Y. Luo, S. Suzuki, Y. C. Tung, T. Matsumura, Tetsushi Shimogawa, Y. Noichi, Y. B. Hsiung, Q. S. Lin, J. C. Redeker, N. Hara, K. Hanai, N. Shimizu, M. Isoe, Motoya Sasaki, S. Shinohara, J. L. Kim, T. Nunes, T. Inagaki, H. M. Kim, Hiroaki Watanabe, T. Yamanaka, T. Nomura, J. K. Ahn, Yasuhisa Tajima, R. Shiraishi, J. Sanchez, M. S. Farrington, K. Nakagiri, Y. W. Wah, Q. H. Vuong, T. K. Komatsubara, Hajime Nanjo, T. Toyoda, K. Dona, M. Ohsugi, Y. Sugiyama, L. Zaidenberg, S. Su, S. H. Chen, M. Hutcheson, M. Campbell, Toru Sato, D. Mcfarland, R. Murayama, Noboru Sasao, H. Haraguchi, I. Kamiji, Manabu Togawa, S. K. Lee, Koichi Sato, T. Shinkawa, K. Miyazaki, Jongmin Lee, N. McNeal, K. Shiomi, B. Beckford, K. Kotera, Takahiko Masuda, H. Nishimiya, Tsunehiko N. Kato, M. Taylor, T. Mari, M. Tecchio, Y. Sato, Eunja Kim, J. R. Comfort, Hiroshi Yoshida, G. Y. Lim, H. Okuno
Publikováno v:
Physical Review Letters. 126
The rare decay $K_L \!\to\! \pi^0 \nu \overline{\nu}$ was studied with the dataset taken at the J-PARC KOTO experiment in 2016, 2017, and 2018. With a single event sensitivity of $( 7.20 \pm 0.05_{\rm stat} \pm 0.66_{\rm syst} ) \times 10^{-10}$, thr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47fd87d430022ad784b67061dd832373
https://doi.org/10.1103/physrevlett.126.121801
https://doi.org/10.1103/physrevlett.126.121801
Autor:
J K, Ahn, B, Beckford, M, Campbell, S H, Chen, J, Comfort, K, Dona, M S, Farrington, K, Hanai, N, Hara, H, Haraguchi, Y B, Hsiung, M, Hutcheson, T, Inagaki, M, Isoe, I, Kamiji, T, Kato, E J, Kim, J L, Kim, H M, Kim, T K, Komatsubara, K, Kotera, S K, Lee, J W, Lee, G Y, Lim, Q S, Lin, C, Lin, Y, Luo, T, Mari, T, Masuda, T, Matsumura, D, Mcfarland, N, McNeal, K, Miyazaki, R, Murayama, K, Nakagiri, H, Nanjo, H, Nishimiya, Y, Noichi, T, Nomura, T, Nunes, M, Ohsugi, H, Okuno, J C, Redeker, J, Sanchez, M, Sasaki, N, Sasao, T, Sato, K, Sato, Y, Sato, N, Shimizu, T, Shimogawa, T, Shinkawa, S, Shinohara, K, Shiomi, R, Shiraishi, S, Su, Y, Sugiyama, S, Suzuki, Y, Tajima, M, Taylor, M, Tecchio, M, Togawa, T, Toyoda, Y-C, Tung, Q H, Vuong, Y W, Wah, H, Watanabe, T, Yamanaka, H Y, Yoshida, L, Zaidenberg
Publikováno v:
Physical review letters. 126(12)
The rare decay K_{L}→π^{0}νν[over ¯] was studied with the dataset taken at the J-PARC KOTO experiment in 2016, 2017, and 2018. With a single event sensitivity of (7.20±0.05_{stat}±0.66_{syst})×10^{-10}, three candidate events were observed i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::ac4478c97f4d77b2d417cce5e55bbc2b
https://pubmed.ncbi.nlm.nih.gov/33834796
https://pubmed.ncbi.nlm.nih.gov/33834796
Autor:
Hajime Nanjo, D. Mcfarland, Y. Luo, S. Suzuki, T. Shinkawa, Hiroshi Yoshida, Q. S. Lin, J. C. Redeker, T. Yamanaka, R. Shiraishi, Y. C. Tung, N. Hara, H. Haraguchi, K. Shiomi, M. Taylor, S. H. Chen, C. Lin, H. M. Kim, M. Campbell, J. K. Ahn, B. Beckford, T. Mari, M. S. Farrington, H. Okuno, T. Matsumura, T. Inagaki, T. Nomura, S. Shinohara, T. K. Komatsubara, I. Kamiji, N. McNeal, J. L. Kim, Manabu Togawa, K. Nakagiri, H. Nishimiya, J. R. Comfort, Hiroaki Watanabe, Y. Sato, T. Toyoda, Y. Sugiyama, Y. Noichi, S. Su, M. Isoe, Y. W. Wah, N. Shimizu, Eunja Kim, T. Nunes, T. Shimogawa, M. Tecchio, R. Murayama, K. Kotera, Toru Sato, Jongmin Lee, K. Dona, M. Hutcheson, Yasuhisa Tajima, Q. H. Vuong, Koichi Sato, G. Y. Lim, Y. B. Hsiung, K. Miyazaki, J. M. Choi, M. Ohsugi
Publikováno v:
Physical Review
We report the first search for the KL→π0γ decay, which is forbidden by Lorentz invariance, using the data from 2016 to 2018 at the J-PARC KOTO experiment. With a single event sensitivity of (7.1±0.3stat±1.6syst)×10−8, no candidate event was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b17ae4d7d473c66d85f6ac6942c4d645
http://repo.scoap3.org/api
http://repo.scoap3.org/api
Autor:
J. W. Ko, Y. J. Kim, M. Taylor, T. Mari, M. Tecchio, Yusuke T. Maeda, Toshio Masuda, Y. W. Wah, K. Kotera, N. McNeal, Y. C. Tung, Tetsushi Shimogawa, S. Su, Jessie Micallef, N. Kawasaki, J. K. Woo, K. Bryant, J. Beechert, C. Lin, Y. Sato, J. K. Ahn, T. K. Komatsubara, I. Kamiji, Y. B. Hsiung, S. H. Chen, M. Ohsugi, Motoya Sasaki, Manabu Togawa, Eunja Kim, S. Shinohara, G. Y. Lim, Hiroshi Yoshida, J. R. Comfort, T. Inagaki, H. Okuno, A. S. Kurilin, K. Dona, K. Miyazaki, Jongmin Lee, K. Shiomi, J. L. Kim, Toru Sato, Y. Luo, S. Suzuki, H. Schamis, M. Hutcheson, Koichi Sato, S. Seki, D. Naito, Y. Sugiyama, Noboru Sasao, H. Haraguchi, K. Nakagiri, T. Nomura, N. Hara, M. Campbell, D. Mcfarland, H. Nishimiya, T. Shinkawa, Q. S. Lin, T. Yamanaka, T. Matsumura, Hiroaki Watanabe, J. Ma, N. Shimizu, R. Murayama, Hajime Nanjo, Yasuhisa Tajima, B. Beckford
Publikováno v:
Physical Review Letters. 122
A search for the rare decay K_{L}→π^{0}νν[over ¯] was performed. With the data collected in 2015, corresponding to 2.2×10^{19} protons on target, a single event sensitivity of (1.30±0.01_{stat}±0.14_{syst})×10^{-9} was achieved and no candi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fb4f78152f4e107d854f5f8f6a9f48c
https://doi.org/10.1103/physrevlett.122.021802
https://doi.org/10.1103/physrevlett.122.021802
Autor:
R. Murayama, J. Ma, Hajime Nanjo, J. K. Ahn, K. Shiomi, N. Whallon, S. K. Lee, Hiroshi Yoshida, Takahiko Masuda, Yasuhisa Tajima, S. Suzuki, C. Lin, Tetsushi Shimogawa, Y. D. Ri, J. L. Kim, T. Matsumura, J. R. Comfort, A. S. Kurilin, D. Mcfarland, K. Sato, S. Banno, Y. Nakaya, Hiroaki Watanabe, T. Shinkawa, Y. Sugiyama, T. Nomura, G. Takahashi, Q. S. Lin, J. C. Redeker, Y. B. Hsiung, Y. T. Duh, E. Iwai, T. Hineno, T. Yamanaka, S. Su, J. Xu, B. Beckford, S. Shinohara, N. Kawasaki, Eunja Kim, Y. Yanagida, S. H. Chen, D. Naito, K. Nakagiri, G. Y. Lim, H. Yoshimoto, Y. Takashima, Yusuke T. Maeda, J. K. Woo, Michael Campbell, Y. Luo, Y. C. Tung, J. W. Ko, M. Tecchio, Y. J. Kim, Noboru Sasao, M. Hutcheson, S. Seki, Y. W. Wah, Y. Odani, Jongmin Lee, T. K. Komatsubara, I. Kamiji, Manabu Togawa
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 987:164825
A pulse shape difference between photons and neutrons was observed in the output signals of scintillation light from the un-doped CsI calorimeter of the KOTO experiment for the K L → π 0 ν ν decay. We developed a discrimination method to reject
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7723922ee013ccc87a09f38df6aef9c
https://doi.org/10.1016/j.nima.2020.164825
https://doi.org/10.1016/j.nima.2020.164825
Autor:
Y. Nakaya, R. Murayama, H. Yokota, E. Iwai, T. Nomura, Hajime Nanjo, Y. W. Wah, Takahiko Masuda, K. Shiomi, S. Banno, Misao Sasaki, D. Mcfarland, T. K. Komatsubara, Manabu Togawa, T. Shinkawa, Noboru Sasao, J. R. Comfort, Y. Sugiyama, T. Furukawa, Jongmin Lee, M. Tecchio, Tetsushi Shimogawa, G.Y. Lim, Y. D. Ri, Yasuhisa Tajima, K. Sato, S. Seki, T. Matsumura, Hiroaki Watanabe, T. Yamanaka, S. Suzuki, H. Yoshimoto, Y. Odani, Yusuke T. Maeda, Michael Campbell, N. Kawasaki, Y. Yanagida, J. Xu, T. Ota, D. Naito
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 982:164527
An electromagnetic calorimeter made of undoped CsI crystals is used in the J-PARC KOTO experiment to search for new physics beyond the standard model with the K L → π 0 ν ν decay. The calorimeter is designed to operate in vacuum of 0.1 Pa and in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::236b105b50bedb77f590a8b23bd7e404
https://doi.org/10.1016/j.nima.2020.164527
https://doi.org/10.1016/j.nima.2020.164527
Autor:
K. Shiomi, T. Toyoda, Eunja Kim, M. Isoe, Hajime Nanjo, R. Murayama, T. Matsumura, T. Nomura, G.Y. Lim, Toru Sato, Taku Yamanaka, H. Okuno, Hiroaki Watanabe, J. K. Ahn, K. Miyazaki, T. Inagaki, J. L. Kim, Yasuhisa Tajima, E. Pod, Y. W. Wah, J. R. Comfort, T. K. Komatsubara, I. Kamiji, Manabu Togawa
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 953:163255
The J-PARC KOTO experiment aims to explore new physics beyond the Standard Model through the K L → π 0 ν ν ¯ decay. We installed a new photon-veto detector, named the Inner Barrel (IB), to improve the detection efficiency and the timing resolut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9aa44f5e5aaa743913b8160d33098c41
https://doi.org/10.1016/j.nima.2019.163255
https://doi.org/10.1016/j.nima.2019.163255
Autor:
J K, Ahn, B, Beckford, J, Beechert, K, Bryant, M, Campbell, S H, Chen, J, Comfort, K, Dona, N, Hara, H, Haraguchi, Y B, Hsiung, M, Hutcheson, T, Inagaki, I, Kamiji, N, Kawasaki, E J, Kim, J L, Kim, Y J, Kim, J W, Ko, T K, Komatsubara, K, Kotera, A S, Kurilin, J W, Lee, G Y, Lim, C, Lin, Q, Lin, Y, Luo, J, Ma, Y, Maeda, T, Mari, T, Masuda, T, Matsumura, D, Mcfarland, N, McNeal, J, Micallef, K, Miyazaki, R, Murayama, D, Naito, K, Nakagiri, H, Nanjo, H, Nishimiya, T, Nomura, M, Ohsugi, H, Okuno, M, Sasaki, N, Sasao, K, Sato, T, Sato, Y, Sato, H, Schamis, S, Seki, N, Shimizu, T, Shimogawa, T, Shinkawa, S, Shinohara, K, Shiomi, S, Su, Y, Sugiyama, S, Suzuki, Y, Tajima, M, Taylor, M, Tecchio, M, Togawa, Y C, Tung, Y W, Wah, H, Watanabe, J K, Woo, T, Yamanaka, H Y, Yoshida
Publikováno v:
Physical review letters. 122(2)
A search for the rare decay K_{L}→π^{0}νν[over ¯] was performed. With the data collected in 2015, corresponding to 2.2×10^{19} protons on target, a single event sensitivity of (1.30±0.01_{stat}±0.14_{syst})×10^{-9} was achieved and no candi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::2fe32563703759f5d53187549e46c3cc
https://pubmed.ncbi.nlm.nih.gov/30720307
https://pubmed.ncbi.nlm.nih.gov/30720307
Autor:
Jongmin Lee, T. Nomura, H. Yokota, Hiroaki Watanabe, Y. W. Wah, E. Iwai, K. Shiomi, T. Matsumura, T. K. Komatsubara, Manabu Togawa, S. Suzuki, Takahiko Masuda, J. Ma, T. Shinkawa, G.Y. Lim, Y. Odani, Hajime Nanjo, Y. Sugiyama, T. Yamanaka, Y. D. Ri
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 795:19-31
The Outer-Edge Veto (OEV) counter subsystem for extra-photon detection from the backgrounds for the? $K^0_L\rightarrow\pi^0\nu\bar{\nu}$ decay is located at the outer edge of the endcap CsI calorimeter of the KOTO experiment at J-PARC. The subsystem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3df3da33eaae2f7f8167f149212b9243
https://doi.org/10.1016/j.nima.2015.05.036
https://doi.org/10.1016/j.nima.2015.05.036
Autor:
Jongmin Lee, K. Shiomi, Y. Sugiyama, Hiroaki Watanabe, N. Kawasaki, G.Y. Lim, E. Iwai, E.J. Kim, Y. D. Ri, T. Yamanaka, Hajime Nanjo, T. Nomura, S. Seki, T. K. Komatsubara, D. Naito, Manabu Togawa, Takahiko Masuda, Noboru Sasao, Yosuke Maeda, K. Sato
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 746:11-19
We developed a high voltage system for the electromagnetic calorimeter of the KOTO detector. The system is designed around a low noise, low power Cockcroft–Walton (CW) photomultiplier tube base with a high gain preamplifier. The low power makes it
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a485962c1d750b8f0dbc3cfdd6a60a76
http://hdl.handle.net/2433/185337
http://hdl.handle.net/2433/185337