Short-range test of the universality of gravitational constant $G$ at the millimeter scale using a digital image sensor

Autor: Ninomiya, K., Akiyama, T., Hata, M., Hatori, M., Iguri, T., Ikeda, Y., Inaba, S., Kawamura, H., Kishi, R., Murakami, H., Nakaya, Y., Nishio, H., Ogawa, N., Onishi, J., Saiba, S., Sakuta, T., Tanaka, S., Tanuma, R., Totsuka, Y., Tsutsui, R., Watanabe, K., Murata, J.

Publikováno v: Class. Quantum Grav. 34 185005, 2017

The composition dependence of gravitational constant $G$ is measured at the millimeter scale to test the weak equivalence principle, which may be violated at short range through new Yukawa interactions such as the dilaton exchange force. A torsion ba

Externí odkaz: http://arxiv.org/abs/1708.01482

A new search for the $K_{L} \to \pi^0 \nu \overline{\nu}$ and $K_{L} \to \pi^{0} X^{0}$ decays

Autor: Ahn, J. K., Baek, K. Y., Banno, S., Beckford, B., Brubaker, B., Cai, T., Campbell, M., Carruth, C., Chen, S. H., Chu, S., Comfort, J., Duh, Y. T., Furukawa, T., Haraguchi, H., Hineno, T., Hsiung, Y. B., Hutcheson, M., Inagaki, T., Isoe, M., Iwai, E., Kamibayashi, T., Kamiji, I., Kawasaki, N., Kim, E. J., Kim, Y. J., Ko, J. W., Komatsubara, T. K., Kurilin, A. S., Lee, G. H., Lee, H. S., Lee, J. W., Lee, S. K., Lim, G. Y., Lin, C., Ma, J., Maeda, Y., Masuda, T., Matsumura, T., Mcfarland, D., Micallef, J., Miyazaki, K., Morgan, K., Murayama, R., Naito, D., Nakagiri, K., Nakajima, Y., Nakaya, Y., Nanjo, H., Nomura, T., Odani, Y., Ogata, R., Okuno, H., Ota, T., Ri, Y. D., Sasaki, M., Sasao, N., Sato, K., Sato, T., Seki, S., Shimogawa, T., Shinkawa, T., Shinohara, S., Shiomi, K., Son, J. S., Stevens, J., Su, S., Sugiyama, Y., Suzuki, S., Tajima, Y., Takahashi, G., Takashima, Y., Tecchio, M., Teo, I., Togawa, M., Toyoda, T., Tung, Y. C., Usuki, T., Wah, Y. W., Watanabe, H., Whallon, N., Woo, J. K., Xu, J., Yamaga, M., Yamamoto, S., Yamanaka, T., Yamauchi, H., Yanagida, Y., Yokota, H., Yoshida, H. Y., Yoshimoto, H.

Publikováno v: Prog. Theor. Exp. Phys. (2017) 021C01

We searched for the $CP$-violating rare decay of neutral kaon, $K_{L} \to \pi^0 \nu \overline{\nu}$, in data from the first 100 hours of physics running in 2013 of the J-PARC KOTO experiment. One candidate event was observed while $0.34\pm0.16$ backg

Externí odkaz: http://arxiv.org/abs/1609.03637

Long-lived neutral-kaon flux measurement for the KOTO experiment

Autor: Masuda, T., Ahn, J. K., Banno, S., Campbell, M., Comfort, J., Duh, Y. T., Hineno, T., Hsiung, Y. B., Inagaki, T., Iwai, E., Kawasaki, N., Kim, E. J., Kim, Y. J., Ko, J. W., Komatsubara, T. K., Kurilin, A. S., Lee, G. H., Lee, J. W., Lee, S. K., Lim, G. Y., Ma, J., MacFarland, D., Maeda, Y., Matsumura, T., Murayama, R., Naito, D., Nakaya, Y., Nanjo, H., Nomura, T., Odani, Y., Okuno, H., Ri, Y. D., Sasao, N., Sato, K., Sato, T., Seki, S., Shimogawa, T., Shinkawa, T., Shiomi, K., Son, J. S., Sugiyama, Y., Suzuki, S., Tajima, Y., Takahashi, G., Takashima, Y., Tecchio, M., Togawa, M., Toyoda, T., Tung, Y. C., Wah, Y. W., Watanabe, H., Woo, J. K., Xu, J., Yamanaka, T., Yanagida, Y., Yoshida, H. Y., Yoshimoto, H.

Publikováno v: Prog. Theor. Exp. Phys. 2016, 013C03

The KOTO ($K^0$ at Tokai) experiment aims to observe the CP-violating rare decay $K_L \rightarrow \pi^0 \nu \bar{\nu}$ by using a long-lived neutral-kaon beam produced by the 30 GeV proton beam at the Japan Proton Accelerator Research Complex. The $K

Externí odkaz: http://arxiv.org/abs/1509.03386

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Performance study of a prototype pure CsI calorimeter for the KOTO experiment

Autor: Iwai, E., Lee, J.W., Masuda, T., McFarland, D., Nakaya, Y., Ri, Y.D., Sato, K., Shiomi, K., Sugiyama, Y., Tajima, Y., Tecchio, M., Togawa, M., Tung, Y.C., Yamanaka, T.

Publikováno v: In Nuclear Inst. and Methods in Physics Research, A 21 June 2015 786:135-141