Zobrazeno 1 - 10
of 351
pro vyhledávání: '"Morra O."'
Autor:
Yamaga, T., Ajimura, S., Asano, H., Beer, G., Bhang, H., Bragadireanu, M., Buehler, P., Busso, L., Cargnelli, M., Choi, S., Curceanu, C., Enomoto, S., Fujioka, H., Fujiwara, Y., Fukuda, T., Guaraldo, C., Hashimoto, T., Hayano, R. S., Hiraiwa, T., Iio, M., Iliescu, M., Inoue, K., Ishiguro, Y., Ishikawa, T., Ishimoto, S., Itahashi, K., Iwai, M., Iwasaki, M., Kanno, K., Kato, K., Kato, Y., Kawasaki, S., Kienle, P., Kou, H., Ma, Y., Marton, J., Matsuda, Y., Mizoi, Y., Morra, O., Murayama, R., Nagae, T., Noumi, H., Ohnishi, H., Okada, S., Outa, H., Piscicchia, K., Sada, Y., Sakaguchi, A., Sakuma, F., Sato, M., Scordo, A., Sekimoto, M., Shi, H., Shirotori, K., Sirghi, D., Sirghi, F., Suzuki, S., Suzuki, T., Tanida, K., Tatsuno, H., Tokuda, M., Tomono, D., Toyoda, A., Tsukada, K., Doce, O. Vazquez, Widmann, E., Yamazaki, T., Yim, H., Zhang, Q., Zmeskal, J.
We conducted measurements of $K^- + {^3{\rm He}} \to \pi \!Y \!N + N'$ reactions using a $1~{\rm GeV}/c$ $K^-$-beam, with the objective of understanding the broad decay width of $\bar{K} \!N \!N$ (approximately twice as broad as that of $\Lambda(1405
Externí odkaz:
http://arxiv.org/abs/2404.01773
Autor:
Collaboration, J-PARC E31, Aikawa, S., Ajimura, S., Akaishi, T., Asano, H., Beer, G., Berucci, C., Bragadireanu, M., Buehler, P., Busso, L., Cargnelli, M., Choi, S., Curceanu, C., Enomoto, S., Fujioka, H., Fujiwara, Y., Fukuda, T., Guaraldo, C., Hashimoto, T., Hayano, R. S., Hiraiwa, T., Iio, M., Iliescu, M., Inoue, K., Ishiguro, Y., Ishimoto, S., Ishikawa, T., Itahashi, K., Iwai, M., Iwasaki, M., Kanno, K., Kato, K., Kato, Y., Kawasaki, S., Kienle, P., Komatsu, Y., Kou, H., Ma, Y., Marton, J., Matsuda, Y., Mizoi, Y., Morra, O., Murayama, R., Nagae, T., Noumi, H., Ohnishi, H., Okada, S., Omar, Z., Outa, H., Piscicchia, K., Sada, Y., Sakaguchi, A., Sakuma, F., Sato, M., Scordo, A., Sekimoto, M., Shi, H., Shirotori, K., Sirghi, D., Sirghi, F., Suzuki, K., Suzuki, S., Suzuki, T., Tanida, K., Tatsuno, H., Tokiyasu, A. O., Tokuda, M., Tomono, D., Toyoda, A., Tsukada, K., Vazquez-Doce, O., Widmann, E., Yamaga, T., Yamazaki, T., Yim, H., Zhang, Q., Zmeskal, J.
We measured a set of $\pi^\pm\Sigma^\mp$, $\pi^0\Sigma^0$, and $\pi^-\Sigma^0$ invariant mass spectra below and above the $\bar{K}N$ mass threshold in $K^-$-induced reactions on deuteron. We deduced the $S$-wave $\bar{K}N\rightarrow\pi\Sigma$ and $\b
Externí odkaz:
http://arxiv.org/abs/2209.08254
Autor:
Sakuma, F., Ajimura, S., Akaishi, T., Asano, H., Bazzi, M., Beer, G., Bhang, H., Bragadireanu, M., Buehler, P., Busso, L., Cargnelli, M., Choi, S., Clozza, A., Curceanu, C., Enomoto, S., Fujioka, H., Fujiwara, Y., Fukuda, T., Guaraldo, C., Hashimoto, T., Hayano, R. S., Hiraiwa, T., Iio, M., Iliescu, M., Inoue, K., Ishiguro, Y., Ishikawa, T., Ishimoto, S., Itahashi, K., Iwasaki, M., Iwai, M., Kanno, K., Kato, K., Kato, Y., Kawasaki, S., Kienle, P., Kou, H., Ma, Y., Marton, J., Matsuda, Y., Miliucci, M., Mizoi, Y., Morra, O., Murayama, R., Nagae, T., Noumi, H., Ohnishi, H., Okada, S., Outa, H., Ozawa, K., Piscicchia, K., Sada, Y., Sakaguchi, A., Sato, M., Scordo, A., Sekimoto, M., Shi, H., Shirotori, K., Simon, M., Sirghi, D., Sirghi, F., Suzuki, S., Suzuki, T., Tanida, K., Tatsuno, H., Tokuda, M., Tomono, D., Toyoda, A., Tsukada, K., Doce, O. Vázquez, Widmann, E., Yamaga, T., Yamazaki, T., Yoshida, C., Zhang, Q., Zmeskal, J.
$\bar K$-nuclear bound systems, kaonic nuclei, have been widely discussed as products of the strongly attractive $\bar K N$ interaction in $I = 0$ channels. Recently, we demonstrated that kaonic nuclei can be produced via in-flight $(K^-,N)$ reaction
Externí odkaz:
http://arxiv.org/abs/2110.03150
Autor:
Hashimoto T., Ajimura S., Beer G., Bhang H., Bragadireanu M., Buehler P., Busso L., Cargnelli M., Choi S., Curceanu C., Enomoto S., Faso D., Fujioka H., Fujiwara Y., Fukuda T., Guaraldo C., Hayano R. S., Hiraiwa T., Iio M., Iliescu M., Inoue K., Ishiguro Y., Ishikawa T., Ishimoto S., Ishiwatari T., Itahashi K., Iwai M., Iwasaki M., Kato Y., Kawasaki S., Kienle P., Kou H., Ma Y., Marton J., Matsuda Y., Mizoi Y., Morra O., Nagae T., Noumi H., Ohnishi H., Okada S., Outa H., Piscicchia K., Poli Lener M., Romero Vida A., Sada Y., Sakaguchi A., Sakuma F., Sato M., Scordo A., Sekimoto M., Shi H., Sirghi D., Sirghi F., Suzuki K., Suzuki S., Suzuki T., Tanida K., Tatsuno H., Tokuda M., Tomono D., Toyoda A., Tsukada K., Vazquez Doce O., Widmann E., Wuenschek B. K., Yamaga T., Yamazaki T., Yim H., Zhang Q., Zmeska J.
Publikováno v:
EPJ Web of Conferences, Vol 66, p 09008 (2014)
We have collected the first physics data of an experimental search for the simplest kaonic nuclear bound state, “K− pp”, by the 3He(K− n) reaction at J-PARC. We confirmed that our spectrometer system works as designed and observed clear peak
Externí odkaz:
https://doaj.org/article/4479a5ae4da4443dafb60ba460f86487
Autor:
Sada Y., Ajimura S., Beer G., Bhang H., Bragadireanu M., Buehler P., Busso L., Cargnelli M., Choi S., Curceanu C., Enomoto S., Faso D., Fujioka H., Fujiwara Y., Fukuda T., Guaraldo C., Hashimoto T., Hayano R. S., Hiraiwa T., Iio M., Iliescu M., Inoue K., Ishiguro Y., Ishikawa T., Ishimoto S., Ishiwatari T., Itahashi K., Iwai M., Iwasaki M., Kato Y., Kawasaki S., Kienle P., Kou H., Ma Y., Marton J., Matsuda Y., Mizoi Y., Morra O., Nagae T., Noumi H., Ohnishi H., Okada S., Outa H., Piscicchia K., Poli Lener M., Romero Vidal A., Sakaguchi A., Sakuma F., Sato M., Scordo A., Sekimoto M., Shi H., Sirghi D., Sirghi F., Suzuki K., Suzuki S., Suzuki T., Tanida K., Tatsuno H., Tokuda M., Tomono D., Toyoda A., Tsukada K., Vazquez Doce O., Widmann E., Weunschek B. K., Yamaga T., Yamazaki T., Yim H., Zhang Q., Zmeskal J.
Publikováno v:
EPJ Web of Conferences, Vol 81, p 02016 (2014)
In the J-PARC E15 experiment, a K− pp search was performed via the 3He(K−, n) reaction at 1.0 GeV/c. A forward-going neutron is detected by a neutron counter with 15 m flight length, and decay particles from K− pp are simultaneously measured by
Externí odkaz:
https://doaj.org/article/472e391b9e8247a6837e778f74ce2546
Autor:
Yamaga, T., Ajimura, S., Asano, H., Beer, G., Bhang, H., Bragadireanu, M., Buehler, P., Busso, L., Cargnelli, M., Choi, S., Curceanu, C., Enomoto, S., Fujioka, H., Fujiwara, Y., Fukuda, T., Guaraldo, C., Hashimoto, T., Hayano, R. S., Hiraiwa, T., Iio, M., Iliescu, M., Inoue, K., Ishiguro, Y., Ishikawa, T., Ishimoto, S., Itahashi, K., Iwai, M., Iwasaki, M., Kanno, K., Kato, K., Kato, Y., Kawasaki, S., Kienle, P., Kou, H., Ma, Y., Marton, J., Matsuda, Y., Mizoi, Y., Morra, O., Nagae, T., Noumi, H., Ohnishi, H., Okada, S., Outa, H., Piscicchia, K., Sada, Y., Sakaguchi, A., Sakuma, F., Sato, M., Scordo, A., Sekimoto, M., Shi, H., Shirotori, K., Sirghi, D., Sirghi, F., Suzuki, S., Suzuki, T., Tanida, K., Tatsuno, H., Tokuda, M., Tomono, D., Toyoda, A., Tsukada, K., Doce, O. Vazquez, Widmann, E., Yamazaki, T., Yim, H., Zhang, Q., Zmeskal, J.
Publikováno v:
Phys. Rev. C 102, 044002 (2020)
We have performed an exclusive measurement of the $K^{-}+\! ~^{3}{\rm He} \to \Lambda pn$ reaction at an incident kaon momentum of $1\ {\rm GeV}/c$.In the $\Lambda p$ invariant mass spectrum, a clear peak was observed below the mass threshold of $\ba
Externí odkaz:
http://arxiv.org/abs/2006.13433
Autor:
Marcello S., Mirfakhrai N., Lucherini V., Grion N., Gianotti P., Genova P., Fujioka H., Fontana A., Fiore E. M., Filippi A., Feliciello A., Fabbri F. L., D’Erasmo G., De Mori F., Dalena B., Camerini P., Calvo D., Busso L., Bufalino S., Bressani T., Bregant M., Bonomi G., Botta E., Bhang H. C., Bertani M., Benussi L., Agnello M., Moia F., Morra O., Nagae T., Outa H., Pantaleo A., Paticchio V., Piano S., Rui R., Simonetti G., Wheadon R., Zenoni A., Gal A.
Publikováno v:
EPJ Web of Conferences, Vol 37, p 01023 (2012)
The FINUDA experiment at DAΦNE, Frascati, has found evidence for the neutron-rich hypernucleus 6ΛH studying (π+, π−) pairs in coincidence from the K−stop+6Li → 6ΛH+π+ production reaction followed by 6ΛH → 6He + π− weak decay. The pr
Externí odkaz:
https://doaj.org/article/906dd82234204ad78ac4c712b395f2a0
Autor:
Sakaguchi A., Sada Y., Pietreanu D., Outa H., Okada S., Ohnishi H., Noumi H., Nagae T., Morra O., Mizoi Y., Matsuda Y., Marton J., Kienle P., Kou H., Iwasaki M., Iwai M., Itahashi K., Ishiwatari T., Ishimoto S., Ishikawa T., Inoue K., Iliescu M., Iio M., Hiraiwa T., Hayano R.S., Hashimoto T., Guaraldo C., Fukuda Y., Fukuda T., Fujiwara Y., Faso D., Fujioka H., Enomoto S., Curceanu C., Choi S., Cargnelli M., Busso L., Buehler P., Bragadireanu M., Bhang H., Beer G., Ajimura S., Sakuma F., Sato M., Sekimoto M., Sirghi D., Sirghi F., Suzuki K., Suzuki S., Suzuki T., Tatsuno H., Tokuda M., Tomono D., Toyoda A., Tsukada K., Widmann E., Yamazaki T., Yim H., Zmeskal J.
Publikováno v:
EPJ Web of Conferences, Vol 3, p 07015 (2010)
The J-PARC E15 experiment will be performed to search for the simplest kaonic nuclear bound state, K− pp, by the in-flight 3He(K−,n) reaction. The exclusive measurement can be performed by a simultaneous measurement of the missing mass using the
Externí odkaz:
https://doaj.org/article/04439cd1ace2473fbd01c91322bf23ff
Autor:
collaboration, J-PARC E15, Ajimura, S., Asano, H., Beer, G., Berucci, C., Bhang, H., Bragadireanu, M., Buehler, P., Busso, L., Cargnelli, M., Choi, S., Curceanu, C., Enomoto, S., Fujioka, H., Fujiwara, Y., Fukuda, T., Guaraldo, C., Hashimoto, T., Hayano, R. S., Hiraiwa, T., Iio, M., Iliescu, M., Inoue, K., Ishiguro, Y., Ishikawa, T., Ishimoto, S., Itahashi, K., Iwasaki, M., Kanno, K., Kato, K., Kato, Y., Kawasaki, S., Kienle, P., Kou, H., Ma, Y., Marton, J., Matsuda, Y., Mizoi, Y., Morra, O., Nagae, T., Noumi, H., Ohnishi, H., Okada, S., Outa, H., Piscicchia, K., Sada, Y., Sakaguchi, A., Sakuma, F., Sato, M., Scordo, A., Sekimoto, M., Shi, H., Shirotori, K., Sirghi, D., Sirghi, F., Suzuki, K., Suzuki, S., Suzuki, T., Tanida, K., Tatsuno, H., Tokuda, M., Tomono, D., Toyoda, A., Tsukada, K., Doce, O. Vazquez, Widmann, E., Yamaga, T., Yamazaki, T., Zhang, Q., Zmeskal, J.
We observed a distinct peak in the $\Lambda p$ invariant mass spectrum of $^{3}{\rm He}(K^-, \, \Lambda p)n$, well below the mass threshold of $m_K + 2 m_p$. By selecting a relatively large momentum-transfer region $q = 350 \sim 650$ MeV/$c$, one can
Externí odkaz:
http://arxiv.org/abs/1805.12275
Autor:
Collaboration, J-PARC E15, Sada, Y., Ajimura, S., Bazzi, M., Beer, G., Bhang, H., Bragadireanu, M., Buehler, P., Busso, L., Cargnelli, M., Choi, S., Curceanu, C., Enomoto, S., Faso, D., Fujioka, H., Fujiwara, Y., Fukuda, T., Guaraldo, C., Hashimoto, T., Hayano, R. S., Hiraiwa, T., Iio, M., Iliescu, M., Inoue, K., Ishiguro, Y., Ishikawa, T., Ishimoto, S., Ishiwatari, T., Itahashi, K., Iwai, M., Iwasaki, M., Kato, Y., Kawasaki, S., Kienle, P., Kou, H., Ma, Y., Marton, J., Matsuda, Y., Mizoi, Y., Morra, O., Nagae, T., Noumi, H., Ohnishi, H., Okada, S., Outa, H., Piscicchia, K., Vidal, A. Romero, Sakaguchi, A., Sakuma, F., Sato, M., Scordo, A., Sekimoto, M., Shi, H., Sirghi, D., Sirghi, F., Suzuki, K., Suzuki, S., Suzuki, T., Tanida, K., Tatsuno, H., Tokuda, M., Tomono, D., Toyoda, A., Tsukada, K., Doce, O. Vazquez, Widmann, E., Wuenschek, B. K., Yamaga, T., Yamazaki, T., Yim, H., Zhang, Q., Zmeskal, J.
To search for an S= -1 di-baryonic state which decays to $\Lambda p$, the $ {\rm{}^3He}(K^-,\Lambda p)n_{missing}$ reaction was studied at 1.0 GeV/$c$. Unobserved neutrons were kinematically identified from the missing mass $M_X$ of the $ {\rm{}^3He}
Externí odkaz:
http://arxiv.org/abs/1601.06876