M. Ieiri

PATIAL DECAY WIDTHS OF THE phi INTO e(+)e(-) AND K+K- PAIRS IN 12 GeV p plus A REACTIONS AT KEK-PS E325 (2008)

Sakuma, F, Chiba, J, EN'Yo, H, Fukao, Y, Funahashi, H, Hamagaki, H, ...

Nuclear-matter modification of decay widths in the phi -> e(+)e(-) and phi -> K+K- channels (2007)

Sakuma, F, Chiba, J, En'yo, H, Fukao, Y, Funahashi, H, Hamagaki, H, ...

Nuclear-matter modification of decay widths in the $\phi \to e^{+}e^{-}$ and $\phi \to K^{+}K^{-}$ channels (2006)

Sakuma, F., Chiba, J., En'yo, H., Fukao, Y., Funahashi, H., Hamagaki, H., ...

The invariant mass spectra of $\phi \to K^{+}K^{-}$ are measured in 12 GeV $p+A$ reactions in order to search for the in-medium modification of $\phi$ mesons. The observed $K^{+}K^{-}$ spectra are...

Nuclear mass number dependence of inclusive production of omega and phi mesons in 12 GeV p + A collisions (2006)

Tabaru, T., En'yo, H., Muto, R., Naruki, M., Yokkaichi, S., Chiba, J., ...

The inclusive production of omega and phi mesons is studied in the backward region of the interaction of 12 GeV protons with polyethylene, carbon, and copper targets. The mesons are measured in e^+...

Evidence for in-medium modification of the $\phi$ meson at normal nuclear density (2005)

Muto, R., En'yo, H., Naruki, M., Tabaru, T., Yokkaichi, S., Chiba, J., ...

Invariant mass spectra of e+e- pairs have been measured in 12 GeV p+A reactions to detect possible in-medium modification of vector mesons. Copper and carbon targets are used to study the...

Experimental Signature of Medium Modifications for rho and omega Mesons in the 12 GeV p + A Reactions (2005)

Naruki, M., Funahashi, H., Fukao, Y., Kitaguchi, M., Ishino, M., Kanda, H., ...

The invariant mass spectra of e+e- pairs produced in 12-GeV proton-induced nuclear reactions are measured at the KEK Proton-Synchrotron. On the low-mass side of the omega meson peak, a significant...

Measurement of the Xi-p Scattering Cross Sections at Low Energy (2005)

Ahn, J. K., Aoki, S., Chung, K. S., Chung, M. S., Enyo, H., Fukuda, T., ...

In this paper we report cross-section measurements for $\Xi^-p$ elastic and inelastic scatterings at low energy using a scintillating fiber active target. Upper limit on the total cross-section for...

$\Sigma^+$p elastic scattering cross sections in the region of 350$\leq P\Sigma^+\leq 750 MeV/c$ with a scintillating fiber active target (2005)

Ahn, J.K., Akikawa, H., Arvieux, J., Bassalleck, B., Chung, M.S., En'Yo, H., ...

A hyperon–nucleon scattering experiment, KEK-PS E289, was carried out at the K2 beam line in KEK. We adopted a scintillating fiber active target as a hydrogen target for hyperon production and...

$\Sigma^+$p elastic scattering cross sections in the region of 350$\leq P\Sigma^+\leq 750 MeV/c$ with a scintillating fiber active target (2005)

Ahn, J.K., Akikawa, H., Arvieux, J., Bassalleck, B., Chung, M.S., En'Yo, H., ...

A hyperon–nucleon scattering experiment, KEK-PS E289, was carried out at the K2 beam line in KEK. We adopted a scintillating fiber active target as a hydrogen target for hyperon production and...

Observation of a He-6(Lambda Lambda) double hypernucleus (2001)

Takahashi, H, Ahn, JK, Akikawa, H, Aoki, S, Arai, K, Bahk, SY, ...

GPIB Address Converter (2001)

Suzuki, Y., Ieiri, M., Katoh, Y., Kusano, E., Minakawa, M., Noumi, H., ...

A GPIB address converter (GAC) has been constructed. This paper reports on the function and test results. The GAC has two GPIB connectors (upper and lower ports). The upper port has a GPIB primary...

Observation of $\rho/\omega$ meson modification in nuclear matter (2001)

Ozawa, K, Enyo, H, Funahashi, H, Kitaguchi, M, Ishino, M, Kanda, H, ...

Active target-detector with scintillating fibers for hyperon-proton scattering (2001)

Ahn, J.K., Akikawa, H., Arvieux, J., Bassalleck, B., Chung, M.S., Enyo, H., ...

Active target-detector with scintillating fibers for hyperon-proton scattering (2001)

Ahn, J.K., Akikawa, H., Arvieux, J., Bassalleck, B., Chung, M.S., Enyo, H., ...

Observation of $\rho / \omega$ Meson Modification in Nuclear Matter (2000)

Ozawa, K., En'yo, H., Funahashi, H., Kitaguchi, M., Ishino, M., Kanda, H., ...

We have measured invariant mass spectra of electron-positron pairs in the target rapidity region of 12GeV p+A reactions. We have observed a significant difference in the mass spectra below the...

$\Sigma^-p$ elastic-scattering in the region of 400$<$p$\Sigma$-$<$700 MeV/c with a scintillating-fiber active target (2000)

Kondo, Y., Ahn, J.K., Akikawa, H., Arvieux, J., Bassalleck, B., Chung, M.S., ...

$\Sigma^-p$ elastic-scattering in the region of 400$<$p$\Sigma$-$<$700 MeV/c with a scintillating-fiber active target (2000)

Kondo, Y., Ahn, J.K., Akikawa, H., Arvieux, J., Bassalleck, B., Chung, M.S., ...

Large horn magnets at the KEK neutrino beam line (1998)

Yamanoi, Y, Ieiri, M, Suzuki, Y, Minakawa, M, Noumi, H, Kato, Y, ...

A study of $\Sigma^{+} p$ elastic scattering in the region of $300\leq p\Sigma\leq 600 MeV/c$ with a scintillating fiber target (1998)

Ahn, J K, Bassalleck, B, Chung, M S, Chung, W M, Enyo, H, Fukuda, T, ...

Enhanced $\Lambda\Lambda$ production near threshold in the $^{12}C(K^{-},K^{+})$ reaction (1998)

Ahn, J K, Aoki, S, Chung, K S, Chung, M S, Enyo, H, Fukuda, T, ...

Scalar and vector meson production and two-step processes in $(K^{-}, K^{+})$ reaction on $^{12}C$ (1997)

Ahn, J K, Aoki, S, Chung, K S, Shung, M S, Enyo, H, Fukuda, T, ...

Precision positioning of superKamiokande with GPS for a long-baseline neutrino oscillation experiment (1997)

Noumi, H, Kuroda, M, Ieiri, M, Ishii, H, Kasa, H, Katoh, Y, ...

Neutron beam line at the KEK 12-GeV PS (1996)

Noumi, H, Sawada, S, Hasegawa, T, Horikawa, N, Ieiri, M, Ishii, M, ...

Emulsion-counter hybrid detector for the study of double hypernuclei and the H-dibaryon (1995)

Aoki, S, Bahk, S Y, Chung, K S, Chung, S H, Fukuda, O, Hahn, C H, ...

Optical design of beam lines at the KEK-PS new experimental hall (1995)

Tanaka, K H, Ieiri, M, Noumi, H, Minakawa, M, Yamanoi, Y, Kato, Y, ...

POLARIZATION TRANSFER MEASUREMENTS FOR THE (d, pX) REACTION AT Ed=65 MeV AND THE REACTION MECHANISM FOR THE PROTONS IN THE CONTINUUM (1990)

Ieiri, M., Sakaguchi, H., Nakamura, M., Noro, T., Sakamoto, H., Yosoi, M., ...

The double-differential cross section, analyzing power, polarization and polarization transfer coefficient were measured for the (d, pX) reaction with 65 MeV deuterons for 12C at 14.0° and for 58Ni...

POLARIZATION TRANSFER MEASUREMENTS FOR THE (d, pX) REACTION AT Ed=65 MeV AND THE REACTION MECHANISM FOR THE PROTONS IN THE CONTINUUM (1990)

Ieiri, M., Sakaguchi, H., Nakamura, M., Noro, T., Sakamoto, H., Yosoi, M., ...

The double-differential cross section, analyzing power, polarization and polarization transfer coefficient were measured for the (d, pX) reaction with 65 MeV deuterons for 12C at 14.0° and for 58Ni...

POLARIZATION TRANSFER MEASUREMENTS FOR THE (d, pX) REACTION AT Ed=65 MeV AND THE REACTION MECHANISM FOR THE PROTONS IN THE CONTINUUM (1990)

Ieiri, M., Sakaguchi, H., Nakamura, M., Noro, T., Sakamoto, H., Yosoi, M., ...

The double-differential cross section, analyzing power, polarization and polarization transfer coefficient were measured for the (d, pX) reaction with 65 MeV deuterons for 12C at 14.0° and for 58Ni...