Scientific Commons: H. Kichimi

Observation of a Resonancelike Structure in the π^+-Ψ' Mass Distribution in Exclusive B → Kπ^+-Ψ' Decays (2008)

Olsen, S. L., Adachi, I., Aihara, H., Aulchenko, V., Aushev, T., ...

A distinct peak is observed in the π^±Ψ'invariant mass distribution near 4.43 GeV in B→ Kπ^±Ψ' decays. A fit using a Breit-Wigner resonance shape yields a peak mass and width of M = 4433±...

Search for \bar{B}^0 →Λ_c^+\bar{Λ}_c^- decay at Belle (2008)

Uchida, Y., Ozaki, H., Kichimi, H., Adachi, I., Aihara, H., Arinstein, K., ...

We search for the doubly charmed baryonic decay \bar{B}^0 →Λ_c^+\bar{Λ}_c^-, in a data sample of 520×106 B\bar{B} events accumulated at the Υ(4S) resonance with the Belle detector at the KEKB...

Observation of D_s1(2536)^+　→ D^+π^-K^+ and angular decomposition of D_s1(2536)^+ →D^*+K_S^0 (2008)

Balagura, V., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., ...

Using 462 fb^{-1} of e^+e^- annihilation data recorded by the Belle detector, we report the first observation of the decay D_s1(2536)^+　→　D+π^-K^+. The ratio of branching fractions...

Observation of the Ψ(4415)→ D\bar{D}_2^* (2460) Decay Using Initial-State Radiation (2008)

Pakhlova, G., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., ...

We report measurements of the exclusive cross section for e^+e^-　→D^0D^-π^+ over the center-of-mass energy range 4.0 GeV to 5.0 GeV with initial-state radiation and the first observation of the...

Measurement of the near-threshold e^+e^-　→ D\bar{D} cross section using initial-state radiation (2008)

Pakhlova, G., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., ...

We report measurements of the exclusive cross section for e^+e^　→D\bar{D}, where D=D^0 or D^+, in the center-of-mass energy range from the D\bar{D} threshold to 5 GeV with initial-state...

Observation of e^+e^-　→ K^+K^-J/Ψ via initial-state radiation at Belle (2008)

Yuan, C. Z., Shen, C. P., Wang, P., Wang, X. L., Adachi, I., Aihara, H., ...

The process e^+e^- →K^+K^-J/Ψ is observed for the first time via initial-state radiation. The cross section of e^+e^- → K^+K^-J/Ψ for center-of-mass energies between threshold and 6.0 GeV is...

Time-Dependent CP-Violating Asymmetry in B^0→p^0γ Decays (2008)

Ushiroda, Y., Sumisawa, K., Taniguchi, N., Adachi, I., Aihara, H., Arinstein, K., ...

We report the first measurement of CP-violation parameters in B^0 → p^0γ decays based on a data sample of 657×10^6B\bar{B} pairs collected with the Belle detector at the KEKB asymmetric-energy...

Measurement of branching fraction and time-dependent CP asymmetry parameters in B^0 → D^*+D^*-K^{0}_{S}decays (2007)

Dalseno, J., Adachi, I., Aihara, H., Aushev, T., Bakich, A. M., Balagura, V., ...

We present a measurement of the branching fraction and time-dependent CP violation parameters for B^0 → D^*+D^*-K^{0}_{S} decays. These results are obtained from a 414 fb^{-1} data sample that...

Search for B decays into η'p, η'K^*, η'φ, η'ω and η'η^(') (2007)

Schümann, J., Wang, C. H., Abe, K., Aihara, H., Anipko, D., Arinstein, K., ...

We report on a search for the exclusive two-body charmless hadronic B meson decays B → η'ρ, B → η'K^*, B^0 → ηφ, B^0 → η'ω, and B0 →η'η^('). The results are obtained from a data...

Search for Invisible Decay of the Υ(1S) (2007)

Tajima, O., Hayashii, H., Hazumi, M., Inami, K., Iwasaki, Y., Uehara, S., ...

We report results of a search for the invisible decay of the Υ(1S) via the Υ(3S)→π+π-Υ(1S) transition using a data sample of 2.9 fb^{-1} at the Υ(3S) resonance. The data were collected with...

Observation of B^+ → Λ^+_c Λ^－_c K^+ and B^0 → Λ^+_c Λ^－_c K^0 Decays (2006)

Gabyshev, N., Abe, K., Abe, K., Adachi, I., Aihara, H., Asano, Y., ...

We report the first measurements of the doubly charmed baryonic B decays B → Λ^+_c Λ^-_c K. The B+ → Λ^+_c Λ^-_c K+ decay is observed with a branching fraction of (6.5^{+1.0}_{-0.9}...

Study of the charmed baryonic decays $\bar{B}^0\to\Sigma_c^{++}\bar{p}\pi^-$ and $\bar{B}^0\to\Sigma_c^{0}\bar{p}\pi^+$ (2006)

Park, K. S., Kichimi, H., Collaboration, For The Belle

We study the three-body charmed baryonic decays $\bar{B}^0\to\Sigma_c^{++} \bar{p}\pi^-$ and $\bar{B}^0\to\Sigma_c^{0}\bar{p}\pi^+$ in the four-body final state...

Observation of B0bar->Lambda_c+pbar decay (2002)

Gabyshev, N., Kichimi, H.

We report the measurement of the charmed baryonic decay B0bar->Lambda_c+pbar with a branching fraction of (2.19^{+0.56}_{-0.49}+-0.32+-0.57)x10^{-5} and a statistical significance of 5.8 sigma. The...

Radiative B meson decays into K pi gamma and K pi pi gamma final states (2002)

Nishida, S, Nakao, M, Abe, K, Abe, K, Abe, T, Ahn, BS, ...

Study of Exclusive B decays to Charmed Baryons (2002)

Gabyshev, N., Kichimi, H., Collaboration, Belle

Using 29.1fb-1 of data accumulated at the Upsilon(4S) with the Belle detector at KEKB, we have studied the decay modes B0bar->Lambda_c+ pbar pi+pi-, B- -> Lambda_c+ pbar pi-, and B0bar ->Lambda_c+...

A Detailed Monte-Carlo Simulation for the Belle TOF System (2002)

Nam, J. W., Choi, Y. I., Kim, D. W., Kim, J. H ., Casey, B. C. K., Jones, M., ...

We have developed a detailed Monte Carlo simulation program for the Belle TOF system. Based on GEANT simulation, it takes account of all physics processes in the TOF scintillation counters and...

Study of bayron production mechanism in $e^{+} e^{-}$ annihilation into hadrons (1999)

Aoki, M, Itoh, R, Watanabe, Y, Kaneyuki, K, Ohshima, Y, Ochi, A, ...

The Cerenkov correlated timing detector: beam test results from quartz and acrylic bars (1996)

Kichimi, H, Sugaya, Y, Yamaguchi, H, Yoshimura, Y, Kanda, S, Olsen, S, ...

The Cherenkov Correlated Timing Detector: Beam Test Results from Quartz and Acrylic Bars (1995)

Kichimi, H., Sugaya, Y., Yamaguchi, H., Yoshimura, Y., Kanda, S., Olsen, S., ...

Several prototypes of a Cherenkov Correlated Timing (CCT) Detector have been tested at the KEK-PS test beam line. We describe the results for Cherenkov light yields and timing characteristics from...

The Cherenkov Correlated Timing Detector: Materials, Geometry and Timing Constraints (1995)

Aronstein, D., Bergfeld, T., Horton, D., Palmer, M., Selen, M., Thayer, G., ...

The key parameters of Cherenkov Correlated Timing (CCT) detectors are discussed. Measurements of radiator geometry, optical properties of radiator and coupling materials, and photon detector timing...

Measurement of the total hadronic cross section and determination of $\gamma$-Z interference in e+e- annihilation (1995)

Miyabayashi, K, Adachi, I, Fujii, K, Fujimoto, J, Miyamoto, A, Sugiyama, A, ...

Measurement of inclusive particle spectra and test of MLLA prediction in e+e- annihilation at \Sqrt s = 58 GeV (1995)

Itoh, R, Yamauchi, M, Yamaguchi, A, Abe, K, Abe, T, Adachi, I, ...

Inclusive momentum spectra are measured for all charged particles and for each of \pi^{\pm}, K^{\pm}, K^0/\overline{K^0}, and p/\overline{p} in hadronic events produced via e^+e^- annihilation at...

Measurement of inclusive electron cross section in $\gamma\gamma$ collisions at TRISTAN (1994)

Iwasaki, M, Enomoto, R, Hayashii, H, Nakano, E, Abe, K, Abe, T, ...

Measurement of the forward-backward asymmetries for charm- and bottom-quark pair productions at (\Sqrt s)=58 GeV with electron tagging (1994)

Nakano, E, Enomoto, R, Iwasaki, M, Abe, K, Abe, T, Adachi, I, ...

Quasi-real Compton scattering measurement and e* search with delco at pep (1986)

Bonneaud, G.R., Courau, A., Johnson, R., Yamamoto, H., Atwood, W.B., Barish, B.C., ...

Quasi-real Compton scattering measurement and e* search with delco at pep (1986)

Bonneaud, G.R., Courau, A., Johnson, R., Yamamoto, H., Atwood, W.B., Barish, B.C., ...

Properties of bottom quark jets in $e^+e^-$ annihilation at 29 GeV (1985)

Sakuda, M., Atwood, W.B., Baillon, P.H., Barish, B.C., Bonneaud, G.R., Courau, A., ...

Properties of bottom quark jets in $e^+e^-$ annihilation at 29 GeV (1985)

Sakuda, M., Atwood, W.B., Baillon, P.H., Barish, B.C., Bonneaud, G.R., Courau, A., ...