Study of \Omega_c^0 and \Omega_c^{*0} Baryons at Belle (2008)
Solovieva, E., Chistov, R., Collaboration, For The Belle
We report results from a study of the charmed double strange baryons \Omega_c^0 and \Omega_c^{*0} at Belle. The \Omega_c^0 is reconstructed using the \Omega_c^0 --> \Omega^- \pi^+ decay mode, and its...
Seidl, R., Grosse Perdekamp, M., Ogawa, A., Adachi, I., Aihara, H., Bahinipati, S., ...
The Collins effect connects transverse quark spin with a measurable azimuthal asymmetry in the yield of hadronic fragments around the quark’s momentum vector. Using two different reconstruction...
Mizuk, R., Chistov, R., Collaboration, For The Belle
We report the first observation of two resonance-like structures in the pi+ chi_c1 invariant mass distribution near 4.1 GeV/c^2 in exclusive B0-bar --> K- pi+ chi_c1 decays. From a Dalitz plot...
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...
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...
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...
Measurements of exclusive B^{0}_{s} decays at the γ(5S) resonance (2007)
Drutskoy, A., Abe, K., Adachi, I., Aihara, H., Anipko, D., Bakich, A. M., ...
Several exclusive B^{O}_{s} decays are studied using a 1.86 fb^{-1} data sample collected at the Υ(5S) resonance with the Belle detector at the KEKB asymmetric energy e^+e^- collider. In the...
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...
Observation of the Decay \bar{B0}-> Ds+ Lambda \bar{p} (2007)
Medvedeva, T., Chistov, R., Collaboration, For The Belle
We report the first observation of the decay \bar{B0} -> D_s^+ Lambda \bar{p} with a statistical significance of 6.6 sigma. We measure Br(\bar{B0} -> Ds+ Lambda \bar{p}) = (2.9 \pm 0.7\pm 0.5 \pm...
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}...
Observation of New States Decaying into $\Lambda_c^+ K^-\pi^+$ and $\Lambda_c^+ K^0_S\pi^-$ (2006)
Chistov, R., Collaboration, For The Belle
We report the first observation of two charmed strange baryons that decay into $\Lambda_c^+ K^-\pi^+$. The broader of the two states is measured to have a mass of $2978.5\pm 2.1\pm 2.0$ MeV/$c^2$ and...
Chistov, R., Collaboration, For The Belle
We report the first observation of the decay B+ -> \bar{\Xi}_c^0 \Lambda_c^+ with a significance of 8.7 \sigma and evidence for the decay B^0 -> \bar{\Xi}_c^-\Lambda_c^+ with a significance of 3.8...
New resonances in B-meson decays (2005)
Chistov, R., Collaboration, For The Belle
The X(3872) and Y(3940) properties and decay modes from Belle are reviewed and the results on a search for the decay $B^+\ra h_c K^+$, $h_c\ra \eta_c \gamma$ at Belle are presented.
Abt,I., Abyzov,A., Adams,M., Albrecht,H., Amaral,V., Amorim,A., ...
Using the HERA-B detector, the b (b) over bar production cross section has been measured in 920 GeV proton collisions on carbon and titanium targets. The b (b) over bar production was tagged via...
Inclusive V 0 production cross sections from 920 GeV fixed target proton-nucleus collisions (2003)
Abt,I., Abyzov,A., Adams,M., Albrecht,H., Amaral,V., Amorim,A., ...
Inclusive differential cross sections dσpA/dxF and dσpA/dp2t for the production of K0S, Λ, and Λ particles are measured at HERA in proton-induced reactions on C, Al, Ti, and W targets. The...
Abt,I., Abyzov,A., Adams,M., Albrecht,H., Amaral,V., Amorim,A., ...
Using the HERA-B detector, the b (b) over bar production cross section has been measured in 920 GeV proton collisions on carbon and titanium targets. The b (b) over bar production was tagged via...
J/ψ production via χc decays in 920 GeV pA interactions (2003)
Abt,I., Abyzov,A., Adams,M., Albrecht,H., Amaral,V., Amorim,A., ...
Using data collected by the HERA-B experiment, we have measured the fraction of J/ψ’s produced via radiative χc decays in interactions of 920 GeV protons with carbon and titanium targets. We...
Abt, I., Abyzov, A., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...
Using the HERA-B detector, the b (b) over bar production cross section has been measured in 920 GeV proton collisions on carbon and titanium targets. The b (b) over bar production was tagged via...
Inclusive V 0 production cross sections from 920 GeV fixed target proton-nucleus collisions (2003)
Abt, I., Abyzov, A., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...
Inclusive differential cross sections dσpA/dxF and dσpA/dp2t for the production of K0S, Λ, and Λ particles are measured at HERA in proton-induced reactions on C, Al, Ti, and W targets. The...
J/ψ production via χc decays in 920 GeV pA interactions (2003)
Abt, I., Abyzov, A., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...
Using data collected by the HERA-B experiment, we have measured the fraction of J/ψ’s produced via radiative χc decays in interactions of 920 GeV protons with carbon and titanium targets. We...
Abt, I., Abyzov, A., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...
Using the HERA-B detector, the b (b) over bar production cross section has been measured in 920 GeV proton collisions on carbon and titanium targets. The b (b) over bar production was tagged via...
J/ψ production via χc decays in 920 GeV pA interactions (2003)
Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., ...
Using data collected by the HERA-B experiment, we have measured the fraction of J/ψ's produced via radiative χc decays in interactions of 920 GeV protons with carbon and titanium targets. We...
Evidence for $\Lambda_{c}(2593)^{+}$ production (1997)
Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...
A partial wave analysis of the reaction $\gamma\gamma$ --> $\pi^{+}$ $\pi^{-}\pi^{0}$ (1996)
Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...
Two measurements of B$^{0}\overline{B}^{0}$ mixing using kaon tagging (1996)
Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...
Measurement of the semileptonic branching fractions of the D$^{0}$ meson (1995)
Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...
Measurement of the decay D$_{s2}^{*+}$ --> D$^{0}$K$^{+}$ (1995)
Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...
A search for the lepton-flavour violating decays $\tau$ --> e$\alpha$, $\tau$ --> $\mu\alpha$ (1995)
Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...
Determination of the Michel parameters $\xi$ and $\delta$ in leptonic $\tau$ decays (1995)
Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...
Search for rare B decays (1995)
Albrecht, H, Hamacher, T, Hofmann, R P, Kirchhoff, T, Mankel, R, Nau, A, ...