High-statistics study of ${\boldmath \eta \pi^0}$ production in two-photon collisions (2009)
Uehara, S., Collaboration, For The Belle
The differential cross section for the process $\gamma \gamma \to \eta \pi^0$ has been measured in the kinematic range $0.84 \GeV < W < 4.0 \GeV$, $|\cos \theta^*|
High-statistics study of neutral-pion pair production in two-photon collisions (2009)
The differential cross sections for the process $\gamma \gamma \to \pi^0 \pi^0$ have been measured in the kinematic range 0.6 GeV $< W < 4.1$ GeV, $|\cos \theta^*|
sBelle Design Study Report (2008)
Adachi, I., Danilov, M., Hara, K., Hara, T., Higuchi, T., Inami, K., ...
In this note, we compile results of various simulation studies for the upgrade of the Belle detector. Based on these studies, we propose a set of optimum or appropriate parameters of the detector.
High-statistics measurement of neutral-pion pair production in two-photon collisions (2008)
We have measured the cross section for pi^0 pi^0 production in two-photon collisions using a data sample with an ntegrated luminosity of 95 fb^-1 collected with the Belle detector. We find at least...
The Effects of Temperature on the Labellar Chemoreceptors of the Blowfly (2008)
ABSTRACT In the labellar chemosensory hairs of the blowfly, Phormia regina Meigen, stationary amplitudes of the slow potentials induced by salt and sugar stimulations were decreased to 50-80 % at 12...
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...
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±...
Pennington, M. R., Mori, T., Uehara, S., Watanabe, Y.
We perform an Amplitude Analysis of the world published data on $\gamma\gamma\to\pi^+\pi^-$ and $\pi^0\pi^0$. These are dominated in statistics by the recently published results from Belle on the...
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...
Meson Resonance Production In Two-Photon Processes (2007)
Introduction 1.1 Physics in Meson Production Here, I deal with single meson formation in two-photon collisions, flfl ! R, where R is a produced meson. We can measure the two-photon decay width of the...
I summarize a general method of the partial wave analysis in two-photon processes induced by collisions of two (quasi) real photons in a relation with the threepseudoscalar final states. 1 Components...
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...
Compensation of the Crossing Angle with Crab Cavities at KEKB (2007)
Abe, T., Akai, K., Akemoto, M., Akiyama, A., Arinaga, M., Ebihara, K., ...
Crab cavities have been installed in the KEKB B--Factory rings to compensate the crossing angle at the collision point and thus increase luminosity. The beam operation with crab crossing has been...
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...
Nikjoo, H., Uehara, S., Pinsky, L., Cucinotta, Francis A.
Space activities in earth orbit or in deep space pose challenges to the estimation of risk factors for both astronauts and instrumentation. In space, risk from exposure to ionising radiation is one...
Search for Invisible Decay of the $\Upsilon(1S)$ (2006)
Hayashii, H., Hazumi, M., Inami, K., Iwasaki, Y., Uehara, S.
We report results of a search for the invisible decay of the Upsilon(1S) via the Upsilon(3S)->pi+pi-Upsilon(1S) transition using a data sample of 2.9 fb^{-1} at the Upsilon(3S) resonance. The data...
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}...
Mechanism of the ferroelectric phase transitions in LiNbO3 and LiTaO3 (2002)
Ohkubo, Y, Murakami, Y, Saito, T, Yokoyama, A, Uehara, S, Kawase, Y
Microdosimetry of Epithermal Neutron Field at the Kyoto University Reactor (2002)
Onizuka, Y., Endo, S., Ishikawa, M., Hoshi, M., Takada, M., Kobayashi, T., ...
Microdosimetric spectra were measured in order to gain the microdosimetric parameters of some epithermal neutron fields. Changes in dose mean lineal energy YD as a function of depth of heavy water...
Endo, S., Takada, M., Ishikawa, M., Hoshi, M., Uehara, S., Yamaguchi, H., ...
Single event spectra of a clinical carbon beam have been measured by an ultra-miniature tissue-equivalent proportional counter (UMC). In order to cover the energy range of the Bragg peak, the...
Track Structure for Low Energy Ions Including Charge Exchange Processes (2002)
The model and development is described of a new generation of Monte Carlo track structure codes. The code LEAHIST simulates full slowing down of low-energy proton history tracks in the range 1 keV-1...
Precise measurement of the $e^{+} e^{-}\to \mu^{+} \mu^{-}$ reaction at $\sqrt{s} = 57.77 GeV (1998)
Miura, M, Odaka, S, Arima, T, Tobimatsu, K, Ogawa, K, Shirai, J, ...
Measurement of the proton-antiproton pair production from two-photon collisions at TRISTAN (1998)
Hamasaki, H, Abe, K, Amako, K, Arai, Y, Asano, Y, Chiba, M, ...
$D^{*+-}$ inclusive production in two-photon process at $\sqrt{s}$ = 58 GeV in TRISTAN (1997)
Ohyama, H, Abe, K, Amako, K, Arai, Y, Asano, Y, Chiba, M, ...
Gout due to xanthine derivatives (1997)
Toda, K, Goriki, K, Ochiai, M, Tokunou, H, Uehara, S, Takahashi, H, ...
Precise measurement of Bhabha scattering at a center-of-mass energy of 57.77 GeV (1996)
Arima, T, Odaka, S, Ogawa, K, Shirai, J, Tsuboyama, T, Hosoda, N, ...
Study of $\pi^{+}\pi^{-}$ pair production in a two-photon process at TRISTAN (1995)
Yabuki, F, Abe, K, Amako, K, Arai, Y, Arima, T, Asano, Y, ...
Nikjoo, H., Terrissol, M., Hamm, R.N., Turner, J.E., Uehara, S., Paretzke, H.G., ...
Comparison of four independent Monte Carlo electron transport codes MOCA, OREC, CPA and KURBUC has been made in terms of radial distribution of interactions, point kernels and the absolute frequency...
Thiarubrine A, a bioactive constituent of Aspilia (Asteraceae) consumed by wild chimpanzees (1985)
Rodriguez, E., Aregullin, M., Nishida, Toshisada, Uehara, S., Wrangham, Richard W., Abramowski, Z., ...
Two African species of Aspilia (Asteraceae), which are used medicinally by man and which are eaten by wild chimpanzees in an unusual manner, were found to contain the potent antibiotic thiarubrine A...
The Effects of Temperature on the Labellar Chemoreceptors of the Blowfly
In the labellar chemosensory hairs of the blowfly, Phormia regina Meigen, stationary amplitudes of the slow potentials induced by salt and sugar stimulations were decreased to 50–80% at 12°C of...