Y. Ohnishi

Analytical and Experimental Study of Consolidation with Vertical Sand Drains (9999)

Akai,K., Ohnishi,Y., Tamura,T., Yasukawa,I.

Vertical sand drains are one of the most effective ways to improve soft ground. The actual function of vertical sand drains, with respect to settlement and excess pore water pressure, is...

Finite Element Analysis of Three-Dimensional Flow in Saturated-Unsaturated Soils (9999)

Akai,K., Ohnishi,Y., Nishigaki,M.

The problem of non-steady three-dimensional flow of water in saturated-unsaturated porous media has been solved by a finite element approach. The governing equation has been formulated in terms of...

GaA1As/GaAs Optical Beam Scanner Using Phased Array Waveguides, (9999)

Moriki, K., Katoh, H., Ohnishi, Y., Hattori, T.

The possible development of the electrooptic scanner with quick random access may find new applications in optical information processing, optical sensing and optical communications. The optical...

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...

Low emittance lattice and final focus design for a SuperB project. (2007)

Ohnishi, Y, Biagini, ME, Raimondi, P, Wolski, A, Cai, Y, Seeman, J, ...

Low Emittance Lattices and Final Focus Design for the SuperB Project (2007)

Ohnishi, Y, Biagini, ME, Cai, Y, Raimondi, P, Seeman, J, Sullivan, MK, ...

Precision Electroweak Measurements on the Z Resonance (2006)

Schael, S, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Precision Electroweak Measurements on the Z Resonance (2006)

Schael, S, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Configuration Studies and Recommendations for the ILC Damping Rings. (2006)

K.L. Bane, DESY Maschinenphysik, D.P. Barber, Y. Cai, A. Dragt, L. Emery, ...

Internal report | Preprint

A study of the application of digital photogrammetry to slope monitoring systems (2006)

Ohnishi, Y, Nishiyama, S, Yano, T, Matsuyama, H, Amano, K

Ruthenium(II)-catalyzed hydrogenation of carbon dioxide to formic acid. Theoretical study of significant acceleration by water molecules (2006)

Ohnishi, Y, Nakao, Y, Sato, H, Sakaki, S

A novel linearizing technique using dual diode based linearizers for lightweight power amplifiers (2005)

KASHIWA, T., OHNISHI, Y., YAMAMOTO, K., OHSHIMA, H.

A novel way to compensate the distortion of Power Amplifier(PA) modules is presented in this paper.Adiodelinearizerwith an inductor is used to compensate thedistortion of the PA using LDMOS FET and...

A development of the discontinuous deformation analysis for rock fall analysis (2005)

Wu, JH, Ohnishi, Y, Nishiyama, S

Chiral-Odd Twist-3 Distribution Function $e(x)$ (2004)

Wakamatsu, M., Ohnishi, Y.

We clarify the nonperturbative origin of the $\delta$-function singularity at $x = 0$ in the chiral-odd twist-3 distribution function $e(x)$ of the nucleon. We also compare a theoretical prediction...

Investigation on block displacements due to a shallow tunnel excavation in an inclined brick-type jointed rock mass using discontinuous deformation analysis (2004)

Wu, JH, Ohnishi, Y, Nishiyama, S

Behavior of discontinuities during excavation of two large underground caverns (2004)

Yoshida, T, Ohnishi, Y, Nishiyama, S, Hirakawa, Y, Mori, S

Simulation of the mechanical behavior of inclined jointed rock masses during tunnel construction using Discontinuous Deformation Analysis (DDA) (2004)

Wu, JH, Ohnishi, Y, Nishiyama, S

The application of three-dimensional DDA with a spherical rigid block to rockfall simulation (2004)

Yang, M, Fukawa, T, Ohnishi, Y, Nishiyama, S, Miki, S, Hirakawa, Y, ...

Pi N sigma-term and chiral-odd twist-3 distribution function e(x) of the nucleon in the chiral quark soliton model (2003)

Ohnishi, Y., Wakamatsu, M.

The isosinglet combination of the chiral-odd twist-3 distribution function $e^u(x)+e^d(x)$ of the nucleon has outstanding properties that its first moment is proportional to the well-known $\pi N$...

Simulation Study of Coupled-Bunch Instabilities due to Resistive Wall, Ions, or Electron Cloud (2003)

Zimmermann, Frank, Fukuma, H, Ohmi, K, Ohnishi, Y, Win, S S

We simulate the interaction of a bunch train with either an external wake field, (semi-)trapped ions in a field-free region or in a dipole field, or an electron cloud, on successive turns, using a...

The nonperturbative origin of delta-function singularity in the chirally-odd twist-3 distribution function e(x) (2003)

Wakamatsu, M., Ohnishi, Y.

We analytically prove that the existence of the delta-function singularity in the chirally-odd twist-3 distribution $e(x)$ of the nucleon is inseparably connected with the nonvanishing quark...

Report of Snowmass 2001 Working Group E2 : Electron-positron Colliders from the $\phi$ to the Z (2002)

Zhao, Z., Eigen, G., Burdman, G., Marciano, W., Hitlin, D., Mandelkern, M., ...

We report on the status and plans of experiments now running or proposed for electron-positron colliders at energies between the $\phi$ and the Z. The $e^{+}e^{-}$ B and charm factories we considered...

Hydro-mechanical response of a fractured granitic rock mass to excavation of a test pit - the Kamaishi Mine experiment in Japan (2001)

Nguyen, TS, Borgesson, L, Chijimatsu, M, Rutqvist, J, Fujita, T, Hernelind, J, ...

Measurement Of Xy Coupling Using Turn-By-Turn Bpm (2000)

Y. Ohnishi, Y. Funakoshi, K. Mori, E. Perevedentsev, M. Tanaka, M. Tejima, ...

We have measured xy coupling of the interaction point(I.P.) at KEKB. When a normal mode is excited by a shaker with tune frequency, the horizontal or vertical betatron oscillations can be measured by...

Study Of Fast Ion Instability At Kekb Electron Ring (2000)

Y. Ohnishi, H. Fukuma, E. Kikutani, K. Oide, M. Tobiyama

We have studied fast ion instability (FII) in the electron ring (HER) at KEKB. We introduce an application of Singular Value Decomposition (SVD) to study multi-bunch beam oscillations. The SVD...

A Study of the structure of e+ e- b anti-b g events and improved limits on the anomalous chromomagnetic coupling of the b quark (2000)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Improved measurement of the probability for gluon splitting into b anti-b in Z0 decays (2000)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Production of charged pi+-, K+- and p / anti-p in hadronic Z0 decays (2000)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

A Study of correlations between identified charged hadrons in hadronic Z0 decays (2000)

Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, Aston, D, ...

Commissioning Of The Kekb B--Factory (1999)

Y. Ogawa, K. Ohmi, Y. Ohnishi, S. Ohsawa, N. Ohuchi, K. Oide, ...

The commissioning of the KEKB B--Factory storage rings started on Dec. 1, 1998. The two rings both achieved a stored current of over 0.5 A after operating for four months. The two beams were...

Lattice Diagnostics Using Single Kick Closed Orbit (1999)

Y. Ohnishi, K. Akai, N. Akasaka, A. Enomoto, J. Flanagan, H. Fukuma, ...

We have measured beta functions using single kick closed orbit at KEKB. The measured beta functions were compared with the model lattice and gradient errors were extracted from the result in a beta...

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

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

Research on Strength-Deformability-Water Pressure Relationships for Faults in Direct Shear. (1998)

Goodman,R. E., Heuze,F. E., Ohnishi,Y.

A program of direct shear tests on samples of rock joints was initiated to gain an improved picture of the deformation and strength of jointed rock masses under load. The shear testing machine,...

A Measurement of R(c) using the SLD detector (1998)

SLD Collaboration, Abe, K, Abe, K, Abe, T, Adam, I, Akimodo, H, ...

An Improved inclusive measurement of A(c) using the SLD detector (1998)

SLD Collaboration, Abe, K, Abe, K, Abe, T, Adam, I, Akimodo, H, ...

Properties of leading particles in hadronic $Z^{0}$ decays (1997)

Müller, D, Abe, K, Abe, K, Abt, I, Akagi, T, Allen, N J, ...

$\tau$ physics results from SLD (1997)

Daoudi, M, Abe, K, Abe, K, Abt, I, Akagi, T, Allen, N J, ...

Updated measurement of the lifetime at SLD (1997)

Abe, K, Abt, I, Akagi, T, Allen, N J, Ash, William W, Aston, D, ...

Measurement of the tau-neutrino helicity and the Michel parameters in polarized e+ e- collisions (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Measurement of the B+ and B0 lifetimes from semileptonic decays (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Measurement of leading particle effects in decays of Z0 bosons into light flavors (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Measurement of the polarized forward backward asymmetry of Z0 ---> b anti-b using a mass tag and momentum weighted track charge (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Direct measurement of leptonic coupling asymmetries with polarized Zs (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Measurement of the B hadron energy distribution in Z0 decays (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Symmetry tests in polarized Z0 decays to b anti-b g (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Production of pi+-, K+-, K0, K*0, phi, p and Lambda0 in hadronic Z0 decays (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

A Preliminary study of the structure of b anti-b g events using Z0 decays (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

A Preliminary improved test of the flavor independence of strong interactions (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Preliminary measurement of prompt D+- and D*+- meson production and D*+- spin alignment in hadronic Z0 decays (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

A Preliminary measurement of R(b) using the upgrade SLD vertex detector (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

A Measurement of R(b) using a vertex mass tag (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

QCD Studies at SLD: Identified hadron production in jets of different flavors (1997)

SLD Collaboration, Kalelkar, M, Abe, K, Abe, K, Akagi, T, Allen, N J, ...

Measurement of the B+ and B0 lifetimes using topological vertexing at SLD (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Measurement of the B+ and B0 lifetimes using topological reconstruction of inclusive and semileptonic decays (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

A Preliminary measurement of R(c) using the SLD detector (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Properties of the b anti-b g vertex (1997)

SLD Collaboration, Plano, R, Abe, K, Ake, K, Akagi, T, Allen, N J, ...

A Preliminary inclusive measurement of A(c) using the SLD detectors (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Direct measurement of A(b) and A(c) at the Z0 pole using a lepton tag (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Measurement of A(b) from left right forward backward asymmetry in Z0 decays using charged kaon tagging (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Tests of QCD using Z0 ---> b anti-b g events (1997)

SLD Collaboration, Abe, K, Abe, K, Akagi, T, Allen, N J, Ash, W W, ...

Measurement of the left-right forward-backward asymmetry for charm quarks with $D^\star^{+}$ and $D^+$ mesons (1996)

Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, Ash, William W, ...

First study of rapidity gaps in e+e- annihilation (1996)

Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, Ash, William W, ...

We present the first study of rapidity gaps in e+e- annihilations using Z0 decays collected by the SLD experiment at SLAC. Our measured rapidity gap spectra all exponentially with increasing gap size...

Preliminary measurements of B$^{0}$ and B$^{+}$ lifetimes at SLD (1996)

Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, Ash, William W, ...

Application of 'Optimised' Perturbation Theory to Determination of alpha_s(M_Z^2) from Hadronic Event Shape Observables in e+e- Annihilation (1996)

Burrows, P. N., Masuda, H., Muller, D., Ohnishi, Y.

We have applied so-called `optimised' perturbation theory to resolve the renormalisation-scale (mu) ambiguity of exact O(alpha_s^2) QCD calculations of event shape observables in e+e- --> hadrons. We...

Production of charm and beauty in e+e- with polarized electron beam (1996)

Su, D, Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, ...

Factorial and cumulant moments in e+ e- ---> hadrons at the Z0 resonance (1996)

SLD Collaboration, Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, ...

Tau Lorentz structure with polarization at SLD (1996)

SLD Collaboration, Abe, K, Abe, K, Abt, I, Akagi, T, Allen, N J, ...

A Study of the orientation and energy partition of three jet events in hadronic Z0 decays (1996)

SLD Collaboration, Abe, K, Abe, K, Abt, I, Akagi, T, Allen, N J, ...

Preliminary measurement of the charged multiplicities in b, c and light quark events from Z0 decays (1996)

SLD Collaboration, Abe, K, Abe, K, Abt, I, Akagi, T, Allen, N J, ...

Preliminary measurement of leading particle effects in hadroni