High Energy Accelerator Research Organization

output

19912026

most citedEvidence for oscillation of atmospheric neutrinos

5.1k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2003Show all

161 papers · 1 filter

hep-th2003★ 12 cited

Note on Gauge Theory on Fuzzy Supersphere

Satoshi Iso, Hiroshi Umetsu

We construct a supermatrix model whose classical background gives two-dimensional noncommutative supersphere. Quantum fluctuations around it give the supersymmetric gauge theories…

nucl-th2003★ 3 cited

Clustering in stable and unstable nuclei in $p$ -shell and $s d$ -shell regions

Y. Kanada-En'yo, M. Kimura, H. Horiuchi

According to microscopic calculations with antisymmetrized molecular dynamics, we studied cluster features in stable and unstable nuclei. A variety of structure was found in stable…

cond-mat.supr-con2003★ 85 cited

Effects of next-nearest-neighbor hopping $t^{'}$ on the electronic structure of cuprates

K. Tanaka, T. Yoshida, A. Fujimori +11

Photoemission spectra of underdoped and lightly-doped Bi $_{2 - z}$ Pb $_{z}$ Sr $_{2}$ Ca $_{1 - x}$ {\it R} $_{x}$ Cu $_{2}$ O $_{8 + y}$ ( $R =$ Pr, Er) (BSCCO) have been measured and compared with those…

hep-ex2003★ 14 cited

Isolated tau leptons in events with large missing transverse momentum at HERA

ZEUS collaboration

A search for events containing isolated tau leptons and large missing transverse momentum, not originating from the tau decay, has been performed with the ZEUS detector at the elec…

hep-ex2003★ 6 cited

Radiative and Electroweak Rare B Decays

Mikihiko Nakao

This report summarizes the latest experimental results on radiative and electroweak rare B meson decays. These rare decay processes proceed through the flavor changing neutral curr…

hep-lat2003★ 4 cited

Non-perturbative calculation of $Z_{V}$ and $Z_{A}$ in domain-wall QCD on a finite box

PACS Collaboration, S. Aoki, M. Fukugita +9

We report on a non-perturbative evaluation of the renormalization factors for the vector and axial-vector currents, $Z_{V}$ and $Z_{A}$ , in the quenched domain-wall QCD (DWQCD) with pl…

hep-ex2003★ 626 cited

Observation of the Narrow State $X (3872) \to J / ψ π^{+} π^{-}$ in $p ˉ p$ Collisions at $\sqrt{s}=1.96 \TeV$

the CDF II Collaboration, D. Acosta, T. Affolder +8

We report the observation of a narrow state decaying into $J / ψ π^{+} π^{-}$ and produced in $220 p b^{- 1}$ of $p ˉ p$ collisions at $s = 1.96 T e V$ in the CDF II experiment. We o…

physics.ins-det2003★ 14 cited

Development of a multi-pixel photon sensor with single-photon sensitivity

Motohiro Suyama, Atsuhito Fukasawa, Junji Haba +8

A multi-pixel photon sensor with single-photon sensitivity has been developed, based on a technology of a hybrid photo-detector (HPD) consisting of a photocathode and a multi-pixel…

quant-ph2003

Physics of singular points in quantum mechanics

Izumi Tsutsui, Tamas Fulop

Defects or junctions in materials serve as a source of interactions for particles, and in idealized limits they may be treated as singular points yielding contact interactions. In…

hep-th2003★ 44 cited

Ginsparg-Wilson Relation and 't Hooft-Polyakov Monopole on Fuzzy 2-Sphere

Hajime Aoki, Satoshi Iso, Keiichi Nagao

We investigate several properties of Ginsparg-Wilson fermion on fuzzy 2-sphere. We first examine chiral anomaly up to the second order of the gauge field and show that it is indeed…

hep-th2003★ 36 cited

Supersymmetric Radius Stabilization in Warped Extra Dimensions

Nobuhito Maru, Nobuchika Okada

We propose a simple model of extra-dimensional radius stabilization in a supersymmetric Randall-Sundrum model. In our model, we introduce only a bulk hypermultiplet and source term…

hep-ph2003★ 182 cited

Predictions for g-2 of the muon and alpha_QED(M_Z^2)

K. Hagiwara, A. D. Martin, Daisuke Nomura +1

We calculate (g-2) of the muon and the QED coupling alpha(M_Z^2), by improving the determination of the hadronic vacuum polarization contributions and their uncertainties. We inclu…

cond-mat.mtrl-sci2003★ 38 cited

Dynamical symmetry breaking under core excitation in graphite: Polarization correlation in soft X-ray recombination emission

Y. Harada, T. Tokushima, Y. Takata +5

A recombination emission spectrum is applied to study the local lattice distortion due to core excitation in graphite. The recombination emission spectrum reveals a long low-energy…

hep-lat2003

One-loop calculation of mass dependent $O (a)$ improvement coefficients for the relativistic heavy quarks on the lattice

Sinya Aoki, Yasuhisa Kayaba, Yoshinobu Kuramashi

We carry out the one-loop calculation of mass dependent $O (a)$ improvement coefficients in the relativistic heavy quark action recently proposed, employing the ordinary pert…

hep-th2003★ 30 cited

Gauge Theory on Noncommutative Supersphere from Supermatrix Model

Satoshi Iso, Hiroshi Umetsu

We construct a supermatrix model which has a classical solution representing the noncommutative (fuzzy) two-supersphere. Expanding supermatrices around the classical background, we…

hep-th2003★ 2 cited

Snyderspace

Machiko Hatsuda, Warren Siegel

We generalize the construction of Snyder to a Lorentz covariant noncommutative superspace.

hep-ph2003★ 14 cited

Lifting degeneracies in the oscillation parameters by a neutrino factory

Mayumi Aoki, Kaoru Hagiwara, Naotoshi Okamura

We study the potential of a very long baseline neutrino oscillation experiment with a neutrino factory and a large segmented water-Cerenkov calorimeter detector in resolving the de…

hep-ex2003★ 44 cited

Improved Measurements of Branching Fractions for B->Kpi, pipi and KK Decays

The Belle Collaboration, Y. Chao, K. Suzuki +1

We report improved measurements of branching fractions for $B \to K π$ , $π^{+} π^{-}$ , $π^{+} π^{0}$ and $K K ˉ$ decays based on a data sample of 85.0 million $B B ˉ$ pairs collected at…

hep-ex2003★ 40 cited

Measurement of |V_ub| using inclusive B -> X_u l nu decays with a novel X_u-reconstruction method

H. Kakuno

We report the measurement of an inclusive partial branching fraction for charmless semileptonic B decay and the extraction of |V_ub|. Candidates for B -> X_u l nu are identified wi…

hep-ex2003★ 74 cited

Combination of CDF and D0 Results on W Boson Mass and Width

V. M. Abazov

The results based on 1992-95 data (Run 1) from the CDF and DO experiments on the measurements of the W boson mass and width are presented, along with the combined results. We repor…

hep-ex2003★ 1 cited

Electroweak Penguin B Decays at Belle

Patrick Koppenburg

We summarise the most recent results of the Belle experiment about flavour changing neutral current (FCNC) radiative and (semi-) leptonic B decays. In particular, we report about t…

hep-ex2003★ 2k cited

Observation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays

The Belle Collaboration, S. -K. Choi, S. L. Olsen

We report the observation of a narrow charmonium-like state produced in the exclusive decay process B+ -> K+ pi+pi- J/psi. This state, which decays into pi+pi- J/psi, has a mass of…

nucl-th2003★ 92 cited

Invariant-Mass Spectroscopy for Condensed Single- and Double-\kbar Nuclear Clusters to be Formed as Residues in Relativistic Heavy-Ion Collisions

Toshimitsu Yamazaki, Akinobu Dote, Yoshinori Akaishi

Using a phenomenological KN interaction combined with the method of Antisymmetrized Molecular Dynamics., we predict that few-body double-\kbar nuclei, such as ppK $^{-}$ K $^{-}$ and ppnK…

hep-th2003★ 13 cited

Dirichlet Branes of the Covariant Open Supermembrane in AdS_4 x S^7 and AdS_7 x S^4

Makoto Sakaguchi, Kentaroh Yoshida

We discuss an open supermembrane theory in the AdS_4 x S^7 and AdS_7 x S^4 backgrounds. The possible Dirichlet branes of an open supermembrane are classified by analyzing the covar…