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19912026
most citedEvidence for oscillation of atmospheric neutrinos

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Showing 2001Show all

190 papers · 1 filter

hep-ph2001★ 29 cited

Prospects of Very Long Base-Line Neutrino Oscillation Experiments with the KEK-JAERI High Intensity Proton Accelerator

M. Aoki, K. Hagiwara, Y. Hayato +4

We study physics potential of Very Long Base-Line (VLBL) Neutrino-Oscillation Experiments with the High Intensity Proton Accelerator (HIPA), which will be completed by the year 200…

cond-mat.mtrl-sci2001★ 106 cited

Electronic structure of the muonium center as a shallow donor in ZnO

K. Shimomura, K. Nishiyama, R. Kadono

The electronic structure and the location of muonium centers (Mu) in single-crystalline ZnO were determined for the first time. Two species of Mu centers with extremely small hyper…

cond-mat.supr-con2001★ 23 cited

Quasiparticle Excitation in the Superconducting Pyrochlore Cd2Re2O7 Probed by Muon Spin Rotation

R. Kadono, W. Higemoto, A. Koda +3

The quasiparticle excitations in the mixed state of Cd2Re2O7 have been studied by means of muon spin rotation/relaxation. The temperature dependence of the magnetic penetration dep…

hep-lat2001★ 40 cited

Application of heavy-quark effective theory to lattice QCD: III. Radiative corrections to heavy-heavy currents

Junpei Harada, Shoji Hashimoto, Andreas S. Kronfeld +1

We apply heavy-quark effective theory (HQET) to separate long- and short-distance effects of heavy quarks in lattice gauge theory. In this paper we focus on flavor-changing current…

hep-ex2001★ 48 cited

Measurement of Br(Bbar -> D+l-nubar) and Determination of |Vcb|

Belle Collaboration, K. Abe

We present a measurement of the branching fraction for the semileptonic B decay Bbar -> D+l-nubar, where l- can be either an electron or a muon. We find Gamma(Bbar -> D+l-nubar)= (…

hep-ex2001★ 35 cited

Determination of |Vcb| using the semileptonic decay \bar{B}^0 --> D^{*+}e^-\barν

Belle Collaboration, K. Abe

We present a measurement of the Cabibbo-Kobayashi-Maskawa (CKM) matrix element |Vcb| using a 10.2 fb^{-1} data sample recorded at the Υ(4S) resonance with the Belle detector at the…

hep-th2001★ 19 cited

Charged Tachyons and Gauge Symmetry Breaking

Takao Suyama

We discuss the condensation of charged tachyons in the heterotic theory on the Kaluza-Klein Melvin background. The arguments are based on duality relations which are expected to ho…

hep-lat2001

Non-perturbative renormalization in domain-wall QCD by Schrödinger functional scheme

PACS Collaboration, S. Aoki, Y. Aoki +13

We formulate and numerically test the Schrödinger functional scheme for domain-wall QCD. We then apply it to a non-perturbative calculation of the renormalization factors for vecto…

nucl-ex2001★ 277 cited

Centrality dependence of pi^[+/-], K^[+/-], p and p-bar production from sqrt(s_NN)=130 GeV Au + Au collisions at RHIC

PHENIX Collaboration, K. Adcox

Identified pi^[+/-] K^[+/-], p and p-bar transverse momentum spectra at mid-rapidity in sqrt(s_NN)=130 GeV Au-Au collisions were measured by the PHENIX experiment at RHIC as a func…

hep-lat2001★ 41 cited

Polynomial Hybrid Monte Carlo algorithm for lattice QCD with an odd number of flavors

JLQCD Collaboration, S. Aoki, R. Burkhalter +15

We present a polynomial hybrid Monte Carlo (PHMC) algorithm for lattice QCD with odd numbers of flavors of O(a)-improved Wilson quark action. The algorithm makes use of the non-Her…

hep-lat2001★ 61 cited

Application of heavy-quark effective theory to lattice QCD: II. Radiative corrections to heavy-light currents

Junpei Harada, Shoji Hashimoto, Ken-Ichi Ishikawa +3

We apply heavy-quark effective theory to separate long- and short-distance effects of heavy quarks in lattice gauge theory. In this approach, the inverse heavy-quark mass and the l…

hep-lat2001★ 7 cited

Vortex fermion on the lattice

Keiichi Nagao

The domain wall fermion formalism in lattice gauge theory is much investigated recently. This is set up by reducing 4+1 dimensional theory to low energy effective 4 dimensional one…

hep-lat2001★ 117 cited

Charmonium Spectrum from Quenched Anisotropic Lattice QCD

PACS Collaboration, M. Okamoto, S. Aoki +16

We present a detailed study of the charmonium spectrum using anisotropic lattice QCD. We first derive a tree-level improved clover quark action on the anisotropic lattice for arbit…

hep-ph2001★ 82 cited

Lepton Electric Dipole Moments in Non-Degenerate Supersymmetric Seesaw Models

John Ellis, Junji Hisano, Martti Raidal +1

In the context of supersymmetric seesaw models of neutrino masses with non-degenerate heavy neutrinos, we show that Dirac Yukawa interactions N^c_i (Y_nu)_{ij} L_j H_2 induce large…

hep-ph2001★ 86 cited

Measurement of the Total Cross Section and Differential Cross Section in Collisions at TeV

The CDF collaboration

We present measurements of the B+ meson total cross section and differential cross section . The measurements use a pb^{-1} sample of collisions at $…

hep-ex2001★ 43 cited

Observation of B+ -> chi_c0 K+

Belle Collaboration, K. Abe

Using a sample of B\bar{B}$ pairs collected with the Belle detector at the Y(4S) resonance, we make the first observation of the charged B meson decay to chi_c0 and a…

hep-lat2001

Zero temperature phase structure of multi-flavor QCD

Seyong Kim, Shigemi Ohta

To study continuum limit of lattice QCD with many light quark flavors, we investigate the zero temperature phase structures of multi-flavor QCD. Currently a series of exploratory s…

nucl-ex2001★ 9 cited

Measurement of parity-nonconserving rotation of neutron spin in the 0.734-eV p-wave resonance of

T. Haseyama, K. Asahi, J. D. Bowman +15

The parity nonconserving spin rotation of neutrons in the 0.734-eV p-wave resonance of was measured with the neutron transmission method. Two optically polarized …

hep-lat2001

Light hadron spectrum and quark masses

T. Kaneko

Recent developments in lattice QCD calculations of the light hadron spectrum and quark masses are reviewed.

astro-ph2001★ 29 cited

Study of variable stars in the MOA data base: long-period red variables in the Large Magellanic Cloud

S. Noda, M. Takeuti, F. Abe +31

One hundred and forty six long-period red variable stars in the Large Magellanic Cloud (LMC) from the three year MOA project database were analysed. A careful periodic analysis was…

hep-lat2001★ 8 cited

Relativistic heavy quarks on the lattice

Sinya Aoki, Yoshinobu Kuramashi, Shin-ichi Tominaga

We investigate feasibility of relativistic approaches to the heavy quark physics on both anisotropic and isotropic lattices. Our peturbative calculation reveals that the anisotropi…

hep-ex2001★ 7 cited

Test of exotic scalar and tensor interactions in K_e3 decay using stopped positive kaons

A. S. Levchenko

The form factors of the decay K+ --> pi0 e+ nu (K_e3) have been determined from the comparison of the experimental and Monte Carlo Dalitz distributions containing about 10^5 K_e3 e…

hep-ex2001★ 46 cited

Observation of Cabibbo-suppressed and W-exchange Lambda_c^+ baryon decays

Belle Collaboration, K. Abe

We present measurements of the Cabibbo-suppressed decays Lambda_c^+ --> Lambda0 K+ and Lambda_c^+ --> Sigma0 K+ (both first observations), Lambda_c^+ --> Sigma+ K+ pi- (seen with l…

quant-ph2001★ 29 cited

Classical Aspects of Quantum Walls in One Dimension

Tamas Fulop, Taksu Cheon, Izumi Tsutsui

We investigate the system of a particle moving on a half line x >= 0 under the general walls at x = 0 that are permitted quantum mechanically. These quantum walls, characterized by…