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most citedSciPy 1.0--Fundamental Algorithms for Scientific Computing in Python

40.2k citations

Showing 2003Show all

52 papers · 1 filter

nucl-th2003★ 17 cited

Case of Almost Redundant Components in 3 alpha Faddeev Equations

Y. Fujiwara, Y. Suzuki, M. Kohno

The 3 alpha orthogonality condition model using the Pauli-forbidden bound states of the Buck, Friedlich and Wheatly alpha alpha potential can yield a compact 3 alpha ground state w…

cond-mat.str-el2003★ 86 cited

First- and Second Order Phase Transitions in the Holstein-Hubbard Model

W. Koller, D. Meyer, Y. Ono +1

We investigate metal-insulator transitions in the Holstein-Hubbard model as a function of the on-site electron-electron interaction U and the electron-phonon coupling g. We use sev…

hep-ph2003★ 7 cited

Non-perturbative Kahler Potential, Dilaton Stabilization and Fayet-Iliopoulos Term

Tetsutaro Higaki, Yoshiharu Kawamura, Tatsuo Kobayashi +1

We study the dilaton stabilization in models with anomalous U(1) symmetry by adding specific string-motivated, non-perturbative corrections to the tree-level dilaton Kähler potenti…

gr-qc2003★ 13 cited

Toward the search for gravitational waves from inspiralling compact binaries in TAMA300 data during 2003: data quality and stability

Hirotaka Takahashi, Hideyuki Tagoshi, the TAMA Collaboration

We present the preliminary results of the analysis to search for inspiraling compact binaries using TAMA300 DT8 data which was taken during 2003. We compare the quality and the sta…

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 , , and decays based on a data sample of 85.0 million 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★ 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…

cond-mat.str-el2003★ 95 cited

Ferroquadrupole ordering and Gamma_5 rattling motion in clathrate compound Ce_3Pd_20Ge_6

Yuichi Nemoto, Takashi Yamaguchi, Takenobu Horino +6

Lattice effects in a cerium based clathrate compound Ce_3Pd_20Ge_6 with a cubic Cr_23C_6-type structure have been investigated by ultrasonic and thermal expansion measurements. Ela…

cond-mat.mtrl-sci2003

29Si Nuclear-Spin Decoherence Process Directly Observed by Multiple Spin-Echoes for Pure and Carrier-less Silicon

Shinji Watanabe, Susumu Sasaki

We report on the 29Si nuclear spin decoherence time at room temperature for a pure (99.99999%, 7N) and carrier-less (p-type, doping level of 10^15cm-3) silicon in which 29Si nuclei…

hep-lat2003

An Approach to Higher Dimensional Theories Based on Lattice Gauge Theory

M. Murata, H. So

A higher dimensional lattice space can be decomposed into a number of four-dimensional lattices called as layers. The higher dimensional gauge theory on the lattice can be interpre…

nucl-th2003★ 15 cited

Solving Three-Cluster OCM Equations in the Faddeev Formalism

Y. Fujiwara, M. Kohno, Y. Suzuki

Two different types of orthogonality condition models (OCM) are equivalently formulated in the Faddeev formalism. One is the OCM which uses pairwise orthogonality conditions for th…

hep-ex2003★ 97 cited

An Upper Bound on the Decay tau -> mu gamma from Belle

K. Abe

We have performed a search for the lepton-flavor-violating decay tau -> mu gamma using a data sample of 86.3fb^{-1} accumulated by the Belle detector at KEK. No evidence for a sign…

hep-ex2003★ 75 cited

Observation of B+ -> p pbar pi+, B0 -> p pbar K0, and B+ -> p pbar K*+

M. -Z. Wang

We report the first observation of a b -> u type charmless baryonic B decay, B+ -> p pbar pi+, as well as b -> s type B0 -> p pbar K0 and B+ -> p pbar K*+ decays. The analysis is b…

hep-ex2003★ 5 cited

Search for B^- --> J/psi Lambda p-bar decay

S. L. Zang

We report the results of a search for $B^{-} \to \jpsi Λ\pbar$ based on a data set of 78 fb data collected at the resonance with the Belle detector at the KEKB asymm…

hep-ex2003★ 84 cited

Observation of

A. Ishikawa

We report the first observation of the flavor-changing neutral current decay and an improved measurement of the decay , where $\ell…

hep-ex2003★ 201 cited

Precise Measurement of the Solar Neutrino Day/Night and Seasonal Variation in Super-Kamiokande-I

Kamiokande Collaboration

The time variation of the elastic scattering rate of solar neutrinos with electrons in Super-Kamiokande-I was fit to the variations expected from active two-neutrino oscillations.…

hep-ph2003★ 36 cited

Can Symmetric Texture reproduce Neutrino Bi-large Mixing?

Masako Bando, Satoru Kaneko, Midori Obara +1

We study the symmetric texture of geometric form with 2-zeros to see if it is consistent with the presently-known neutrino masses and mixings. In the neutrino mass matrix elements…

hep-ex2003★ 11 cited

Observation of radiative B -> phi K gamma decays

A. Drutskoy

The radiative decay is observed for the first time. The branching fraction for the charged decay mode is measured to be ${\cal B}(B^- \to ϕK^- γ) = (3…

hep-ph2003★ 15 cited

Anomalous U(1) D-term Contribution in Type I String Models

Tetsutaro Higaki, Yoshiharu Kawamura, Tatsuo Kobayashi +1

We study the -term contribution for anomalous U(1) symmetries in type I string models and derive general formula for the -term contribution, assuming that the dominant source…

hep-ex2003★ 2k cited

Observation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays

The Belle Collaboration, K. Abe

We report the first observation of a narrow charmmonium 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…

hep-ex2003★ 63 cited

A search for periodic modulations of the solar neutrino flux in Super-Kamiokande-I

J. Yoo

A search for periodic modulations of the solar neutrino flux was performed using the Super-Kamiokande-I data taken from May 31st, 1996 to July 15th, 2001. The detector's capability…

hep-ex2003★ 163 cited

Evidence for B0->pi0pi0

The Belle Collaboration, S. H. Lee

We report evidence for the decay B0->pi0pi0. The analysis is based on a data sample of 152million BBbar pairs collected at the Upsilon(4s) resonance with the Belle detector at the…

hep-ex2003★ 47 cited

Measurement of the CP Asymmetry in B -> X_s gamma

S. Nishida

Direct CP violation in the b->sgamma process is a sensitive probe of physics beyond the Standard Model. We report a measurement of the CP asymmetry in B -> X_s gamma, where the had…

hep-ex2003★ 21 cited

Observation of Radiative Decay

The Belle Collaboration, O. Tajima

We report the observation of the decay with a statistical significance of in $78.1 \ifb$ of data collected by the Belle experiment at the KEKB colli…