High Energy Accelerator Research Organization

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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 1994Show all

60 papers · 1 filter

hep-ex1994★ 21 cited

Measurement of the Bs Meson Lifetime

The CDF Collaboration

The lifetime of the $B_{s}$ meson is measured using the semileptonic decay $B_{s} \to D_{s}^{-} ℓ^{+} ν X$ . The data sample consists of 19.3 pb $^{- 1}$ of $p p ˉ$ collisions at $\sqrt{s…

hep-ph1994★ 79 cited

Polarization of $τ$ lepton from scalar tau decay as a probe of neutralino mixing

Mihoko M. Nojiri

The $τ$ lepton arising from the scalar tau ($\st$) decay is naturally polarized. $\ptau$ depends on the left--right mixing of the $\st$ and the gaugino--higgsino mixing of the neut…

hep-ex1994★ 62 cited

Measurement of inclusive particle spectra and test of MLLA prediction in $e^{+} e^{-}$ annihilation at $s$ =58GeV

R. Itoh

Inclusive momentum spectra are measured for all charged particles and for each of $π^{\pm}$ , $K^{\pm}$ , $K^{0} / K^{0} ˉ$ , and $p / p ˉ$ in hadronic events produced via $e^{+} e^{-}$ an…

hep-th1994★ 7 cited

Temporal-gauge String Field with Open Strings

T. Mogami

A string field theory including open string fields is constructed in the temporal gauge. It consists of string interaction vertices similar to the light-cone gauge string field the…

hep-ex1994★ 4 cited

Measurement of the forward-backward asymmetries for charm- and bottom-quark pair productions at $< s >$ =58GeV with electron tagging

E. Nakano

We have measured, with electron tagging, the forward-backward asymmetries of charm- and bottom-quark pair productions at $< s >$ =58.01GeV, based on 23,783 hadronic events sel…

hep-ex1994

Measurement of inclusive electron cross section in $γ γ$ collisions at TRISTAN

M. Iwasaki

We have studied open charm production in $γ γ$ collisions with the TOPAZ detector at the TRISTAN $e^{+} e^{-}$ collider. In this study, charm quarks were identified by electrons (and…

hep-ph1994★ 41 cited

Probing the Weak Boson Sector in $γ e \to Z e$

S. Y. Choi

We study possible deviations from the standard model in the reaction $γ e \to Z e$ at a 500 GeV $e^{+} e^{-}$ collider. As a photon source we use a laser backscattered photon beam.…

hep-th1994★ 9 cited

The Continuum Limit of the Schwinger-Dyson Equations of the One and Two Matrix Model with Finite Loop Length

M. Ikehara

We take the continuum limit of the \sdeq s of the one and two matrix model without expanding them in the length of the loop. The resulting equations agree with those proposed for s…

hep-ex1994★ 30 cited

Feasibility Study of Single-Photon Counting Using a Fine-mesh Phototube for an Aerogel Readout

R. Enomoto et al

The fine-mesh phototube is one type of photodetector which can be used under a strong magnetic field. For an aerogel readout, the single-photon detection efficiency should be close…

hep-ex1994★ 35 cited

Kinematic Evidence for Top Quark Pair Production in $W +$ Multijet Events in $p p ˉ$ Collisions at $s$ ~=~1.8 TeV

F. Abe

We present a study of $W +$ multijet events that compares the kinematics of the observed events with expectations from direct QCD $W +$ jet production and from production and decay of…

hep-ex1994★ 116 cited

Study of a Threshold Cherenkov Counter Based on Silica Aerogels with Low Refractive Indices

I. Adachi et al

To identify $π^{\pm}$ and $K^{\pm}$ in the region of $1.0 \sim 2.5$ GeV/c, a threshold Cherenkov counter equipped with silica aerogels has been investigated. Silica aerogels with a…

hep-ex1994★ 15 cited

Test of Various Photocathodes

Ryoji Enomoto, Takayuki Sumiyoshi, Yoshio Fujita

A test of various photocathodes was carried out. The tested materials were CsI, CsTe, their multi-layers and so on. The quantum efficiencies of the various materials were measured…

hep-ex1994★ 1 cited

New Tagging Method of B Flavor of Neutral B Meson in CP Violation Measurement in Asymmetric B-Factory Experiment

R. Enomoto

In CP violation measurements in asymmetric B-factory experiments, a determination of the B flavor of the neutral B mesons is necessary. A new method to this purpose using only thre…

hep-ex1994★ 10 cited

$K^{0} (K^{0} ˉ)$ Production in Two-Photon Processes at TRISTAN

R. Enomoto

We have carried out an inclusive measurement of $K^{0} (K^{0} ˉ)$ production in two-photon processes at TRISTAN. The mean $s$ was 58 GeV and the integrated luminosity was 199…

hep-ph1994★ 21 cited

Transition radiation of the neutrino magnetic moment

M. Sakuda, Y. Kurihara

If the neutrino has a finite mass and a magnetic moment it would produce transition radiation when crossing the interface between two media. We found that the probability of transi…

hep-ph1994★ 47 cited

$e^{+} e^{-} \to e^{-} ν ˉ_{e} u d ˉ$ from LEP to linear collider energies

Y. Kurihara, D. Perret-Gallix, Y. Shimizu

The complete tree level cross section for the process $e^{+} e^{-} \to e^{-} ν ˉ_{e} u d ˉ$ is computed using the GRACE system, a program package for automatic amplitude calculation.…

hep-ph1994★ 36 cited

Charged Higgs mass bound from the $b \to s γ$ process in the minimal supergravity model

Toru Goto, Yasuhiro Okada

We study the constraint on the mass of the charged Higgs boson in the minimal supergravity model based on the recent measurement of the inclusive $b \to s γ$ decay. It is sho…

hep-ex1994★ 31 cited

Measurement of the $D^{*\pm}$ Cross Section using a Soft-Pion Analysis in Two-Photon Processes

R. Enomoto

The differential cross section of $d σ (e^{+} e^{-} \to e^{+} e^{-} D^{*\pm} X) / d P_{T}$ was measured using a soft-pion analysis of $D^{*\pm} \to π_{s}^{\pm} D^{0} (D^{0} ˉ)$ at TRISTAN. The average $\sqr…

hep-ph1994★ 24 cited

CP Violation in $τ \to 3 π ν_{τ}$

S. Y. Choi, K. Hagiwara, M. Tanabashi

We consider CP violating effects in the decays $τ \to (3 π) ν_{τ}$ where both the $J^{P} = 1^{+}$ resonance, $a_{1}$ , and $J^{P} = 0^{-}$ resonance, $π^{'}$ , can co…

hep-ex1994★ 16 cited

A Measurement of the $D^{*\pm}$ Cross Section in Two-Photon Processes

R. Enomoto

We have measured the inclusive $D^{*\pm}$ production cross section in a two-photon collision at the TRISTAN $e^{+} e^{-}$ collider. The mean $s$ of the collider was 57.16 GeV and…

hep-ph1994★ 139 cited

Charged Higgs Effects on Exclusive Semi-tauonic $\bbox{B}$ Decays

Minoru Tanaka

We study effects of charged Higgs boson exchange in the $B$ semileptonic decays $B ˉ \to D^{(*)} τ ν ˉ_{τ}$ . Both branching ratio and $τ$ polarization are examined. We use…

hep-lat1994★ 4 cited

Charmonium spectroscopy with heavy Kogut-Susskind quarks

S. Aoki, M. Fukugita, S. Hashimoto +5

Charmonium spectroscopy with Kogut-Susskind valence quarks are carried out for quenched QCD at $β = 6.0$ and for two-flavor full QCD at $β = 5.7$ . Results for 1P--1S mass splitting and…

hep-ph1994★ 9 cited

Constraints on the electroweak universal parameters and the top and Higgs masses from updated LEP/SLC data

Seiji Matsumoto

A global analysis is performed using the latest data from LEP and SLC. Constraints on the electroweak universal parameters ( $S, T, U$ ) and on the masses of the top quark and Higgs bo…

hep-ph1994★ 11 cited

A Natural Explanation of All Solar Neutrino Data by Resonant Spin-Flavor Precession Scenario

C. S. Lim, H. Nunokawa

It is emphasized that the $E_{ν}$ (neutrino energy) spectrum of the $ν_{e}$ survival probability in the Resonant Spin-Flavor Precession (RSFP) scenario has very desirable shape to reco…

Measurement of the Bs Meson Lifetime

Polarization of τ lepton from scalar tau decay as a probe of neutralino mixing

Measurement of inclusive particle spectra and test of MLLA prediction in e+e− annihilation at s​=58GeV

Temporal-gauge String Field with Open Strings

Measurement of the forward-backward asymmetries for charm- and bottom-quark pair productions at <s​>=58GeV with electron tagging

Measurement of inclusive electron cross section in γγ collisions at TRISTAN

Probing the Weak Boson Sector in γe→Ze

The Continuum Limit of the Schwinger-Dyson Equations of the One and Two Matrix Model with Finite Loop Length

Feasibility Study of Single-Photon Counting Using a Fine-mesh Phototube for an Aerogel Readout

Kinematic Evidence for Top Quark Pair Production in W+ Multijet Events in ppˉ​ Collisions at s​~=~1.8 TeV

Study of a Threshold Cherenkov Counter Based on Silica Aerogels with Low Refractive Indices

Test of Various Photocathodes

New Tagging Method of B Flavor of Neutral B Meson in CP Violation Measurement in Asymmetric B-Factory Experiment

K0(K0ˉ) Production in Two-Photon Processes at TRISTAN

Transition radiation of the neutrino magnetic moment

e+e−→e−νˉe​udˉ from LEP to linear collider energies

Charged Higgs mass bound from the b→sγ process in the minimal supergravity model

Measurement of the D∗± Cross Section using a Soft-Pion Analysis in Two-Photon Processes

CP Violation in τ→3πντ​

A Measurement of the D∗± Cross Section in Two-Photon Processes

Charged Higgs Effects on Exclusive Semi-tauonic $\bbox{B}$ Decays

Charmonium spectroscopy with heavy Kogut-Susskind quarks

Constraints on the electroweak universal parameters and the top and Higgs masses from updated LEP/SLC data

A Natural Explanation of All Solar Neutrino Data by Resonant Spin-Flavor Precession Scenario

Polarization of $τ$ lepton from scalar tau decay as a probe of neutralino mixing

Measurement of inclusive particle spectra and test of MLLA prediction in $e^{+} e^{-}$ annihilation at $s$ =58GeV

Measurement of the forward-backward asymmetries for charm- and bottom-quark pair productions at $< s >$ =58GeV with electron tagging

Measurement of inclusive electron cross section in $γ γ$ collisions at TRISTAN

Probing the Weak Boson Sector in $γ e \to Z e$

Kinematic Evidence for Top Quark Pair Production in $W +$ Multijet Events in $p p ˉ$ Collisions at $s$ ~=~1.8 TeV

$K^{0} (K^{0} ˉ)$ Production in Two-Photon Processes at TRISTAN

$e^{+} e^{-} \to e^{-} ν ˉ_{e} u d ˉ$ from LEP to linear collider energies

Charged Higgs mass bound from the $b \to s γ$ process in the minimal supergravity model

Measurement of the $D^{*\pm}$ Cross Section using a Soft-Pion Analysis in Two-Photon Processes

CP Violation in $τ \to 3 π ν_{τ}$

A Measurement of the $D^{*\pm}$ Cross Section in Two-Photon Processes