activity
19982004
most citedMeasurement of the Total Cross Section for Hadronic Production by e+e- Annihilation at Energies between 2.6-5 Gev

147 citations · 663 across the 17 of their papers we have counts for

collaborators

17 papers

hep-ex2004★ 28 cited

A Study of J/psi-->gamma gamma V(rho,phi) Decays with the BESII Detector

BES Collaboration

Using a sample of events collected with the BESII detector, radiative decays , where or , are studied. A resonance around 1420 MeV/c (…

hep-ex2003★ 27 cited

Improved measurement of the branching ratio of J/psi-->K_S K_L

J. Z. Bai

The branching ratio of J/psi-->K_S K_L is measured with improved precision to be B(J/psi-->K_S K_L) = (1.82\pm 0.04\pm 0.13)\times 10^{-4}. using J/psi data collected with the Beij…

hep-ex2003★ 70 cited

Evidence of psi(3770) non-DD-bar Decay to J/psi pi+pi-

BES Collaboration

Evidence of decays to a non- final state is observed. A total of $ψ(3770) \to \PPJP$ events are obtained from a data sample of 27.7 $\r…

hep-ph2002★ 31 cited

A Measurement of Psi(2S) Resonance Parameters

BES Collaboration, J. Z. Bai

Cross sections for e+e- to hadons, pi+pi- J/Psi, and mu+mu- have been measured in the vicinity of the Psi(2S) resonance using the BESII detector operated at the BEPC. The Psi(2S) t…

hep-ex2002★ 18 cited

Psi(2S) two- and three-body hadronic decays

BES Collaboration, J. Z. Bai

We report measurements of branching fractions for psi(2S) decays into omega pi pi, b1 pi,omega f2(1270),omega KK, omega p pbar, phi pi pi, phi f0(980),phi KK, and an upper limit fo…

hep-ex2001★ 1 cited

Sleuth: A Quasi-Model-Independent Search Strategy for New Physics

Bruce Knuteson

How can we search for new physics when we only vaguely know what it should look like? How can we perform an unbiased yet data-driven search? If we see apparently anomalous events i…

hep-ex2001★ 68 cited

Study of N* Production from J/Psi--> p pbar eta

J. Z. Bai, ; H. C. Chiang, G. X. Peng +2

Data are presented on the reaction J/psi--> p pbar eta using 7.8 million J/psi triggers collected by the BEjing Spectrometer (BES). A partial wave analysis is performed. A clear en…

hep-ex2001★ 75 cited

High-p_T Jets in pbarp Collisions at sqrt{s} = 630 and 1800 GeV

D0 collaboration, B. Abbott

Results are presented from analyses of jet data produced in pbarp collisions at sqrt{s} = 630 and 1800 GeV collected with the DO detector during the 1994-95 Fermilab Tevatron Colli…

hep-ex2000★ 7 cited

First Measurement of the Branching Fraction of the Decay psi(2S) --> tau tau

J. Z. Bai

The branching fraction of the psi(2S) decay into tau pair has been measured for the first time using the BES detector at the Beijing Electron-Positron Collider. The result is $B_{τ…

hep-ex2000★ 72 cited

Cross Section for b Jet Production in pbar-p Collisions at sqrt(s) = 1.8 TeV

D0 collaboration, B. Abbott

Bottom quark production in pbar-p collisions at sqrt(s)=1.8 TeV is studied with 5 inverse picobarns of data collected in 1995 by the DO detector at the Fermilab Tevatron Collider.…

hep-ex2000★ 11 cited

Search for R-parity Violation in Multilepton Final States in p-barp Collisions at sqrt{s}=1.8 TeV

The D0 Collaboration

The result of a search for gaugino pair production with a trilepton signature is reinterpreted in the framework of minimal supergravity (mSUGRA) with R-parity violation via leptoni…

hep-ex2000★ 16 cited

A Measurement of the Mass and Full-Width of the Meson

J. Z. Bai

In a sample of 7.8 million decays collected in the Beijing Spectrometer, the process J/ is observed for five different decay channels: , $π^+π^-…

hep-ex1999★ 12 cited

Limits on Quark Compositeness from High Energy Jets in PbarP Collisions at 1.8 TeV

D0 collaboration, B. Abbott

Events in PbarP collisions at sqrt(s)=1.8 TeV with total transverse energy exceeding 500 GeV are used to set limits on quark substructure. The data are consistent with next-to-lead…

hep-ex1999★ 147 cited

Measurement of the Total Cross Section for Hadronic Production by e+e- Annihilation at Energies between 2.6-5 Gev

J. Z. Bai

Using the upgraded Beijing Spectrometer (BESII), we have measured the total cross section for annihilation into hadronic final states at center-of-mass energies of 2.6, 3.…

hep-ex1998★ 39 cited

Study of the Hadronic Decays of χ_c States

J. Z. Bai

Hadronic decays of the P-wave spin-triplet charmonium states χ_cJ (J=0,1,2) are studied using a sample of ψ(2S) decays collected by the BES detector operating at the BEPC storage r…

hep-ex1998★ 23 cited

Determination of the J/psi Leptonic Branching Fraction via psi(2S) -> pi^+ pi^- J/psi

J. Z. Bai

A comparison of the rates for psi(2S) -> pi^+ pi^- J/psi, J/psi -> l^+l^- and J/psi -> anything is used to determine the J/psi leptonic branching fractions. The results are B(J/psi…

hep-ex1998★ 18 cited

Branching Fractions for and

J. Z. Bai

We report the first measurements of the branching fractions: and . The $…