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19912026
Showing 2001 · hep-exShow all

22 papers · 2 filters

hep-ex2001★ 26 cited

Measurement of the B0-anti-B0-Oscillation Frequency with Inclusive Dilepton Events

B. Aubert

The - oscillation frequency has been measured with a sample of 23 million $\B\bar B$ pairs collected with the BABAR detector at the PEP-II asymmetric B Factory at SL…

hep-ex2001★ 32 cited

Measurement of B0-anti-B0 Flavor Oscillations in Hadronic B0 Decays

B. Aubert

Flavor oscillations of neutral mesons have been studied in annihilation data collected with the BABAR detector at center-of-mass energies near the resonance. T…

hep-ex2001★ 95 cited

Search for scalar leptons in e+e- collisions at centre-of-mass energies up to 209GeV

ALEPH Collaboration

A search for selectron, smuon and stau pair production is performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies up to 209 GeV. The numbers of ca…

hep-ex2001

Results on mixing in the D0 system from BaBar

Monika Grothe

With 12.3 fb-1 collected by the BaBar experiment in 2001, the mixing parameter y = Delta(Gamma)/(2 Gamma) is determined from the ratio of the D0 lifetimes measured in the D0 --> K-…

hep-ex2001★ 19 cited

Direct CP Violation Searches in Charmless Hadronic B Meson Decays

The BABAR Collaboration, B. Aubert

We search for direct CP violation in charmless hadronic B decays observed in a sample of about 22.7 million pairs collected with the BABAR detector at the PEP-II asymmet…

hep-ex2001★ 15 cited

Improved Direct Measurement of and at the Pole Using a Lepton Tag

SLD Collaboration, Kenji Abe

The parity violation parameters and of the and couplings have been measured directly, using the polar angle dependence of the polarized cross s…

hep-ex2001★ 1 cited

Research and Development towards a Detector for a High Energy Electron-Positron Linear Collider

Bruce A. Schumm

This exposition provides a detailed picture of ongoing and planned activities towards the development of a detector for a high-energy Linear Collider. Cases for which research and…

hep-ex2001★ 40 cited

Measurement of B-->K*gamma Branching Fractions and Charge Asymmetries

B. Aubert

The branching fractions of the exclusive decays and are measured from a sample of decays collected with th…

hep-ex2001★ 37 cited

Searches for excited fermions in ep collisions at HERA

ZEUS Collaboration, S. Chekanov

Searches in ep collisions for heavy excited fermions have been performed with the ZEUS detector at HERA. Excited states of electrons and quarks have been searched for in e^+p colli…

hep-ex2001★ 156 cited

TESLA Technical Design Report, Part VI, Chapter 1: The Photon Collider at TESLA

B. Badelek, C. Blochinger, J. Blumlein +96

TESLA Technical Design Report, Part VI, Chapter 1: The Photon Collider at TESLA

hep-ex2001★ 49 cited

Measurements of the branching fractions of exclusive charmless B meson decays with or mesons

B. Aubert

We present the results of searches for B decays to charmless two-body final states containing or mesons, based on 20.7 fb of data collected with the BABAR det…

hep-ex2001★ 7 cited

A study of B^+/- --> J/psi pi^+/- and B^+/- --> J/psi K^+/- decays: measurement of the ratio of branching fractions and search for direct CP-violating charge asymmetries

B. Aubert

We have studied the B^+/- --> J/psi pi^+/- and B^+/- --> J/psi K^+/- decays using a 20.7 fb-1 data set collected with the BABAR detector. We observe a signal of 51+/-10 B^+/- --> J…

hep-ex2001★ 56 cited

Measurement of the B-->J/psi K^*(892) decay amplitudes

B. Aubert, The BABAR Collaboration

We present a measurement of the decay amplitudes in B-->J/psi K^*(892) channels using 20.7 fb-1 of data collected at the Upsilon(4S) resonance with the BABAR detector at PEP-II. We…

hep-ex2001★ 27 cited

Measurement of the B^0 and B^+ meson lifetimes with fully reconstructed hadronic final states

B. Aubert

The B0 and B+ meson lifetimes have been measured in e+e- annihilation data collected in 1999 and 2000 with the BABAR detector at center-of-mass energies near the Upsilon(4S) resona…

hep-ex2001★ 165 cited

Study of the fragmentation of b quarks into B mesons at the Z peak

ALEPH Collaboration

The fragmentation of b quarks into B mesons is studied with four million hadronic Z decays collected by the ALEPH experiment during the years 1991-1995. A semi-exclusive reconstruc…

hep-ex2001★ 60 cited

Measurement of production in continuum annihilations near GeV

The BABAR Collaboration, B. Aubert

The production of mesons in continuum annihilations has been studied with the BABAR detector at energies near the resonance, approximately 10.6 GeV. The meso…

hep-ex2001★ 1 cited

Study of the decay

Fermilab E791 Collaboration

Using data from the E791 fixed-target hadroproduction experiment at Fermilab we have studied the Cabibbo-favored but phase-space suppressed decay, . We fin…

hep-ex2001★ 1.4k cited

The BABAR Detector

The BABAR Collaboration

BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson deca…

hep-ex2001★ 33 cited

Measurement of the decays B-->phi K and B-->phi K^*

B. Aubert, BABAR Collaboration

We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions…

hep-ex2001★ 162 cited

Measurement of CP-violating asymmetries in B0 decays to CP eigenstates

The BABAR Collaboration, B. Aubert

We present measurements of time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates. The measurement uses a data sample of 23 million Upsilon(4S)-->B-a…

hep-ex2001

Update on the Measurement of alpha_S with a 500 GeV Linear Collider

Bruce A. Schumm, Andrew S. Truitt

An update on the prospects for the precise measurement of the strong coupling constant alpha_S at a high energy Linear Collider via the three-jet rate is presented. In particular,…

hep-ex2001★ 10 cited

Improved Measurement of the Probability for Gluon Splitting into b bbar in Z0 Decays

Koya Abe et al

We have measured gluon splitting into bottom quarks, g -> b bbar, in hadronic Z0 decays collected by SLD between 1996 and 1998. The analysis was performed by looking for secondary…