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most citedSimulations of Galaxy Formation in a Lambda CDM Universe II: The Fine Structure of Simulated Galactic Disks

594 citations

Showing hep-exShow all

44 papers · 1 filter

hep-ex2018★ 11 cited

First Observation and Study of the Decay

2 Collaboration

The NA48/2 experiment at CERN reports the first observation of the decay from an exposure of charged kaon decays recorded in $200…

hep-ex2011★ 32 cited

Measurement of the WZ production cross section and limits on anomalous triple gauge couplings in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

ATLAS Collaboration

This Letter presents a measurement of WZ production in 1.02 fb^-1 of pp collision data at sqrt(s) = 7 TeV collected by the ATLAS experiment in 2011. Doubly leptonic decay events ar…

hep-ex2011★ 320 cited

Measurement of the pseudorapidity and transverse momentum dependence of the elliptic flow of charged particles in lead-lead collisions at sqrt(s_NN) = 2.76 TeV with the ATLAS detector

ATLAS Collaboration

This paper describes the measurement of elliptic flow of charged particles in lead-lead collisions at sqrt(s_NN) = 2.76 TeV using the ATLAS detector at the Large Hadron Collider (L…

hep-ex2008★ 13 cited

Top Quark Mass Measurement in the tt-bar All Hadronic Channel using a Matrix Element Technique in ppbar Collisions at sqrt s = 1.96 TeV

CDF Collaboration, T. Aaltonen

We present a measurement of the top quark mass in the all-hadronic channel (\tt \bb) using 943 pb of \ppbar collisions at $\sqrt {s}…

hep-ex2003★ 35 cited

Test of non-commutative QED in the process e+e- -> gamma gamma at LEP

The OPAL collaboration

Non-commutative QED would lead to deviations from the Standard Model depending on a new energy scale Lambda_NC and a unique direction in space defined by two angles eta and xi. Her…

hep-ex2002★ 10 cited

Charged particle multiplicities in heavy and light quark initiated events above the Z0 peak

The OPAL collaboration, G. Abbiendi

We have measured the mean charged particle multiplicities separately for bbbar, ccbar and light quark (uubar, ddbar, ssbar) initiated events produced in e+e- annihilations at LEP.…

hep-ex2002★ 7 cited

Measurement of Neutral-Current Four-Fermion Production at LEP2

The OPAL collaboration

Four-fermion final states qqbar e+e- and qqbar mu+mu- from neutral-current interactions in e+e- collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 1…

hep-ex2002★ 12 cited

Measurement of the b quark forward-backward asymmetry around the Z0 peak using an inclusive tag

The OPAL collaboration, G. Abbiendi

The b quark forward-backward asymmetry has been measured using hadronic Z0 decays collected by the OPAL experiment at LEP. Z0 -> bbbar decays were selected using a combination of s…

hep-ex2002★ 48 cited

Search for Scalar Top and Scalar Bottom Quarks at LEP

The OPAL collaboration, G. Abbiendi

Searches for a scalar top quark and a scalar bottom quark have been performed using a data sample of 438 pb-1 at centre-of-mass energies of sqrt(s) = 192 - 209 GeV collected with t…

hep-ex2002★ 25 cited

Search for Associated Production of Massive States Decaying into Two Photonsin e+e- Annihilations at sqrt(s) = 88-209 GeV

The OPAL collaboration, G. Abbiendi

A search is performed for production of short-lived particles in e+e- -> XY, with X -> gamma gamma and Y -> ffbar, for scalar X and scalar or vector Y. Model-independent limits in…

hep-ex2002★ 15 cited

Measurement of the Charm structure Function F2c of the Photon at LEP

The OPAL collaboration, G. Abbiendi

The production of charm quarks is studied in deep-inelastic electron-photon scattering using data recorded by the OPAL detector at LEP at normal e+e- centre-of-mass energies from 1…

hep-ex2001★ 65 cited

Search for Doubly Charged Higgs Bosons with the OPAL detector at LEP

The OPAL collaboration, G. Abbiendi

A search for pair-produced doubly charged Higgs bosons has been performed using data samples corresponding to an integrated luminosity of about 614 pb-1 collected with the OPAL det…

hep-ex2001★ 26 cited

Search for Lepton Flavour Violation in e+e- Collisions at sqrt(s) = 189 - 209 GeV

The OPAL collaboration, G. Abbiendi

We search for lepton flavour violating events (e mu, e tau and mu tau) that could be directly produced in e+e- annihilations, using the full available data sample collected with th…

hep-ex2001★ 1 cited

Angular Analysis of the Muon Pair Asymmetry at LEP 1

The OPAL collaboration, G. Abbiendi

Data on muon pair production obtained by the OPAL collaboration at centre of mass energies near the Z peak are analysed. Small angular mismatches between the directions of the two…

hep-ex2001★ 72 cited

Search for the Standard Model Higgs Boson in e+e- Collisions at sqrt(s) = 192-209 GeV

The OPAL collaboration, G. Abbiendi

A search for the Standard Model Higgs boson has been performed with the OPAL detector at LEP based on the full data sample collected at sqrt(s) = 192-209 GeV in 1999 and 2000, corr…

hep-ex2000★ 16 cited

Measurement of the B0 Lifetime and Oscillation Frequency using B0->D*+l-v decays

The OPAL collaboration, G. Abbiendi

The lifetime and oscillation frequency of the B0 meson has been measured using B0->D*+l-v decays recorded on the Z0 peak with the OPAL detector at LEP. The D*+ -> D0pi+ decays were…

hep-ex2000★ 7 cited

A Measurement of the Rate of Charm Production in W Decays

The OPAL collaboration, G. Abbiendi

Using data recorded at centre-of-mass energies around 183 GeV and 189 GeV with the OPAL detector at LEP, the fundamental coupling of the charm quark to the W boson has been studied…

hep-ex2000★ 40 cited

WW Production Cross Section and W Branching Fractions in e+e- Collisions at 189 GeV

The OPAL collaboration, G. Abbiendi

From a data sample of 183 pb^-1 recorded at a center-of-mass energy of roots = 189 GeV with the OPAL detector at LEP, 3068 W-pair candidate events are selected. Assuming Standard M…

hep-ex2000★ 21 cited

Measurement of the Mass and Width of the W Boson in e+e- Collisions at 189 GeV

The OPAL collaboration, G. Abbiendi

The mass and width of the W boson are determined in e+e- collisions at LEP using 183 pb^-1 of data recorded at a centre-of-mass energy roots=189 GeV with the OPAL detector. The inv…

hep-ex2000★ 2 cited

Searches for prompt light gravitino signatures in e+e- Collisions at sqrt{s}=189GeV

The OPAL collaboration, G. Abbiendi

Searches for final states expected in models with light gravitinos have been performed, including experimental topologies with multi-leptons with missing energy, leptons and photon…

hep-ex2000★ 41 cited

A measurement of the tau mass and the first CPT test with tau leptons

G. Abbiendi, the OPAL collaboration

We measure the mass of the tau lepton to be 1775.1+-1.6(stat)+-1.0(syst.) MeV using tau pairs from Z0 decays. To test CPT invariance we compare the masses of the positively and neg…

hep-ex2000★ 14 cited

Z boson pair production in e+e- collisions at sqrt(s) = 183 and 189 GeV

The OPAL collaboration, G. Abbiendi

A study of Z boson pair production in e+e- annihilation at center-of-mass energies near 183 GeV and 189 GeV is reported. Final states containing only leptons, (l+l-l+l- and l+l-nu…

hep-ex2000★ 43 cited

Measurement of |Vcb| using B0 to D*l nu decays

The OPAL collaboration, G. Abbiendi

The magnitude of the Cabibbo-Kobayashi-Maskawa matrix element Vcb has been measured using B0 to D*l nu decays recorded on the Z0 peak using the OPAL detector at LEP. The D* to D0 p…

hep-ex2000★ 16 cited

Search for new Physics in rare B Decays

The OPAL collaboration, G. Abbiendi

A search for the decay B+- to K+-K+-pi-+ was performed using data collected by the OPAL detector at LEP. These decays are strongly suppressed in the Standard Model but could occur…