Search Results - "Halley, a W."
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Performance of a prototype RICH detector using hybrid photo-diodes
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (2001)“…A prototype Ring-Imaging Cherenkov detector has been operated in a charged particle test beam. Cherenkov photons are imaged onto a plane of hybrid photo-diode…”
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A prototype RICH detector using multi-anode photo multiplier tubes and hybrid photo-diodes
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-01-2001)“…The performance of a prototype Ring Imaging Cherenkov Detector is studied using a charged particle beam. The detector performance, using CF 4 and air as…”
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3
Latest beam test results from RICH prototypes using hybrid photo detectors and multi anode PMTs
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-08-1999)“…Beam tests were performed in 1998 to investigate the performance of a prototype of the downstream RICH of the LHCb using hybrid photo-diodes and multi anode…”
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4
First observation of Cherenkov ring images using hybrid photon detectors
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (1998)“…A ring-imaging Cherenkov detector, equipped with hybrid photon detectors, has been operated in a charged-particle beam. Focussed ring images from various…”
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Studies of Quantum Chromodynamics with the ALEPH detector
Published in Physics reports (1998)“…Previously published and as yet unpublished QCD results obtained with the ALEPH detector at LEP1 are presented. The unprecedented statistics allows detailed…”
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Performance of the ALEPH detector at LEP
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (15-06-1995)“…The performance of the ALEPH detector at the LEP e +e − collider is reviewed. The accuracy of the tracking detectors to measure the impact parameter and…”
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Measurement of Λ polarization from Z decays
Published in Physics letters. B (1996)“…The polarization of Λ baryons from Z decays is studied with the Aleph apparatus. Evidence of longitudinal polarization of s quarks from Z decay is observed for…”
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Measurement of the Z resonance parameters at LEP
Published in The European physical journal. C, Particles and fields (01-05-2000)“…The properties of the Z resonance are measured from the analysis of 4.5 million Z decays into fermion pairs collected with the Aleph detector at LEP. The data…”
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Tracking with the ALEPH time projection chamber
Published in IEEE transactions on nuclear science (01-04-1991)“…The tracking performance of the ALEPH time projection chamber (TPC) has been studied using the data taken during the LEP (Large Electron-Positron Collider)…”
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Measurements of the structure of quark and gluon jets in hadronic Z decays
Published in The European physical journal. C, Particles and fields (01-10-2000)“…An experimental investigation of the structure of identified quark and gluon jets is presented. Observables related to both the global and internal structure…”
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Quark and gluon jet properties in symmetric three-jet events
Published in Physics letters. B (19-09-1996)“…Quark and gluon jets with the same energy, 24 GeV, are compared in symmetric three-jet configurations from hadronic Z decays observed by the ALEPH detector…”
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Single- and multi-photon production in e +e − collisions at a centre-of-mass energy of 183 GeV
Published in Physics letters. B (1998)“…The production of final states involving one or more energetic photons from e +e − collisions is studied in a sample of 58.5 pb −1 of data recorded at a…”
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Resonant structure and flavour tagging in the Bπ± system using fully reconstructed B decays
Published in Physics letters. B (16-04-1998)“…Starting from a sample of four million hadronic Z decays collected with the ALEPH detector at LEP, 404 charged and neutral B mesons are fully reconstructed and…”
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14
Measurement of triple gauge-boson couplings at 172 GeV
Published in Physics letters. B (12-03-1998)“…The triple gauge-boson couplings, α W Φ , α W and α B Φ , have been measured using 34 semileptonically and 54 hadronically decaying W +W − candidate events…”
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Investigation of Inclusive CP Asymmetries in B$^{0}$ Decays
Published in The European physical journal. C, Particles and fields (2001)“…A search for CP violating effects in the mixing of neutral B mesons is performed using a sample of 4.1 million hadronic Z decays collected with the ALEPH…”
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Bose-Einstein correlations in W-pair decays
Published in Physics letters. B (06-04-2000)“…Bose-Einstein correlations are studied in semileptonic ( WW→q q ̄ ℓν ) and fully hadronic ( WW→q q ̄ q q ̄ ) W-pair decays with the ALEPH detector at LEP at…”
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A Measurement of $R_b$ using a Lifetime-Mass Tag
Published in Physics letters. B (22-05-1997)Get full text
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Strange b baryon production and lifetime in Z decays
Published in Physics letters. B (19-09-1996)“…In a data sample of approximately four million hadronic Z decays recorded with the ALEPH detector from 1990 to 1995, a search for the strange b baryon Ξb is…”
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Fermi–Dirac correlations in Λ pairs in hadronic Z decays
Published in Physics letters. B (02-03-2000)“…Two-particle correlations of ΛΛ and Λ ̄ Λ ̄ pairs have been studied in multihadronic Z decays recorded with the ALEPH detector at LEP in the years from 1992 to…”
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Measurement of the W mass and width in e $^+$ e $^-$ collisions at 189 GeV
Published in The European physical journal. C, Particles and fields (01-10-2000)“…The mass of the W boson is determined in ee collisions at LEP by the direct reconstruction of W decays in and events, supplemented by measurements using the…”
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