Search Results - "Chollet, J C."
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Space charge in ionization detectors and the NA48 electromagnetic calorimeter
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (1999)“…The subject of space charge due to positive ions slowly moving in parallel plate ionization chambers is considered. A model for the degradation of the detector…”
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Measurement of the K L → e + e − e + e − decay rate
Published in Physics letters. B (26-05-2005)Get full text
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A precision measurement of direct CP violation in the decay of neutral kaons into two pions
Published in Physics letters. B (19-09-2002)“…The direct CP violation parameter Re(ϵ′/ϵ) has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS. The…”
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A new measurement of direct CP violation in two pion decays of the neutral kaon
Published in Physics letters. B (1999)“…The NA48 experiment at CERN has performed a new measurement of direct CP violation, based on data taken in 1997 by simultaneously collecting K L and K S decays…”
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Charged baryon and antibaryon production in the fragmentation region by 240 GeV protons
Published in Zeitschrift für Physik C Particles and Fields (1980)Get full text
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Measurement of the $\Xi^0 \rightarrow \Lambda gamma$ decay asymmetry and branching fraction
Published in Physics letters. B (2004)“…In data taken with the NA48 experiment at the CERN SPS in 1999, 730 candidates of the weak radiative hyperon decay Xi0 -> Lambda gamma have been found with an…”
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Precise measurements of the $K_{S} \to \gamma\gamma$ and $K_{L} \to \gamma\gamma$ decay rates
Published in Physics letters. B (2003)“…Affiliations: CERN Imprint: 10 Oct 2002 Pages: 10 p Subjects: Particle Physics - Experimental Results Accelerator: CERN SPS Experiment: NA48 (CERN Expt. Grey…”
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Investigation of $K_{L,S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decays
Published in The European physical journal. C, Particles and fields (2003)Get full text
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Search for the decay $K_{s} \to \pi^{0}\gamma\gamma
Published in Physics letters. B (2002)“…A search for the decay K_S -> pi0gammagamma has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a…”
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Precise measurement of the decay $K_{L} \to\pi^{0}\gamma\gamma
Published in Physics letters. B (2002)“…The decay rate of $\klpgg$ has been measured with the NA48 detector at the CERN SPS. A total of $2558$ $\klpgg$ candidates have been observed with a residual…”
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New measurements of the $\eta$ and $K^0$ masses
Published in Physics letters. B (2002)“…New measurements of the $\eta$ and $K^0$ masses have been performed using decays to 3$\pi^0$ with the NA48 detector at the CERN SPS. Using symmetric decays to…”
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Search for the decay $K_{s} \to \pi^{0}e^{+}e^{-}
Published in Physics letters. B (2001)“…A search for the decay $\kspiee$ has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity…”
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Measurement of the quadratic slope parameter in the $K_{L} \rightarrow 3\pi^{0}$ decay Dalitz plot
Published in Physics letters. B (2001)“…A value of \( (-6.1\pm 0.9_{stat}\pm 0.5_{syst})\times 10^{-3} \) is obtained for the quadratic slope parameter \( h \) in the \( K_{L}\rightarrow 3\pi ^{0} \)…”
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Measurement of the decay rate and form factor parameter $\alpha_{K}$ in the decay $K_{L} \rightarrow e^{+}e^{-}\gamma
Published in Physics letters. B (1999)Get full text
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Measurements of hyperon semileptonic decays at the CERN Super Proton Synchrotron: IV. Tests of the Cabibbo model
Published in Zeitschrift für Physik C Particles and Fields (01-03-1983)Get full text
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Measurements of hyperon semileptonic decays at the CERN Super Proton Synchrotron: II. The 1-011-011-01decay modes
Published in Zeitschrift für Physik C Particles and Fields (01-03-1983)Get full text
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A measurement of electron-tau universality from decays of intermediate vector bosons at the CERN $$\bar pp$$ collider
Published in Zeitschrift für Physik C Particles and Fields (01-06-1991)Get full text
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Measurement of the transverse momentum distributions ofW andZ bosons at the CERN $$\bar pp$$ collider
Published in Zeitschrift f r Physik C Particles and Fields (01-12-1990)Get full text
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Direct photon production in $$\bar pp$$ in collisions at $$\sqrt s = 630$$ GeV
Published in Zeitschrift für Physik C Particles and Fields (01-09-1988)Get full text
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