Search Results - "Allkofer, Y"
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Observation of π^{-}K^{+} and π^{+}K^{-} Atoms
Published in Physical review letters (09-09-2016)“…The observation of hydrogenlike πK atoms, consisting of π^{-}K^{+} or π^{+}K^{-} mesons, is presented. The atoms are produced by 24 GeV/c protons from the…”
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First πK atom lifetime and πK scattering length measurements
Published in Physics letters. B (30-07-2014)“…The results of a search for hydrogen-like atoms consisting of π∓K± mesons are presented. Evidence for πK atom production by 24 GeV/c protons from CERN PS…”
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Design and performance of the silicon sensors for the CMS barrel pixel detector
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-01-2008)“…The CMS experiment at the (LHC) includes a hybrid silicon pixel detector for the reconstruction of charged tracks and of the interaction vertices. The barrel…”
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Evidence for πK-atoms with DIRAC
Published in Physics letters. B (06-04-2009)“…We present evidence for the first observation of electromagnetically bound π±K∓-pairs (πK-atoms) with the DIRAC experiment at the CERN-PS. The πK-atoms are…”
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A new aerogel Cherenkov detector for DIRAC-II
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-09-2008)“…A new threshold Cherenkov detector using silica aerogel radiators is in operation in the DIRAC-II experiment at CERN. A duplex design was chosen to…”
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A novel aerogel Cherenkov detector for DIRAC-II
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-11-2007)“…We present a new threshold Cherenkov detector using silica aerogel radiators with wavelength shifter. A duplex design was chosen to discriminate between kaons…”
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Observation, modeling, and temperature dependence of doubly peaked electric fields in irradiated silicon pixel sensors
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-09-2006)“…We show that doubly peaked electric fields are necessary to describe grazing-angle charge collection measurements of irradiated silicon pixel sensors. A model…”
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A double junction model of irradiated silicon pixel sensors for LHC
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (30-11-2006)“…In this paper, we discuss the measurement of charge collection in irradiated silicon pixel sensors and the comparison with a detailed simulation. The…”
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Extraction of electric field in heavily irradiated silicon pixel sensors
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-05-2006)“…A new method for the extraction of the electric field in the bulk of heavily irradiated silicon pixel sensors is presented. It is based on the measurement of…”
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Observation of πK-atoms with DIRAC-II
Published in Hyperfine interactions (01-09-2009)“…We present evidence for the first observation of electromagnetically bound π ± K ∓ -pairs ( πK -atoms) with the DIRAC-II experiment at the CERN-PS. The πK…”
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Observation of [pi] super(-)K+ and [pi] super(+)K- Atoms
Published in Physical review letters (09-09-2016)“…The observation of hydrogenlike [pi]K atoms, consisting of [pi] super(-)K+ or [pi] super(+)K- mesons, is presented. The atoms are produced by 24GeV/c protons…”
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12
Upgraded DIRAC spectrometer at CERN PS for the investigation of ππ and πK atoms
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-12-2016)“…The DIRAC spectrometer installed at CERN PS was upgraded in order to study simultaneously A2π and AπK atoms, namely the bound states of two π mesons, and of π…”
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The C 4F 10 Cherenkov detector for DIRAC-II
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (2008)“…A new threshold Cherenkov detector using C 4F 10 gas radiator was built and put into operation in the DIRAC-II experiment at CERN. Running on the C 4F 10 at…”
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The AEGIS experiment at CERN: Measuring the free fall of antihydrogen
Published in Hyperfine interactions (01-05-2012)“…After the first production of cold antihydrogen by the ATHENA and ATRAP experiments ten years ago, new second-generation experiments are aimed at measuring the…”
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Evidence for π K-atoms with DIRAC
Published in Physics letters. B (2009)Get full text
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17
Scintillation efficiency of liquid argon in low energy neutron-argon scattering
Published 04-06-2015“…Experiments searching for weak interacting massive particles with noble gases such as liquid argon require very low detection thresholds for nuclear recoils. A…”
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Study of nuclear recoils in liquid argon with monoenergetic neutrons
Published 05-03-2012“…Journal of Physics: Conference Series 375 (2012) 012019 For the development of liquid argon dark matter detectors we assembled a setup in the laboratory to…”
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Measurement of the $\pi K$ atom lifetime and the $\pi K$ scattering length
Published 07-07-2017“…Phys. Rev. D 96, 052002 (2017) After having announced the statistically significant observation (5.6~$\sigma$) of the new exotic $\pi K$ atom, the DIRAC…”
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First $\pi K$ atom lifetime and $\pi K$ scattering length measurements
Published 04-03-2014“…The results of a search for hydrogen-like atoms consisting of $\pi^{\mp}K^{\pm}$ mesons are presented. Evidence for $\pi K$ atom production by 24 GeV/c protons…”
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