Search Results - "Korsch, W."
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Determination of the effective strong coupling constant αs,g1(Q2) from CLAS spin structure function data
Published in Physics letters. B (31-07-2008)“…We present a new extraction of the effective strong coupling constant αs,g1(Q2). The result agrees with a previous determination and extends the measurement of…”
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2
Experimental determination of the effective strong coupling constant
Published in Physics letters. B (05-07-2007)“…We present a first attempt to experimentally extract an effective strong coupling constant that we define to be a low Q2 extension of a previous definition by…”
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The strange quark contribution to the proton's magnetic moment
Published in Physics letters. B (11-03-2004)“…We report a new determination of the strange quark contribution to the proton's magnetic form factor at a four-momentum transfer Q2=0.1 (GeV/c)2 from…”
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First Measurement of the Atomic Electric Dipole Moment of Ra225
Published in Physical review letters (12-06-2015)“…The radioactive radium-225 (Ra225) atom is a favorable case to search for a permanent electric dipole moment. Because of its strong nuclear octupole…”
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High precision photon flux determination for photon tagging experiments
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-12-2014)“…The Jefferson Laboratory PrimEx Collaboration has developed and implemented a method to control the tagged photon flux in photoproduction experiments at the 1%…”
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Studies of the neutron spin structure at Jefferson Lab
Published in The European physical journal. A, Hadrons and nuclei (01-06-2003)Get full text
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7
Methods for optical calibration of the BigBite hadron spectrometer
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-09-2012)“…The techniques for the optical calibration of Jefferson Lab's large-acceptance magnetic hadron spectrometer, BigBite, have been examined. The most consistent…”
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Quark-hadron duality in neutron (3He) spin structure
Published in Physical review letters (31-10-2008)“…We present experimental results of the first high-precision test of quark-hadron duality in the spin-structure function g_{1} of the neutron and 3He using a…”
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Strange Magnetism and the Anapole Structure of the Proton
Published in Science (American Association for the Advancement of Science) (15-12-2000)“…The violation of mirror symmetry in the weak force provides a powerful tool to study the internal structure of the proton. Experimental results have been…”
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Higher twists and color polarizabilities in the neutron
Published in Physics letters. B (05-05-2005)“…Color polarizabilities of the neutron are extracted from data on the lowest moment of the spin-dependent g1 structure function. New data in the resonance…”
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Parity violation in elastic electron-proton scattering and the Proton's strange magnetic form factor
Published in Physical review letters (07-02-2000)“…We report a new measurement of the parity-violating asymmetry in elastic electron scattering from the proton at backward scattering angles. This asymmetry is…”
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Measurement of the Proton's Neutral Weak Magnetic Form Factor
Published in Physical review letters (01-05-1997)Get full text
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3He spin-dependent cross sections and sum rules
Published in Physical review letters (11-07-2008)“…We present a measurement of the spin-dependent cross sections for the 3He over -->(e over -->,e')X reaction in the quasielastic and resonance regions at a…”
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14
Energy dependence of moments of net-proton multiplicity distributions at RHIC
Published in Physical review letters (24-01-2014)“…We report the beam energy (sqrt[sNN]=7.7-200 GeV) and collision centrality dependence of the mean (M), standard deviation (σ), skewness (S), and kurtosis (κ)…”
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15
Beam energy dependence of moments of the net-charge multiplicity distributions in Au+Au collisions at RHIC
Published in Physical review letters (29-08-2014)“…We report the first measurements of the moments--mean (M), variance (σ(2)), skewness (S), and kurtosis (κ)--of the net-charge multiplicity distributions at…”
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First Measurement of the Atomic Electric Dipole Moment of Ra 225
Published in Physical review letters (09-06-2015)Get full text
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17
Azimuthal charged-particle correlations and possible local strong parity violation
Published in Physical review letters (18-12-2009)“…Parity-odd domains, corresponding to nontrivial topological solutions of the QCD vacuum, might be created during relativistic heavy-ion collisions. These…”
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Higher moments of net proton multiplicity distributions at RHIC
Published in Physical review letters (09-07-2010)“…We report the first measurements of the kurtosis (κ), skewness (S), and variance (σ2) of net-proton multiplicity (Np-Np) distributions at midrapidity for Au+Au…”
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Observation of the antimatter helium-4 nucleus
Published in Nature (London) (19-05-2011)“…Antimatter worth the weight The α-particle — the helium nucleus consisting of two protons and two neutrons — was identified a century ago by Ernest Rutherford…”
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Observation of an Antimatter Hypernucleus
Published in Science (American Association for the Advancement of Science) (02-04-2010)“…Stem cells support tissue maintenance by balancing self-renewal and differentiation. In mice, it is believed that a homogeneous stem cell population of single…”
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