Search Results - "Sharapov, E.I"
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UCN sources at external beams of thermal neutrons. An example of PIK reactor
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2016)“…We consider ultracold neutron (UCN) sources based on a new method of UCN production in superfluid helium (4He). The PIK reactor is chosen as a perspective…”
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Nuclear Data and the Oklo Natural Nuclear Reactors
Published in Nuclear data sheets (01-04-2014)“…Data from the Oklo natural nuclear reactors have enabled some of the most sensitive terrestrial tests of time variation of dimensionless fundamental constants…”
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Parity violation in compound nuclei: experimental methods and recent results
Published in Physics reports (01-11-2001)“…The TRIPLE Collaboration studies of space-parity symmetry in the compound nucleus show numerous examples of parity violation in Br, Rh, Pd, Ag, Cd, In, Sn, Sb,…”
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Demonstration of sub-micron UCN position resolution using room-temperature CMOS sensor
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-12-2023)“…High spatial resolution of ultracold neutron (UCN) measurement is of growing interest to UCN experiments such as UCN spectrometers, UCN polarimeters, quantum…”
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Measurement of parity-nonconserving rotation of neutron spin in the 0.734-eV p-wave resonance of 139La
Published in Physics letters. B (01-05-2002)“…The parity nonconserving spin rotation of neutrons in the 0.734-eV p-wave resonance of 139La was measured with the neutron transmission method. Two optically…”
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New Pulsed Cold Neutron Beam Line for Fundamental Nuclear Physics at LANSCE
Published in Journal of research of the National Institute of Standards and Technology (01-05-2005)“…The NPDGamma collaboration has completed the construction of a pulsed cold neutron beam line on flight path12 at the Los Alamos Neutron Science Center…”
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Bounds on Time Reversal Violation From Polarized Neutron Capture With Unpolarized Targets
Published in Journal of research of the National Institute of Standards and Technology (01-07-2005)“…We have analyzed constraints on parity-odd time-reversal noninvariant interactions derived from measurements of the energy dependence of parity-violating…”
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Direct nn-scattering measurement with the pulsed reactor YAGUAR
Published in Journal of research of the National Institute of Standards and Technology (01-05-2005)“…Although crucial for resolving the issue of charge symmetry in the nuclear force, direct measurement of nn-scattering by colliding free neutrons has never been…”
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Projection imaging with ultracold neutrons
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2021)“…Ultracold neutron (UCN) projection imaging is demonstrated using a boron-coated back-illuminated CCD camera and the Los Alamos UCN source. Each neutron is…”
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A multilayer surface detector for ultracold neutrons
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-10-2015)“…A multilayer surface detector for ultracold neutrons (UCNs) is described. The top 10B layer is exposed to vacuum and directly captures UCNs. The ZnS:Ag layer…”
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Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-09-2016)“…Position-sensitive detection of ultracold neutrons (UCNs) is demonstrated using an imaging charge-coupled device (CCD) camera. A spatial resolution less than…”
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12
UCN Source at an External Beam of Thermal Neutrons
Published in Advances in high energy physics (01-01-2015)“…We propose a new method for production of ultracold neutrons (UCNs) in superfluid helium. The principal idea consists in installing a helium UCN source into an…”
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Experiment on direct nn scattering — The radiation-induced outgassing complication
Published in Nuclear physics. A (01-12-2012)“…The first direct neutron–neutron scattering experiment using the YAGUAR pulsed reactor has yielded initial results. They show a unforeseen significant thermal…”
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Final results for the neutron β -asymmetry parameter A 0 from the UCNA experiment
Published in EPJ Web of conferences (2019)“…The UCNA experiment was designed to measure the neutron β-asymmetry parameter A 0 using polarized ultracold neutrons (UCN). UCN produced via downscattering in…”
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Polarized neutron beam properties for measuring parity-violating spin rotation in liquid 4He
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-03-2011)“…Measurements of parity-violating neutron spin rotation can provide insight into the poorly understood nucleon–nucleon weak interaction. Because the expected…”
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Background determination for the neutron–neutron scattering experiment at the reactor YAGUAR
Published in Nuclear physics. A (01-06-2007)“…The motivation and design is outlined for the experiment to measure the neutron–neutron singlet scattering length directly with thermal neutrons at the pulsed…”
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Progress toward a new measurement of the parity violating asymmetry in [formula omitted]
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-12-2003)“…A proof-of-principle experiment using unpolarized low-energy neutron capture on polyethylene and an array of 12 CsI detectors operated in current mode has been…”
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γ -ray fluxes in Oklo natural reactors
Published in Physical review. C, Nuclear physics (05-11-2012)Get full text
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Direct nn-scattering at the YAGUAR reactor
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-12-2005)“…The Direct Investigation of ann Association (DIANNA) is finalizing the design of a direct measurement of the nn-scattering length to be performed at the YAGUAR…”
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