Search Results - "Kaufman, L.J"
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Glioma Expansion in Collagen I Matrices: Analyzing Collagen Concentration-Dependent Growth and Motility Patterns
Published in Biophysical journal (01-07-2005)“…We study the growth and invasion of glioblastoma multiforme (GBM) in three-dimensional collagen I matrices of varying collagen concentration. Phase-contrast…”
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Characterization of large area APDs for the EXO-200 detector
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-09-2009)“…Enriched Xenon Observatory (EXO)-200 uses 468 large area avalanche photodiodes (LAAPDs) for detection of scintillation light in an ultra-low-background liquid…”
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Study of a zirconium getter for purification of xenon gas
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-08-2010)“…Oxygen, nitrogen and methane purification efficiencies for a common zirconium getter are measured in 1050 Torr of xenon gas. Starting with impurity…”
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Characterization of the Hamamatsu VUV4 MPPCs for nEXO
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2019)“…In this paper we report on the characterization of the Hamamatsu VUV4 (S/N: S13370-6152) Vacuum Ultra-Violet (VUV) sensitive Multi-Pixel Photon Counters…”
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Trace radioactive impurities in final construction materials for EXO-200
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-11-2017)“…We report results from a systematic measurement campaign conducted to identify low radioactivity materials for the construction of the EXO-200 double beta…”
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An RF-only ion-funnel for extraction from high-pressure gases
Published in International journal of mass spectrometry (15-03-2015)“…[Display omitted] •We present a new and simple design of an RF-only ion funnel.•Longitudinal ion transport is provided by the residual gas flow through the…”
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Measurement of the 3He spin-structure functions and of neutron (3He) spin-dependent sum rules at 0.035 ≤ Q2 ≤ 0.24 GeV2
Published in Physics letters. B (01-06-2020)“…The spin-structure functions g1 and g2, and the spin-dependent partial cross-section σTT have been extracted from the polarized cross-sections differences,…”
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Exclusive neutral pion electroproduction in the deeply virtual regime
Published in Physical review. C, Nuclear physics (02-02-2011)“…We present measurements of the ep->ep pi^0 cross section extracted at two values of four-momentum transfer Q^2=1.9 GeV^2 and Q^2=2.3 GeV^2 at Jefferson Lab…”
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A simple high-sensitivity technique for purity analysis of xenon gas
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-09-2010)“…We report on the development and performance of a high-sensitivity purity-analysis technique for gaseous xenon. The gas is sampled at macroscopic pressure from…”
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A xenon gas purity monitor for EXO
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-12-2011)“…We discuss the design, operation, and calibration of two versions of a xenon gas purity monitor (GPM) developed for the EXO double beta decay program. The…”
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A xenon condenser with a remote liquid storage vessel
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-11-2009)“…We describe the design and operation of a system for xenon liquefaction in which the condenser is separated from the liquid storage vessel. The condenser is…”
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Probing the High Momentum Component of the Deuteron at High Q 2
Published in Physical review letters (01-12-2011)“…The d(e,e'p) cross section at a momentum transfer of 3.5 (GeV/c)^2 was measured over a kinematical range that made it possible to study this reaction for a set…”
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Precision Measurement of the Weak Mixing Angle in Moeller Scattering
Published in Physical review letters (19-08-2005)“…We report on a precision measurement of the parity-violating asymmetry in fixed target electron-electron (Moeller) scattering: A{sub…”
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Performance of the radphi detector and trigger in a high rate tagged photon beam
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-01-2007)“…We describe the design and operation of a detector system for measuring all-photon decays of mesons photoproduced in a tagged photon beam with energies between…”
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High Resolution Spectroscopy of 12B_Lambda by Electroproduction
Published in Physical review letters (01-07-2007)“…An experiment measuring electroproduction of hypernuclei has been performed in Hall A at Jefferson Lab on a $^{12}$C target. In order to increase counting…”
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High resolution spectroscopy of $^{12}_\Lambda$ B by electroproduction
Published in Physical review letters (2007)“…An experiment measuring electroproduction of hypernuclei has been performed in Hall A at Jefferson Lab on a $^{12}$C target. In order to increase counting…”
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Constraints on the nucleon strange form factors at Q2∼0.1 GeV2
Published in Physics letters. B (20-04-2006)“…We report the most precise measurement to date of a parity-violating asymmetry in elastic electron–proton scattering. The measurement was carried out with a…”
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Constraints on the nucleon strange form factors at Q 2 ∼ 0.1 GeV 2
Published in Physics letters. B (01-04-2006)Get full text
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