Search Results - "Hanna, D.S."
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Simulations of a Scintillator Compton Gamma Imager for Safety and Security
Published in IEEE transactions on nuclear science (01-06-2009)“…We are designing an all-scintillator Compton gamma imager for use in security investigations and remediation actions involving radioactive threat material. To…”
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OSETI with STACEE: a search for nanosecond optical transients from nearby stars
Published in Astrobiology (01-05-2009)“…We have used the Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE) high-energy gamma-ray detector to look for fast blue-green laser pulses from the…”
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The STACEE ground-based gamma-ray detector
Published in IEEE transactions on nuclear science (01-12-2005)“…We describe the design and performance of the Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE) in its complete configuration. STACEE uses the…”
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Genetic variation in the HLA region is associated with susceptibility to herpes zoster
Published in Genes and immunity (01-01-2015)“…Herpes zoster, commonly referred to as shingles, is caused by the varicella zoster virus (VZV). VZV initially manifests as chicken pox, most commonly in…”
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Development of a Compton imager based on bars of scintillator
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-12-2014)“…We have developed a compact Compton gamma-ray imager with a large field of view and a low channel-count that is capable of quickly localizing gamma-ray sources…”
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First demonstration of a Compton gamma imager based on silicon photomultipliers
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2012)“…We are developing a rugged and person-transportable Compton gamma imager for use in security investigations of radioactive materials, and for radiological…”
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Very high-energy observations of the two high-frequency peaked BL Lac objects 1ES 1218 + 304 and H 1426 + 428
Published in Astroparticle physics (01-04-2011)“…We present results of very-high-energy gamma-ray observations ( E γ > 160 GeV) of two high-frequency-peaked BL Lac (HBL) objects, 1ES 1218 + 304 and H 1426 +…”
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Measurement of elastic ϒ photoproduction at HERA
Published in Physics letters. B (08-10-1998)“…The photoproduction reaction γp→ μ +μ −p has been studied in ep interactions using the ZEUS detector at HERA. The data sample corresponds to an integrated…”
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Very high energy observations of the BL Lac objects 3C 66A and OJ 287
Published in Astroparticle physics (01-11-2007)“…Using the Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE), we have observed the BL Lac objects 3C 66A and OJ 287. These are members of the class…”
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Measurement of exclusive ω electroproduction at HERA
Published in Physics letters. B (17-08-2000)“…The exclusive electroproduction of ω mesons, ep→ eωp, has been studied in the kinematic range 3< Q 2<20 GeV 2, 40< W<120 GeV and | t|<0.6 GeV 2 with the ZEUS…”
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Measurement of inclusive prompt photon photoproduction at HERA
Published in Physics letters. B (01-01-2000)“…First inclusive measurements of isolated prompt photons in photoproduction at the HERA ep collider have been made with the ZEUS detector, using an integrated…”
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Measurement of azimuthal asymmetries in deep inelastic scattering
Published in Physics letters. B (25-05-2000)“…The distribution of the azimuthal angle for the charged hadrons has been studied in the hadronic centre-of-mass system for neutral current deep inelastic…”
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Measurement of elastic φ photoproduction at HERA
Published in Physics letters. B (13-06-1996)“…The production of φ mesons in the reaction e + p → e + φp ( gf → K + K −) at a median Q 2 of 10 −4 GeV 2 h been studied with the ZEUS detector at HERA. The…”
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The STACEE-32 ground based gamma-ray detector
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-09-2002)“…We describe the design and performance of the Solar Tower Atmospheric Cherenkov Effect Experiment detector in its initial configuration (STACEE-32). STACEE is…”
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Measurement of inclusive ( Ds±) photoproduction at HERA
Published in Physics letters. B (25-05-2000)“…The first measurement of inclusive D s ± photoproduction at HERA has been performed with the ZEUS detector for photon-proton centre-of-mass energies 130<W<280…”
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Design studies for an all-scintillator Compton telescope
Published in 2008 IEEE Nuclear Science Symposium Conference Record (01-10-2008)“…We are designing an all-scintillator Compton gamma imager to be used in criminal and security investigations involving radioactive threat material. We have…”
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Conference Proceeding -
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Measurement of dijet cross sections for events with a leading neutron in photoproduction at HERA
Published in Nuclear physics. B (26-02-2001)“…Differential cross sections for dijet photoproduction in association with a leading neutron using the reaction e ++ p→ e ++ n+jet+jet+ X r have been measured…”
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Extraction of the gluon density of the proton at x
Published in Physics letters. B (23-02-1995)“…The gluon momentum density xg( x, Q 2) of the proton was extracted at Q 2 = 20 GeV 2 for small values of x between 4 × 10 −4 and 10 −2 from the scaling…”
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Exclusive ϱ0 production in deep inelastic electron-proton scattering at HERA
Published in Physics letters. B (24-08-1995)“…The exclusive production of ϱ 0 mesons in deep inelastic electron-proton scattering has been studied using the ZEUS detector. Cross sections have been measured…”
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Rapidity gaps between jets in photoproduction at HERA
Published in Physics letters. B (15-02-1996)“…Photoproduction events which have two or more jets have been studied in the W γp range 135 GeV < W γp < 280 GeV with the ZEUS detector at HERA. A class of…”
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