Search Results - "Camarda, S."

Impact of selenium addition to the cadmium-zinc-telluride matrix for producing high energy resolution X-and gamma-ray detectors by Roy, Utpal N., Camarda, Giuseppe S., Cui, Yonggang, Yang, Ge, James, Ralph B.

“…Both material quality and detector performance have been steadily improving over the past few years for the leading room temperature radiation detector…”
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HERAFitter by Alekhin, S, Behnke, O, Belov, P, Borroni, S, Botje, M, Britzger, D, Camarda, S

“…HERAFitter is an open-source package that provides a framework for the determination of the parton distribution functions (PDFs) of the proton and for many…”
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QCD analysis of W- and Z-boson production at Tevatron by developers’ team, HERAFitter, Camarda, S., Belov, P., Cooper-Sarkar, A. M., Diaconu, C., Glazov, A., Guffanti, A., Jung, A., Kolesnikov, V., Lohwasser, K., Myronenko, V., Olness, F., Pirumov, H., Plačakytė, R., Radescu, V., Sapronov, A., Slominski, W., Starovoitov, P., Sutton, M.

“…Recent measurements of the W -boson charge asymmetry and of the Z -boson production cross sections, performed at the Tevatron collider in Run II by the D0 and…”
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Impact of the heavy-quark matching scales in PDF fits by Bertone, V., Britzger, D., Camarda, S., Cooper-Sarkar, A., Geiser, A., Giuli, F., Glazov, A., Godat, E., Kusina, A., Luszczak, A., Lyonnet, F., Olness, F., Plačakytė, R., Radescu, V., Schienbein, I., Zenaiev, O.

“…We investigate the impact of displaced heavy-quark matching scales in a global fit. The heavy-quark matching scale μ m determines at which energy scale μ the…”
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Novel Approach to Surface Processing for Improving the Efficiency of CdZnTe Detectors by Hossain, A., Bolotnikov, A. E., Camarda, G. S., Cui, Y., Jones, D., Hall, J., Kim, K. H., Mwathi, J., Tong, X., Yang, G., James, R. B.

“…We emphasize an improvement of the surface processing procedures for cadmium zinc telluride (CZT) detectors, which is one of the principal problems limiting…”
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Performance Study of Virtual Frisch Grid CdZnTeSe Detectors by Roy, Utpal N, Camarda, Giuseppe S, Cui, Yonggang, James, Ralph B

“…Nuclear detectors for x-ray and gamma-ray spectroscopy and imaging are a vital tool in many homeland security, medical imaging, astrophysics and other…”
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Growth and characterization of detector-grade CdMnTe by the vertical Bridgman technique by Roy, U. N., Okobiah, O. K., Camarda, G. S., Cui, Y., Gul, R., Hossain, A., Yang, G., Egarievwe, S. U., James, R. B.

“…We grew Cd1-xMnxTe crystals with a nominal Mn concentration of 5% by the vertical Bridgman growth technique. The compositional variation along the length of…”
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Advances in CdZnTeSe for Radiation Detector Applications by Roy, Utpal N., Camarda, Giuseppe S., Cui, Yonggang, James, Ralph B.

“…Detection of X- and gamma-rays is essential to a wide range of applications from medical imaging to high energy physics, astronomy, and homeland security…”
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Charge-transport properties of as-grown Cd1-xZnxTe1-ySey by the traveling heater method by Roy, U. N., Camarda, G. S., Cui, Y., Gul, R., Yang, G., James, R. B.

“…In this article, we report on the charge-transport characteristics of a new quaternary material Cd1-xZnxTe1-ySey (CZTS) grown by the Traveling Heater Method…”
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Vanadium-Doped Cadmium Manganese Telluride (Cd1−xMnxTe) Crystals as X- and Gamma-Ray Detectors by Hossain, A., Cui, Y., Bolotnikov, A.E., Camarda, G.S., Yang, G., Kochanowska, D., Witkowska-Baran, M., Mycielski, A., James, R.B.

“…CdMnTe offers several potential advantages over CdZnTe as a room- temperature gamma-ray detector, but many drawbacks in its growth process impede the…”
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Impurity gettering effect of Te inclusions in CdZnTe single crystals by Yang, G., Bolotnikov, A.E., Cui, Y., Camarda, G.S., Hossain, A., James, R.B.

“…The local impurity distribution in Te inclusions of CdZnTe (CZT) crystal was investigated by the time-of-flight secondary ion mass spectrometry (Tof-SIMS)…”
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Size and distribution of Te inclusions in THM as-grown CZT wafers: The effect of the rate of crystal cooling by Roy, U.N., Weiler, S., Stein, J., Hossain, A., Camarda, G.S., Bolotnikov, A.E., James, R.B.

“…The concentration and size distribution of Te inclusions/precipitates in CZT are key factors in a device's performance. High concentrations can degrade the…”
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Parton distribution functions at LO, NLO and NNLO with correlated uncertainties between orders by Belov, P., Britzger, D., Camarda, S., Cooper-Sarkar, A. M., Diaconu, C., Feltesse, J., Gizhko, A., Glazov, A., Kolesnikov, V., Lohwasser, K., Luszczak, A., Myronenko, V., Pirumov, H., Plačakytė, R., Rabbertz, K., Radescu, V., Sapronov, A., Schöning, A., Shushkevich, S., Slominski, W., Starovoitov, P., Sutton, M., Tomaszewska, J., Turkot, O., Watt, G., Wichmann, K., Lisovyi, M.

“…Sets of parton distribution functions (PDFs) of the proton are reported for the leading (LO), next-to-leading (NLO) and next-to-next-to-leading-order (NNLO)…”
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Array of Virtual Frisch-Grid CZT Detectors With Common Cathode Readout for Correcting Charge Signals and Rejection of Incomplete Charge-Collection Events by Bolotnikov, A. E., Butcher, J., Camarda, G. S., Cui, Y., De Geronimo, G., Fried, J., Gul, R., Fochuk, P. M., Hamade, M., Hossain, A., Kim, K. H., Kopach, O. V., Petryk, M., Vernon, E., Yang, G., James, R. B.

“…New results from testing an array of 6 \,\times\, 6 \,\times\, 15 mm ^{3} virtual Frisch-grid CdZnTe (CZT) detectors with common-cathode readout for charge…”
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Correlations Between Crystal Defects and Performance of CdZnTe Detectors by Bolotnikov, A. E., Babalola, S., Camarda, G. S., Cui, Y., Gul, R., Egarievwe, S. U., Fochuk, P. M., Fuerstnau, M., Horace, J., Hossain, A., Jones, F., Kim, K. H., Kopach, O. V., McCall, B., Marchini, L., Raghothamachar, B., Taggart, R., Yang, G., Xu, L., James, R. B.

“…Poor crystallinity remains a major problem affecting the availability and cost of CdZnTe (CZT) detectors. Point defects are responsible for small gradual…”
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Assessment of a new ZnO:Al contact to CdZnTe for X- and gamma-ray detector applications by Roy, U. N., Camarda, G. S., Cui, Y., Gul, R., Hossain, A., Yang, G., Mundle, R. M., Pradhan, A. K., James, R. B.

“…The large mismatch of the coefficients of thermal expansion (CTE) between the metal contact and CdZnTe exerts thermal stress at the metal/CZT interface, which…”
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Temperature-gradient annealing of CdZnTe under Te overpressure by Kim, K.H., Suh, J., Bolotnikov, A.E., Fochuk, P.M., Kopach, O.V., Camarda, G.S., Cui, Y., Hossain, A., Yang, G., Hong, J., James, R.B.

“…The performance of CdZnTe (CZT) detectors is limited not only by conventional carrier-trapping to point defects but also by trapping at macroscopic Te…”
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Prismatic punching defects in CdTe compounds by Kim, K.H., Bolotnikov, A.E., Camarda, G.S., Franc, J., Fochuk, P., James, R.B.

“…The origin and nature of star-shaped prismatic punching defects (PPDs) were analyzed by white-beam X-ray diffraction topography (WBXDT) and photoluminescence…”
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New Approaches for Making Large-Volume and Uniform CdZnTe and CdMnTe Detectors by Kim, K. H., Bolotnikov, A. E., Camarda, G. S., Tappero, R., Hossain, A., Cui, Y., Franc, J., Marchini, L., Zappettini, A., Fochuk, P., Yang, G., Gul, R., James, R. B.

“…Although CdZnTe (CZT) and CdMnTe (CMT) materials are leading contenders for room-temperature semiconductor detectors, nonetheless, both materials have…”
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Internal Electric-Field-Lines Distribution in CdZnTe Detectors Measured Using X-Ray Mapping by Bolotnikov, A.E., Camarda, G.S., Cui, Y., Hossain, A., Yang, G., Yao, H.W., James, R.B.

“…The ideal operation of CdZnTe devices entails having a uniformly distributed internal electric field. Such uniformity especially is critical for thick…”
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