Search Results - "Worstell, W.A"

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    Count-rate dependent event mispositioning and NEC in PET by Badawi, R.D., Domigan, P., Johnson, O., Kemp, B., Kudrolli, H., Rempel, T., Rohatgi, R., Romanov, L.V., Surti, S., Worstell, W.A., Zimmerman, R.E.

    Published in IEEE transactions on nuclear science (01-02-2004)
    “…Most current PET detector designs suffer from event mispositioning at high count rates, as scintillation light from nearby and nearly simultaneous gamma ray…”
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    Journal Article
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    The effects of pulse pile-up on point-source measurements performed on different PET scanning devices by Badawi, R.D., Surti, S., Kemp, B., Zimmerman, R.E., El Fakhri, G., Holdsworth, C.H., Worstell, W.A.

    “…We have quantified resolution and contrast loss as a function of noise-equivalent count rate on the GSO-based Philips Allegro and the pixelated NaI CPET2 using…”
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    Conference Proceeding
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    Compensating hadron calorimeters with Cerenkov light by Winn, D.R., Worstell, W.A.

    Published in IEEE transactions on nuclear science (01-02-1989)
    “…Because only a small fraction ( approximately 10%) of the energy deposition in the purely hadronic portion of a hadron shower is by minimum ionizing particles,…”
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    Journal Article
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    Count-rate dependent event mispositioning and NEC in PET by Badawi, R.D., Domigan, P., Johnson, O., Kemp, B., Kudrolli, H., Rempel, T., Rohatgi, R., Romanov, L.V., Surti, S., Worstell, W.A., Zimmerman, R.E.

    “…Most current PET detector designs suffer from event mispositioning at high count rates, as scintillation light from nearby and nearly simultaneous gamma ray…”
    Get full text
    Conference Proceeding
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    Compact representation of PET 3D system response matrices by Worstell, W.A., Adler, S.S., Kudrolli, H.A., Nevin, J.D., Romanov, L.V.

    “…We present a method for the compact storage of 3D geometric system response matrix coefficients in PET, using a separation into transaxial and axial…”
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    Conference Proceeding