Energy scales in X-ray microcalorimeters

Andy Tillotson, K. R. Boyce, G. V. Brown, J. Cottam, E. Figueroa-Feliciano, R. L. Kelley, F. S. Porter, C. K. Stahle

    Research output: Contribution to journalArticle

    Abstract

    Microcalorimeter pulse shape characteristics, such as pulse height, decay constant, and rise time, are dependent on the detector temperature and bias as well as incident photon energy. We examine the nature of the temperature dependency by illuminating the Astro-E2 X-ray Spectrometer microcalorimeter array with X-rays generated by electron impact on a selection of foil targets. The resulting pulses are collected over a range of detector temperatures. We observe and model these pulses by fitting the data with non-linear pulse models. Our aim is to determine a robust method for correcting the energy scale obtained in ground calibration for slight differences in the operating conditions while in orbit.

    Original languageEnglish (US)
    Pages (from-to)595-598
    Number of pages4
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume520
    Issue number1-3
    DOIs
    StatePublished - Mar 11 2004

    Fingerprint

    calorimeters
    X rays
    pulses
    Detectors
    X ray spectrometers
    x rays
    Temperature
    Metal foil
    energy
    detectors
    Orbits
    pulse amplitude
    Photons
    Calibration
    illuminating
    electron impact
    temperature
    foils
    Electrons
    spectrometers

    Keywords

    • Microcalorimeter array
    • Thermal detectors

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics
    • Instrumentation

    Cite this

    Tillotson, A., Boyce, K. R., Brown, G. V., Cottam, J., Figueroa-Feliciano, E., Kelley, R. L., ... Stahle, C. K. (2004). Energy scales in X-ray microcalorimeters. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 520(1-3), 595-598. https://doi.org/10.1016/j.nima.2003.11.324

    Energy scales in X-ray microcalorimeters. / Tillotson, Andy; Boyce, K. R.; Brown, G. V.; Cottam, J.; Figueroa-Feliciano, E.; Kelley, R. L.; Porter, F. S.; Stahle, C. K.

    In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 520, No. 1-3, 11.03.2004, p. 595-598.

    Research output: Contribution to journalArticle

    Tillotson, A, Boyce, KR, Brown, GV, Cottam, J, Figueroa-Feliciano, E, Kelley, RL, Porter, FS & Stahle, CK 2004, 'Energy scales in X-ray microcalorimeters', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 520, no. 1-3, pp. 595-598. https://doi.org/10.1016/j.nima.2003.11.324
    Tillotson, Andy ; Boyce, K. R. ; Brown, G. V. ; Cottam, J. ; Figueroa-Feliciano, E. ; Kelley, R. L. ; Porter, F. S. ; Stahle, C. K. / Energy scales in X-ray microcalorimeters. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2004 ; Vol. 520, No. 1-3. pp. 595-598.
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