Long-term radiation damage to a spaceborne germanium spectrometer

P. Kurczynski; R. H. Pehl; E. L. Hull; D. Palmer; M. J. Harris; H. Seifert; B. J. Teegarden; N. Gehrels; T. L. Cline; R. Ramaty; D. Sheppard; N. W. Madden; P. N. Luke; C. P. Cork; D. A. Landis; D. F. Malone; K. Hurley

doi:10.1016/S0168-9002(99)00283-1

Long-term radiation damage to a spaceborne germanium spectrometer

P. Kurczynski, R. H. Pehl, E. L. Hull, D. Palmer, M. J. Harris, H. Seifert, B. J. Teegarden, N. Gehrels, T. L. Cline, R. Ramaty, D. Sheppard, N. W. Madden, P. N. Luke, C. P. Cork, D. A. Landis, D. F. Malone, K. Hurley

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

The Transient Gamma-Ray Spectrometer aboard the Wind spacecraft in deep space has observed gamma-ray bursts and solar events for four years. The germanium detector in the instrument has gradually deteriorated from exposure to the ≈ 10⁸ p/cm²/yr(> 100 MeV) cosmic-ray flux. Low-energy tailing and loss of efficiency, attributed to hole trapping and conversion of the germanium from n- to p-type as a result of crystal damage, were observed. Raising the detector bias voltage ameliorated both difficulties and restored the spectrometer to working operation. Together, these observations extend our understanding of the effects of radiation damage to include the previously unsuccessfully studied regime of long-term operation in space.

Original language	English (US)
Pages (from-to)	141-147
Number of pages	7
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	431
Issue number	1
DOIs	https://doi.org/10.1016/S0168-9002(99)00283-1
State	Published - Jul 11 1999
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Instrumentation

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10.1016/S0168-9002(99)00283-1

Cite this

Kurczynski, P., Pehl, R. H., Hull, E. L., Palmer, D., Harris, M. J., Seifert, H., Teegarden, B. J., Gehrels, N., Cline, T. L., Ramaty, R., Sheppard, D., Madden, N. W., Luke, P. N., Cork, C. P., Landis, D. A., Malone, D. F., & Hurley, K. (1999). Long-term radiation damage to a spaceborne germanium spectrometer. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 431(1), 141-147. https://doi.org/10.1016/S0168-9002(99)00283-1

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title = "Long-term radiation damage to a spaceborne germanium spectrometer",

abstract = "The Transient Gamma-Ray Spectrometer aboard the Wind spacecraft in deep space has observed gamma-ray bursts and solar events for four years. The germanium detector in the instrument has gradually deteriorated from exposure to the ≈ 108 p/cm2/yr(> 100 MeV) cosmic-ray flux. Low-energy tailing and loss of efficiency, attributed to hole trapping and conversion of the germanium from n- to p-type as a result of crystal damage, were observed. Raising the detector bias voltage ameliorated both difficulties and restored the spectrometer to working operation. Together, these observations extend our understanding of the effects of radiation damage to include the previously unsuccessfully studied regime of long-term operation in space.",

author = "P. Kurczynski and Pehl, {R. H.} and Hull, {E. L.} and D. Palmer and Harris, {M. J.} and H. Seifert and Teegarden, {B. J.} and N. Gehrels and Cline, {T. L.} and R. Ramaty and D. Sheppard and Madden, {N. W.} and Luke, {P. N.} and Cork, {C. P.} and Landis, {D. A.} and Malone, {D. F.} and K. Hurley",

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doi = "10.1016/S0168-9002(99)00283-1",

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Kurczynski, P, Pehl, RH, Hull, EL, Palmer, D, Harris, MJ, Seifert, H, Teegarden, BJ, Gehrels, N, Cline, TL, Ramaty, R, Sheppard, D, Madden, NW, Luke, PN, Cork, CP, Landis, DA, Malone, DF & Hurley, K 1999, 'Long-term radiation damage to a spaceborne germanium spectrometer', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 431, no. 1, pp. 141-147. https://doi.org/10.1016/S0168-9002(99)00283-1

TY - JOUR

T1 - Long-term radiation damage to a spaceborne germanium spectrometer

AU - Kurczynski, P.

AU - Pehl, R. H.

AU - Hull, E. L.

AU - Palmer, D.

AU - Harris, M. J.

AU - Seifert, H.

AU - Teegarden, B. J.

AU - Gehrels, N.

AU - Cline, T. L.

AU - Ramaty, R.

AU - Sheppard, D.

AU - Madden, N. W.

AU - Luke, P. N.

AU - Cork, C. P.

AU - Landis, D. A.

AU - Malone, D. F.

AU - Hurley, K.

PY - 1999/7/11

Y1 - 1999/7/11

N2 - The Transient Gamma-Ray Spectrometer aboard the Wind spacecraft in deep space has observed gamma-ray bursts and solar events for four years. The germanium detector in the instrument has gradually deteriorated from exposure to the ≈ 108 p/cm2/yr(> 100 MeV) cosmic-ray flux. Low-energy tailing and loss of efficiency, attributed to hole trapping and conversion of the germanium from n- to p-type as a result of crystal damage, were observed. Raising the detector bias voltage ameliorated both difficulties and restored the spectrometer to working operation. Together, these observations extend our understanding of the effects of radiation damage to include the previously unsuccessfully studied regime of long-term operation in space.

AB - The Transient Gamma-Ray Spectrometer aboard the Wind spacecraft in deep space has observed gamma-ray bursts and solar events for four years. The germanium detector in the instrument has gradually deteriorated from exposure to the ≈ 108 p/cm2/yr(> 100 MeV) cosmic-ray flux. Low-energy tailing and loss of efficiency, attributed to hole trapping and conversion of the germanium from n- to p-type as a result of crystal damage, were observed. Raising the detector bias voltage ameliorated both difficulties and restored the spectrometer to working operation. Together, these observations extend our understanding of the effects of radiation damage to include the previously unsuccessfully studied regime of long-term operation in space.

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IS - 1

ER -

Long-term radiation damage to a spaceborne germanium spectrometer

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