Cryostat for ultra-low-energy threshold germanium spectrometers

IEEE Transactions on Nuclear Science

Volumn 60, Issue 2, 2013, Pages 1168-1174

  Aalseth, Craig E ^a   Bonicalzi, Ricco M ^a   Fast, James E ^a   Hossbach, Todd W ^a   Orrell, John L ^a   Overman, Cory T ^a   Vandevender, Brent A ^a  

^a PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

Author keywords

Cryostat; Electrical field model; Low energy threshold; P type point contact germanium detector; Thermal model

Indexed keywords

DIRECT DETECTION; GERMANIUM DETECTOR; GERMANIUM SPECTROMETERS; LOW-ENERGY THRESHOLD; NUCLEAR RECOIL; THERMAL MODEL; THERMAL PERFORMANCE; ULTRA LOW ENERGY;

COHERENT SCATTERING; DETECTORS; GERMANIUM; POINT CONTACTS; SPECTROMETERS;

CRYOSTATS;

EID: 84876284600     PISSN: 00189499     EISSN: None     Source Type: Journal    
DOI: 10.1109/TNS.2012.2224669     Document Type: Article

References (17)

1. C. E. Aalseth et al., Results from a search for light-mass dark matter with a p-type point contact germanium detector," Phys. Rev. Lett., vol. 106, Mar. 2011.
2. P. S. Barbeau, J. I. Collar, and O. Tench, Large-mass ultralow noise germanium detectors: Performance and applications in neutrino and astroparticle physics," J. Cosmol. Astropart. Phys., Sep. 2007.
3. J. Goulon et al., "Advanced detection systems for x-ray fluorescence excitation spectroscopy," J. Synchrotron Rad., vol. 12, no. 1, pp. 57-69, Jan. 2005.
4. T. Nashashibi and G. White, "Low noise FET with integrated charge restoration for radiation detectors," IEEE Trans. Nucl. Sci., vol. 37, pp. 452-456, Apr. 1990.
5. T. Nashashibi, "The pentafet and its applications in high resolution and high rate radiation spectrometers," Nucl. Instrum.Meth. A, vol. 322, pp. 551-556, 1992.
6. C. E. Aalseth et al., "Ultra-low-background copper production and clean fabrication," in Topical workshop on low radioactivity techniques: LRT 2004, AIP Conf. Proc., 2005, vol. 785, pp. 170-176.
7. E. W. Hoppe et al., "Use of electrodeposition for sample preparation and rejection rate prediction for assay of electroformed ultra high purity copper for 232Th and 238U prior to inductively coupled plasma mass spectrometry (ICP/MS)," J. Rad. Nucl. Chem., vol. 277, no. 1, pp. 103-110, 2008.
8. W. R. Nelson, H. Hirayama, and D. W. O. Rogers, The EGS4 Code System, Stanford Linear Accelerator Center Report 1985, SLAC-265.
9. V. Radeka, "State of the art of low noise amplifiers for semiconductor radiation detectors," in Proc. Intl. Symp. Nucl. Elec., Sep. 1968, vol. 1, pp. 46-74.
10. G. F. Knoll, Radiation Detection and Measurement, 4th ed. Hoboken: Wiley, 2010, p. 424.
11. J. E. Fast et al., "Ahigh-efficiency fieldable germaniumdetector array," IEEE Trans. Nucl. Sci., vol. 56, no. 3, pp. 1224-1228, Jun. 2009.
12. C. E. Aalseth, J. A. Caggiano, A. R. Day, J. E. Fast, and E. S. Fuller, "Construction and testing of a low power cryostat for MARS," Pacific Northwest Nat. Laboratory Document PNNL-16922, Sep. 2007.
13. J. Yu, A. L. Yee, and R. E. Schwall, "Thermal conductance of Cu/Cu and Cu/Si interfaces from 85 K to 300 K," Cryogenics, vol. 32, no. 7, pp. 610-615, 1992.
14. V. Radeka, "Optimum signal-processing for pulse-amplitude spectrometry in presence of high-rate effects and noise," IEEE Trans. Nucl. Sci., vol. 15, no. 3, pp. 455-470, 1968.
15. Maxwellsoftware by ANSYS, Inc.
16. Personal Communication With J. I. Collar. Future Joint Publication on the Impact of DielectricMaterial Contributions to Noise in Germanium Spectrometers is Planned.
17. E.W. Hoppe, "Leaching procedure for teflon/PTFE, HDPE, PP, PEEK, pCTFE, delrin," Pacific Northwest National Laboratory Document, May 2012.