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Plasma effect in Silicon Charge Coupled Devices (CCDs)

Journal Article · · Nucl.Instrum.Meth.A
 [1];  [2];  [3]
  1. Fermilab
  2. Asuncion Natl. U.
  3. Buenos Aires, CONICET; Centro Atomico Bariloche; Cuyo U.
+ Show Author Affiliations

Plasma effect is observed in CCDs exposed to heavy ionizing alpha-particles with energies in the range 0.5 - 5.5 MeV. The results obtained for the size of the charge clusters reconstructed on the CCD pixels agrees with previous measurements in the high energy region (>3.5 MeV). The measurements were extended to lower energies using alpha-particles produced by (n,alpha) reactions of neutrons in a Boron-10 target. The effective linear charge density for the plasma column is measured as a function of energy. The results demonstrate the potential for high position resolution in the reconstruction of alpha particles, which opens an interesting possibility for using these detectors in neutron imaging applications.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1967486
Report Number(s):
FERMILAB-PUB-11-291-AE; arXiv:1105.3229; oai:inspirehep.net:900389
Journal Information:
Nucl.Instrum.Meth.A, Journal Name: Nucl.Instrum.Meth.A Vol. 665
Country of Publication:
United States
Language:
English

References (5)

Review of Particle Physics journal July 2010
Study of the charge sharing in a silicon pixel detector by means of α-particles interacting with a Medipix2 device
  • Campbell, M.; Heijne, E.; Holý, T.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 591, Issue 1 https://doi.org/10.1016/j.nima.2008.03.096
journal June 2008
Fully depleted, back-illuminated charge-coupled devices fabricated on high-resistivity silicon journal January 2003
Cosmic rays and other nonsense in astronomical CCD imagers journal January 2002
Range-Energy Relation for Low-Energy Alpha Particles in Si, Ge, and InSb journal July 1956

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS