Published June 11, 2005
| Version v1
Journal article
Spontaneous light emission from fibers in MINOS
Creators
- 1. Stanford University, Stanford, CA 94305 (United States)
- 2. Western Washington University, Bellingham, WA 98225 (United States)
- 3. Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11OQX (United Kingdom)
- 4. Indiana University, Bloomington, IN 47405 (United States)
- 5. University of Wisconsin, Madison, WI 53706 (United States)
- 6. University of Texas, Austin, TX 78712 (United States)
- 7. Harvard University, Cambridge, MA 02138 (United States)
- 8. University of Minnesota, Minneapolis, MN 55455 (United States)
- 9. University College London, London WC1E 6BT (United Kingdom)
- 10. College of William and Mary, Williamsburg, VA 23187 (United States)
- 11. California Institute of Technology, Pasadena, CA 91125 (United States)
- 12. Texas A and M University, College Station, TX 77843 (United States)
Description
We report on the observation and measurements of unexpected background rates in the MINOS Far Detector. The noise level at the Far Detector is significantly greater than that expected from natural radioactivity and intrinsic photomultiplier dark current. We have conducted a series of additional tests which demonstrate that the excess rate is caused by spontaneous light emission in the wavelength-shifting fibers, which are used to read out signals from scintillator strips. This noise due to fibers exhibits an exponential fall off with time with a decay time constant of the order of 100 days
Additional details
Identifiers
- DOI
- 10.1016/j.nima.2005.01.340;
- PII
- S0168-9002(05)00587-5;
Publishing Information
- Journal Title
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
- Journal Volume
- 545
- Journal Issue
- 1-2
- Journal Page Range
- p. 145-155
- ISSN
- 0168-9002
- CODEN
- NIMAER
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 37036624
- Subject category
- S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
- Descriptors DEI
- FIBERS; NATURAL RADIOACTIVITY; NOISE; PHOTOMULTIPLIERS; PHOTON EMISSION; READOUT SYSTEMS; VISIBLE RADIATION; WAVELENGTHS
- Descriptors DEC
- ELECTROMAGNETIC RADIATION; EMISSION; PHOTOTUBES; RADIATIONS; RADIOACTIVITY
Optional Information
- Copyright
- Copyright (c) 2005 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.