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Study on Neutron-induced Background in the CRESST Experiment

Published online by Cambridge University Press:  26 May 2016

H. Wulandari ,
F. Von Feilitzsch ,
M. Huber ,
Th. Jagemann ,
J. Jochum ,
T. Lachenmaier ,
J.-C. Lanfranchi ,
W. Potzel ,
W. Rau  and
M. Stark
...Show all authors
H. Wulandari
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
F. Von Feilitzsch
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
M. Huber
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
Th. Jagemann
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
J. Jochum
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
T. Lachenmaier
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
J.-C. Lanfranchi
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
W. Potzel
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
W. Rau
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
M. Stark
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany
S. Waller
Affiliation:
Physik Department E-15, Technische Universität München, James-Franckstr., D-85747 Garching, Germany

Abstract

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CRESST II is an experiment for direct WIMP search, using cryogenic detectors. the ratio of the two signals (temperature rise and scintillation light) measured for each interaction is an excellent parameter for discrimination of the radioactive background. the main remaining background is the neutron flux present at the experimental site, since neutrons produce the same signals as WIMPs do. Based on Monte Carlo simulations the present work shows how neutrons from different origins affect CRESST and which measures have to be taken into account to reach the sensitivity goal.

Type
Part 15: Direct Detection of Elementary Particles
Information
Symposium - International Astronomical Union , Volume 220: Dark Matter in Galaxies , 2004 , pp. 491 - 492
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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