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Model of the Response Function of CUORE Bolometers

(Autor)

Buch | Hardcover
107 Seiten
2011
Springer (Verlag)
978-94-007-1231-7 (ISBN)

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Model of the Response Function of CUORE Bolometers - Marco Vignati
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In addition to providing a model explaining the spurious signals of the bolometric detectors in the Cryogenic Underground Observatory for Rare Events (CUORE) experiment, this volume also shows how to improve its detector operation and data analysis.
Large mass bolometers are used in particle physics experiments to search for rare processes, like neutrinoless double beta decay and dark matter interactions.
In the next years the CUORE experiment (a 1 Ton detector composed by  1000 crystals of  TeO2 operated as bolometers in a large cryostat at 10mK) will be the particle physics experiment with the highest chance of discovering the Majorana neutrino, a long standing and yet fundamental question of particle physics. 
The study presented in this book was performed on the bolometers of the CUORE experiment. The response function of these detectors is not linear in the energy range of interest, and it changes with the operating temperature, worsening the performances. The nonlinearity appeared to be dominated by the thermistor and the biasing circuit used to read the bolometer, and was modeled using few measurable parameters.
A method to obtain a linear response is the result of this work. It allows a great improvement of the detector operation and data analysis.
With a foreword by Fernando Ferroni.

Marco Vignati received his Master Degree in Physics from the Università di Roma - La Sapienza in June 2004 with final mark 110/110 cum laude. His degree thesis was entitled “CP asymmetry measurement within b→s transitions with the BaBar experiment” and his supervisors were Prof. Fernando Ferroni and Dr. Gianluca Cavoto. In January 2010 he received his Ph.D. in Physics from the same University under the supervision of Prof. Fernando Ferroni.

Foreword by Fernando Ferroni
1 Neutrino masses and double beta decay.- 2 TeO2 bolometric detectors for 0_DBD search.- 3 Model of the response function of CUORE bolometers.- 4 Thermal response analysis.- 5 Thermal response analysis on the Three Towers detector.- 6. Conclusions.
Appendix A: Thermal response analysis on the CCVR detector
Appendix B: Precision measurements on the Three Towers detector.

Reihe/Serie Springer Theses
Zusatzinfo XII, 107 p.
Verlagsort Dordrecht
Sprache englisch
Maße 155 x 235 mm
Themenwelt Naturwissenschaften Physik / Astronomie Atom- / Kern- / Molekularphysik
Naturwissenschaften Physik / Astronomie Hochenergiephysik / Teilchenphysik
Naturwissenschaften Physik / Astronomie Quantenphysik
Naturwissenschaften Physik / Astronomie Theoretische Physik
Schlagworte Bolometers for neutrinoless double beta decay search • CUORE data analysis • Energy calibration of bolometers • Large mass bolometers • Majorana neutrino detection • Response function of bolometric detectors • Temperature stability of bolometric detectors • Thermistor response
ISBN-10 94-007-1231-6 / 9400712316
ISBN-13 978-94-007-1231-7 / 9789400712317
Zustand Neuware
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