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3. NEW CUORICINO RESULTS AND THE CUORE PROJECT

Author

Monica Sisti, C. Brofferio, M. Balata, A. Morales, S. Pirro, Raffaele Ardito, C. Rosenfeld, Marco Barucci, Marco Pallavicini, P. Gorla, F. Ferroni, D. R. Artusa, E. Previtali, M. Pedretti, Reina H. Maruyama, L. Carbone, F. Capozzi, Samuele Sangiorgio, Stefano Nisi, M. Pavan, C. Gargiulo, L. Torres, E. Fiorini, E. Guardincelli, A. Nucciotti, G. Pessina, I. C. Bandac, Giorgio Frossati, G. Ventura, R. J. Creswick, M. J. Dolinski, A. de Waard, P. Ottonello, T. D. Gutierrez, Jeffrey W. Beeman, C. Bucci, E. E. Haller, H. A. Farach, C. Arnaboldi, Edoardo Pasca, B. Quiter, Oliviero Cremonesi, V. Palmieri, A. Giuliani, E. Olivieri, Eric B. Norman, Giulio Maier, F. T. Avignone, Simone Capelli, N. Xu, A. R. Smith, S. Cebrián, Lara Risegari, S. Morganti, I. G. Irastorza, E. Longo, R. J. McDonald, Cremonesi, O, Ardito, R, Arnaboldi, C, Artusa, D, Avignone, F, Balata, M, Bandac, I, Barucci, M, Beeman, J, Brofferio, C, Bucci, C, Capelli, S, Capozzi, F, Carbone, L, Cebrian, S, Creswick, R, de Waard, A, Dolinski, M, Farach, H, Ferroni, F, Fiorini, E, Frossati, G, Gargiulo, C, Giuliani, A, Gorla, P, Guardincelli, E, Gutierrez, T, Haller, E, Irastorza, I, Longo, E, Maier, G, Morganti, S, Maruyama, R, Mcdonald, R, Morales, A, Norman, E, Nisi, S, Nucciotti, A, Olivieri, E, Ottonello, P, Pallavicini, M, Palmieri, V, Pasca, E, Pavan, M, Pedretti, M, Pessina, G, Pirro, S, Previtali, E, Quiter, B, Risegari, L, Rosenfeld, C, Sangiorgio, S, Sisti, M, Smith, A, Torres, L, Ventura, G, and Xu, N

Subjects
Physics, Nuclear physics, Particle physics, CUORE, law, Double beta decay, Neutrino, Bolometer, Double Beta Decay, Bolometers, law.invention
Abstract

CUORICINO is an array of 62 TeO2 bolometers with a total mass of 40.7 Kg (10.4 Kg of 130Te), the largest operating one for a cryogenic experiment. Organized as a 14 storey tower, it is meant as a slightly modified version of one of the 25 towers of the CUORE project, a proposed tightly packed array of 1000 TeO2 bolometers (750 kg of total mass of TeO2) for ultralow-background searches on neutrinoless double beta decay, cold dark matter, solar axions, and rare nuclear decays. CUORICINO data taking started on April 2003 at the Laboratori Nazionali del Gran Sasso (LNGS) and was stopped in November 2003 to repair the readout wiring system of the 62 bolometers. Detector performance and early background analysis results are reviewed. Preliminary results on ββ(0ν) of 130Te are presented. The expected performance and sensitivity of CUORE is also discussed.

Published
2005
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4. RESULTS FROM CUORICINO AND PROSPECTS FOR CUORE

Author

R. J. McDonald, Monica Sisti, C. Brofferio, M. Balata, R. J. Creswick, E. Fiorini, C. Gargiulo, L. Torres, H. A. Farach, C. Cosmelli, C. Rosenfeld, P. Gorla, C. Bucci, F. Ferroni, Reina H. Maruyama, F. Bellini, Simone Capelli, Oliviero Cremonesi, E. Longo, P. Ottonello, F. T. Avignone, Giulio Maier, E. E. Haller, F. Capozzi, M. J. Dolinski, T. D. Gutierrez, Samuele Sangiorgio, Stefano Nisi, I. G. Irastorza, A. Nucciotti, Edoardo Pasca, G. Ventura, B. Quiter, Giorgio Frossati, S. Morganti, L. Carbone, S. Pirro, A. Giuliani, E. Olivieri, Eric B. Norman, G. Pessina, Marco Barucci, A. R. Smith, Stefano Toffanin, S. Cebrián, D. R. Artusa, E. Palmieri, Lara Risegari, M. Pavan, E. Guardincerri, N. Xu, M. Pedretti, I. C. Bandac, C. Arnaboldi, Jeffrey W. Beeman, Raffaele Ardito, Marco Pallavicini, E. Previtali, A. de Waard, Cebrian, S, Ardito, R, Arnaboldi, C, Artusa, D, Avignone, F, Balata, M, Bandac, I, Barucci, M, Beeman, J, Bellini, F, Brofferio, C, Bucci, C, Capelli, S, Capozzi, F, Carbone, L, Cosmelli, C, Cremonesi, O, Creswick, R, DE WAARD, A, Dolinski, M, Farach, H, Ferroni, F, Fiorini, E, Frossati, G, Gargiulo, C, Giuliani, A, Gorla, P, Guardincerri, E, Gutierrez, T, Haller, E, Irastorza, I, Longo, E, Maier, G, Maruyama, R, Mcdonald, R, Morganti, S, Nisi, S, Norman, E, Nucciotti, A, Olivieri, E, Ottonello, P, Pallavicini, M, Palmieri, E, Pasca, E, Pavan, M, Pedretti, M, Pessina, G, Pirro, S, Previtali, E, Quiter, B, Risegari, L, Rosenfeld, C, Sangiorgio, S, Sisti, M, Smith, A, Toffanin, S, Torres, L, Ventura, G, and Xu, N

Subjects
Nuclear physics, Physics, Particle physics, CUORE, law, Double beta decay, Bolometer, Neutrino ma, Double Beta Decay, Bolometers, law.invention
Abstract

CUORE will be an observatory for rare events consisting of a tightly packed array of TeO2 bolometers, with a total mass of similar to 740 kg, operating in the underground Gran Sasso laboratory. A first step towards CUORE is CUORICINO, a running experiment with 40.7 kg of TeO2. Present results from CUORICINO for the neutrinoless double beta decay of Te-130 will be presented here (T-1/2(0 nu) >= 1.0x10(24) y, < m(nu)>

Published
2005
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7. LOW TEMPERATURE PROPERTIES OF NTD GE: BEST CHOICE FOR CUORE EXPERIMENT

Author

Edoardo Pasca, E. Olivieri, Marco Barucci, Jeffrey Beeman, G. Ventura, and Lara Risegari

Subjects
Physics, Nuclear physics, CUORE, Specific heat, Observatory, Thermistor, New materials, National laboratory, Engineering physics
Abstract

A new series of NTD Ge thermistors has been produced by the Lawrence Berkeley National Laboratory in the framework of the CUORE (Cryogenic Underground Observatory for Rare Events) experiment. The electrical characteristics of the new materials have been measured at the Departement of Physics of the University of Florence. The goal of this study was the choice of the best type of thermistor to use in the CUORE experiment. We report also the electrical resistivity, electron specific heat and electron-phonon decoupling of the NTD31 Ge material selected for CUORICINO (single CUORE module, which has become operative at the end of 2002).

Published
2004
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9. CUORICINO AND CUORE: RESULTS AND PROSPECTS

Author

R. J. Creswick, Carlos Pobes, A. R. Smith, C. Bucci, S. Cebrián, L. Torres, M. Pedretti, M. Pyle, A. Giuliani, Lara Risegari, M. Balata, Monica Sisti, A. de Waard, L. Carbone, Jeffrey W. Beeman, Edoardo Pasca, A. Nucciotti, C. Brofferio, Marco Barucci, C. Rosenfeld, Giorgio Frossati, P. Gorla, Oliviero Cremonesi, D. R. Artusa, E. E. Haller, H. A. Farach, F. T. Avignone, A. Fascilla, R. J. McDonald, S. Pirro, I. G. Irastorza, M. Pavan, E. Previtali, G. Pessina, A. Morales, C. Arnaboldi, G. Ventura, I. C. Bandac, Simone Capelli, E. Fiorini, V. Palmieri, E. Olivieri, Eric B. Norman, Suzuki, Y, Nakahata, M, Itow, Y, Shiozawa, M, Obayashi, Y, Giuliani, A, Fascilla, A, Pedretti, M, Arnaboldi, C, Brofferio, C, Capelli, S, Carbone, L, Cremonesi, O, Fiorini, E, Nucciotti, A, Pavan, M, Pessina, G, Pirro, S, Previtali, E, Sisti, M, Torres, L, Artusa, D, AVIGNONE III, F, Bandac, I, Creswick, R, Farach, H, Rosenfeld, C, Balata, M, Bucci, C, Pyle, M, Barucci, M, Pasca, E, Olivieri, E, Risegari, L, Ventura, G, Beeman, J, Mcdonald, R, Haller, E, Norman, E, Smith, A, Cebrian, S, Gorla, P, Irastorza, I, Morales, A, Pobes, C, Frossati, G, Waard, A, and Palmieri, V

Subjects
Physics, Nuclear physics, Particle physics, CUORE, Double-Beta Decay, law, Double beta decay, Bolometer, bolometers, law.invention
Abstract

After a short introduction on Double Beta Decay (DBD), general features of a bolometric experiment to search for neutrinoless Double Beta Decay (Ov-DBD) of Te-130 are outlined. The appeal of Te-130 as a DBD emitter is emphazized. After a brief description of the now closed Mi-DBD experiment, the CUORICINO experiment, an expansion of Mi-DBD, is presented and the first experimental results are given, together with a discussion on the background issues and the consequent sensitivity. CUORE experiment, a new generation Ov-DBD search, is proposed on the basis of the experience and information gathered with the realization and running of Mi-DBD and CUORICINO. The CUORE structure is presented and the ultimate sensitivity to Majorana neutrino mass is discussed. In case of inverse neutrino mass hierarchy, the CUORE discovery potential is shown to be large.

Published
2004
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10. CUORICINO AND CUORE

Author

Ettore Fiorini, G. Ventura, I. G. Irastorza, V. Palmieri, S. Pirro, R. J. McDonald, P. Negri, Oliviero Cremonesi, Eric B. Norman, E. E. Hauler, A. Morales, Carlos Pobes, Giorgio Frossati, Monica Sisti, M. Balata, H. A. Farach, A. Giuliani, Simone Capelli, E. Previtali, M. Pedretti, C. Brofferio, R. J. Creswick, C. Arnaboldi, Danilo Giugni, M. Vanzini, A. Nucciotti, Jeffrey W. Beeman, A. de Waard, F. T. Avignone, A. R. Smith, S. Cebrián, G. Pessina, C. Bucci, Marco Barucci, L. Carbone, L. Zanotti, M. Pavan, Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Pôle Planétologie du LESIA, Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Beeman, J, Mcdonald, R, Hauler, E, Norman, E, Smith, A, Giuliani, A, Pedretti, M, Barucci, M, Ventura, G, Balata, M, Bucci, C, Pobes, C, Palmieri, V, Frossati, G, DE WAARD, A, Arnaboldi, C, Brofferio, C, Capelli, S, Carbone, L, Cremonesi, O, Fiorini, E, Giugni, D, Negri, P, Nucciotti, A, Pavan, M, Pessina, G, Pirro, S, Previtali, E, Sisti, M, Vanzini, M, Zanotti, L, Avignone, F, Creswick, R, Farach, H, Cebrian, S, Irastorza, I, and Morales, A

Subjects
Nuclear physics, Physics, Particle physics, CUORE, law, Bolometer, Double beta decay, Dark matter, Te-130, Double Beta Decay, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], law.invention
Abstract

Improvements in cryogenic thermal detector performances have triggered new generation experiments based on this devices. MiBeta detector had shown, during the last five years, the potential of a large mass cryogenic detector for long running time, good energy resolution, low energy threshold and low radioactive background experiment. Starting from this point a new very large cryogenic detector was proposed: CUORE (Cryogenic Underground Observatory for Rare Events). CUORE will be a segmented detector made with 1000 crystals of TeO2 of 5×5×5 cm3, for a total detector mass around 760 kg. Thanks to the high granularity a considerable improvement in background rejection can be reached using coincidence analysis between crystals. The main goal of CUORE will be the search of neutrinoless double beta decay of 130Te but also other studies are possible; in particular dark matter and solar axion searches. To prove the feasibility of CUORE a pilot experiment named CUORICINO was proposed and also founded. The estimated sensitivities of CUORICDMO and CUORE for WIMPs searches is here reported.

Published
2003
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11. LOW-TEMPERATURE THERMAL CHARACTERIZATION OF SUPPORT MATERIAL FOR MASSIVE CRYOGENIC DETECTORS

Author

T. Del Rosso, G. Ventura, Edoardo Pasca, Marco Barucci, Giovanni Bianchini, and E. Gottardi

Subjects
Crystal, Materials science, CUORE, Physics::Instrumentation and Detectors, Observatory, Nuclear engineering, Detector, Thermal, Working temperature, Realization (systems), Characterization (materials science)
Abstract

Materials used in the realization of supports for massive cryogenic detectors must have several properties which should be known down to the detector working temperature. This does not always happens, because of the difficulties in the measurement of material characteristics at very low temperatures. We studied the thermal properties of a Polypropylene copolymer (PP) at temperatures as close as possible to the working temperature (10 mK) of CUORE (Cryogenic Underground Observatory for Rare Events), in view of the possible use of PP in the realization of the supports for the TeO2 crystal absorbers (750g). From the data obtained we conclude that, from a thermal point of view, PP is adequate for use as support material in cryogenic massive detectors.

Published
2002
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13. DEVELOPMENT OF <font>TI</font> BASED TRANSITION EDGE SENSORS FOR CRYOGENIC DETECTORS

Author

E. Monticone, Edoardo Pasca, M. Rajteri, M. Barucci, and G. Ventura

Subjects
Superconductivity, Phase transition, Materials science, Physics::Instrumentation and Detectors, business.industry, Transition temperature, Analytical chemistry, Substrate (electronics), Residual resistivity, Electrical resistance and conductance, Thermometer, Proximity effect (audio), Optoelectronics, business
Abstract

In the last decade transition Edge Sensors (TES) have found application both in calorimeters for particle detection and for high-resolution light detectors from X rays to the infrared waves. TES consists of a superconducting phase transition thermometer evaporated onto a substrate. The detector works within the superconducting-to-normal transition , where the strong temperature dependence of the electrical resistance makes the film a very sensitive thermometer. Among the superconducting materials,Ti films 1 and Ti based bilayers 2,3,4 have been investigated by several authors. Ti based TES operating around 300 mK have been used for X-ray detectors and for millimeter waves, both with a single layer 5,6,7 and with bilayers . At lower temperatures, TES have applications as sensors to detect dark matter in calorimetric experiments 12,13,14,15,16,17 and as photon counters in the UV-NIR region . In the case of a single layer, Tc depends mainly on the residual resistivity. In the case of bilayers, because of the proximity effect, it is possible to tune the transition temperature Tc according to the experimental requirements, by varying the relative thicknesses.

Published
2002
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