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Search Results: 1 - 10 of 219492 matches for " C. Maiano "
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First measurement of the partial widths of $^{209}$Bi decay to the ground and to the first excited states
J. W. Beeman,M. Biassoni,C. Brofferio,C. Bucci,S. Capelli,L. Cardani,M. Carrettoni,M. Clemenza,O. Cremonesi,E. Ferri,A. Giachero,L. Gironi,P. Gorla,C. Gotti,C. Maiano,A. Nucciotti,L. Pattavina,M. Pavan,G. Pessina,S. Pirro,E. Previtali,M. Sisti,L. Zanotti
Physics , 2011, DOI: 10.1103/PhysRevLett.108.062501
Abstract: $^{209}$Bi alpha decay to the ground and to the first excited state have been contemporary observed for the first time with a large BGO scintillating bolometer. The half-life of $^{209}$Bi is determined to be $\tau_{1/2}$=(2.01$\pm$0.08)$\cdot10^{19}$ years while the branching ratio for the ground-state to ground-state transition is (98.8$\pm$0.3)%.
Searches for axioelectric effect of solar axions with BGO-scintillator and BGO-bolometer detectors
V. N. Muratova,A. V. Derbin,L. Gironi,S. S Nagorny,L. Pattavina,S. V. Bakhlanov,J. W. Beeman,F. Bellini,M. Biassoni,S. Capelli,M. Clemenza,I. S. Dratchnev,E. Ferri,A. Giachero,C. Gotti,A. S. Kayunov,C. Maiano,M. Maino,M. Pavan,S. Pirro,D. A. Semenov,M. Sisti,E. V. Unzhakov
Physics , 2015,
Abstract: A search for axioelectric absorption of 5.5 MeV solar axions produced in the $p + d \rightarrow {^3\rm{He}}+\gamma~(5.5~ \rm{MeV})$ reaction has been performed with a BGO detectors. A model-independent limit on the product of axion-nucleon $g_{AN}^3$ and axion-electron $g_{Ae}$ coupling constants has been obtained: $| g_{Ae}\times g_{AN}^3|< 1.9\times 10^{-10}$ for 90\% C.L..
Search for axioelectric effect of solar axions using BGO scintillating bolometer
A. V. Derbin,L. Gironi,S. S. Nagorny,L. Pattavina,J. W. Beeman,F. Bellini,M. Biassoni,S. Capelli,M. Clemenza,I. S. Drachnev,E. Ferri,A. Giachero,C. Gotti,A. S. Kayunov,C. Maiano,M. Maino,V. N. Muratova,M. Pavan,S. Pirro,M. Sisti,D. A. Semenov,E. V. Unzhakov
Physics , 2014, DOI: 10.1140/epjc/s10052-014-3035-8
Abstract: A search for axioelectric absorption of solar axions produced in the $ p + d \rightarrow {^3\rm{He}}+\gamma~(5.5~ \rm{MeV})$ reactions has been performed with a BGO detector placed in a low-background setup. A model-independent limit on an axion-nucleon and axion-electron coupling constant has been obtained: $| g_{Ae}\times g_{AN}^3|< 1.9\times 10^{-10}$ for 90% confidence level. The constrains of the axion-electron coupling have been obtained for hadronic axion with masses in (0.1 - 1) MeV range: $|g_{Ae}| \leq (0.96 - 8.2)\times 10^{-8}$.
Production of high purity TeO2 single crystals for the study of neutrinoless double beta decay
C. Arnaboldi,C. Brofferio,A. Bryant,C. Bucci,L. Canonica,S. Capelli,M. Carrettoni,M. Clemenza,I. Dafinei,S. Di Domizio,F. Ferroni,E. Fiorini,Z. Ge,A. Giachero,L. Gironi,A. Giuliani,P. Gorla,E. Guardincerri,R. Kadel,K. Kazkaz,L. Kogler,Y. Kolomensky,J. Larsen,M. Laubenstein,Y. Li,C. Maiano,M. Martinez,R. Maruyama,S. Nisi,C. Nones,Eric B. Norman,A. Nucciotti,F. Orio,L. Pattavina,M. Pavan,G. Pessina,S. Pirro,E. Previtali,C. Rusconi,Nicholas D. Scielzo,M. Sisti,Alan R. Smith,W. Tian,M. Vignati,H. Wang,Y. Zhu
Physics , 2010, DOI: 10.1016/j.jcrysgro.2010.06.034
Abstract: High purity TeO2 crystals are produced to be used for the search for the neutrinoless double beta decay of 130Te. Dedicated production lines for raw material synthesis, crystal growth and surface processing were built compliant with radio-purity constraints specific to rare event physics experiments. High sensitivity measurements of radio-isotope concentrations in raw materials, reactants, consumables, ancillaries and intermediary products used for TeO2 crystals production are reported. Production and certification protocols are presented and resulting ready-to-use TeO2 crystals are described.
Muon-induced backgrounds in the CUORICINO experiment
E. Andreotti,C. Arnaboldi,F. T. Avignone III,M. Balata,I. Bandac,M. Barucci,J. W. Beeman,F. Bellini,T. Bloxham,C. Brofferio,A. Bryant,C. Bucci,L. Canonica,S. Capelli,L. Carbone,M. Carrettoni,M. Clemenza,O. Cremonesi,R. J. Creswick,S. Di Domizio,M. J. Dolinski,L. Ejzak,R. Faccini,H. A. Farach,E. Ferri,F. Ferroni,E. Fiorini,L. Foggetta,A. Giachero,L. Gironi,A. Giuliani,P. Gorla,E. Guardincerri,T. D. Gutierrez,E. E. Haller,R. Kadel,K. Kazkaz,S. Kraft,L. Kogler,Yu. G. Kolomensky,C. Maiano,R. H. Maruyama,C. Martinez,M. Martinez,L. Mizouni,S. Morganti,S. Nisi,C. Nones,E. B. Norman,A. Nucciotti,F. Orio,M. Pallavicini,V. Palmieri,L. Pattavina,M. Pavan,M. Pedretti,G. Pessina,S. Pirro,E. Previtali,L. Risegari,C. Rosenfeld,C. Rusconi,C. Salvioni,S. Sangiorgio,D. Schaeffer,N. D. Scielzo,M. Sisti,A. R. Smith,C. Tomei,G. Ventura,M. Vignati
Physics , 2009, DOI: 10.1016/j.astropartphys.2010.04.004
Abstract: To better understand the contribution of cosmic ray muons to the CUORICINO background, 10 plastic scintillator detectors were installed at the CUORICINO site and operated during the final 3 months of the experiment. From these measurements, an upper limit of 0.0021 counts/(keV kg yr) (95% CL) was obtained on the cosmic ray-induced background in the neutrinoless double beta decay region of interest. The measurements were also compared to Geant4 simulations.
Double-beta decay of $^{130}$Te to the first 0$^{+}$ excited state of $^{130}$Xe with CUORICINO
E. Andreotti,C. Arnaboldi,F. T. Avignone III,M. Balata,I. Bandac,M. Barucci,J. W. Beeman,F. Bellini,C. Brofferio,A. Bryant,C. Bucci,L. Canonica,S. Capelli,L. Carbone,M. Carrettoni,M. Clemenza,O. Cremonesi,R. J. Creswick,S. Di Domizio,M. J. Dolinski,L. Ejzak,R. Faccini,H. A. Farach,E. Ferri,E. Fiorini,L. Foggetta,A. Giachero,L. Gironi,A. Giuliani,P. Gorla,E. Guardincerri,T. D. Gutierrez,E. E. Haller,K. Kazkaz,L. Kogler,S. Kraft,C. Maiano,C. Martinez,M. Martinez,R. H. Maruyama,S. Newman,S. Nisi,C. Nones,E. B. Norman,A. Nucciotti,F. Orio,M. Pallavicini,V. Palmieri,L. Pattavina,M. Pavan,M. Pedretti,G. Pessina,S. Pirro,E. Previtali,L. Risegari,C. Rosenfeld,C. Rusconi,C. Salvioni,S. Sangiorgio,D. Schaeffer,N. D. Scielzo,M. Sisti,A. R. Smith,C. Tomei,G. Ventura,M. Vignati
Physics , 2011, DOI: 10.1103/PhysRevC.85.045503
Abstract: The CUORICINO experiment was an array of 62 TeO$_{2}$ single-crystal bolometers with a total $^{130}$Te mass of $11.3\,$kg. The experiment finished in 2008 after more than 3 years of active operating time. Searches for both $0\nu$ and $2\nu$ double-beta decay to the first excited $0^{+}$ state in $^{130}$Xe were performed by studying different coincidence scenarios. The analysis was based on data representing a total exposure of N($^{130}$Te)$\cdot$t=$9.5\times10^{25}\,$y. No evidence for a signal was found. The resulting lower limits on the half lives are $T^{2\nu}_{1/2}(^{130} Te\rightarrow^{130} Xe^{*})>1.3\times10^{23}\,$y (90% C.L.), and $T^{0\nu}_{1/2}(^{130} Te\rightarrow^{130} Xe^{*})>9.4\times10^{23}\,$y (90% C.L.).
Search for beta plus/EC double beta decay of 120Te
E. Andreotti,C. Arnaboldi,F. T. Avignone III,M. Balata,I. Bandac,M. Barucci,J. W. Beeman,F. Bellini,C. Brofferio,A. Bryant,C. Bucci,L. Canonica,S. Capelli,L. Carbone,M. Carrettoni,M. Clemenza,O. Cremonesi,R. J. Creswick,S. Di Domizio,M. J. Dolinski,L. Ejzak,R. Faccini,H. A. Farach,E. Ferri,E. Fiorini,L. Foggetta,A. Giachero,L. Gironi,A. Giuliani,P. Gorla,E. Guardincerri,T. D. Gutierrez. E. E. Haller,K. Kazkaz,S. Kraft,L. Kogler,C. Maiano,R. H. Maruyama,C. Martinez,M. Martinez,L. Mizouni,S. Newman,S. Nisi,C. Nones,E. B. Norman,A. Nucciotti,F. Orio,M. Pallavicini,V. Palmieri,L. Pattavina,M. Pavan,M. Pedretti,G. Pessina,S. Pirro,E. Previtali,L. Risegari,C. Rosenfeld,C. Rusconi,C. Salvioni,S. Sangiorgio,D. Schaeffer,N. D. Scielzo,M. Sisti,A. R. Smith,C. Tomei,G. Ventura,M. Vignati
Physics , 2010, DOI: 10.1016/j.astropartphys.2010.12.011
Abstract: We present a search for beta plus/EC double beta decay of 120Te performed with the CUORICINO experiment, an array of TeO2 cryogenic bolometers. After collecting 0.0573 kg y of 120Te, we see no evidence of a signal and therefore set the following limits on the half-life: T1/2 (0nu) > 1.9 10^{21} y at 90% C.L. for the 0 neutrino mode and T1/2 (2nu) > 7.6 10^{19} y at 90% C.L. for the two neutrino mode. These results improve the existing limits by almost three orders of magnitude (four in the case of 0 neutrino mode).
130Te Neutrinoless Double-Beta Decay with CUORICINO
E. Andreotti,C. Arnaboldi,F. T. Avignone III,M. Balata,I. Bandac,M. Barucci,J. W. Beeman,F. Bellini,C. Brofferio,A. Bryant,C. Bucci,L. Canonica,S. Capelli,L. Carbone,M. Carrettoni,M. Clemenza,O. Cremonesi,R. J. Creswick,S. Di Domizio,M. J. Dolinski,L. Ejzak,R. Faccini,H. A. Farach,E. Ferri,E. Fiorini,L. Foggetta,A. Giachero,L. Gironi,A. Giuliani,P. Gorla,E. Guardincerri,T. D. Gutierrez,E. E. Haller,K. Kazkaz,S. Kraft,L. Kogler,C. Maiano,R. H. Maruyama,C. Martinez,M. Martinez,S. Newman,S. Nisi,C. Nones,E. B. Norman,A. Nucciotti,F. Orio,M. Pallavicini,V. Palmieri,L. Pattavina,M. Pavan,M. Pedretti,G. Pessina,S. Pirro,E. Previtali,L. Risegari,C. Rosenfeld,C. Rusconi,C. Salvioni,S. Sangiorgio,D. Schaeffer,N. D. Scielzo,M. Sisti,A. R. Smith,C. Tomei,G. Ventura,M. Vignati
Physics , 2010, DOI: 10.1016/j.astropartphys.2011.02.002
Abstract: We report the final result of the CUORICINO experiment. Operated between 2003 and 2008, with a total exposure of 19.75 kg y of 130Te, CUORICINO was able to set a lower bound on the 130Te 0nDBD half-life of 2.8 10^{24} years at 90% C.L. The limit here reported includes the effects of systematic uncertainties that are examined in detail in the paper. The corresponding upper bound on the neutrino Majorana mass is in the range 300--710 meV, depending on the adopted nuclear matrix element evaluation.
CUORE crystal validation runs: results on radioactive contamination and extrapolation to CUORE background
F. Alessandria,E. Andreotti,R. Ardito,C. Arnaboldi,F. T. Avignone III,M. Balata,I. Bandac,T. I. Banks,G. Bari,J. W. Beeman,F. Bellini,A. Bersani,M. Biassoni,T. Bloxham,C. Brofferio,A. Bryant,C. Bucci,X. Z. Cai,L. Canonica,S. Capelli,L. Carbone,L. Cardani,M. Carrettoni,N. Chott,M. Clemenza,C. Cosmelli,O. Cremonesi,R. J. Creswick,I. Dafinei,A. Dally,A. De Biasi,M. P. Decowski,M. M. Deninno,A. de Waard,S. Di Domizio,L. Ejzak,R. Faccini,D. Q. Fang,H. Farach,E. Ferri,F. Ferroni,E. Fiorini,L. Foggetta,S. Freedman,G. Frossati,A. Giachero,L. Gironi,A. Giuliani,P. Gorla,C. Gotti,E. Guardincerri,T. D. Gutierrez,E. E. Haller,K. Han,K. M. Heeger,H. Z. Huang,K. Ichimura,R. Kadel,K. Kazkaz,G. Keppel,L. Kogler,Y. G. Kolomensky,S. Kraft,D. Lenz,Y. L. Li,X. Liu,E. Longo,Y. G. Ma,C. Maiano,G. Maier,C. Martinez,M. Martinez,R. H. Maruyama,N. Moggi,S. Morganti,S. Newman,S. Nisi,C. Nones,E. B. Norman,A. Nucciotti,F. Orio,D. Orlandi,J. Ouellet,M. Pallavicini,V. Palmieri,L. Pattavina,M. Pavan,M. Pedretti,G. Pessina,S. Pirro,E. Previtali,V. Rampazzo,F. Rimondi,C. Rosenfeld,C. Rusconi,C. Salvioni,S. Sangiorgio,D. Schaeffer,N. D. Scielzo,M. Sisti,A. R. Smith,F. Stivanello,L. Taffarello,G. Terenziani,W. D. Tian,C. Tomei,S. Trentalange,G. Ventura,M. Vignati,B. Wang,H. W. Wang,C. A. Whitten Jr,T. Wise,A. Woodcraft,N. Xu,L. Zanotti,C. Zarra,B. X. Zhu,S. Zucchelli
Physics , 2011, DOI: 10.1016/j.astropartphys.2012.02.008
Abstract: The CUORE Crystal Validation Runs (CCVRs) have been carried out since the end of 2008 at the Gran Sasso National Laboratories, in order to test the performances and the radiopurity of the TeO$_2$ crystals produced at SICCAS (Shanghai Institute of Ceramics, Chinese Academy of Sciences) for the CUORE experiment. In this work the results of the first 5 validation runs are presented. Results have been obtained for bulk contaminations and surface contaminations from several nuclides. An extrapolation to the CUORE background has been performed.
The CUORE and CUORE-0 Experiments at Gran Sasso
A. Giachero,D. R. Artusa,F. T. Avignone III,O. Azzolini,M. Balata,T. I. Banks,G. Bari,J. Beeman,F. Bellini,A. Bersani,M. Biassoni,C. Brofferio,C. Bucci,X. Z. Cai,A. Camacho,A. Caminata,L. Canonica,X. G. Cao,S. Capelli,L. Cappelli,L. Carbone,L. Cardani,N. Casali,L. Cassina,D. Chiesa,N. Chott,M. Clemenza,S. Copello,C. Cosmelli,O. Cremonesi,R. J. Creswick,J. S. Cushman,I. Dafinei,A. Dally,V. Datskov,S. Dell'Oro,M. M. Deninno,S. Di Domizio,M. L. di Vacri,A. Drobizhev,L. Ejzak,D. Q. Fang,H. A. Farach,M. Faverzani,G. Fernandes,E. Ferri,F. Ferroni,E. Fiorini,M. A. Franceschi,S. J. Freedman,B. K. Fujikawa,L. Gironi,A. Giuliani,P. Gorla,C. Gotti,T. D. Gutierrez,E. E. Haller,K. Han,K. M. Heeger,R. Hennings-Yeomans,K. P. Hickerson,H. Z. Huang,R. Kadel,K. Kazkaz,G. Keppel,Yu. G. Kolomensky,Y. L. Li,C. Ligi,K. E. Lim,X. Liu,Y. G. Ma,C. Maiano,M. Maino,M. Martinez,R. H. Maruyama,Y. Mei,N. Moggi,S. Morganti,T. Napolitano,M. Nastasi,S. Nisi,C. Nones,E. B. Norman,A. Nucciotti,T. O'Donnell,F. Orio,D. Orlandi,J. L. Ouellet,C. E. Pagliarone,M. Pallavicini,L. Pattavina,M. Pavan,M. Pedretti,G. Pessina,V. Pettinacci,G. Piperno,C. Pira,S. Pirro,S. Pozzi,E. Previtali,V. Rampazzo,C. Rosenfeld,C. Rusconi,E. Sala,S. Sangiorgio,N. D. Scielzo,M. Sisti,A. R. Smith,L. Taffarello,M. Tenconi,F. Terranova,W. D. Tian,C. Tomei,S. Trentalange,G. Ventura,M. Vignati,B. S. Wang,H. W. Wang,L. Wielgus,J. Wilson,L. A. Winslow,T. Wise,A. Woodcraft,L. Zanotti,C. Zarra,G. Q. Zhang,B. X. Zhu,S. Zucchelli
Physics , 2014, DOI: 10.1051/epjconf/20149504024
Abstract: The Cryogenic Underground Observatory for Rare Events (CUORE) is an experiment to search for neutrinoless double beta decay ($0\nu\beta\beta$) in $^{130}$Te and other rare processes. CUORE is a cryogenic detector composed of 988 TeO$_2$ bolometers for a total mass of about 741 kg. The detector is being constructed at the Laboratori Nazionali del Gran Sasso, Italy, where it will start taking data in 2015. If the target background of 0.01 counts/(keV$\cdot$kg$\cdot$y) will be reached, in five years of data taking CUORE will have an half life sensitivity around $1\times 10^{26}$ y at 90\% C.L. As a first step towards CUORE a smaller experiment CUORE-0, constructed to test and demonstrate the performances expected for CUORE, has been assembled and is running. The detector is a single tower of 52 CUORE-like bolometers that started taking data in spring 2013. The status and perspectives of CUORE will be discussed, and the first CUORE-0 data will be presented.
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