Initial performance of the CUORE-0 experiment
CUORE-0 is a cryogenic detector that uses an array of tellurium dioxide bolometers to search for neutrinoless double-beta decay of ^{130}Te. We present the first data analysis with 7.1 kg y of total TeO_2 exposure focusing on background measurements and energy resolution. The background rates in the...
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| creator | Collaboration, CUORE Avignone, F T Azzolini, O Balata, M Banks, T I Bari, G Beeman, J Bellini, F Bersani, A Brofferio, C Bucci, C Cai, X Z Canonica, L Cao, X G Capelli, S Carbone, L Cardani, L Casali, N Chiesa, D Clemenza, M Cosmelli, C Cremonesi, O Creswick, R J Dafinei, I Dally, A Datskov, V Deninno, M M S Di Domizio di Vacri, M L Ejzak, L Fang, D Q Faverzani, M Fernandes, G Ferri, E Fiorini, E Freedman, S J Fujikawa, B K Giachero, A Gironi, L Giuliani, A Goett, J Gorla, P Gotti, C Gutierrez, T D Haller, E E Han, K Heeger, K M Hennings-Yeomans, R Huang, H Z Kadel, R Kazkaz, K Keppel, G Kolomensky, Yu G Li, Y L Lim, K E Ma, Y G Maiano, C Maino, M Martinez, M Maruyama, R H Mei, Y Moggi, N Nones, C Norman, E B Nucciotti, A Orlandi, D Ouellet, J L Pallavicini, M Palmieri, V Pattavina, L Pavan, M Pessina, G Pettinacci, V Piperno, G Pirro, S Rosenfeld, C Rusconi, C Sala, E Sangiorgio, S Scielzo, N D Sisti, M Smith, A R Taffarello, L Tenconi, M Terranova, F Tian, W D Tomei, C Trentalange, S Ventura, G Vignati, M Wang, B S Wang, H W Wielgus, L Wilson, J Winslow, L A Wise, T Zanotti, L Zarra, C Zhu, B X Zucchelli, S |
| description | CUORE-0 is a cryogenic detector that uses an array of tellurium dioxide bolometers to search for neutrinoless double-beta decay of ^{130}Te. We present the first data analysis with 7.1 kg y of total TeO_2 exposure focusing on background measurements and energy resolution. The background rates in the neutrinoless double-beta decay region of interest (2.47 to 2.57 MeV) and in the {\alpha} background-dominated region (2.70 to 3.90 MeV) have been measured to be 0.071 \pm 0.011 and 0.019 \pm 0.002 counts/keV/kg/y, respectively. The latter result represents a factor of 6 improvement from a predecessor experiment, Cuoricino. The results verify our understanding of the background sources in CUORE-0, which is the basis of extrapolations to the full CUORE detector. The obtained energy resolution (full width at half maximum) in the region of interest is 5.7 keV. Based on the measured background rate and energy resolution in the region of interest, CUORE-0 half-life sensitivity is expected to surpass the observed lower bound of Cuoricino with one year of live time. |
| doi_str_mv | 10.48550/arxiv.1402.0922 |
| format | Article |
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We present the first data analysis with 7.1 kg y of total TeO_2 exposure focusing on background measurements and energy resolution. The background rates in the neutrinoless double-beta decay region of interest (2.47 to 2.57 MeV) and in the {\alpha} background-dominated region (2.70 to 3.90 MeV) have been measured to be 0.071 \pm 0.011 and 0.019 \pm 0.002 counts/keV/kg/y, respectively. The latter result represents a factor of 6 improvement from a predecessor experiment, Cuoricino. The results verify our understanding of the background sources in CUORE-0, which is the basis of extrapolations to the full CUORE detector. The obtained energy resolution (full width at half maximum) in the region of interest is 5.7 keV. Based on the measured background rate and energy resolution in the region of interest, CUORE-0 half-life sensitivity is expected to surpass the observed lower bound of Cuoricino with one year of live time.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1402.0922</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Beta decay ; Bolometers ; Data analysis ; Energy measurement ; Energy resolution ; Lower bounds ; Physics - High Energy Physics - Experiment ; Physics - Instrumentation and Detectors ; Physics - Nuclear Experiment ; Tellurium ; Tellurium dioxide</subject><ispartof>arXiv.org, 2014-08</ispartof><rights>2014. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,776,780,881,27902</link.rule.ids><backlink>$$Uhttps://doi.org/10.1140/epjc/s10052-014-2956-6$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.48550/arXiv.1402.0922$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Collaboration, CUORE</creatorcontrib><creatorcontrib>Avignone, F T</creatorcontrib><creatorcontrib>Azzolini, O</creatorcontrib><creatorcontrib>Balata, M</creatorcontrib><creatorcontrib>Banks, T 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R</creatorcontrib><creatorcontrib>Kazkaz, K</creatorcontrib><creatorcontrib>Keppel, G</creatorcontrib><creatorcontrib>Kolomensky, Yu G</creatorcontrib><creatorcontrib>Li, Y L</creatorcontrib><creatorcontrib>Lim, K E</creatorcontrib><creatorcontrib>Ma, Y G</creatorcontrib><creatorcontrib>Maiano, C</creatorcontrib><creatorcontrib>Maino, M</creatorcontrib><creatorcontrib>Martinez, M</creatorcontrib><creatorcontrib>Maruyama, R H</creatorcontrib><creatorcontrib>Mei, Y</creatorcontrib><creatorcontrib>Moggi, N</creatorcontrib><creatorcontrib>Nones, C</creatorcontrib><creatorcontrib>Norman, E B</creatorcontrib><creatorcontrib>Nucciotti, A</creatorcontrib><creatorcontrib>Orlandi, D</creatorcontrib><creatorcontrib>Ouellet, J L</creatorcontrib><creatorcontrib>Pallavicini, M</creatorcontrib><creatorcontrib>Palmieri, V</creatorcontrib><creatorcontrib>Pattavina, L</creatorcontrib><creatorcontrib>Pavan, M</creatorcontrib><creatorcontrib>Pessina, G</creatorcontrib><creatorcontrib>Pettinacci, V</creatorcontrib><creatorcontrib>Piperno, G</creatorcontrib><creatorcontrib>Pirro, S</creatorcontrib><creatorcontrib>Rosenfeld, C</creatorcontrib><creatorcontrib>Rusconi, C</creatorcontrib><creatorcontrib>Sala, E</creatorcontrib><creatorcontrib>Sangiorgio, S</creatorcontrib><creatorcontrib>Scielzo, N D</creatorcontrib><creatorcontrib>Sisti, M</creatorcontrib><creatorcontrib>Smith, A R</creatorcontrib><creatorcontrib>Taffarello, L</creatorcontrib><creatorcontrib>Tenconi, M</creatorcontrib><creatorcontrib>Terranova, F</creatorcontrib><creatorcontrib>Tian, W D</creatorcontrib><creatorcontrib>Tomei, C</creatorcontrib><creatorcontrib>Trentalange, S</creatorcontrib><creatorcontrib>Ventura, G</creatorcontrib><creatorcontrib>Vignati, M</creatorcontrib><creatorcontrib>Wang, B S</creatorcontrib><creatorcontrib>Wang, H W</creatorcontrib><creatorcontrib>Wielgus, L</creatorcontrib><creatorcontrib>Wilson, J</creatorcontrib><creatorcontrib>Winslow, L A</creatorcontrib><creatorcontrib>Wise, T</creatorcontrib><creatorcontrib>Zanotti, L</creatorcontrib><creatorcontrib>Zarra, C</creatorcontrib><creatorcontrib>Zhu, B X</creatorcontrib><creatorcontrib>Zucchelli, S</creatorcontrib><title>Initial performance of the CUORE-0 experiment</title><title>arXiv.org</title><description>CUORE-0 is a cryogenic detector that uses an array of tellurium dioxide bolometers to search for neutrinoless double-beta decay of ^{130}Te. We present the first data analysis with 7.1 kg y of total TeO_2 exposure focusing on background measurements and energy resolution. The background rates in the neutrinoless double-beta decay region of interest (2.47 to 2.57 MeV) and in the {\alpha} background-dominated region (2.70 to 3.90 MeV) have been measured to be 0.071 \pm 0.011 and 0.019 \pm 0.002 counts/keV/kg/y, respectively. The latter result represents a factor of 6 improvement from a predecessor experiment, Cuoricino. The results verify our understanding of the background sources in CUORE-0, which is the basis of extrapolations to the full CUORE detector. The obtained energy resolution (full width at half maximum) in the region of interest is 5.7 keV. Based on the measured background rate and energy resolution in the region of interest, CUORE-0 half-life sensitivity is expected to surpass the observed lower bound of Cuoricino with one year of live time.</description><subject>Beta decay</subject><subject>Bolometers</subject><subject>Data analysis</subject><subject>Energy measurement</subject><subject>Energy resolution</subject><subject>Lower bounds</subject><subject>Physics - High Energy Physics - Experiment</subject><subject>Physics - Instrumentation and Detectors</subject><subject>Physics - Nuclear Experiment</subject><subject>Tellurium</subject><subject>Tellurium dioxide</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><sourceid>GOX</sourceid><recordid>eNotj01Lw0AYhBdBsNTePcmC54277369OUqoWigUpJ7DJtnFlDaJm1Tqv3fbeprDDDPzEPIgeKZQa_7s4qn9yYTikPEc4IbMQErBUAHckcU47jjnYCxoLWeErbp2at2eDj6GPh5cV3vaBzp9eVp8bj6WjFN_SmZ78N10T26D249-8a9zsn1dbot3tt68rYqXNXNaKGZdANvkVSNqIz06HYRTArHOa2sqg4jKGtRKgdECrQUjg_eiclY3osFGzsnjtfaCUg5p3MXf8oxUnpFS4OkaGGL_ffTjVO76Y-zSpRJ4agfNlZJ_X-NL2w</recordid><startdate>20140801</startdate><enddate>20140801</enddate><creator>Collaboration, CUORE</creator><creator>Avignone, F T</creator><creator>Azzolini, O</creator><creator>Balata, M</creator><creator>Banks, T I</creator><creator>Bari, G</creator><creator>Beeman, J</creator><creator>Bellini, F</creator><creator>Bersani, A</creator><creator>Brofferio, C</creator><creator>Bucci, C</creator><creator>Cai, X Z</creator><creator>Canonica, L</creator><creator>Cao, X 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arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PHGZM</scope><scope>PHGZT</scope><scope>PIMPY</scope><scope>PKEHL</scope><scope>PQEST</scope><scope>PQGLB</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20140801</creationdate><title>Initial performance of the CUORE-0 experiment</title><author>Collaboration, CUORE ; Avignone, F T ; Azzolini, O ; Balata, M ; Banks, T I ; Bari, G ; Beeman, J ; Bellini, F ; Bersani, A ; Brofferio, C ; Bucci, C ; Cai, X Z ; Canonica, L ; Cao, X G ; Capelli, S ; Carbone, L ; Cardani, L ; Casali, N ; Chiesa, D ; Clemenza, M ; Cosmelli, C ; Cremonesi, O ; Creswick, R J ; Dafinei, I ; Dally, A ; Datskov, V ; Deninno, M M ; S Di Domizio ; di Vacri, M L ; Ejzak, L ; Fang, D Q ; Faverzani, M ; Fernandes, G ; Ferri, E ; Fiorini, E ; Freedman, S J ; Fujikawa, B K ; Giachero, A ; Gironi, L ; Giuliani, A ; Goett, J ; Gorla, P ; Gotti, C ; Gutierrez, T D ; Haller, E E ; Han, K ; Heeger, K M ; Hennings-Yeomans, R ; Huang, H Z ; Kadel, R ; Kazkaz, K ; Keppel, G ; Kolomensky, Yu G ; Li, Y L ; Lim, K E ; Ma, Y G ; Maiano, C ; Maino, M ; Martinez, M ; Maruyama, R H ; Mei, Y ; Moggi, N ; Nones, C ; Norman, E B ; Nucciotti, A ; Orlandi, D ; Ouellet, J L ; Pallavicini, M ; Palmieri, V ; Pattavina, L ; Pavan, M ; Pessina, G ; Pettinacci, V ; Piperno, G ; Pirro, S ; Rosenfeld, C ; Rusconi, C ; Sala, E ; Sangiorgio, S ; Scielzo, N D ; Sisti, M ; Smith, A R ; Taffarello, L ; Tenconi, M ; Terranova, F ; Tian, W D ; Tomei, C ; Trentalange, S ; Ventura, G ; Vignati, M ; Wang, B S ; Wang, H W ; Wielgus, L ; Wilson, J ; Winslow, L A ; Wise, T ; Zanotti, L ; Zarra, C ; Zhu, B X ; Zucchelli, S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a514-7af27d9bd1c63e8a5f1a4188c9c76b688847685442651877263fee1ba75d1d8d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Beta decay</topic><topic>Bolometers</topic><topic>Data analysis</topic><topic>Energy measurement</topic><topic>Energy resolution</topic><topic>Lower bounds</topic><topic>Physics - High Energy Physics - Experiment</topic><topic>Physics - Instrumentation and Detectors</topic><topic>Physics - Nuclear Experiment</topic><topic>Tellurium</topic><topic>Tellurium dioxide</topic><toplevel>online_resources</toplevel><creatorcontrib>Collaboration, CUORE</creatorcontrib><creatorcontrib>Avignone, F T</creatorcontrib><creatorcontrib>Azzolini, O</creatorcontrib><creatorcontrib>Balata, M</creatorcontrib><creatorcontrib>Banks, T I</creatorcontrib><creatorcontrib>Bari, G</creatorcontrib><creatorcontrib>Beeman, J</creatorcontrib><creatorcontrib>Bellini, F</creatorcontrib><creatorcontrib>Bersani, A</creatorcontrib><creatorcontrib>Brofferio, C</creatorcontrib><creatorcontrib>Bucci, C</creatorcontrib><creatorcontrib>Cai, X Z</creatorcontrib><creatorcontrib>Canonica, L</creatorcontrib><creatorcontrib>Cao, X G</creatorcontrib><creatorcontrib>Capelli, S</creatorcontrib><creatorcontrib>Carbone, L</creatorcontrib><creatorcontrib>Cardani, L</creatorcontrib><creatorcontrib>Casali, N</creatorcontrib><creatorcontrib>Chiesa, D</creatorcontrib><creatorcontrib>Clemenza, M</creatorcontrib><creatorcontrib>Cosmelli, C</creatorcontrib><creatorcontrib>Cremonesi, O</creatorcontrib><creatorcontrib>Creswick, R J</creatorcontrib><creatorcontrib>Dafinei, I</creatorcontrib><creatorcontrib>Dally, A</creatorcontrib><creatorcontrib>Datskov, V</creatorcontrib><creatorcontrib>Deninno, M M</creatorcontrib><creatorcontrib>S Di Domizio</creatorcontrib><creatorcontrib>di Vacri, M L</creatorcontrib><creatorcontrib>Ejzak, L</creatorcontrib><creatorcontrib>Fang, D Q</creatorcontrib><creatorcontrib>Faverzani, M</creatorcontrib><creatorcontrib>Fernandes, G</creatorcontrib><creatorcontrib>Ferri, E</creatorcontrib><creatorcontrib>Fiorini, E</creatorcontrib><creatorcontrib>Freedman, S J</creatorcontrib><creatorcontrib>Fujikawa, B K</creatorcontrib><creatorcontrib>Giachero, A</creatorcontrib><creatorcontrib>Gironi, L</creatorcontrib><creatorcontrib>Giuliani, A</creatorcontrib><creatorcontrib>Goett, J</creatorcontrib><creatorcontrib>Gorla, P</creatorcontrib><creatorcontrib>Gotti, C</creatorcontrib><creatorcontrib>Gutierrez, T D</creatorcontrib><creatorcontrib>Haller, E E</creatorcontrib><creatorcontrib>Han, K</creatorcontrib><creatorcontrib>Heeger, K M</creatorcontrib><creatorcontrib>Hennings-Yeomans, R</creatorcontrib><creatorcontrib>Huang, H Z</creatorcontrib><creatorcontrib>Kadel, R</creatorcontrib><creatorcontrib>Kazkaz, K</creatorcontrib><creatorcontrib>Keppel, G</creatorcontrib><creatorcontrib>Kolomensky, Yu G</creatorcontrib><creatorcontrib>Li, Y L</creatorcontrib><creatorcontrib>Lim, K E</creatorcontrib><creatorcontrib>Ma, Y G</creatorcontrib><creatorcontrib>Maiano, C</creatorcontrib><creatorcontrib>Maino, M</creatorcontrib><creatorcontrib>Martinez, M</creatorcontrib><creatorcontrib>Maruyama, R H</creatorcontrib><creatorcontrib>Mei, Y</creatorcontrib><creatorcontrib>Moggi, N</creatorcontrib><creatorcontrib>Nones, C</creatorcontrib><creatorcontrib>Norman, E B</creatorcontrib><creatorcontrib>Nucciotti, A</creatorcontrib><creatorcontrib>Orlandi, D</creatorcontrib><creatorcontrib>Ouellet, J L</creatorcontrib><creatorcontrib>Pallavicini, M</creatorcontrib><creatorcontrib>Palmieri, V</creatorcontrib><creatorcontrib>Pattavina, L</creatorcontrib><creatorcontrib>Pavan, M</creatorcontrib><creatorcontrib>Pessina, G</creatorcontrib><creatorcontrib>Pettinacci, V</creatorcontrib><creatorcontrib>Piperno, G</creatorcontrib><creatorcontrib>Pirro, S</creatorcontrib><creatorcontrib>Rosenfeld, C</creatorcontrib><creatorcontrib>Rusconi, C</creatorcontrib><creatorcontrib>Sala, E</creatorcontrib><creatorcontrib>Sangiorgio, S</creatorcontrib><creatorcontrib>Scielzo, N D</creatorcontrib><creatorcontrib>Sisti, M</creatorcontrib><creatorcontrib>Smith, A R</creatorcontrib><creatorcontrib>Taffarello, L</creatorcontrib><creatorcontrib>Tenconi, M</creatorcontrib><creatorcontrib>Terranova, F</creatorcontrib><creatorcontrib>Tian, W D</creatorcontrib><creatorcontrib>Tomei, C</creatorcontrib><creatorcontrib>Trentalange, S</creatorcontrib><creatorcontrib>Ventura, G</creatorcontrib><creatorcontrib>Vignati, M</creatorcontrib><creatorcontrib>Wang, B S</creatorcontrib><creatorcontrib>Wang, H W</creatorcontrib><creatorcontrib>Wielgus, L</creatorcontrib><creatorcontrib>Wilson, J</creatorcontrib><creatorcontrib>Winslow, L A</creatorcontrib><creatorcontrib>Wise, T</creatorcontrib><creatorcontrib>Zanotti, L</creatorcontrib><creatorcontrib>Zarra, C</creatorcontrib><creatorcontrib>Zhu, B X</creatorcontrib><creatorcontrib>Zucchelli, S</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>ProQuest Central (New)</collection><collection>ProQuest One Academic (New)</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Middle East (New)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Applied & Life Sciences</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Collaboration, CUORE</au><au>Avignone, F T</au><au>Azzolini, O</au><au>Balata, M</au><au>Banks, T I</au><au>Bari, G</au><au>Beeman, J</au><au>Bellini, F</au><au>Bersani, A</au><au>Brofferio, C</au><au>Bucci, C</au><au>Cai, X Z</au><au>Canonica, L</au><au>Cao, X G</au><au>Capelli, S</au><au>Carbone, L</au><au>Cardani, L</au><au>Casali, N</au><au>Chiesa, D</au><au>Clemenza, M</au><au>Cosmelli, C</au><au>Cremonesi, O</au><au>Creswick, R J</au><au>Dafinei, I</au><au>Dally, A</au><au>Datskov, V</au><au>Deninno, M M</au><au>S Di Domizio</au><au>di Vacri, M L</au><au>Ejzak, L</au><au>Fang, D Q</au><au>Faverzani, M</au><au>Fernandes, G</au><au>Ferri, E</au><au>Fiorini, E</au><au>Freedman, S J</au><au>Fujikawa, B K</au><au>Giachero, A</au><au>Gironi, L</au><au>Giuliani, A</au><au>Goett, J</au><au>Gorla, P</au><au>Gotti, C</au><au>Gutierrez, T D</au><au>Haller, E E</au><au>Han, K</au><au>Heeger, K M</au><au>Hennings-Yeomans, R</au><au>Huang, H Z</au><au>Kadel, R</au><au>Kazkaz, K</au><au>Keppel, G</au><au>Kolomensky, Yu G</au><au>Li, Y L</au><au>Lim, K E</au><au>Ma, Y G</au><au>Maiano, C</au><au>Maino, M</au><au>Martinez, M</au><au>Maruyama, R H</au><au>Mei, Y</au><au>Moggi, N</au><au>Nones, C</au><au>Norman, E B</au><au>Nucciotti, A</au><au>Orlandi, D</au><au>Ouellet, J L</au><au>Pallavicini, M</au><au>Palmieri, V</au><au>Pattavina, L</au><au>Pavan, M</au><au>Pessina, G</au><au>Pettinacci, V</au><au>Piperno, G</au><au>Pirro, S</au><au>Rosenfeld, C</au><au>Rusconi, C</au><au>Sala, E</au><au>Sangiorgio, S</au><au>Scielzo, N D</au><au>Sisti, M</au><au>Smith, A R</au><au>Taffarello, L</au><au>Tenconi, M</au><au>Terranova, F</au><au>Tian, W D</au><au>Tomei, C</au><au>Trentalange, S</au><au>Ventura, G</au><au>Vignati, M</au><au>Wang, B S</au><au>Wang, H W</au><au>Wielgus, L</au><au>Wilson, J</au><au>Winslow, L A</au><au>Wise, T</au><au>Zanotti, L</au><au>Zarra, C</au><au>Zhu, B X</au><au>Zucchelli, S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Initial performance of the CUORE-0 experiment</atitle><jtitle>arXiv.org</jtitle><date>2014-08-01</date><risdate>2014</risdate><eissn>2331-8422</eissn><abstract>CUORE-0 is a cryogenic detector that uses an array of tellurium dioxide bolometers to search for neutrinoless double-beta decay of ^{130}Te. We present the first data analysis with 7.1 kg y of total TeO_2 exposure focusing on background measurements and energy resolution. The background rates in the neutrinoless double-beta decay region of interest (2.47 to 2.57 MeV) and in the {\alpha} background-dominated region (2.70 to 3.90 MeV) have been measured to be 0.071 \pm 0.011 and 0.019 \pm 0.002 counts/keV/kg/y, respectively. The latter result represents a factor of 6 improvement from a predecessor experiment, Cuoricino. The results verify our understanding of the background sources in CUORE-0, which is the basis of extrapolations to the full CUORE detector. The obtained energy resolution (full width at half maximum) in the region of interest is 5.7 keV. Based on the measured background rate and energy resolution in the region of interest, CUORE-0 half-life sensitivity is expected to surpass the observed lower bound of Cuoricino with one year of live time.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1402.0922</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2331-8422 |
| ispartof | arXiv.org, 2014-08 |
| issn | 2331-8422 |
| language | eng |
| recordid | cdi_arxiv_primary_1402_0922 |
| source | arXiv.org; Free E- Journals |
| subjects | Beta decay Bolometers Data analysis Energy measurement Energy resolution Lower bounds Physics - High Energy Physics - Experiment Physics - Instrumentation and Detectors Physics - Nuclear Experiment Tellurium Tellurium dioxide |
| title | Initial performance of the CUORE-0 experiment |
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