About: Study of double beta decay of Mo100 and Se82 using the NEMO3 detector

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About: Study of double beta decay of Mo100 and Se82 using the NEMO3 detector Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	After analysis of 5797 h of data from the detector NEMO3, new limits on neutrinoless double beta decay of Mo100 (T_1/2 > 3.1 × 10^23 y, 90% CL) and Se82 (T_1/2 > 1.4 × 10^23 y, 90% CL) have been obtained. The corresponding limits on the effective majorana neutrino mass are \|m_nu\| < (0.8-1.2) eV and \|m_nu\| < (1.5-3.1) eV, respectively. Also the limits on double-beta decay with Majoron emission are: T_1/2 >1.4 × 10^22 y (90% CL) for Mo100 and T_1/2 > 1.2 × 10^22 y (90% CL) for Se82. Corresponding bounds on the Majoron-neutrino coupling constant are \|g_ee\| < (0.5-0.9) × 10^-4 and < (0.7-1.6) × 10^-4. Two-neutrino double-beta decay half-lives have been measured with a high accuracy, T_1/2 (Mo100) = [7.68 +/- 0.02(stat) +/- 0.54(syst)] × 10^18 y and T_1/2 (Se82) = [10.3 +/- 0.3(stat) +/- 0.7(syst)] × 10^19 y. After analysis of 5797 h of data from the detector NEMO3, new limits on neutrinoless double beta decay of Mo100 (T_1/2 > 3.1 × 10^23 y, 90% CL) and Se82 (T_1/2 > 1.4 × 10^23 y, 90% CL) have been obtained. The corresponding limits on the effective majorana neutrino mass are \|m_nu\| < (0.8-1.2) eV and \|m_nu\| < (1.5-3.1) eV, respectively. Also the limits on double-beta decay with Majoron emission are: T_1/2 >1.4 × 10^22 y (90% CL) for Mo100 and T_1/2 > 1.2 × 10^22 y (90% CL) for Se82. Corresponding bounds on the Majoron-neutrino coupling constant are \|g_ee\| < (0.5-0.9) × 10^-4 and < (0.7-1.6) × 10^-4. Two-neutrino double-beta decay half-lives have been measured with a high accuracy, T_1/2 (Mo100) = [7.68 +/- 0.02(stat) +/- 0.54(syst)] × 10^18 y and T_1/2 (Se82) = [10.3 +/- 0.3(stat) +/- 0.7(syst)] × 10^19 y. (en) Po zpracování 5797 hodin dat z detektoru NEMO3 byly obdrženy nové limity pro bezneutrinový dvojitý rozpad beta Mo100 (T_1/2 > 3.1 × 10^23 let, 90% CL) a Se82 (T_1/2 > 1.4 × 10^23 let, 90% CL). Odpovídající limity hmotnosti majoranovského neutrina jsou \|m_nu\| < (0.8-1.2) eV, respektive \|m_nu\| < (1.5-3.1) eV. Také byly určeny limity pro dvojitý beta rozpad s emisí Majoronu: T_1/2 >1.4 × 10^22 let (90% CL) pro Mo100 a T_1/2 > 1.2 × 10^22 let (90% CL) pro Se82. Odpovídající vazbové konstanty mezi Majoronem a neutrinem jsou \|g_ee\| < (0.5-0.9) × 10^-4 a < (0.7-1.6) × 10^-4. Poločasy dvouneutrinového dvojitého rozpadu beta byly změřeny s vysokou přesností: T_1/2 (Mo100) = [7.68 +/- 0.02(stat) +/- 0.54(syst)] × 10^18 let a T_1/2 (Se82) = [10.3 +/- 0.3(stat) +/- 0.7(syst)] × 10^19 let. (cs)
Title	Study of double beta decay of Mo100 and Se82 using the NEMO3 detector Study of double beta decay of Mo100 and Se82 using the NEMO3 detector (en) Studium dvojitého rozpadu beta Mo100 a Se82 s detektorem NEMO3 (cs)
skos:prefLabel	Study of double beta decay of Mo100 and Se82 using the NEMO3 detector Study of double beta decay of Mo100 and Se82 using the NEMO3 detector (en) Studium dvojitého rozpadu beta Mo100 a Se82 s detektorem NEMO3 (cs)
skos:notation	RIV/68407700:21670/04:10107945!RIV/2005/GA0/216705/N
http://linked.open.../vavai/riv/strany	429 ; 433
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA202/02/0157)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Štekl, Ivan Vála, Ladislav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Ústav technické a experimentální fyziky ČVUT
http://linked.open...dnocenehoVysledku	588771
http://linked.open...ai/riv/idVysledku	RIV/68407700:21670/04:10107945
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Majoron;Mo100;NEMO;Se82;double beta decay;neutrino;neutrino mass (en)
http://linked.open.../riv/klicoveSlovo	double beta decay neutrino Majoron neutrino mass NEMO Mo100 Se82
http://linked.open...odStatuVydavatele	RU - Ruská federace
http://linked.open...ontrolniKodProRIV	[81E2EE30E75A]
http://linked.open...i/riv/nazevZdroje	Journal of Experimental and Theoretical Physics Letters
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Measurement of the double beta decay of 106Cd
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	80
http://linked.open...iv/tvurceVysledku	Štekl, Ivan Vála, Ladislav
issn	0021-3640
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	21670

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