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  • The NEMO 3 detector, which has been operating in the Fréjus underground laboratory since February 2003, is devoted to the search for neutrinoless double-beta decay. The half-lives of the two neutrino double-beta decay have been measured for Mo100 and Se82. After 389 effective days of data collection from February 2003 until September 2004 (Phase I), no evidence for neutrinoless double-beta decay was found from 7 kg of Mo100 and 1 kg of Se82. The corresponding limits are T_1/2 > 4.6 x 10^23 yr for Mo100 and T_1/2 > 1.0 x 10^23 yr for Se82 (90% C.L.). Depending on the nuclear matrix element calculation, the limits for the effective Majorana neutrino mass are <m_nu> <0.7&#8211;2.8 eV for Mo100 and <m_nu> <1.7&#8211;4.9 eV for Se82.
  • The NEMO 3 detector, which has been operating in the Fréjus underground laboratory since February 2003, is devoted to the search for neutrinoless double-beta decay. The half-lives of the two neutrino double-beta decay have been measured for Mo100 and Se82. After 389 effective days of data collection from February 2003 until September 2004 (Phase I), no evidence for neutrinoless double-beta decay was found from 7 kg of Mo100 and 1 kg of Se82. The corresponding limits are T_1/2 > 4.6 x 10^23 yr for Mo100 and T_1/2 > 1.0 x 10^23 yr for Se82 (90% C.L.). Depending on the nuclear matrix element calculation, the limits for the effective Majorana neutrino mass are <m_nu> <0.7&#8211;2.8 eV for Mo100 and <m_nu> <1.7&#8211;4.9 eV for Se82. (en)
  • Detektor NEMO 3, který je v provozu v podzemní laboratoři Fréjus od února 2003, je určen k hledání bezneutrinového dvojitého rozpadu beta. Poločasy rozpadu dvouneutrinového dvojitého beta rozpadu Mo100 a Se82 byly taktéž změřeny. Po V datech za období od února 2003 do září 2004 (fáze I) odpovídajících 389 dnům čistého času sběru dat nebyl viděn pozitivní signál od bezneutrinového dvojitého rozpadu beta ani u Mo100, ani u Se82. Tomu odpovídající limity na poločas rozpadu jsou T_1/2 > 4.6 x 10^23 let pro Mo100 a T_1/2 > 1.0 x 10^23 let pro Se82 (90% C.L.). V závislosti na metodě výpočtu jaderných maticových elementů jsou pak limity na efektivní hmotnost Majoranova neutrina <m_nu> <0.7&#8211;2.8 eV pro Mo100 a <m_nu> <1.7&#8211;4.9 eV pro Se82. (cs)
Title
  • First Results of the Search for Neutrinoless Double-Beta Decay with the NEMO 3 Detector
  • First Results of the Search for Neutrinoless Double-Beta Decay with the NEMO 3 Detector (en)
  • První výsledky hledání bezneutrinového dvojitého rozpadu beta s detektorem NEMO 3 (cs)
skos:prefLabel
  • First Results of the Search for Neutrinoless Double-Beta Decay with the NEMO 3 Detector
  • First Results of the Search for Neutrinoless Double-Beta Decay with the NEMO 3 Detector (en)
  • První výsledky hledání bezneutrinového dvojitého rozpadu beta s detektorem NEMO 3 (cs)
skos:notation
  • RIV/68407700:21670/05:15117940!RIV06-GA0-21670___
http://linked.open.../vavai/riv/strany
  • 182302-1 ; 182302-4
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP202/05/P293), P(LC527), Z(MSM6840770029)
http://linked.open...iv/cisloPeriodika
  • 95
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 521753
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21670/05:15117940
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Majorana; Mo100; NEMO; Se82; double beta decay; neutrino; neutrino mass (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [121F21293B0C]
http://linked.open...i/riv/nazevZdroje
  • Physical Review Letters
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2005
http://linked.open...iv/tvurceVysledku
  • Štekl, Ivan
  • Arnold, R.
  • Baker, J.
  • Augier, C.
  • Vála, Ladislav
http://linked.open...n/vavai/riv/zamer
issn
  • 0031-9007
number of pages
http://localhost/t...ganizacniJednotka
  • 21670
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