Limits on the Majorana Neutrino Mass in the 0.1 eV Range | Zendy

L. Baudis | Zendy; Alexander Dietz | Zendy; G. Heusser | Zendy; H. V. KlapdorKleingrothaus | Zendy; I. V. Krivosheina | Zendy; St. Kolb | Zendy; B. Majorovits | Zendy; V. F. Melnikov | Zendy; Heinrich Päs | Zendy; F. Schwamm | Zendy; H. Strecker | Zendy; V.I. Alexeev | Zendy; A. Balysh | Zendy; A. M. Bakalyarov | Zendy; S.T. Belyaev | Zendy; V. I. Lebedev | Zendy; S. V. Zhukov | Zendy

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Limits on the Majorana Neutrino Mass in the 0.1 eV Range

Author(s) -

L. Baudis,

Alexander Dietz,

G. Heusser,

H. V. KlapdorKleingrothaus,

I. V. Krivosheina,

St. Kolb,

B. Majorovits,

V. F. Melnikov,

Heinrich Päs,

F. Schwamm,

H. Strecker,

V.I. Alexeev,

A. Balysh,

A. M. Bakalyarov,

S.T. Belyaev,

V. I. Lebedev,

S. V. Zhukov

Publication year - 1999

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.83.41

Subject(s) - majorana , neutrino , physics , particle physics , degenerate energy levels , double beta decay , limit (mathematics) , nuclear physics , range (aeronautics) , quantum mechanics , materials science , composite material , mathematical analysis , mathematics

The Heidelberg-Moscow experiment gives the most stringent limit on theMajorana neutrino mass. After 24 kg yr of data with pulse shape measurements,we set a lower limit on the half-life of the neutrinoless double beta decay in76Ge of T_1/2 > 5.7 * 10^{25} yr at 90% C.L., thus excluding an effectiveMajorana neutrino mass greater than 0.2 eV. This allows to set strongconstraints on degenerate neutrino mass models.Comment: 6 pages (latex) including 3 postscript figures and 2 table

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