Limits on the Majorana neutrino mass and right-handed weak currents by neutrinoless double<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>β</mml:mi></mml:math>decay of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow /><mml:mrow><mml:mn>100</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi mathvariant="normal">Mo</mml:mi></mml:math>

Ejiri, H.; Fushimi, K.; Hayashi, Kohei; Kishimoto, T.; Kudomi, Nobuyuki; Kume, Kazuhiko; Kuramoto, H.; Matsuoka, K.; Ohsumi, H.; Kondo, Takahisa; Yoshida, S.

doi:10.1103/physrevc.63.065501

Cited by 62 publications

(33 citation statements)

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“…82) ELEGANT V with drift chambers was used by Ejiri et al to study decays from 100 Mo and 116 Cd. 87,98) Recently, NEMO III with large tracking chambers is being used in 32) The corresponding mass limits are 0.7 -1.2 eV and 1.3 -3.2 eV, respectively. The data will be improved by conducting further experiments, as discussed in §5.2.…”

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confidence: 99%

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Double Beta Decays and Neutrino Masses

2005

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Neutrino-less double beta decays (0), which violate the lepton number conservation law by ÁL ¼ 2, are of great interest for studying the fundamental properties of neutrinos beyond the standard electroweak theory. High-sensitivity 0 studies with mass sensitivities of the solar and atmosphericmasses are crucial for studying the Majorana nature of 's, the mass spectrum, the absolute -mass scale, the Majorana CP phases and other fundamental properties of neutrinos and weak interactions. Actually, high-sensitivity experiments of 0 are the unique and practical method for studying all these fundamental properties of neutrinos in the foreseeable future. On the basis of the recent oscillation studies, the effective mass sensitivity required for observing the 0 rate is of the order of the atmospheric mass scale of m A $ 50 meV in the case of the inverted mass hierarchy and of the order of the solar mass scale of m S $ 8 meV in the case of the normal hierarchy. The present detectors with sensitivities of 150 -300 meV are effective in the case of the quasi-degenerate mass spectrum. Future detectors with higher sensitivities of the orders of m A -m S , using different nuclei and methods (calorimetric, spectroscopic), are indispensable for establishing 0. Theoretical and experimental studies for evaluating nuclear matrix elements M 0 within 20 -30% are important for extracting the sensible mass from the 0 rate. Charge exchange reactions by means of nuclear, electron and probes provide useful data for M 0 . International collaboration for experimental and theoretical works are encouraged to perform next-generation experiments. High-sensitivity detectors can be used for studying rare nuclear processes such as solar 's, dark matter, charge nonconservation, and nucleon decays. This report is a brief review of double beta decays and neutrinos with emphasis on highsensitivity 0 studies for the Majorana mass.

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confidence: 99%

“…MOON is based on the recent studies of 100 Mo by ELEGANT V 98) and the solar studies by SNO. 10) The isotope 100 Mo, which has large nuclear responses for both decays and low-energy solar 's, is the only realistic isotope that satisfies the conditions for both the -and the low-energy solar-studies by two -ray spectroscopy.…”

Section: Moon Formentioning

confidence: 99%

Double Beta Decays and Neutrino Masses

2005

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“…22 y [23]). Using the nuclear matrix elements (NME) from [25,26,27], the following range of limits on the neutrino mass has been derived: < m ν > < (0.8 − 1.2) eV.…”

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Study of 2β-decay of 100Mo and 82Se using the NEMO3 detector

Arnold

Augier

Baker³

et al. 2004

Jetp Lett.

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“…Tracking detectors as used for real-time 82 Se and 100 Mo ββ experiments can be used to select ββ signals by measuring the individual two β rays [19,20], and to reject B SB with only one β ray. However, development of large tracking chambers with multi-ton scale enriched ββ isotopes is a real challenge for future.…”

Section: Summary and Discussionmentioning

confidence: 99%

Solar neutrino interactions with the double- β decay nuclei Se82, Mo100 , and
Ejiri
¹
,
Elliott
²

2017
Phys. Rev. C
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Solar neutrinos interact within double-beta decay (ββ) detectors and contribute to backgrounds for ββ experiments. Background contributions due to solar neutrino interactions with ββ nuclei of 82 Se, 100 Mo, and 150 Nd are evaluated. They are shown to be significant for future high-sensitivity ββ experiments that may search for Majorana neutrino masses in the inverted-hierarchy mass region. The impact of solar neutrino backgrounds and their reduction are discussed for future ββ experiments.

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Limits on the Majorana neutrino mass and right-handed weak currents by neutrinoless doubleβdecay of100Mo

Cited by 62 publications

References 40 publications

Double Beta Decays and Neutrino Masses

Double Beta Decays and Neutrino Masses

Study of 2β-decay of 100Mo and 82Se using the NEMO3 detector

Solar neutrino interactions with the double- β decay nuclei Se82, Mo100 , and
Ejiri
¹
,
Elliott
²

2017
Phys. Rev. C
Self Cite

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Limits on the Majorana neutrino mass and right-handed weak currents by neutrinoless doubleβdecay of100Mo

Cited by 62 publications

References 40 publications

Double Beta Decays and Neutrino Masses

Double Beta Decays and Neutrino Masses

Study of 2β-decay of 100Mo and 82Se using the NEMO3 detector

Solar neutrino interactions with the double- β decay nuclei Se82, Mo100 , and Ejiri1, Elliott2 2017Phys. Rev. CSelf Cite

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Solar neutrino interactions with the double- β decay nuclei Se82, Mo100 , and
Ejiri
¹
,
Elliott
²

2017
Phys. Rev. C
Self Cite