Erratum: Orbital electron capture by the nucleus

Bambynek, W.; Behrens, H.; Chen, M. H.; Crasemann, Bernd; Fitzpatrick, M.L.; Ledingham, K.W.D.; Genz, H.; Mutterer, M.; Intemann, Robert L.

doi:10.1103/revmodphys.49.961

Cited by 34 publications

(32 citation statements)

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“…[29]. Because the nuclear shape factors C i are approximately identical in an allowed transition [31], they can be factored out from the sum in Eqs. (5) and (6).…”

Section: Relic Antineutrino Capturesmentioning

confidence: 99%

Captures of hot and warm sterile antineutrino dark matter on EC-decaying⁶³Honuclei

Zhang

2011

J. Cosmol. Astropart. Phys.

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Capturing low-energy electron antineutrinos on radioactive 163 Ho nuclei, which decay into 163 Dy via electron capture (EC), is a noteworthy opportunity to detect relic sterile antineutrinos. Such hypothetical particles are more or less implied by current experimental and cosmological data, and they might be a part of hot dark matter or a candidate for warm dark matter in the Universe. Using the isotope 163 Ho as a target and assuming reasonable active-sterile antineutrino mixing angles, we calculate the capture rate of relic electron antineutrinos against the corresponding EC-decay background in the presence of sterile antineutrinos at the sub-eV or keV mass scale. We show that the signature of hot or warm sterile antineutrino dark matter should in principle be observable, provided the target is big enough and the energy resolution is good enough.

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“…[29]. Because the nuclear shape factors C i are approximately identical in an allowed transition [31], they can be factored out from the sum in Eqs. (5) and (6).…”

Section: Relic Antineutrino Capturesmentioning

confidence: 99%

Captures of hot and warm sterile antineutrino dark matter on EC-decaying⁶³Honuclei

Zhang

2011

J. Cosmol. Astropart. Phys.

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“…(6) Taking into consideration that for mirror transitions R;(rt) = Rf(rt) we obtaiñ = G14fl(1 -~~t~2 )l~, &l'.…”

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confidence: 99%

Effects of the Hyperfine Interaction on Orbital Electron Capture

Folan¹,

Tsifrinovich²

1995

Phys. Rev. Lett.

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Electron capture from an unfilled atomic s orbital is investigated theoretically.Analyses are carried out for two simple situations, a mirror transition of a nucleus with a nucleon in an outer sl/2 state and a Gamow-Teller transition decreasing the nuclear spin by one unit. It is shown that the hyperfine interaction between electron and nuclear spins has a great infIuence on the rate of electron capture at temperatures small compared to the hyperfine splitting. The possibility of inducing electron capture with resonant electromagnetic fields is discussed.

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“…18. [ 19]. The moments of neutrinos (q¡) for the electron capture are considered to be equal for the two different chemical states under consideration and hence they are compensated in Eq.…”

Section: Resultsmentioning

confidence: 99%

“…Such a system facilitates the measurement of decay rate changes of the long lived nuclide within a reasonably short experimental time. The result is compared with the theoretical estimation which is made on the basis of the relativistic Dirac-Slater elctron density calculation according to LlBERMAN et al [17], taking account of overlap and exchange corrections by VATAI [18] and further improvement by BAMBYNEK et al [19].…”

Section: Segre [2]mentioning

confidence: 99%

Decay Rate Change of ⁶⁵Zn by Chemical Effects

Koppold

Kim

1984

Radiochimica Acta

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Decay rate /Change of decay rate /' 5 Zn Summary The relative decay rate change, Δ λ/λ, of 65 Zn in its two oxidation states, Zn° and Zn 2 is determined by measuring gamma activities of a pair of samples alternately. The redox reaction of Zn is realized in a secondary battery at a certain time interval during the activity measurement. By using the so called "jumpmçthod" the Δλ/λ value for the given set of oxidation states is determined to be Δλ λ( 45 Ζη° ) -\(Ca 65 Zn(OH) 4 ) (11.5 ± 0.4) X 10-λ λ(« 5 Ζη°)The theoretical estimates made in this work corroborate approximately the experimental values.

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Erratum: Orbital electron capture by the nucleus

Cited by 34 publications

References 0 publications

Captures of hot and warm sterile antineutrino dark matter on EC-decaying⁶³Honuclei

Captures of hot and warm sterile antineutrino dark matter on EC-decaying⁶³Honuclei

Effects of the Hyperfine Interaction on Orbital Electron Capture

Decay Rate Change of ⁶⁵Zn by Chemical Effects

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Erratum: Orbital electron capture by the nucleus

Cited by 34 publications

References 0 publications

Captures of hot and warm sterile antineutrino dark matter on EC-decaying63Honuclei

Captures of hot and warm sterile antineutrino dark matter on EC-decaying63Honuclei

Effects of the Hyperfine Interaction on Orbital Electron Capture

Decay Rate Change of 65Zn by Chemical Effects

Contact Info

Product

Resources

About

Captures of hot and warm sterile antineutrino dark matter on EC-decaying⁶³Honuclei

Captures of hot and warm sterile antineutrino dark matter on EC-decaying⁶³Honuclei

Decay Rate Change of ⁶⁵Zn by Chemical Effects