Measurement of partial muon capture rates in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mi>s</mml:mi><mml:mo>−</mml:mo><mml:mn>0</mml:mn><mml:mi>d</mml:mi></mml:math>shell nuclei

Gorringe, T. P.; Armstrong, D. S.; Arole, S.; Boleman, M.; Gete, E.; Kuzmin, V. A.; Moftah, Belal; Sedlar, R.; Stocki, T. J.; Tetereva, T. V.

doi:10.1103/physrevc.60.055501

Cited by 26 publications

(23 citation statements)

References 41 publications

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“…Properties of the µ-mesonic atoms have been treated theoretically in [210] and experimentally in e.g. [211,212,213,214]. Due to the heavy mass of the muon (m µ = 105 MeV) the process has a momentum exchange of the order of q ∼ 100 MeV and is thus similar to the neutrinoless ββ decay where a Majorana neutrino of a similar momentum is exchanged.…”

Section: Effective G a From Nuclear Muon Capturementioning

confidence: 99%

“…Most of the theoretical attempts to describe the muon capture to individual nuclear states have concentrated on very light nuclei, A ≤ 20 [211,217,222,223,224,225,226] or to the mass region A = 23 − 40 [213,214,218,219,227,228,229,230,231,232,233]. Also studies in the 1s − 0d and 1p − 0f shells have been performed [234,235].…”

Section: Effective G a From Nuclear Muon Capturementioning

confidence: 99%

“…Heavier nuclei, involved in ββ-decays, have been treated in [236,237]. Interestingly enough, the muon-capture transitions can be used to probe the right-leg virtual transitions of 0νββ decays [235,236,237], but they can also give information on the in-medium renormalization of the axial current (4) in the form of an effective g A [214,227,229] and an effective induced pseudoscalar coupling g P (in fact the ratio g P /g A ) [213,217,218,219,223,224,227,228,229,231,232] at high (100 MeV) momentum transfers, relevant for studies of the virtual transitions of the 0νββ decays. A recent review on the renormalization of g P is given in [238].…”

Section: Effective G a From Nuclear Muon Capturementioning

confidence: 99%

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Value of the Axial-Vector Coupling Strength in β and ββ Decays: A Review

2017

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In this review the quenching of the weak axial-vector coupling strength, g A , is discussed in nuclear β and double-β decays. On one hand, the nuclear-medium and nuclear many-body effects are separated, and on the other hand the quenching is discussed from the points of view of different many-body methods and different β-decay and double-β-decay processes. Both the historical background and the present status are reviewed and contrasted against each other. The theoretical considerations are tied to performed and planned measurements, and possible new measurements are urged, whenever relevant and doable. Relation of the quenching problem to the measurements of charge-exchange reactions and muon-capture rates is pointed out.

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Section: Effective G a From Nuclear Muon Capturementioning

confidence: 99%

Section: Effective G a From Nuclear Muon Capturementioning

confidence: 99%

Section: Effective G a From Nuclear Muon Capturementioning

confidence: 99%

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Value of the Axial-Vector Coupling Strength in β and ββ Decays: A Review

2017

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“…7). This contrasts with 23 Na → 23 Ne and 28 Si → 28 Al (other cases of µ capture work on 1s-0d nuclei) where only a few states are found to exhaust a large fraction of GT strength (for more details see Gorringe et al [15]). Fig.…”

Section: B Model Calculationmentioning

confidence: 53%

Muon capture on35Cl

et al. 2002

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We report measurements of γ-ray spectra from muon capture on 35 Cl. For the allowed Gamow-Teller transitions to the 35 S(2939, 3/2 + ) state and the 35 S(3421, 5/2 + ) state we obtained their capture rates, hyperfine dependences and γ-ν correlation coefficients. The capture rates and hyperfine dependences were compared to shell model calculations using the complete 1s-0d space and the universal SD interaction. With g p /g a = 6.7 and g a = −1.00 (or g a = −1.26) we found agreement of the model and the data at the 1-2 σ level. However, we caution that the transitions are sensitive to ℓ = 2 forbidden matrix elements.Typeset using REVT E X 1

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“…Therefore large errors may appear in B(GT )'s obtained from the CEX cross sections [5]. Recent experiments on exclusive muon capture in sd-shell nuclei [6] give the possibility to compare the characteristics of strong GT transitions measured in weak interaction processes to those obtained from the CEX reactions. The energy released in nuclear muon capture is determined by the muon mass.…”

Section: Introductionmentioning

confidence: 99%