Nuclear Charge Radius of 26mAl and Its Implication for Vud in the Quark Mixing 
Matrix

Plattner, P.; Wood, E.; Al Ayoubi, L.; Beliuskina, O.; Bissell, M. L.; Blaum, K.; Campbell, P.; Cheal, B.; de Groote, R. P.; Devlin, C. S.; Eronen, T.; Filippin, L.; Garcia Ruiz, R. F.; Ge, Z.; Geldhof, S.; Gins, W.; Godefroid, M.; Heylen, H.; Hukkanen, M.; Imgram, P.; Jaries, A.; Jokinen, A.; Kanellakopoulos, A.; Kankainen, A.; Kaufmann, S.; König, K.; Koszorús, Á.; Kujanpää, S.; Lechner, S.; Malbrunot-Ettenauer, S.; Müller, †P.; Mathieson, R.; Moore, I.; Nörtershäuser, W.; Nesterenko, D.; Neugart, R.; Neyens, G.; Ortiz-Cortes, A.; Penttilä, H.; Pohjalainen, I.; Raggio, A.; Reponen, M.; Rinta-Antila, S.; Rodríguez, L. V.; Romero, J.; Sánchez, R.; Sommer, F.; Stryjczyk, M.; Virtanen, V.; Xie, L.; Xu, Z. Y.; Yang, X. F.; Yordanov, D. T.

doi:10.1103/PhysRevLett.131.222502

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Nuclear Charge Radius of ^26mAl and Its Implication for V_ud in the Quark Mixing Matrix

Plattner, P., Wood, E., Al Ayoubi, L., Beliuskina, O., Bissell, M. L., Blaum, K., et al. (2023). Nuclear Charge Radius of ^26mAl and Its Implication for V_ud in the Quark Mixing Matrix. Physical Review Letters, 131(22): 222502. doi:10.1103/PhysRevLett.131.222502.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-FB77-3 Version Permalink: https://hdl.handle.net/21.11116/0000-000D-FB78-2

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https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.131.222502 (Publisher version) Open Access Gold

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Creators:
Plattner, P.¹, Author
Wood, E., Author
Al Ayoubi, L., Author
Beliuskina, O., Author
Bissell, M. L., Author
Blaum, K.¹, Author
Campbell, P., Author
Cheal, B., Author
de Groote, R. P., Author
Devlin, C. S., Author
Eronen, T., Author
Filippin, L., Author
Garcia Ruiz, R. F., Author
Ge, Z., Author
Geldhof, S., Author
Gins, W., Author
Godefroid, M., Author
Heylen, H.¹, Author
Hukkanen, M., Author
Imgram, P., Author
Jaries, A., AuthorJokinen, A., AuthorKanellakopoulos, A., AuthorKankainen, A., AuthorKaufmann, S., AuthorKönig, K., AuthorKoszorús, Á., AuthorKujanpää, S., AuthorLechner, S., AuthorMalbrunot-Ettenauer, S., AuthorMüller, †P., AuthorMathieson, R., AuthorMoore, I., AuthorNörtershäuser, W., AuthorNesterenko, D., AuthorNeugart, R.¹, Author         Neyens, G., AuthorOrtiz-Cortes, A., AuthorPenttilä, H., AuthorPohjalainen, I., AuthorRaggio, A., AuthorReponen, M., AuthorRinta-Antila, S., AuthorRodríguez, L. V.¹, Author         Romero, J., AuthorSánchez, R., AuthorSommer, F., AuthorStryjczyk, M., AuthorVirtanen, V., AuthorXie, L., AuthorXu, Z. Y., AuthorYang, X. F., AuthorYordanov, D. T., Author more..

Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548

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Free keywords: Cabibbo–Kobayashi–Maskawa matrix, Nuclear charge radii, Nuclear structure & decays, Laser spectroscopy

MPINP: Präzisionsexperimente - Abteilung Blaum

Abstract: Collinear laser spectroscopy was performed on the isomer of the aluminium isotope ^26mAl. The measured isotope shift to ²⁷Al in the 3s²3p ^²P_3/2^○→3s²4s ²S_1/2 atomic transition enabled the first experimental determination of the nuclear charge radius of ^26mAl, resulting in Rc=3.130(15) fm. This differs by 4.5 standard deviations from the extrapolated value used to calculate the isospin-symmetry breaking corrections in the superallowed β decay of ^26mAl. Its corrected Ft value, important for the estimation of V_ud in the Cabibbo-Kobayashi-Maskawa matrix, is thus shifted by 1 standard deviation to 3071.4(1.0) s.

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Dates: Published Online: 2023-11-27

Publication Status: Published online

Pages: 7

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Identifiers: DOI: 10.1103/PhysRevLett.131.222502

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Title: Physical Review Letters

Abbreviation : Phys. Rev. Lett.

Source Genre: Journal

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Publ. Info: Woodbury, N.Y. : American Physical Society

Pages: - Volume / Issue: 131 (22) Sequence Number: 222502 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1