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Nuclear charge radius of $^{26m}$Al and its implication for V$_{ud}$ in the quark-mixing matrix

Fuente: arXiv

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Auteurs principaux:	Plattner, P., Wood, E., Ayoubi, L. Al, Beliuskina, O., Bissell, M. L., Blaum, K., Campbell, P., Cheal, B., de Groote, R. P., Devlin, C. S., Eronen, T., Filippin, L., Ruíz, R. F. García, 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.
Format:	Preprint
Publié:	2023
Sujets:	Nuclear Experiment
Accès en ligne:	Acceder al recurso
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_version_	1866912047487254528
author	Plattner, P. Wood, E. Ayoubi, L. Al Beliuskina, O. Bissell, M. L. Blaum, K. Campbell, P. Cheal, B. de Groote, R. P. Devlin, C. S. Eronen, T. Filippin, L. Ruíz, R. F. García 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.
author_facet	Plattner, P. Wood, E. Ayoubi, L. Al Beliuskina, O. Bissell, M. L. Blaum, K. Campbell, P. Cheal, B. de Groote, R. P. Devlin, C. S. Eronen, T. Filippin, L. Ruíz, R. F. García 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.
contents	Collinear laser spectroscopy was performed on the isomer of the aluminium isotope $^{26m}$Al. The measured isotope shift to $^{27}$Al in the $3s^{2}3p\;^{2}\!P^\circ_{3/2} \rightarrow 3s^{2}4s\;^{2}\!S_{1/2}$ atomic transition enabled the first experimental determination of the nuclear charge radius of $^{26m}$Al, resulting in $R_c$=\qty{3.130\pm.015}{\femto\meter}. 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 $^{26m}$Al. Its corrected $\mathcal{F}t$ value, important for the estimation of $V_{ud}$ in the CKM matrix, is thus shifted by one standard deviation to \qty{3071.4\pm1.0}{\second}.
format	Preprint
id	arxiv_https___arxiv_org_abs_2310_15291
institution	arXiv
publishDate	2023
record_format	arxiv
spellingShingle	Nuclear charge radius of $^{26m}$Al and its implication for V$_{ud}$ in the quark-mixing matrix Plattner, P. Wood, E. Ayoubi, L. Al Beliuskina, O. Bissell, M. L. Blaum, K. Campbell, P. Cheal, B. de Groote, R. P. Devlin, C. S. Eronen, T. Filippin, L. Ruíz, R. F. García 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. Nuclear Experiment Collinear laser spectroscopy was performed on the isomer of the aluminium isotope $^{26m}$Al. The measured isotope shift to $^{27}$Al in the $3s^{2}3p\;^{2}\!P^\circ_{3/2} \rightarrow 3s^{2}4s\;^{2}\!S_{1/2}$ atomic transition enabled the first experimental determination of the nuclear charge radius of $^{26m}$Al, resulting in $R_c$=\qty{3.130\pm.015}{\femto\meter}. 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 $^{26m}$Al. Its corrected $\mathcal{F}t$ value, important for the estimation of $V_{ud}$ in the CKM matrix, is thus shifted by one standard deviation to \qty{3071.4\pm1.0}{\second}.
title	Nuclear charge radius of $^{26m}$Al and its implication for V$_{ud}$ in the quark-mixing matrix
topic	Nuclear Experiment
url	https://arxiv.org/abs/2310.15291