Lifetime measurements in mirror nuclei 31S and 31P: A test for isospin mixing

D Tonev; G de Angelis; P Petkov; S Iliev; R Orlandi; C Ur; N Goutev; M S Yavahchova; R Menegazzo; D Bazzacco; P G Bizzeti; A M Bizzeti-Sona; S Brant; D Bucurescu; I Deloncle; F Della Vedova; E Farnea; A Gadea; C He; A Iordachescu; M Ionescu-Bujor; H Laftchiev; S M Lenzi; G Lo Bianco; S Lunardi; N Marginean; R Marginean; D Mengoni; D R Napoli; H Penttilä; F Recchia; E Sahin; R P Singh; A Saltarelli; J J Valiente-Dobón; H -F Wirth; Q Zhong

doi:10.1088/1742-6596/267/1/012048

Journal of Physics: Conference Series

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Lifetime measurements in mirror nuclei ³¹S and ³¹P: A test for isospin mixing

D Tonev^1,2, G de Angelis², P Petkov¹, S Iliev¹, R Orlandi^2,4, C Ur³, N Goutev¹, M S Yavahchova¹, R Menegazzo³, D Bazzacco³, P G Bizzeti⁵, A M Bizzeti-Sona⁵, S Brant⁶, D Bucurescu⁷, I Deloncle⁸, F Della Vedova², E Farnea³, A Gadea^2,9, C He¹⁰, A Iordachescu⁷, M Ionescu-Bujor⁷, H Laftchiev¹, S M Lenzi³, G Lo Bianco¹¹, S Lunardi³, N Marginean^2,7, R Marginean^3,7, D Mengoni³, D R Napoli², H Penttilä¹², F Recchia³, E Sahin², R P Singh¹³, A Saltarelli¹¹, J J Valiente-Dobón², H -F Wirth¹⁴ and Q Zhong¹⁰

Published under licence by IOP Publishing Ltd
Journal of Physics: Conference Series, Volume 267, 10th International Spring Seminar on Nuclear Physics: New Quests in Nuclear Structure 21–25 May 2010, Vietri sul Mare, Italy Citation D Tonev et al 2011 J. Phys.: Conf. Ser. 267 012048 DOI 10.1088/1742-6596/267/1/012048

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¹ INRNE, Bulgarian Academy of Science, Sofia, Bulgaria

² INFN, Laboratori Nazionali di Legnaro, Legnaro, Italy

³ Dipartimento di Fisica and INFN Padova, Padova, Italy

⁴ The University of the West of Scotland, UK

⁵ Dipartimento di Fisica and INFN Firenze, Florence, Italy

⁶ University of Zagreb, Croatia

⁷ NIPNE, Bucharest, Romania

⁸ CSNSM, CNRS/Université, Paris-Sud XI, 91405 Orsay Campus, France

⁹ IFIC, Valencia, Spain

¹⁰ Department of Nuclear Physics, CIAE, Beijing, People's Republic of China

¹¹ Dipartimento di Fisica, Università di Camerino and INFN Perugia, Italy

¹² University of Jyväskylä, Jyväskylä, Finland

¹³ Inter-University Accelerator Center, New Delhi, India

¹⁴ Ludwig-Maximilians Universität München, Germany

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Abstract

Using the ²⁰Ne + ¹²C fusion-evaporation reaction at E_20Ne = 33 MeV and the multidetector array GASP in conjuction with the EUCLIDES charged particle detector, angular correlations of coincident pairs of γ transitions and lifetimes in mirror nuclei ³¹S and ³¹P have been measured at the Piave-Alpi accelerator of the Laboratori Nazionali di Legnaro. A comparison of the determined B(E1) strengths of the analog mirror 7/2⁻ → 5/2⁺ transitions indicates the presence of a violation of isospin symmetry.

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Lifetime measurements in mirror nuclei 31S and 31P: A test for isospin mixing

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Abstract

Lifetime measurements in mirror nuclei ³¹S and ³¹P: A test for isospin mixing