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Mechanism of the \(^{144}\)Sm(\(^7\)Li,\(^6\)Li\(^*_{3+}\))\(^{145}\)Sm reaction at 30 MeV

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Abstract

In a recent experiment investigating the origin of the \(\alpha \) particle yield in the \(^7\)Li + \(^{144}\) Sm system the measured \(\alpha + d\) coincidences at a bombarding energy of 30 MeV were shown to arise from decay of the 2.186-MeV \(3^+\) resonance of \(^6\)Li. In this work we demonstrate that the laboratory frame \(\alpha \) particle angular distribution extracted from these data can be well described by a standard coupled channels Born approximation calculation and, furthermore, that the mechanism is dominated by direct, one-step single neutron stripping to the \(3^+\) resonance, as shown previously for the \(^7\)Li + \(^{65}\)Cu and \(^{93}\)Nb systems.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: The data were taken from Refs. [5] and [11].]

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Acknowledgements

This work was supported by the Polish National Science Centre under Contract No. 2014/14/M/ST2/00738 (COPIN-INFN Collaboration).

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Authors and Affiliations

  1. Heavy Ion Laboratory, University of Warsaw, ul. Pasteura 5a, 02-093, Warsaw, Poland

    K. Rusek & K. W. Kemper

  2. Dipartimento di Fisica e Astronomia, Università di Padova, via F. Marzolo 8, 35131, Padova, Italy

    M. Mazzocco

  3. INFN-Sezione di Padova, via F. Marzolo 8, 35131, Padova, Italy

    M. Mazzocco

  4. National Centre for Nuclear Research, ul. Andrzeja Sołtana 7, 05-400, Otwock, Poland

    N. Keeley

  5. Department of Physics, Florida State University, Tallahassee, Florida, 32306, USA

    K. W. Kemper

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  1. K. Rusek
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  2. M. Mazzocco
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Correspondence to N. Keeley.

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Communicated by Alessia Di Pietro

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Rusek, K., Mazzocco, M., Keeley, N. et al. Mechanism of the \(^{144}\)Sm(\(^7\)Li,\(^6\)Li\(^*_{3+}\))\(^{145}\)Sm reaction at 30 MeV. Eur. Phys. J. A 57, 10 (2021). https://doi.org/10.1140/epja/s10050-020-00335-1

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