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Test measurement of 7Be(p,\(\gamma\))8B with the recoil mass separator ERNA

  • Regular Article - Experimental Physics
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Abstract.

7Be(p,\(\gamma\))8B has an important role in nuclear astrophysics, having a direct impact on both the high energy component of solar neutrinos and the 7Li abundance after the Big Bang Nucleosynthesis. All direct measurements providing useful information on this reaction so far used the same approach, i.e. a proton beam on a radioactive 7Be target. The overall precision and accuracy of the estimate of the astrophysical rate of this reaction are limited by the discrepancy between the results of existing measurements, possibly due to the complicated stoichiometry and beam induced deterioration of the radioactive targets. The ERNA (European Recoil separator for Nuclear Astrophysics) collaboration planned a new experiment in inverse kinematics exploiting the intense 7Be beam available at CIRCE (Center for Isotopic Research on Cultural and Environmental heritage), Caserta, Italy. The 8B recoils are produced in a windowless hydrogen gas target and detected after the efficient mass separation provided by ERNA. Here we present the commissioning of the experimental setup and a first cross section measurement at \(E_{\mathrm{cm}}\approx 812\) keV.

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Authors and Affiliations

  1. Dipartimento di Matematica e Fisica, Università della Campania “L. Vanvitelli”, Viale Lincoln, 5, Caserta, Italy

    R. Buompane, N. De Cesare, A. D’Onofrio, L. Gialanella, M. De Cesare, J. G. Duarte, L. Morales-Gallegos, L. R. Gasques, F. Marzaioli, G. Porzio, D. Rapagnani, C. Sabbarese, D. Schürmann & F. Terrasi

  2. Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Via Cinthia snc, Napoli, Italy

    R. Buompane, N. De Cesare, A. Di Leva, A. D’Onofrio, L. Gialanella, M. Romano, M. De Cesare, J. G. Duarte, L. Morales-Gallegos, L. R. Gasques, F. Marzaioli, G. Palumbo, G. Porzio, V. Roca, M. Romoli, C. Sabbarese, D. Schürmann & F. Terrasi

  3. Dipartimento di Fisica “E. Pancini”, Università di Napoli “Federico II”, Via Cinthia snc, Napoli, Italy

    A. Di Leva, M. Romano, V. Roca & D. Schürmann

  4. Dipartimento di Metodologie e Tecnologie per le Osservazioni e Misure, Centro Italiano Ricerche Aerospaziali, Capua, Italy

    M. De Cesare

  5. Institute for Nuclear Research (MTA Atomki), H-4001, Debrecen, Hungary

    Zs. Fülöp & Gy. Gyürky

  6. SUPA, School of Physics and Astronomy, University of Edinburgh, Edinburgh, UK

    L. Morales-Gallegos

  7. Departamento de Física Nuclear, Instituto de Física da Universidade de São Paulo, São Paulo, SP, Brazil

    L. R. Gasques

  8. Dipartimento di Economia, Management, Istituzioni, Laboratorio Chimico-Merceologico, Università di Napoli “Federico II”, Via Cinthia snc, Napoli, Italy

    G. Palumbo

  9. Dipartimento di Fisica e Geologia, Università degli Studi di Perugia, Perugia, Italy

    D. Rapagnani

  10. Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, Perugia, Italy

    D. Rapagnani

  11. RUBION, Ruhr-Universität Bochum, Bochum, Germany

    D. Rogalla

Authors
  1. R. Buompane
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  2. N. De Cesare
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  3. A. Di Leva
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  4. A. D’Onofrio
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  5. L. Gialanella
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  6. M. Romano
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  7. M. De Cesare
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  8. J. G. Duarte
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  9. Zs. Fülöp
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  10. L. Morales-Gallegos
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  11. Gy. Gyürky
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  12. L. R. Gasques
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  13. F. Marzaioli
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  14. G. Palumbo
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  15. G. Porzio
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  16. D. Rapagnani
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  17. V. Roca
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  18. D. Rogalla
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  19. M. Romoli
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  20. C. Sabbarese
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  21. D. Schürmann
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  22. F. Terrasi
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Corresponding author

Correspondence to L. Gialanella.

Additional information

Communicated by C. Broggini

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Buompane, R., De Cesare, N., Di Leva, A. et al. Test measurement of 7Be(p,\(\gamma\))8B with the recoil mass separator ERNA. Eur. Phys. J. A 54, 92 (2018). https://doi.org/10.1140/epja/i2018-12522-6

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  • DOI: https://doi.org/10.1140/epja/i2018-12522-6

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