Novel approach to infer the <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mmultiscripts><mi mathvariant="normal">H</mi><mprescripts></mprescripts><none></none><mn>2</mn></mmultiscripts><mo>(</mo><mi>p</mi><mo>,</mo><mi>γ</mi><mo>)</mo><mmultiscripts><mi>He</mi><mprescripts></mprescripts><none></none><mn>3</mn></mmultiscripts></mrow></math> angular distribution: Experimental results and comparison with theoretical calculations

K. Stöckel; N. Mozumdar; S. Zavatarelli; F. Ferraro; M. Aliotta; C. Ananna; L. Barbieri; F. Barile; D. Bemmerer; A. Best; A. Boeltzig; C. Broggini; C. G. Bruno; A. Caciolli; M. Campostrini; F. Cavanna; F. Casaburo; G. F. Ciani; P. Colombetti; A. Compagnucci; P. Corvisiero; L. Csedreki; T. Davinson; R. Depalo; D. Dell'Aquila; A. Di Leva; Z. Elekes; A. Formicola; Zs. Fülöp; G. Gervino; R. Gesuè; A. Guglielmetti; C. Gustavino; Gy. Gyürky; A. Kievsky; G. Imbriani; M. Junker; M. Lugaro; L. E. Marcucci; P. Marigo; J. Marsh; E. Masha; R. Menegazzo; D. Mercogliano; V. Mossa; V. Paticchio; D. Piatti; P. Prati; D. Rapagnani; V. Rigato; D. Robb; L. Schiavulli; R. S. Sidhu; J. Skowronski; O. Straniero; T. Szücs; M. Viviani

doi:10.1103/PhysRevC.110.L032801

Letter

Novel approach to infer the ${}^{2}H (p, γ) {}^{3}{He}$ angular distribution: Experimental results and comparison with theoretical calculations

K. Stöckel^1,2, N. Mozumdar^3,*, S. Zavatarelli⁴, F. Ferraro⁵, M. Aliotta⁶, C. Ananna^7,8, L. Barbieri⁶, F. Barile^9,10, D. Bemmerer¹ et al.

A. Best^7,8, A. Boeltzig¹, C. Broggini¹¹, C. G. Bruno⁶, A. Caciolli^3,11, M. Campostrini¹², F. Cavanna ^13,†, F. Casaburo^4,14, G. F. Ciani¹⁰, P. Colombetti^15,13, A. Compagnucci^5,16, P. Corvisiero^4,14, L. Csedreki¹⁷, T. Davinson⁶, R. Depalo^19,20, D. Dell'Aquila^7,8, A. Di Leva^7,8, Z. Elekes^17,18, A. Formicola²¹, Zs. Fülöp¹⁷, G. Gervino^15,13, R. Gesuè^5,16, A. Guglielmetti ^19,20, C. Gustavino^21,‡, Gy. Gyürky ¹⁷, A. Kievsky ²², G. Imbriani^7,8, M. Junker⁵, M. Lugaro ²³, L. E. Marcucci ^22,24, P. Marigo^3,11, J. Marsh ⁶, E. Masha ¹, R. Menegazzo¹¹, D. Mercogliano^7,8, V. Mossa^9,10, V. Paticchio¹⁰, D. Piatti^3,11, P. Prati^4,14, D. Rapagnani ^7,8, V. Rigato¹², D. Robb⁶, L. Schiavulli^9,10, R. S. Sidhu ⁶, J. Skowronski ^3,11, O. Straniero^25,21, T. Szücs ¹⁷, and M. Viviani ²²

¹Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
²Technische Universität Dresden, Dresden, Germany
³Dipartimento di Fisica e Astronomia, Università degli Studi di Padova, Via F. Marzolo 8, 35131 Padova, Italy
⁴Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Genova, Via Dodecaneso 33, 16146 Genova, Italy
⁵INFN, Laboratori Nazionali del Gran Sasso (LNGS), Assergi (AQ), Italy
⁶SUPA, School of Physics and Astronomy, University of Edinburgh, EH9 3FD Edinburgh, United Kingdom
⁷Università degli Studi di Napoli “Federico II”, Dipartimento di Fisica “E. Pancini”, Via Cintia, 80126 Napoli, Italy
⁸INFN, Sezione di Napoli, Via Cintia, 80126 Napoli, Italy
⁹Università degli Studi di Bari, 70125 Bari, Italy
¹⁰INFN, Sezione di Bari, 70125 Bari, Italy
¹¹INFN, Sezione di Padova, Via F. Marzolo 8, 35131 Padova, Italy
¹²INFN Laboratori Nazionali di Legnaro, Via dell'Università 2, 35020 Legnaro (PD), Italy
¹³INFN, Sezione di Torino, Via P. Giuria 1, 10125 Torino, Italy
¹⁴Università degli Studi di Genova, Via Dodecaneso 33, 16146 Genova, Italy
¹⁵Università degli Studi di Torino, Torino, Italy
¹⁶Gran Sasso Science Institute (GSSI), L'Aquila, Italy, Assergi (AQ), Italy
¹⁷Institute for Nuclear Research (HUN-REN ATOMKI), Debrecen, Hungary
¹⁸Institute of Physics, Faculty of Science and Technology, University of Debrecen, Egyetem tér 1., H-4032 Debrecen, Hungary
¹⁹Università degli Studi di Milano, Via G. Celoria 16, 20133 Milano, Italy
²⁰INFN, Sezione di Milano, Via G. Celoria 16, 20133 Milano, Italy
²¹INFN, Sezione di Roma, Piazzale A. Moro 2, 00185 Roma, Italy
²²INFN Sezione di Pisa, Largo B. Pontecorvo 3, 56127 Pisa, Italy
²³Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, 1121 Budapest, Hungary
²⁴Dipartimento di Fisica “E. Fermi”, Università di Pisa, Largo B. Pontecorvo 3, 56127 Pisa, Italy
²⁵INAF, Osservatorio Astronomico d'Abruzzo, Via M. Maggini s.n.c, 64100 Teramo, Italy

^*Present address: Technische Universität Darmstadt, Darmstadt, Germany.
^†Contact author: francesca.cavanna@to.infn.it
^‡Contact author: carlo.gustavino@roma1.infn.it

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Phys. Rev. C 110, L032801 – Published 18 September, 2024

DOI: https://doi.org/10.1103/PhysRevC.110.L032801

Abstract

The $D (p, γ) {}^{3}{He}$ reaction, where ‘D’ denotes ‘ ${}^{2}H$ ’, is of primary importance in cosmology and nuclear physics since it offers a unique opportunity to test predictions based on the description of nuclear interactions. We present a novel approach to extract the angular distribution of the photons emitted by the $D (p, γ) {}^{3}{He}$ reaction inferred from the shape of the experimental $γ$ spectra. The measurement was performed in the Gran Sasso Laboratories by the LUNA collaboration. By using a HPGe detector faced to an extended deuterium gas target, it was possible to derive the angular distribution in the 30–280 keV kinetic energy range and to compare the results with recent ab initio predictions.

Physical Review C

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Novel approach to infer the ${}^{2}H (p, γ) {}^{3}{He}$ angular distribution: Experimental results and comparison with theoretical calculations

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Novel approach to infer the H2(p,γ)He3 angular distribution: Experimental results and comparison with theoretical calculations

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Novel approach to infer the ${}^{2}H (p, γ) {}^{3}{He}$ angular distribution: Experimental results and comparison with theoretical calculations