Abstract

A sample of 1.3 × 105K+π0e+νγ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017–2018. Branching fraction measurements are obtained at percent relative precision in three restricted kinematic regions, improving on existing results by a factor larger than two. An asymmetry, possibly related to T-violation, is investigated with no evidence observed within the achieved precision.

Details

Title
A study of the K+→ π0e+νγ decay
Author
Cortina Gil, E. 1 ; Kleimenova, A. 2 ; Minucci, E. 3 ; Padolski, S. 1 ; Petrov, P. 1 ; Shaikhiev, A. 4 ; Volpe, R. 5 ; Numao, T. 6 ; Petrov, Y. 6 ; Velghe, B. 6 ; Wong, V. W. S. 6 ; Bryman, D. 7 ; Fu, J. 8 ; Hives, Z. 9 ; Husek, T. 9 ; Jerhot, J. 10 ; Kampf, K. 9 ; Zamkovsky, M. 11 ; De Martino, B. 12 ; Perrin-Terrin, M. 12 ; Akmete, A. T. 13 ; Aliberti, R. 14 ; Khoriauli, G. 15 ; Kunze, J. 13 ; Lomidze, D. 16 ; Peruzzo, L. 13 ; Vormstein, M. 13 ; Wanke, R. 13 ; Dalpiaz, P. 17 ; Fiorini, M. 17 ; Mazzolari, A. 17 ; Neri, I. 17 ; Norton, A. 18 ; Petrucci, F. 17 ; Soldani, M. 17 ; Wahl, H. 19 ; Bandiera, L. 20 ; Cotta Ramusino, A. 20 ; Gianoli, A. 20 ; Romagnoni, M. 20 ; Sytov, A. 20 ; Iacopini, E. 21 ; Latino, G. 21 ; Lenti, M. 21 ; Lo Chiatto, P. 21 ; Panichi, I. 21 ; Parenti, A. 21 ; Bizzeti, A. 22 ; Bucci, F. 23 ; Antonelli, A. 24 ; Georgiev, G. 25 ; Kozhuharov, V. 25 ; Lanfranchi, G. 24 ; Martellotti, S. 24 ; Moulson, M. 24 ; Spadaro, T. 24 ; Tinti, G. 24 ; Ambrosino, F. 26 ; Capussela, T. 26 ; Corvino, M. 26 ; D’Errico, M. 26 ; Di Filippo, D. 26 ; Fiorenza, R. 27 ; Giordano, R. 26 ; Massarotti, P. 26 ; Mirra, M. 26 ; Napolitano, M. 26 ; Rosa, I. 26 ; Saracino, G. 26 ; Anzivino, G. 28 ; Brizioli, F. 29 ; Imbergamo, E. 28 ; Lollini, R. 28 ; Piandani, R. 30 ; Santoni, C. 28 ; Barbanera, M. 31 ; Cenci, P. 31 ; Checcucci, B. 31 ; Lubrano, P. 31 ; Lupi, M. 32 ; Pepe, M. 31 ; Piccini, M. 31 ; Costantini, F. 33 ; Di Lella, L. 34 ; Doble, N. 34 ; Giorgi, M. 33 ; Giudici, S. 33 ; Lamanna, G. 33 ; Lari, E. 33 ; Pedreschi, E. 33 ; Sozzi, M. 33 ; Cerri, C. 35 ; Fantechi, R. 35 ; Pontisso, L. 36 ; Spinella, F. 35 ; Mannelli, I. 37 ; D’Agostini, G. 38 ; Raggi, M. 38 ; Biagioni, A. 39 ; Cretaro, P. 39 ; Frezza, O. 39 ; Leonardi, E. 39 ; Lonardo, A. 39 ; Turisini, M. 39 ; Valente, P. 39 ; Vicini, P. 39 ; Ammendola, R. 40 ; Bonaiuto, V. 41 ; Fucci, A. 40 ; Salamon, A. 40 ; Sargeni, F. 42 ; Arcidiacono, R. 43 ; Bloch-Devaux, B. 44 ; Boretto, M. 45 ; Menichetti, E. 44 ; Migliore, E. 44 ; Soldi, D. 44 ; Biino, C. 46 ; Filippi, A. 46 ; Marchetto, F. 46 ; Briano Olvera, A. 47 ; Engelfried, J. 47 ; Estrada-Tristan, N. 48 ; Reyes Santos, M. A. 48 ; Boboc, P. 49 ; Bragadireanu, A. M. 49 ; Ghinescu, S. A. 49 ; Hutanu, O. E. 49 ; Bician, L. 50 ; Blazek, T. 51 ; Cerny, V. 51 ; Kucerova, Z. 52 ; Bernhard, J. 53 ; Ceccucci, A. 53 ; Ceoletta, M. 53 ; Danielsson, H. 53 ; De Simone, N. 54 ; Duval, F. 53 ; Döbrich, B. 55 ; Federici, L. 53 ; Gamberini, E. 53 ; Gatignon, L. 56 ; Guida, R. 53 ; Hahn, F. 53 ; Holzer, E. B. 53 ; Jenninger, B. 53 ; Koval, M. 11 ; Laycock, P. 57 ; Lehmann Miotto, G. 53 ; Lichard, P. 53 ; Mapelli, A. 53 ; Marchevski, R. 58 ; Massri, K. 53 ; Noy, M. 53 ; Palladino, V. 53 ; Pinzino, J. 59 ; Ryjov, V. 53 ; Schuchmann, S. 53 ; Venditti, S. 53 ; Bache, T. 60 ; Brunetti, M. B. 61 ; Duk, V. 62 ; Fascianelli, V. 63 ; Fry, J. R. 60 ; Gonnella, F. 60 ; Goudzovski, E. 60 ; Henshaw, J. 60 ; Iacobuzio, L. 60 ; Kenworthy, C. 60 ; Lazzeroni, C. 60 ; Lurkin, N. 64 ; Newson, F. 60 ; Parkinson, C. 60 ; Romano, A. 60 ; Sanders, J. 60 ; Sergi, A. 65 ; Sturgess, A. 60 ; Swallow, J. 66 ; Tomczak, A. 60 ; Heath, H. 67 ; Page, R. 67 ; Trilov, S. 67 ; Angelucci, B. 68 ; Britton, D. 68 ; Graham, C. 68 ; Protopopescu, D. 68 ; Carmignani, J. 69 ; Dainton, J. B. 70 ; Jones, R. W. L. 70 ; Ruggiero, G. 71 ; Fulton, L. 72 ; Hutchcroft, D. 72 ; Maurice, E. 73 ; Wrona, B. 72 ; Conovaloff, A. 74 ; Cooper, P. 74 ; Coward, D. 75 ; Rubin, P. 74 ; Baeva, A.; Baigarashev, D. 76 ; Emelyanov, D.; Enik, T.; Falaleev, V. 31 ; Fedotov, S.; Gorshanov, K.; Gushchin, E.; Kekelidze, V.; Kereibay, D.; Kholodenko, S. 35 ; Khotyantsev, A.; Korotkova, A.; Kudenko, Y.; Kurochka, V.; Kurshetsov, V.; Litov, L. 77 ; Madigozhin, D.; Medvedeva, M.; Mefodev, A.; Misheva, M. 78 ; Molokanova, N.; Movchan, S.; Obraztsov, V.; Okhotnikov, A.; Ostankov, A.; Polenkevich, I.; Potrebenikov, Yu.; Sadovskiy, A.; Semenov, V.; Shkarovskiy, S.; Sugonyaev, V.; Yushchenko, O.; Zinchenko, A.

 Université Catholique de Louvain, Louvain-La-Neuve, Belgium (GRID:grid.7942.8) (ISNI:0000 0001 2294 713X) 
 Université Catholique de Louvain, Louvain-La-Neuve, Belgium (GRID:grid.7942.8) (ISNI:0000 0001 2294 713X); Ecole Polytechnique Fédérale Lausanne, Lausanne, Switzerland (GRID:grid.5333.6) (ISNI:0000 0001 2183 9049) 
 Université Catholique de Louvain, Louvain-La-Neuve, Belgium (GRID:grid.7942.8) (ISNI:0000 0001 2294 713X); Syracuse University, Syracuse, U.S.A. (GRID:grid.264484.8) (ISNI:0000 0001 2189 1568) 
 Université Catholique de Louvain, Louvain-La-Neuve, Belgium (GRID:grid.7942.8) (ISNI:0000 0001 2294 713X); University of Lancaster, Faculty of Science and Technology, Lancaster, U.K. (GRID:grid.9835.7) (ISNI:0000 0000 8190 6402) 
 Université Catholique de Louvain, Louvain-La-Neuve, Belgium (GRID:grid.7942.8) (ISNI:0000 0001 2294 713X); INFN, Sezione di Perugia, Perugia, Italy (GRID:grid.470215.5) 
 TRIUMF, Vancouver, Canada (GRID:grid.232474.4) (ISNI:0000 0001 0705 9791) 
 TRIUMF, Vancouver, Canada (GRID:grid.232474.4) (ISNI:0000 0001 0705 9791); University of British Columbia, Vancouver, Canada (GRID:grid.17091.3e) (ISNI:0000 0001 2288 9830) 
 University of British Columbia, Vancouver, Canada (GRID:grid.17091.3e) (ISNI:0000 0001 2288 9830) 
 Charles University, Prague 1, Czech Republic (GRID:grid.4491.8) (ISNI:0000 0004 1937 116X) 
10  Université Catholique de Louvain, Louvain-La-Neuve, Belgium (GRID:grid.7942.8) (ISNI:0000 0001 2294 713X); Charles University, Prague 1, Czech Republic (GRID:grid.4491.8) (ISNI:0000 0004 1937 116X) 
11  Charles University, Prague 1, Czech Republic (GRID:grid.4491.8) (ISNI:0000 0004 1937 116X); CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X) 
12  Aix Marseille University, CNRS/IN2P3, CPPM, Marseille, France (GRID:grid.5399.6) (ISNI:0000 0001 2176 4817) 
13  Universität Mainz, Institut für Physik and PRISMA Cluster of Excellence, Mainz, Germany (GRID:grid.5802.f) (ISNI:0000 0001 1941 7111) 
14  Universität Mainz, Institut für Physik and PRISMA Cluster of Excellence, Mainz, Germany (GRID:grid.5802.f) (ISNI:0000 0001 1941 7111); Universität Mainz, Institut für Kernphysik and Helmholtz Institute Mainz, Mainz, Germany (GRID:grid.5802.f) (ISNI:0000 0001 1941 7111) 
15  Universität Mainz, Institut für Physik and PRISMA Cluster of Excellence, Mainz, Germany (GRID:grid.5802.f) (ISNI:0000 0001 1941 7111); Universität Würzburg, Würzburg, Germany (GRID:grid.8379.5) (ISNI:0000 0001 1958 8658) 
16  Universität Mainz, Institut für Physik and PRISMA Cluster of Excellence, Mainz, Germany (GRID:grid.5802.f) (ISNI:0000 0001 1941 7111); European XFEL GmbH, Schenefeld, Germany (GRID:grid.434729.f) (ISNI:0000 0004 0590 2900) 
17  Dipartimento di Fisica e Scienze della Terra dell’Università e INFN, Sezione di Ferrara, Ferrara, Italy (GRID:grid.470200.1) (ISNI:0000 0004 1765 4414) 
18  Dipartimento di Fisica e Scienze della Terra dell’Università e INFN, Sezione di Ferrara, Ferrara, Italy (GRID:grid.470200.1) (ISNI:0000 0004 1765 4414); University of Glasgow, School of Physics and Astronomy, Glasgow, U.K. (GRID:grid.8756.c) (ISNI:0000 0001 2193 314X) 
19  Universität Mainz, Institut für Physik and PRISMA Cluster of Excellence, Mainz, Germany (GRID:grid.5802.f) (ISNI:0000 0001 1941 7111); Dipartimento di Fisica e Scienze della Terra dell’Università e INFN, Sezione di Ferrara, Ferrara, Italy (GRID:grid.470200.1) (ISNI:0000 0004 1765 4414) 
20  INFN, Sezione di Ferrara, Ferrara, Italy (GRID:grid.470200.1) (ISNI:0000 0004 1765 4414) 
21  Dipartimento di Fisica e Astronomia dell’Università e INFN, Sezione di Firenze, Sesto Fiorentino, Italy (GRID:grid.470204.5) (ISNI:0000 0001 2231 4148) 
22  INFN, Sezione di Firenze, Sesto Fiorentino, Italy (GRID:grid.470204.5) (ISNI:0000 0001 2231 4148); Università di Modena e Reggio Emilia, Dipartimento di Scienze Fisiche, Informatiche e Matematiche, Modena, Italy (GRID:grid.7548.e) (ISNI:0000000121697570) 
23  INFN, Sezione di Firenze, Sesto Fiorentino, Italy (GRID:grid.470204.5) (ISNI:0000 0001 2231 4148) 
24  Laboratori Nazionali di Frascati, Frascati, Italy (GRID:grid.463190.9) (ISNI:0000 0004 0648 0236) 
25  Laboratori Nazionali di Frascati, Frascati, Italy (GRID:grid.463190.9) (ISNI:0000 0004 0648 0236); University of Sofia, Faculty of Physics, Sofia, Bulgaria (GRID:grid.11355.33) (ISNI:0000 0001 2192 3275) 
26  Dipartimento di Fisica “Ettore Pancini” e INFN, Sezione di Napoli, Napoli, Italy (GRID:grid.470211.1) (ISNI:0000 0004 8343 7696) 
27  Dipartimento di Fisica “Ettore Pancini” e INFN, Sezione di Napoli, Napoli, Italy (GRID:grid.470211.1) (ISNI:0000 0004 8343 7696); Scuola Superiore Meridionale e INFN, Sezione di Napoli, Napoli, Italy (GRID:grid.470211.1) (ISNI:0000 0004 8343 7696) 
28  Dipartimento di Fisica e Geologia dell’Università e INFN, Sezione di Perugia, Perugia, Italy (GRID:grid.470215.5) 
29  Dipartimento di Fisica e Geologia dell’Università e INFN, Sezione di Perugia, Perugia, Italy (GRID:grid.470215.5); CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X) 
30  Dipartimento di Fisica e Geologia dell’Università e INFN, Sezione di Perugia, Perugia, Italy (GRID:grid.470215.5); Universidad Autónoma de San Luis Potosí, Instituto de Física, San Luis Potosí, Mexico (GRID:grid.412862.b) (ISNI:0000 0001 2191 239X) 
31  INFN, Sezione di Perugia, Perugia, Italy (GRID:grid.470215.5) 
32  INFN, Sezione di Perugia, Perugia, Italy (GRID:grid.470215.5); Goethe Universität, Institut am Fachbereich Informatik und Mathematik, Frankfurt am Main, Germany (GRID:grid.7839.5) (ISNI:0000 0004 1936 9721) 
33  Dipartimento di Fisica dell’Università e INFN, Sezione di Pisa, Pisa, Italy (GRID:grid.470216.6) 
34  Universität Mainz, Institut für Physik and PRISMA Cluster of Excellence, Mainz, Germany (GRID:grid.5802.f) (ISNI:0000 0001 1941 7111); Dipartimento di Fisica dell’Università e INFN, Sezione di Pisa, Pisa, Italy (GRID:grid.470216.6) 
35  INFN, Sezione di Pisa, Pisa, Italy (GRID:grid.470216.6) 
36  INFN, Sezione di Pisa, Pisa, Italy (GRID:grid.470216.6); INFN, Sezione di Roma I, Roma, Italy (GRID:grid.470218.8) 
37  Scuola Normale Superiore e INFN, Sezione di Pisa, Pisa, Italy (GRID:grid.470216.6) 
38  Dipartimento di Fisica, Sapienza Università di Roma e INFN, Sezione di Roma I, Roma, Italy (GRID:grid.7841.a) 
39  INFN, Sezione di Roma I, Roma, Italy (GRID:grid.470218.8) 
40  INFN, Sezione di Roma Tor Vergata, Roma, Italy (GRID:grid.470219.9) 
41  INFN, Sezione di Roma Tor Vergata, Roma, Italy (GRID:grid.470219.9); University of Roma Tor Vergata, Department of Industrial Engineering, Roma, Italy (GRID:grid.6530.0) (ISNI:0000 0001 2300 0941) 
42  INFN, Sezione di Roma Tor Vergata, Roma, Italy (GRID:grid.470219.9); University of Roma Tor Vergata, Department of Electronic Engineering, Roma, Italy (GRID:grid.6530.0) (ISNI:0000 0001 2300 0941) 
43  Dipartimento di Fisica dell’Università e INFN, Sezione di Torino, Torino, Italy (GRID:grid.470222.1) (ISNI:0000 0004 7471 9712); Università degli Studi del Piemonte Orientale, Vercelli, Italy (GRID:grid.16563.37) (ISNI:0000000121663741) 
44  Dipartimento di Fisica dell’Università e INFN, Sezione di Torino, Torino, Italy (GRID:grid.470222.1) (ISNI:0000 0004 7471 9712) 
45  Dipartimento di Fisica dell’Università e INFN, Sezione di Torino, Torino, Italy (GRID:grid.470222.1) (ISNI:0000 0004 7471 9712); CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X) 
46  INFN, Sezione di Torino, Torino, Italy (GRID:grid.470222.1) (ISNI:0000 0004 7471 9712) 
47  Universidad Autónoma de San Luis Potosí, Instituto de Física, San Luis Potosí, Mexico (GRID:grid.412862.b) (ISNI:0000 0001 2191 239X) 
48  Universidad Autónoma de San Luis Potosí, Instituto de Física, San Luis Potosí, Mexico (GRID:grid.412862.b) (ISNI:0000 0001 2191 239X); Universidad de Guanajuato, Guanajuato, Mexico (GRID:grid.412891.7) (ISNI:0000 0001 0561 8457) 
49  Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, Bucharest-Magurele, Romania (GRID:grid.443874.8) (ISNI:0000 0000 9463 5349) 
50  Charles University, Prague 1, Czech Republic (GRID:grid.4491.8) (ISNI:0000 0004 1937 116X); Comenius University, Faculty of Mathematics, Physics and Informatics, Bratislava, Slovakia (GRID:grid.7634.6) (ISNI:0000000109409708) 
51  Comenius University, Faculty of Mathematics, Physics and Informatics, Bratislava, Slovakia (GRID:grid.7634.6) (ISNI:0000000109409708) 
52  Comenius University, Faculty of Mathematics, Physics and Informatics, Bratislava, Slovakia (GRID:grid.7634.6) (ISNI:0000000109409708); CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X) 
53  CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X) 
54  CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X); DESY, Zeuthen, Germany (GRID:grid.7683.a) (ISNI:0000 0004 0492 0453) 
55  CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X); Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), München, Germany (GRID:grid.435824.c) (ISNI:0000 0001 2375 0603) 
56  CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X); University of Lancaster, Faculty of Science and Technology, Lancaster, U.K. (GRID:grid.9835.7) (ISNI:0000 0000 8190 6402) 
57  CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X); Brookhaven National Laboratory, Upton, U.S.A. (GRID:grid.202665.5) (ISNI:0000 0001 2188 4229) 
58  CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X); Ecole Polytechnique Fédérale Lausanne, Lausanne, Switzerland (GRID:grid.5333.6) (ISNI:0000 0001 2183 9049) 
59  INFN, Sezione di Pisa, Pisa, Italy (GRID:grid.470216.6); CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X) 
60  University of Birmingham, School of Physics and Astronomy, Birmingham, United Kingdom (GRID:grid.6572.6) (ISNI:0000 0004 1936 7486) 
61  University of Birmingham, School of Physics and Astronomy, Birmingham, United Kingdom (GRID:grid.6572.6) (ISNI:0000 0004 1936 7486); University of Warwick, Department of Physics, Coventry, U.K. (GRID:grid.7372.1) (ISNI:0000 0000 8809 1613) 
62  INFN, Sezione di Perugia, Perugia, Italy (GRID:grid.470215.5); University of Birmingham, School of Physics and Astronomy, Birmingham, United Kingdom (GRID:grid.6572.6) (ISNI:0000 0004 1936 7486) 
63  University of Birmingham, School of Physics and Astronomy, Birmingham, United Kingdom (GRID:grid.6572.6) (ISNI:0000 0004 1936 7486); Columbia University, Center for theoretical neuroscience, New York, U.S.A. (GRID:grid.21729.3f) (ISNI:0000 0004 1936 8729) 
64  Université Catholique de Louvain, Louvain-La-Neuve, Belgium (GRID:grid.7942.8) (ISNI:0000 0001 2294 713X); University of Birmingham, School of Physics and Astronomy, Birmingham, United Kingdom (GRID:grid.6572.6) (ISNI:0000 0004 1936 7486) 
65  University of Birmingham, School of Physics and Astronomy, Birmingham, United Kingdom (GRID:grid.6572.6) (ISNI:0000 0004 1936 7486); Dipartimento di Fisica dell’Università e INFN, Sezione di Genova, Genova, Italy (GRID:grid.470205.4) 
66  University of Birmingham, School of Physics and Astronomy, Birmingham, United Kingdom (GRID:grid.6572.6) (ISNI:0000 0004 1936 7486); CERN, European Organization for Nuclear Research, Geneva 23, Switzerland (GRID:grid.9132.9) (ISNI:0000 0001 2156 142X) 
67  University of Bristol, School of Physics, Bristol, United Kingdom (GRID:grid.5337.2) (ISNI:0000 0004 1936 7603) 
68  University of Glasgow, School of Physics and Astronomy, Glasgow, U.K. (GRID:grid.8756.c) (ISNI:0000 0001 2193 314X) 
69  University of Liverpool, School of Physical Sciences, Liverpool, U.K. (GRID:grid.10025.36) (ISNI:0000 0004 1936 8470); University of Lancaster, Faculty of Science and Technology, Lancaster, U.K. (GRID:grid.9835.7) (ISNI:0000 0000 8190 6402) 
70  University of Lancaster, Faculty of Science and Technology, Lancaster, U.K. (GRID:grid.9835.7) (ISNI:0000 0000 8190 6402) 
71  Dipartimento di Fisica e Astronomia dell’Università e INFN, Sezione di Firenze, Sesto Fiorentino, Italy (GRID:grid.470204.5) (ISNI:0000 0001 2231 4148); University of Lancaster, Faculty of Science and Technology, Lancaster, U.K. (GRID:grid.9835.7) (ISNI:0000 0000 8190 6402) 
72  University of Liverpool, School of Physical Sciences, Liverpool, U.K. (GRID:grid.10025.36) (ISNI:0000 0004 1936 8470) 
73  University of Liverpool, School of Physical Sciences, Liverpool, U.K. (GRID:grid.10025.36) (ISNI:0000 0004 1936 8470); Laboratoire Leprince Ringuet, Palaiseau, France (GRID:grid.463805.c) (ISNI:0000 0000 9156 8355) 
74  George Mason University, Physics and Astronomy Department, Fairfax, U.S.A. (GRID:grid.22448.38) (ISNI:0000 0004 1936 8032) 
75  George Mason University, Physics and Astronomy Department, Fairfax, U.S.A. (GRID:grid.22448.38) (ISNI:0000 0004 1936 8032); Stanford University, SLAC National Accelerator Laboratory, Menlo Park, U.S.A. (GRID:grid.168010.e) (ISNI:0000000419368956) 
76  L.N. Gumilyov Eurasian National University, Nur-Sultan, Kazakhstan (GRID:grid.55380.3b) (ISNI:0000 0004 0398 5415) 
77  University of Sofia, Faculty of Physics, Sofia, Bulgaria (GRID:grid.11355.33) (ISNI:0000 0001 2192 3275) 
78  Institute of Nuclear Research and Nuclear Energy of Bulgarian Academy of Science (INRNE-BAS), Sofia, Bulgaria (GRID:grid.425050.6) (ISNI:0000 0004 0519 4756) 
Pages
40
Publication year
2023
Publication date
Sep 2023
Publisher
Springer Nature B.V.
e-ISSN
10298479
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2862641214
Copyright
© The Author(s) 2023. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.