| Issue |
EPJ Web Conf.
Volume 279, 2023
Nuclear Physics in Astrophysics – X (NPA-X 2022)
|
|
|---|---|---|
| Article Number | 13007 | |
| Number of page(s) | 7 | |
| Section | Methods / Facilities | |
| DOI | https://doi.org/10.1051/epjconf/202327913007 | |
| Published online | 22 March 2023 | |
https://doi.org/10.1051/epjconf/202327913007
X17 search project with EAR2 neutron beam
1 Dipartimento di Fisica and INFN Torino (TO), Italy
2 INFN Roma1 (Roma), Italy
3 ISS, Istituto Superiore di Sanità and INFN Roma1 (Roma), Italy
4 INFN Bari (BA), Italy
5 INFN-LNGS Assergi (AQ), Italy
6 INFN Roma1 and ENEA Frascati (Roma), Italy
7 Dipartimento di Fisica e Astronomia and INFN Bologna (BO), Italy
8 INFN-LNL Legnaro (PD), Italy
9 CNR and INFN Bari (BA), Italy
10 IFIN-HH, Magurele, Romania
11 Dipartimento di Fisica and INFN Pisa (PI), Italy
* e-mail: gianpiero.gervino@to.infn.it
Published online: 22 March 2023
We present the state of the art of the n_TOF Collaboration Working Group activity dedicated to study how to solve the puzzle about the existence of the so called new particle X17, spotted for the first time few years ago by a team at ATOMKI in Hungary and since then never confirmed by other independent experimental collaborations but also never refuted. An “ad hoc” detection setup is under realization for this goal, in order to reach an angular resolution of the two emerging trajectories from the X17 decay and an energy resolution for the invariant mass reconstruction enough to cast light in a definitive way about this puzzle. To design the present detection setup we work in close contact with the Pisa Nuclear Theory team, that has deeply studied the implication of X17 existence and extracted by the ATOMKI results its eventual nature, kinematics and general properties.
© The Authors, published by EDP Sciences, 2023
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