Ahdida, C;
Akmete, A;
Albanese, R;
Alexandrov, A;
Anokhina, A;
Aoki, S;
Arduini, G;
... Zimmerman, J; + view all
(2021)
Sensitivity of the SHiP experiment to light dark matter.
Journal of High Energy Physics
(4)
, Article 199. 10.1007/JHEP04(2021)199.
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Abstract
Dark matter is a well-established theoretical addition to the Standard Model supported by many observations in modern astrophysics and cosmology. In this context, the existence of weakly interacting massive particles represents an appealing solution to the observed thermal relic in the Universe. Indeed, a large experimental campaign is ongoing for the detection of such particles in the sub-GeV mass range. Adopting the benchmark scenario for light dark matter particles produced in the decay of a dark photon, with αD = 0.1 and mA′ = 3mχ, we study the potential of the SHiP experiment to detect such elusive particles through its Scattering and Neutrino detector (SND). In its 5-years run, corresponding to 2 · 1020 protons on target from the CERN SPS, we find that SHiP will improve the current limits in the mass range for the dark matter from about 1 MeV to 300 MeV. In particular, we show that SHiP will probe the thermal target for Majorana candidates in most of this mass window and even reach the Pseudo-Dirac thermal relic.
| Type: | Article |
|---|---|
| Title: | Sensitivity of the SHiP experiment to light dark matter |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1007/JHEP04(2021)199 |
| Publisher version: | http://dx.doi.org/10.1007/JHEP04(2021)199 |
| Language: | English |
| Additional information: | Open Access . This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. |
| Keywords: | Beyond Standard Model, Dark matter, Fixed target experiments |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10129016 |
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