Sensitivity of the SHiP experiment to Heavy Neutral Leptons

C. Ahdida; R. Albanese; Andrei V Alexandrov; A. Anokhina; S. Aoki; G. Arduini; Erica Atkin; N. Azorskiy; F. Baaltasar Dos Santos; J.J. Bache; A. Bagulya; A. Baranov; F. Bardou; G. J. Barker; M. Battistin; A. Bay; V. Bayliss; G. Bencivenni; Oleg Ruchayskiy; Stefania Xella; SHIP collaboration

doi:10.1007/JHEP04(2019)077

Sensitivity of the SHiP experiment to Heavy Neutral Leptons

C. Ahdida, R. Albanese, Andrei V Alexandrov, A. Anokhina, S. Aoki, G. Arduini, Erica Atkin, N. Azorskiy, F. Baaltasar Dos Santos, J.J. Bache, A. Bagulya, A. Baranov, F. Bardou, G. J. Barker, M. Battistin, A. Bay, V. Bayliss, G. Bencivenni, Oleg Ruchayskiy, Stefania XellaSHIP collaboration

Experimental Particle Physics

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Abstract

Heavy Neutral Leptons (HNLs) are hypothetical particles predicted by many extensions of the Standard Model. These particles can, among other things, explain the origin of neutrino masses, generate the observed matter-antimatter asymmetry in the Universe and provide a dark matter candidate. The SHiP experiment will be able to search for HNLs produced in decays of heavy mesons and travelling distances ranging between O(50 m) and tens of kilometers before decaying. We present the sensitivity of the SHiP experiment to a number of HNL’s benchmark models and provide a way to calculate the SHiP’s sensitivity to HNLs for arbitrary patterns of flavour mixings. The corresponding tools and data files are also made publicly available.[Figure not available: see fulltext.].

Original language	English
Article number	077
Journal	Journal of High Energy Physics
Volume	2019
Issue number	4
Number of pages	20
ISSN	1126-6708
DOIs	https://doi.org/10.1007/JHEP04(2019)077
Publication status	Published - 1 Apr 2019

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Ahdida, C., Albanese, R., Alexandrov, A. V., Anokhina, A., Aoki, S., Arduini, G., Atkin, E., Azorskiy, N., Dos Santos, F. B., Bache, J. J., Bagulya, A., Baranov, A., Bardou, F., Barker, G. J., Battistin, M., Bay, A., Bayliss, V., Bencivenni, G., Ruchayskiy, O., ... SHIP collaboration (2019). Sensitivity of the SHiP experiment to Heavy Neutral Leptons. Journal of High Energy Physics, 2019(4), Article 077. https://doi.org/10.1007/JHEP04(2019)077

Ahdida, C, Albanese, R, Alexandrov, AV, Anokhina, A, Aoki, S, Arduini, G, Atkin, E, Azorskiy, N, Dos Santos, FB, Bache, JJ, Bagulya, A, Baranov, A, Bardou, F, Barker, GJ, Battistin, M, Bay, A, Bayliss, V, Bencivenni, G, Ruchayskiy, O , Xella, S & SHIP collaboration 2019, 'Sensitivity of the SHiP experiment to Heavy Neutral Leptons', Journal of High Energy Physics, vol. 2019, no. 4, 077. https://doi.org/10.1007/JHEP04(2019)077

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abstract = "Heavy Neutral Leptons (HNLs) are hypothetical particles predicted by many extensions of the Standard Model. These particles can, among other things, explain the origin of neutrino masses, generate the observed matter-antimatter asymmetry in the Universe and provide a dark matter candidate. The SHiP experiment will be able to search for HNLs produced in decays of heavy mesons and travelling distances ranging between O(50 m) and tens of kilometers before decaying. We present the sensitivity of the SHiP experiment to a number of HNL{\textquoteright}s benchmark models and provide a way to calculate the SHiP{\textquoteright}s sensitivity to HNLs for arbitrary patterns of flavour mixings. The corresponding tools and data files are also made publicly available.[Figure not available: see fulltext.].",

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AU - Ahdida, C.

AU - Albanese, R.

AU - Alexandrov, Andrei V

AU - Anokhina, A.

AU - Aoki, S.

AU - Arduini, G.

AU - Atkin, Erica

AU - Azorskiy, N.

AU - Dos Santos, F. Baaltasar

AU - Bache, J.J.

AU - Bagulya, A.

AU - Baranov, A.

AU - Bardou, F.

AU - Barker, G. J.

AU - Battistin, M.

AU - Bay, A.

AU - Bayliss, V.

AU - Bencivenni, G.

AU - Ruchayskiy, Oleg

AU - Xella, Stefania

AU - SHIP collaboration

PY - 2019/4/1

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N2 - Heavy Neutral Leptons (HNLs) are hypothetical particles predicted by many extensions of the Standard Model. These particles can, among other things, explain the origin of neutrino masses, generate the observed matter-antimatter asymmetry in the Universe and provide a dark matter candidate. The SHiP experiment will be able to search for HNLs produced in decays of heavy mesons and travelling distances ranging between O(50 m) and tens of kilometers before decaying. We present the sensitivity of the SHiP experiment to a number of HNL’s benchmark models and provide a way to calculate the SHiP’s sensitivity to HNLs for arbitrary patterns of flavour mixings. The corresponding tools and data files are also made publicly available.[Figure not available: see fulltext.].

AB - Heavy Neutral Leptons (HNLs) are hypothetical particles predicted by many extensions of the Standard Model. These particles can, among other things, explain the origin of neutrino masses, generate the observed matter-antimatter asymmetry in the Universe and provide a dark matter candidate. The SHiP experiment will be able to search for HNLs produced in decays of heavy mesons and travelling distances ranging between O(50 m) and tens of kilometers before decaying. We present the sensitivity of the SHiP experiment to a number of HNL’s benchmark models and provide a way to calculate the SHiP’s sensitivity to HNLs for arbitrary patterns of flavour mixings. The corresponding tools and data files are also made publicly available.[Figure not available: see fulltext.].

U2 - 10.1007/JHEP04(2019)077

DO - 10.1007/JHEP04(2019)077

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VL - 2019

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 4

M1 - 077

ER -

Sensitivity of the SHiP experiment to Heavy Neutral Leptons

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