Sensitivity of the SHiP experiment to Heavy Neutral Leptons

The SHiP collaboration

doi:10.1007/JHEP04(2019)077

Sensitivity of the SHiP experiment to Heavy Neutral Leptons

The SHiP collaboration

Department of Physics

Research output: Contribution to journal › Article

11 Citations (Scopus)

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	77
Journal	Journal of High Energy Physics
Volume	2019
Issue number	4
DOIs	https://doi.org/10.1007/JHEP04(2019)077
Publication status	Published - 2019 Apr 1

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Keywords

Beyond Standard Model
Fixed target experiments

ASJC Scopus subject areas

Nuclear and High Energy Physics

Cite this

The SHiP collaboration (2019). Sensitivity of the SHiP experiment to Heavy Neutral Leptons. Journal of High Energy Physics, 2019(4), [77]. 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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author = "{The SHiP collaboration} and C. Ahdida and R. Albanese and A. Alexandrov and A. Anokhina and S. Aoki and G. Arduini and E. Atkin and N. Azorskiy and {Baaltasar Dos Santos}, F. and Back, {J. J.} and A. Bagulya and A. Baranov and F. Bardou and Barker, {G. J.} and M. Battistin and J. Bauche and A. Bay and V. Bayliss and G. Bencivenni and Berdnikov, {Y. A.} and Berdnikov, {A. Y.} and I. Berezkina and M. Bertani and C. Betancourt and I. Bezshyiko and O. Bezshyyko and D. Bick and S. Bieschke and A. Blanco and J. Boehm and M. Bogomilov and K. Bondarenko and Bonivento, {W. M.} and J. Borburgh and A. Boyarsky and R. Brenner and D. Breton and R. Brundler and M. Bruschi and V. B{\"u}scher and A. Buonaura and S. Buontempo and S. Cadeddu and A. Calcaterra and M. Calviani and M. Campanelli and M. Casolino and N. Charitonidis and P. Chau and Park, {Sung Keun}",

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AU - Aoki, S.

AU - Arduini, G.

AU - Atkin, E.

AU - Azorskiy, N.

AU - Baaltasar Dos Santos, F.

AU - Back, J. J.

AU - Bagulya, A.

AU - Baranov, A.

AU - Bardou, F.

AU - Barker, G. J.

AU - Battistin, M.

AU - Bauche, J.

AU - Bay, A.

AU - Bayliss, V.

AU - Bencivenni, G.

AU - Berdnikov, Y. A.

AU - Berdnikov, A. Y.

AU - Berezkina, I.

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AU - Bezshyyko, O.

AU - Bick, D.

AU - Bieschke, S.

AU - Blanco, A.

AU - Boehm, J.

AU - Bogomilov, M.

AU - Bondarenko, K.

AU - Bonivento, W. M.

AU - Borburgh, J.

AU - Boyarsky, A.

AU - Brenner, R.

AU - Breton, D.

AU - Brundler, R.

AU - Bruschi, M.

AU - Büscher, V.

AU - Buonaura, A.

AU - Buontempo, S.

AU - Cadeddu, S.

AU - Calcaterra, A.

AU - Calviani, M.

AU - Campanelli, M.

AU - Casolino, M.

AU - Charitonidis, N.

AU - Chau, P.

AU - Park, Sung Keun

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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.].

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KW - Fixed target experiments

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10.1007/JHEP04(2019)077