A novel detector system for KATRIN to search for keV-scale sterile neutrinos

Susanne Mertens; Antonio Alborini; Konrad Altenmüller; Tobias Bode; Luca Bombelli; Tim Brunst; Marco Carminati; David Fink; Carlo Fiorini; Thibaut Houdy; Anton Huber; Marc Korzeczek; Thierry Lasserre; Peter Lechner; Michele Manotti; Ivan Peric; David C. Radford; Daniel Siegmann; Martin Slezák; Kathrin Valerius; Joachim Wolf; Sascha Wüstling

doi:10.1088/1361-6471/ab12fe

A novel detector system for KATRIN to search for keV-scale sterile neutrinos

Susanne Mertens, Antonio Alborini, Konrad Altenmüller, Tobias Bode, Luca Bombelli, Tim Brunst, Marco Carminati, David Fink, Carlo Fiorini, Thibaut Houdy, Anton Huber, Marc Korzeczek, Thierry Lasserre, Peter Lechner, Michele Manotti, Ivan Peric, David C. Radford, Daniel Siegmann, Martin Slezák, Kathrin ValeriusJoachim Wolf, Sascha Wüstling

Physics Division

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66 Scopus citations

Abstract

Sterile neutrinos appear in minimal extensions of the Standard Model of particle physics. If their mass is in the keV regime, they are viable dark matter candidates. One way to search for sterile neutrinos in a laboratory-based experiment is via the analysis of β-decay spectra, where the new neutrino mass eigenstate would manifest itself as a kink-like distortion of the β-decay spectrum. The objective of the TRISTAN project is to extend the KATRIN setup with a new multi-pixel silicon drift detector system to search for a keV-scale sterile neutrino signal. In this paper we describe the requirements of such a new detector, and present first characterization measurement results obtained with a 7 pixel prototype system.

Original language	English
Article number	065203
Journal	Journal of Physics G: Nuclear and Particle Physics
Volume	46
Issue number	6
DOIs	https://doi.org/10.1088/1361-6471/ab12fe
State	Published - 2019

Funding

We thank the Halbleiterlabor of the Max Planck Society, XGLab, and O. Limuousin from CEA for the fruitful cooperation. We gratefully acknowledge the support of the Max Planck Research Group (MPRG) program and especially the MaxPlanck@TUM initiative. Marc Korzeczek acknowledges the support of the DFG-funded Doctoral School Karlsruhe School of Elementary and Astroparticle Physics: Science and Technology.

Keywords

neutrino mass
silicon drift detector
sterile neutrino
tritium beta decay

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10.1088/1361-6471/ab12fe

Cite this

Mertens, S., Alborini, A., Altenmüller, K., Bode, T., Bombelli, L., Brunst, T., Carminati, M., Fink, D., Fiorini, C., Houdy, T., Huber, A., Korzeczek, M., Lasserre, T., Lechner, P., Manotti, M., Peric, I., Radford, D. C., Siegmann, D., Slezák, M., ... Wüstling, S. (2019). A novel detector system for KATRIN to search for keV-scale sterile neutrinos. Journal of Physics G: Nuclear and Particle Physics, 46(6), Article 065203. https://doi.org/10.1088/1361-6471/ab12fe

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abstract = "Sterile neutrinos appear in minimal extensions of the Standard Model of particle physics. If their mass is in the keV regime, they are viable dark matter candidates. One way to search for sterile neutrinos in a laboratory-based experiment is via the analysis of β-decay spectra, where the new neutrino mass eigenstate would manifest itself as a kink-like distortion of the β-decay spectrum. The objective of the TRISTAN project is to extend the KATRIN setup with a new multi-pixel silicon drift detector system to search for a keV-scale sterile neutrino signal. In this paper we describe the requirements of such a new detector, and present first characterization measurement results obtained with a 7 pixel prototype system.",

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doi = "10.1088/1361-6471/ab12fe",

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Mertens, S, Alborini, A, Altenmüller, K, Bode, T, Bombelli, L, Brunst, T, Carminati, M, Fink, D, Fiorini, C, Houdy, T, Huber, A, Korzeczek, M, Lasserre, T, Lechner, P, Manotti, M, Peric, I, Radford, DC, Siegmann, D, Slezák, M, Valerius, K, Wolf, J & Wüstling, S 2019, 'A novel detector system for KATRIN to search for keV-scale sterile neutrinos', Journal of Physics G: Nuclear and Particle Physics, vol. 46, no. 6, 065203. https://doi.org/10.1088/1361-6471/ab12fe

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T1 - A novel detector system for KATRIN to search for keV-scale sterile neutrinos

AU - Mertens, Susanne

AU - Alborini, Antonio

AU - Altenmüller, Konrad

AU - Bode, Tobias

AU - Bombelli, Luca

AU - Brunst, Tim

AU - Carminati, Marco

AU - Fink, David

AU - Fiorini, Carlo

AU - Houdy, Thibaut

AU - Huber, Anton

AU - Korzeczek, Marc

AU - Lasserre, Thierry

AU - Lechner, Peter

AU - Manotti, Michele

AU - Peric, Ivan

AU - Radford, David C.

AU - Siegmann, Daniel

AU - Slezák, Martin

AU - Valerius, Kathrin

AU - Wolf, Joachim

AU - Wüstling, Sascha

PY - 2019

Y1 - 2019

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AB - Sterile neutrinos appear in minimal extensions of the Standard Model of particle physics. If their mass is in the keV regime, they are viable dark matter candidates. One way to search for sterile neutrinos in a laboratory-based experiment is via the analysis of β-decay spectra, where the new neutrino mass eigenstate would manifest itself as a kink-like distortion of the β-decay spectrum. The objective of the TRISTAN project is to extend the KATRIN setup with a new multi-pixel silicon drift detector system to search for a keV-scale sterile neutrino signal. In this paper we describe the requirements of such a new detector, and present first characterization measurement results obtained with a 7 pixel prototype system.

KW - neutrino mass

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KW - sterile neutrino

KW - tritium beta decay

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ER -

A novel detector system for KATRIN to search for keV-scale sterile neutrinos

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