Karlsruhe School of Elementary Particle and Astroparticle Physics: Science and Technology (KSETA)
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Karlsruhe School of Elementary Particle and Astroparticle Physics: Science and Technology (KSETA)
Karlsruhe School of Elementary Particle and Astroparticle Physics: Science and Technology (KSETA)

Martin Descher

Information

Institute: ETP
Room: B. 402 R. 216 - Campus North
Phone: +49 721 608 26939
Email: Martin.Descher#kit.edu


PhD Thesis

Differential spectrum modeling and sensitivity for keV sterile neutrino search at KATRIN

Date of defense: 07. July 2023
Supervisor: Prof. Dr. G. Drexlin (ETP, KIT)
Second Supervisor: Prof. Dr. S. Mertens (TUM)


Publications


Reviewed
[1] M. Aker et al. "KATRIN: status and prospects for the neutrino mass and beyond". J. Phys. G: Nucl. Part. Phys., 49.10 (2022), p. 100501. [ DOI ]
[2] M. Aker et al. "Improved eV-scale sterile-neutrino constraints from the second KATRIN measurement campaign". Phys. Rev. D, 105.7 (2022), p. 072004. [ DOI ]
[3] M. Aker et al. "Direct neutrino-mass measurement with sub-electronvolt sensitivity". Nature Phys., 18.2 (2022), pp. 160–166. [ DOI ]
[4] M. Aker et al. "The design, construction, and commissioning of the KATRIN experiment". JINST, 16.08 (2021), T08015. [ DOI ]
[5] M. Aker et al. "Analysis methods for the first KATRIN neutrino-mass measurement". Phys. Rev. D, 104.1 (2021), p. 012005. [ DOI ]
[6] M. Aker et al. "Bound on 3 + 1 Active-Sterile Neutrino Mixing from the First Four-Week Science Run of KATRIN". Phys. Rev. Lett., 126.9 (2021), p. 091803. [ DOI ]
[7] M. Aker et al. "Improved Upper Limit on the Neutrino Mass from a Direct Kinematic Method by KATRIN". Phys. Rev. Lett., 123.22 (2019), p. 221802. [ DOI ]

Unreviewed
[1] M. Aker et al. "Search for keV-scale Sterile Neutrinos with first KATRIN Data". arXiv, 2207.06337 (2020), preprint. [ DOI ]
[2] TRISTAN Group "Conceptual Design Report: KATRIN with TRISTAN modules". Online (2021). [ PDF ]
[3] T. Houdy et al. "Hunting keV sterile neutrinos with KATRIN: building the first TRISTAN module". J. Phys. Conf. Ser., 1468.1 (2020), p. 012177. [ DOI ]

Theses

  • Master thesis: "High rate systematic effects for keV sterile neutrino searches at KATRIN" (PDF)
  • Bachelor thesis: "Verbesserung der Benutzerschnittstelle des Millepede II Alignment-Algorithmus für den CMS-Spurdetektor" (link)

Teaching

  • Supervision of advanced lab exercises (Fortgeschrittenenpraktikum P3/P4)
    • WiSe 19/20: “Mößbauereffekt” and “Comptoneffekt”
    • WiSe 20/21: “Driftgeschwindigkeit” and “Betaspektroskopie”
  • Lecture exercise instruction
    • SoSe 20: „Übungen zu: Astroteilchenphysik 2 – Teilchen und Sterne“
    • SoSe 21: „Übungen zu: Astroteilchenphysik 2 – Teilchen und Sterne“
    • SoSe 22: „Übungen zu: Astroteilchenphysik 2 – Teilchen und Sterne“
    • WiSe 21/22: „Übungen zu: Einführung in die Kosmologie“

Work reports

KSETA Annual report 2020 (PDF)
KSETA Annual report 2021 (PDF)
KSETA Annual report 2022 (PDF)