Zum Inhalt springen

Personal Data

Dr. Hardy Simgen
addressMax-Planck-Institut für Kernphysik (MPIK)
Max Planck Institute for Nuclear Physics
Saupfercheckweg 1
69117 Heidelberg
Germany
emailhardy.simgen@mpi-hd.mpg.de
phone+ 49 (0)6221 516-530
Executive Assistant: Anja Berneiser, -801
researchdark matter, neutrino physics, low-background studies, radon counting

Main Responsibilities

XENONnT Experiment

 
  • Cleanliness working group leader
 

XLZD Experiment

 
  • L2 convener "Screening and Cleanliness"
 

LEGEND-1000 Experiment

 
  • L3 co-manager "Material Screening"
 

Max Planck Institute for Nuclear Physics

 

 
  • Group Leader
  • Head of the Heidelberg Radiation Detection (HRD) laboratories
 

Academic History

From 2009 Permanent scientific staff at the “Max-Planck-Institut für Kernphysik”, Heidelberg 
2007-2009 Postdoctoral researcher at Max-Planck-Institut für Kernphysik in the division of Particle and Astroparticle Physics of Prof. Dr. Dr. h.c. Manfred Lindner 
2004 Research fellowship of the Japanese Scociety for the Promotion of Science (JSPS) at the Kamioka observatory of ICRR (3 months) -University of Tokyo, Japan
Contributions to background control in the XMASS dark matter experiment
 
2003-2007 Postdoctoral researcher at Max-Planck-Institut für Kernphysik in the independent junior research group
of Dr. Stefan Schönert
 
2003 PhD thesis at Max-Planck-Institut für Kernphysik (Heidelberg University):
Title: "‘Highly sensitive detection of radioactive noble gas nuclides and of natural radionuclides from the uranium decay chain"’
 
2000-2003 PhD student in physics at Heidelberg University 
2000 Diploma thesis at Max-Planck-Institut für Kernphysik (Heidelberg University):
"‘Measurement of 222Rn and 226Ra in water in the scope of the solar neutrino experiment BOREXINO"’
 
1995-2000 Study of physics at Heidelberg University 
1993-1995 Study of physics at Kaiserslautern University 

Former work at completed experiments

XENON1TLeader of the task group ’Gas Purity and Analytics’
XENON100Member of the XENON100 experiment for the direct search of dark matter
GERDALeader of the task group ’Material screening’
BOREXINO Contributions to radioactive background control with particular focus on 222Rn, 226Ra and 85Kr
 
 

Publications

 

Selection

 

 

  •  
Radon Removal in XENONnT down to the Solar Neutrino Level
XENON Collaboration
Phys.Rev.X 15 (2025) 3, 031079
 

 

  •  
Improved and automated krypton assay for low-background xenon detectors with Auto-RGMS
Matteo Guida, Ying-Ting Lin, Hardy Simgen
Eur.Phys.J.C 85 (2025) 5, 576
 

 

  •  
Search for New Physics in Electronic Recoil Data from XENONnT
XENON Collaboration
Phys.Rev.Lett. 129 (2022) 16, 161805
 

 

  •  
Material radiopurity control in the XENONnT experiment
XENON Collaboration
Eur.Phys.J.C 82 (2022) 7, 599
 

 

  •  
Radon daughter removal from PTFE surfaces and its application in liquid xenon detectors
S. Bruenner, D. Cichon , G. Eurin , P. Herrero Gómez, F. Jörg, T. Marrodán Undagoitia, H. Simgen, N. Rupp
Eur.Phys.J.C 81 (2021) 4, 343
 

 

  •  
222Rn emanation measurements for the XENON1T experiment
XENON Collaboration
Eur.Phys.J.C 81 (2021) 4, 337
 
 
  •  
Excess electronic recoil events in XENON1T
XENON Collaboration
Phys.Rev.D 102 (2020) 7, 072004
 
 
  •  
Observation of two-neutrino double electron capture in 124Xe with XENON1T
XENON Collaboration
Nature 568 (2019) 7753, 532-535
 
 
  •  
Intrinsic backgrounds from Rn and Kr in the XENON100 experiment
XENON Collaboration
Eur.Phys.J.C 78 (2018) 2, 132
 
 
  •  
Online 222Rn removal by cryogenic distillation in the XENON100 experiment
XENON100 Collaboration
Eur.Phys.J.C 77 (2017) 6, 358
 
    

 

Full list of publications in iNSPIRE & ORCiD
Publications from the Astroparticle Physics Division