Jan Peter Karch

Name Jan Peter Karch
Phone +49-6131-39-23675 (office)
Fax +49-6131-39-23428
Room 02-623
Address Staudingerweg 7
D 55128 Mainz
email

 

Research

 

  • Ultra-cold neutrons (UCN)
  • Depolarization of UCN by magnetic and non-magnetic materials
  • Sputtering

 

Selected contributions

 

“Herstellung und Charakterisierung nicht-depolarisierender UCN Leiter“
DPG Tagung Münster 2011; M. Daum, W. Heil, M. Kaoui, J. P. Karch, H.-C. Koch, A. Kraft, T. Lauer, Y. Sobolev

 

"Performance of the solid deuterium ultra-cold neutron source at the pulsed reactor TRIGA Mainz", J. Karch, Yu. Sobolev, M. Beck, K. Eberhardt, G. Hampel, W. Heil, R. Kieser, T. Reich, N. Trautmann and M. Ziegner; European Physics Journal A (2014) 50:78 

 

"Losses and depolarization of ultracold neutrons on neutron guide and storage materials"S.C. Bondar, M. Daum, B. Franke, P. Geltenbort, L. Goeltl, E. Gutsmiedl, J. Karch, G. Kessler, K. Kirch, H.C. Koch, A. Kraft, T. Lauer, B. Lauss, S. Paul, E. Pierre, G. Pignol, D. Reggiani, P. Schmidt-Wellenburg, Yu. Sobolev, T. Zechlau and G. Zsigmond; Accepted for publication as a Regular Article in Physical Review C (July 2017) 

 

"Upgrade of the ultracold neutron source at the pulsed reactor TRIGA Mainz"J. Kahlenberg, D. Ries, K.U. Ross, C. Siemensen, M. Beck, C. Geppert, W. Heil, N. Hild, J. Karch, S. Karpuk, F. Kories, M. Kretschmer, B. Lauss, T. Reich, Yu. Sobolev and N. Trautmann; arXiv:1706.07795 (2017) 

 

"Comparison of ultracold neutron sources for fundamental physics measurements", G. Bison, M. Daum, K. Kirch, B. Lauss, D. Ries, P. Schmidt-Wellenburg, G. Zsigmond, T. Brenner, P. Geltenbort, T. Jenke, O. Zimmer, M. Beck, W. Heil, J. Kahlenberg, J. Karch, K. Ross, K. Eberhardt, C. Geppert, S. Karpuk, T. Reich, C. Siemensen, Y. Sobolev, and N. Trautmann; Physical Review C (2017) 95, 045503 

 

"Transmission of ultra-cold neutrons through guides coated with materials of high optical potential", M. Daum, B. Franke, P. Geltenbort, E. Gutsmiedl, S. Ivanov, J. Karch, M. Kasprzak, K. Kirch, A. Kraft, T. Lauer, B. Lauss, A. R. Mu ̈ller, S. Paul, P. Schmidt-Wellenburg, T. Zechlau and G. Zsigmond; Nuclear Instruments and Methods in Physics A (2014) 741, 71:77 

 

"First observation of trapped high-field seeking ultracold neutron spin states"M. Daum, P. Fierlinger, B. Franke, P. Geltenbort, L. Goeltl, E. Gutsmiedl, J. Karch, G. Kessler, K. Kirch, A. Kraft, T. Lauer, B. Lauss, E. Pierre, G. Pignol, D. Reggiani, P. Schmidt-Wellenburg, Yu. Sobolev, T. Zechlau and G. Zsigmond; Physics Letters (2011) 704, 456:460