Publications (19)
An angular-selective electron source for the KATRIN experiment
M. Beck, K. Bokeloh, H. Hein +10
The KATRIN experiment is going to search for the average mass of the electron antineutrino with a sensitivity of 0.2 eV/c2. It uses a retardation spectrometer of MAC-E filter type…
Climate simulations for 1880-2003 with GISS modelE
J. Hansen, M. Sato, R. Ruedy +44
We carry out climate simulations for 1880-2003 with GISS modelE driven by ten measured or estimated climate forcings. An ensemble of climate model runs is carried out for each forc…
On the carrier transport and radiative recombination mechanisms in tunneling injection quantum dot lasers
V. Mikhelashvili, S. Bauer, I. Khanonkin +5
We report temperature-dependent current-voltage (I - V - T) and output light power-voltage or current (P - V - T) or (P - I - T) characteristics of 1550 nm tunneling injection quan…
A novel ppm-precise absolute calibration method for precision high-voltage dividers
O. Rest, D. Winzen, S. Bauer +5
The most common method to measure direct current high voltage (HV) down to the ppm-level is to use resistive high-voltage dividers. Such devices scale the HV into a range where it…
Next generation KATRIN high precision voltage divider for voltages up to 65kV
S. Bauer, R. Berendes, F. Hochschulz +5
The KATRIN (KArlsruhe TRItium Neutrino) experiment aims to determine the mass of the electron antineutrino with a sensitivity of 200meV by precisely measuring the electron spectrum…
Spin polynomial invariants for Dolgachev surfaces
S. Bauer, V. Pidstrigatch
We consider the spin polynomial invariants for bundles with c_2=2 and c_1 = K_S + 2nk a rational mutiple of the canonical divisor on a Dolgacev surface. It is shown that the chambe…
Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment
KATRIN Collaboration, M. Arenz, W. -J. Baek +127
The KATRIN experiment aims to determine the effective electron neutrino mass with a sensitivity of (90\% C.L.) by precision measurement of the shape of the t…
Commissioning of the vacuum system of the KATRIN Main Spectrometer
M. Arenz, M. Babutzka, M. Bahr +147
The KATRIN experiment will probe the neutrino mass by measuring the beta-electron energy spectrum near the endpoint of tritium beta-decay. An integral energy analysis will be perfo…
The Design, Construction, and Commissioning of the KATRIN Experiment
M. Aker, K. Altenmüller, J. F. Amsbaugh +226
The KArlsruhe TRItium Neutrino (KATRIN) experiment, which aims to make a direct and model-independent determination of the absolute neutrino mass scale, is a complex experiment wit…
Photon Drag Effect in (BiSb)Te Three Dimensional Topological Insulators
H. Plank, L. E. Golub, S. Bauer +10
We report on the observation of a terahertz radiation induced photon drag effect in epitaxially grown - and -type (BiSb)Te three dimensional topolog…
Debye relaxation and 250 K anomaly in glass forming monohydroxy alcohols
S. Bauer, K. Burlafinger, C. Gainaru +4
A previous dielectric, near-infrared (NIR), and nuclear magnetic resonance study on the hydrogen-bonded liquid 2-ethyl-1-hexanol [C. Gainaru et al., Phys. Rev. Lett. 107, 118304 (2…
4MOST: Project overview and information for the First Call for Proposals
R. S. de Jong, O. Agertz, A. Agudo Berbel +335
We introduce the 4-metre Multi-Object Spectroscopic Telescope (4MOST), a new high-multiplex, wide-field spectroscopic survey facility under development for the four-metre-class Vis…
The quest for companions to post-common envelope binaries: I. Searching a sample of stars from the CSS and SDSS
U. Backhaus, S. Bauer, K. Beuermann +39
As part of an ongoing collaboration between student groups at high schools and professional astronomers, we have searched for the presence of circum-binary planets in a bona-fide u…
Technical design and commissioning of the KATRIN large-volume air coil system
M. Erhard, J. Behrens, S. Bauer +15
The KATRIN experiment is a next-generation direct neutrino mass experiment with a sensitivity of 0.2 eV (90% C.L.) to the effective mass of the electron neutrino. It measures the t…
Ellipsometry with polarisation analysis at cryogenic temperatures inside a vacuum chamber
S. Bauer, B. Grees, D. Spitzer +9
In this paper we describe a new variant of null ellipsometry to determine thicknesses and optical properties of thin films on a substrate at cryogenic temperatures. In the PCSA arr…
An improved upper limit on the neutrino mass from a direct kinematic method by KATRIN
M. Aker, K. Altenmüller, M. Arenz +205
We report on the neutrino mass measurement result from the first four-week science run of the Karlsruhe Tritium Neutrino experiment KATRIN in spring 2019. Beta-decay electrons from…
Dangerous human-made interference with climate: A GISS modelE study
J. Hansen, M. Sato, R. Ruedy +44
We investigate the issue of "dangerous human-made interference with climate" using simulations with GISS modelE driven by measured or estimated forcings for 1880-2003 and extended…
Probing unexplored territories with MUSE: a second generation instrument for the VLT
R. Bacon, S. Bauer, P. Boehm +57
The Multi Unit Spectroscopic Explorer (MUSE) is a second-generation VLT panoramic integral-field spectrograph under preliminary design study. MUSE has a field of 1x1 arcmin**2 samp…
Ultra-stable implanted 83Rb/83mKr electron sources for the energy scale monitoring in the KATRIN experiment
M. ZboÅil, S. Bauer, M. Beck +13
The KATRIN experiment aims at the direct model-independent determination of the average electron neutrino mass via the measurement of the endpoint region of the tritium beta decay…