38 citations · 211 across the 17 of their papers we have counts for
17 papers
On the Electric Breakdown in Liquid Argon at Centimeter Scale
M. Auger, A. Blatter, A. Ereditato +7
We present a study on the dependence of electric breakdown discharge properties on electrode geometry and the breakdown field in liquid argon near its boiling point. The measuremen…
Performance of cryogenic charge readout electronics with the ARGONTUBE LAr TPC
A. Ereditato, D. Goeldi, S. Janos +7
ARGONTUBE is a liquid argon time projection chamber (TPC) with an electron drift length of up to 5 m equipped with cryogenic charge-sensitive preamplifiers. In this work, we presen…
Measurement of the drift field in the ARGONTUBE LAr TPC with 266~nm pulsed laser beams
A. Ereditato, D. Goeldi, S. Janos +7
ARGONTUBE is a liquid argon time projection chamber (LAr TPC) with a drift field generated in-situ by a Greinacher voltage multiplier circuit. We present results on the measurement…
A method to suppress dielectric breakdowns in liquid argon ionization detectors for cathode to ground distances of several millimeters
M. Auger, A. Ereditato, D. Goeldi +7
We present a method to reach electric field intensity as high as 400 kV/cm in liquid argon for cathode-ground distances of several millimeters. This can be achieved by suppressing…
Experimental study of electric breakdowns in liquid argon at centimeter scale
A. Blatter, A. Ereditato, C. -C. Hsu +8
In this paper we present results on measurements of the dielectric strength of liquid argon near its boiling point and cathode-anode distances in the range of 0.1 mm to 40 mm with…
Development of a camera casing suited for cryogenic and vacuum applications
S. C. Delaquis, R. Gornea, S. Janos +4
We report on the design, construction, and operation of a PID temperature controlled and vacuum tight camera casing. The camera casing contains a commercial digital camera and a li…
Design and operation of ARGONTUBE: a 5 m long drift liquid argon TPC
A. Ereditato, C. C. Hsu, S. Janos +7
The Liquid Argon Time Projection Chamber (LArTPC) is a prime type of detector for future large-mass neutrino observatories and proton decay searches. In this paper we present the d…
Pulse-shape discrimination of scintillation from alpha and beta particles with liquid scintillator and Geiger-mode multipixel avalanche diodes
I. Kreslo, I. Badhrees, S. Delaquis +6
A successfull application of Geiger-mode multipixel avalanche diodes (GMAPDs) for pulse-shape discrimination in alpha-beta spectrometry using organic liquid scintillator is describ…
30 kV coaxial vacuum-tight feedthrough for operation at cryogenic temperatures
I. Kreslo, I. Badhrees, S. Delaquis +6
In this paper we describe the technology of building a vacuum-tight high voltage feedthrough which is able to operate at voltages up to 30 kV. The feedthrough has a coaxial structu…
Ionization signals from electrons and alpha-particles in mixtures of liquid Argon and Nitrogen - perspectives on protons for Gamma Resonant Nuclear Absorption applications
M. Zeller, I. Badhrees, S. Delaquis +6
In this paper we report on a detailed study of ionization signals produced by Compton electrons and alpha-particles in a Time Projection Chamber (TPC) flled with different mixtures…
A prototype liquid Argon Time Projection Chamber for the study of UV laser multi-photonic ionization
B. Rossi, I. Badhress, A. Ereditato +15
This paper describes the design, realization and operation of a prototype liquid Argon Time Projection Chamber (LAr TPC) detector dedicated to the development of a novel online mon…
Study of ionization signals in a TPC filled with a mixture of liquid Argon and Nitrogen
A. Ereditato, M. Hess, S. Janos +7
In this paper we report on the evidence for ionization track signals from cosmic ray muons and Compton electrons in a Time Projection Chamber (TPC) filled with liquid Argon and dop…
First results with the ORPHEUS dark matter detector
K. Borer, G. Czapek, F. Hasenbalg +8
The ORPHEUS dark matter detector is operating at our underground laboratory in Bern (70 m.w.e.). The detector relies on measuring the magnetic flux variation produced by weakly int…
Detection of nuclear recoils in prototype dark matter detectors, made from Al, Sn and Zn Superheated Superconducting Granules
M. Abplanalp, C. Berger, G. Czapek +12
This work is part of an ongoing project to develop a Superheated Superconducting Granule (SSG) detector for cold dark matter and neutrinos. The response of SSG devices to nuclear r…
Nuclear recoil measurements in Superheated Superconducting Granule detectors
K. Schmiemann
The response of Superheated Superconducting Granule (SSG) devices to nuclear recoils has been explored by irradiating SSG detectors with a 70MeV neutron beam. In the past we ha…
Phase Transition Study of Superconducting Microstructures
C. Berger
The presented results are part of a feasibility study of superheated superconducting microstructure detectors. The microstructures (dots) were fabricated using thin film patterning…
Feasibility study of a Superheated Superconducting Granule detector for cold dark matter search
A. Gabutti
The presented results are part of a feasibility study of a Super- heated Superconducting Granule (SSG) device for weakly interacting massive particles (WIMPs) detection. The sensit…