Publications (25)
Search for Event Rate Modulation in XENON100 Electronic Recoil Data
The XENON Collaboration, E. Aprile, J. Aalbers +99
We have searched for periodic variations of the electronic recoil event rate in the (2-6) keV energy range recorded between February 2011 and March 2012 with the XENON100 detector,…
First Dark Matter Search Results from the XENON1T Experiment
E. Aprile, J. Aalbers, F. Agostini +122
We report the first dark matter search results from XENON1T, a 2000-kg-target-mass dual-phase (liquid-gas) xenon time projection chamber in operation at the Laboratori Nazion…
Physics reach of the XENON1T dark matter experiment
The XENON collaboration, E. Aprile, J. Aalbers +113
The XENON1T experiment is currently in the commissioning phase at the Laboratori Nazionali del Gran Sasso, Italy. In this article we study the experiment's expected sensitivity to…
Qualification Tests of the R11410-21 Photomultiplier Tubes for the XENON1T Detector
P. Barrow, L. Baudis, D. Cichon +10
The Hamamatsu R11410-21 photomultiplier tube is the photodetector of choice for the XENON1T dual-phase time projection chamber. The device has been optimized for a very low intrins…
Search for WIMP Inelastic Scattering off Xenon Nuclei with XENON100
E. Aprile, J. Aalbers, F. Agostini +113
We present the first constraints on the spin-dependent, inelastic scattering cross section of Weakly Interacting Massive Particles (WIMPs) on nucleons from XENON100 data with an ex…
Conceptual design and simulation of a water Cherenkov muon veto for the XENON1T experiment
E. Aprile, F. Agostini, M. Alfonsi +88
XENON is a dark matter direct detection project, consisting of a time projection chamber (TPC) filled with liquid xenon as detection medium. The construction of the next generation…
DARWIN: towards the ultimate dark matter detector
J. Aalbers, F. Agostini, M. Alfonsi +116
DARk matter WImp search with liquid xenoN (DARWIN) will be an experiment for the direct detection of dark matter using a multi-ton liquid xenon time projection chamber at its core.…
Online Rn removal by cryogenic distillation in the XENON100 experiment
XENON Collaboration, E. Aprile, J. Aalbers +119
We describe the purification of xenon from traces of the radioactive noble gas radon using a cryogenic distillation column. The distillation column is integrated into the gas purif…
Results from a Calibration of XENON100 Using a Source of Dissolved Radon-220
The XENON Collaboration, E. Aprile, J. Aalbers +118
A Rn-220 source is deployed on the XENON100 dark matter detector in order to address the challenges in calibration of tonne-scale liquid noble element detectors. We show that the P…
A Precision Experiment to Investigate Long-Lived Radioactive Decays
J. R. Angevaare, P. Barrow, L. Baudis +18
Radioactivity is understood to be described by a Poisson process, yet some measurements of nuclear decays appear to exhibit unexpected variations. Generally, the isotopes reporting…
Intrinsic backgrounds from Rn and Kr in the XENON100 experiment
XENON Collaboration, E. Aprile, J. Aalbers +115
In this paper, we describe the XENON100 data analyses used to assess the target-intrinsic background sources radon (Rn), thoron (Rn) and krypton (Kr). We det…
Removing krypton from xenon by cryogenic distillation to the ppq level
XENON Collaboration, E. Aprile, J. Aalbers +119
The XENON1T experiment aims for the direct detection of dark matter in a cryostat filled with 3.3 tons of liquid xenon. In order to achieve the desired sensitivity, the background…
Search for Electronic Recoil Event Rate Modulation with 4 Years of XENON100 Data
The XENON collaboration, E. Aprile, J. Aalbers +111
We report on a search for electronic recoil event rate modulation signatures in the XENON100 data accumulated over a period of 4 years, from January 2010 to January 2014. A profile…
Material radioassay and selection for the XENON1T dark matter experiment
XENON Collaboration, E. Aprile, J. Aalbers +118
The XENON1T dark matter experiment aims to detect Weakly Interacting Massive Particles (WIMPs) through low-energy interactions with xenon atoms. To detect such a rare event necessi…
A low-mass dark matter search using ionization signals in XENON100
XENON100 Collaboration, E. Aprile, J. Aalbers +108
We perform a low-mass dark matter search using an exposure of 30\,kgyr with the XENON100 detector. By dropping the requirement of a scintillation signal and using only the…
Lowering the radioactivity of the photomultiplier tubes for the XENON1T dark matter experiment
E. Aprile, F. Agostini, M. Alfonsi +95
The low-background, VUV-sensitive 3-inch diameter photomultiplier tube R11410 has been developed by Hamamatsu for dark matter direct detection experiments using liquid xenon as the…
First Axion Results from the XENON100 Experiment
The XENON100 Collaboration, E. Aprile, F. Agostini +87
We present the first results of searches for axions and axion-like-particles with the XENON100 experiment. The axion-electron coupling constant, , has been probed by exploi…
XENON100 Dark Matter Results from a Combination of 477 Live Days
XENON100 Collaboration, E. Aprile, J. Aalbers +114
We report on WIMP search results of the XENON100 experiment, combining three runs summing up to 477 live days from January 2010 to January 2014. Data from the first two runs were a…
Search for Two-Neutrino Double Electron Capture of Xe with XENON100
The XENON Collaboration, E. Aprile, J. Aalbers +114
Two-neutrino double electron capture is a rare nuclear decay where two electrons are simultaneously captured from the atomic shell. For Xe this process has not yet been obs…
Signal Yields of keV Electronic Recoils and Their Discrimination from Nuclear Recoils in Liquid Xenon
E. Aprile, J. Aalbers, F. Agostini +116
We report on the response of liquid xenon to low energy electronic recoils below 15 keV from beta decays of tritium at drift fields of 92 V/cm, 154 V/cm and 366 V/cm using the XENO…
The XENON1T Dark Matter Experiment
XENON Collaboration, E. Aprile, J. Aalbers +142
The XENON1T experiment at the Laboratori Nazionali del Gran Sasso (LNGS) is the first WIMP dark matter detector operating with a liquid xenon target mass above the ton-scale. Out o…
Exclusion of Leptophilic Dark Matter Models using XENON100 Electronic Recoil Data
The XENON Collaboration, E. Aprile, F. Agostini +98
Laboratory experiments searching for galactic dark matter particles scattering off nuclei have so far not been able to establish a discovery. We use data from the XENON100 experime…
Search for Bosonic Super-WIMP Interactions with the XENON100 Experiment
XENON collaboration, E. Aprile, J. Aalbers +118
We present results of searches for vector and pseudo-scalar bosonic super-WIMPs, which are dark matter candidates with masses at the keV-scale, with the XENON100 experiment. XENON1…
Search for magnetic inelastic dark matter with XENON100
XENON collaboration, E. Aprile, J. Aalbers +112
We present the first search for dark matter-induced delayed coincidence signals in a dual-phase xenon time projection chamber, using the 224.6 live days of the XENON100 science run…
Effective field theory search for high-energy nuclear recoils using the XENON100 dark matter detector
E. Aprile, J. Aalbers, F. Agostini +114
We report on WIMP search results in the XENON100 detector using a non-relativistic effective field theory approach. The data from science run II (34 kg 224.6 live days) wa…