Publications (56)
Projected WIMP Sensitivity of the XENONnT Dark Matter Experiment
The XENON collaboration, E. Aprile, J. Aalbers +137
XENONnT is a dark matter direct detection experiment, utilizing 5.9 t of instrumented liquid xenon, located at the INFN Laboratori Nazionali del Gran Sasso. In this work, we predic…
Investigation of the dd -> 3He n Ï0 reaction with the FZ Jülich WASA-at-COSY facility
COSY Collaboration, P. Adlarson, W. Augustyniak +112
An exclusive measurement of the dd -> 3He n Ï0 reaction was carried at a beam momentum of p = 1.2 GeV/c using the WASA-at-COSY facility. For the first time data on the total cross…
ABC Resonance Structure in the Double-Pionic Fusion to 4He
P. Adlarson, W. Augustyniak, W. Bardan +109
Exclusive and kinematically complete high-statistics measurements of the double pionic fusion reaction He have been performed in the energy range 0.8 - 1.4 GeV…
Search for inelastic scattering of WIMP dark matter in XENON1T
XENON Collaboration, E. Aprile, J. Aalbers +138
We report the results of a search for the inelastic scattering of weakly interacting massive particles (WIMPs) in the XENON1T dark matter experiment. Scattering off Xe is t…
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.…
Isospin Decomposition of the Basic Double-Pionic Fusion in the Region of the ABC Effect
P. Adlarson, W. Augustyniak, W. Bardan +111
Exclusive and kinematically complete high-statistics measurements of the basic double pionic fusion reactions pn -> dpi0pi0, pn -> d pi+pi- and pp -> dpi+pi0 have been carried out…
Charge Symmetry Breaking in dd->4HeÏ0 with WASA-at-COSY
COSY Collaboration, P. Adlarson, W. Augustyniak +102
Charge symmetry breaking (CSB) observables are a suitable experimental tool to examine effects induced by quark masses on the nuclear level. Previous high precision data from TRIUM…
Exclusive Measurement of the eta --> pi+ pi- gamma Decay
P. Adlarson, C. Adolph, W. Augustyniak +119
An exclusive measurement of the decay eta --> pi+ pi- gamma has been performed at the WASA facility at COSY. The eta mesons were produced in the fusion reaction pd --> 3He X at a p…
Dark Matter Search Results from a One TonneYear Exposure of XENON1T
E. Aprile, J. Aalbers, F. Agostini +116
We report on a search for Weakly Interacting Massive Particles (WIMPs) using 278.8 days of data collected with the XENON1T experiment at LNGS. XENON1T utilizes a liquid xenon time…
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…
The XENON1T Data Acquisition System
E. Aprile, J. Aalbers, F. Agostini +130
The XENON1T liquid xenon time projection chamber is the most sensitive detector built to date for the measurement of direct interactions of weakly interacting massive particles wit…
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…
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…
Energy resolution and linearity of XENON1T in the MeV energy range
E. Aprile, J. Aalbers, F. Agostini +135
Xenon dual-phase time projection chambers designed to search for Weakly Interacting Massive Particles have so far shown a relative energy resolution which degrades with energy abov…
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…
Proceedings of the second International PrimeNet Workshop
P. Adlarson, M. Amaryan, M. Bashkanov +46
These are the proceedings of the second PrimeNet Workshop, held in September 26-28, 2011, at the campus of Forschungszentrum Jülich, Germany. This workshop is part of the activiti…
Constraining the Spin-Dependent WIMP-Nucleon Cross Sections with XENON1T
E. Aprile, J. Aalbers, F. Agostini +126
We report the first experimental results on spin-dependent elastic weakly interacting massive particle (WIMP) nucleon scattering from the XENON1T dark matter search experiment. The…
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…
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 Light Dark Matter Interactions Enhanced by the Migdal effect or Bremsstrahlung in XENON1T
E. Aprile, J. Aalbers, F. Agostini +131
Direct dark matter detection experiments based on a liquid xenon target are leading the search for dark matter particles with masses above 5 GeV/c, but have limited sens…
Differential Cross Sections for Neutron-Proton Scattering in the Region of the Dibaryon Resonance
P. Adlarson, W. Augustyniak, W. Bardan +102
Differential cross sections have been extracted from exclusive and kinematically complete high-statistics measurements of quasifree polarized scattering performed in the…
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…
Measurements of Branching Ratios for Decays into Charged Particles
P. Adlarson, W. Augustyniak, W. Bardan +96
The WASA-at-COSY experiment has collected events with -mesons produced via the reaction at . U…
Evidence for a New Resonance from Polarized Neutron-Proton Scattering
P. Adlarson, W. Augustyniak, W. Bardan +104
Exclusive and kinematically complete high-statistics measurements of quasifree polarized scattering have been performed in the energy region of the narrow resonance stru…
Search for the eta-mesic 4He with WASA-at-COSY detector
P. Adlarson, W. Augustyniak, W. Bardan +111
An exclusive measurement of the excitation function for the dd->3Heppi- reaction was performed at the Cooler Synchrotron COSY-Juelich with the WASA-at-COSY detection system. The da…
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…
Search for Coherent Elastic Scattering of Solar B Neutrinos in the XENON1T Dark Matter Experiment
E. Aprile, J. Aalbers, F. Agostini +135
We report on a search for nuclear recoil signals from solar B neutrinos elastically scattering off xenon nuclei in XENON1T data, lowering the energy threshold from 2.6 keV to 1…
First observation of two-neutrino double electron capture in Xe with XENON1T
E. Aprile, J. Aalbers, F. Agostini +127
Two-neutrino double electron capture (ECEC) is a second-order Weak process with predicted half-lives that surpass the age of the Universe by many orders of magnitude. Until no…
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…
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…
XENON1T Dark Matter Data Analysis: Signal & Background Models, and Statistical Inference
E. Aprile, J. Aalbers, F. Agostini +123
The XENON1T experiment searches for dark matter particles through their scattering off xenon atoms in a 2 tonne liquid xenon target. The detector is a dual-phase time projection ch…
ABC Effect and Resonance Structure in the Double-Pionic Fusion to He
P. Adlarson, W. Augustyniak, W. Bardan +100
Exclusive and kinematically complete measurements of the double pionic fusion to He have been performed in the energy region of the so-called ABC effect, which denotes a pronou…
ABC Effect in Basic Double-Pionic Fusion --- Observation of a new resonance?
P. Adlarson, C. Adolph, W. Augustyniak +116
We report on a high-statistics measurement of the basic double pionic fusion reaction over the energy region of the so-called ABC effect, a pronounced low-mass e…
Search for a dark photon in the decay
COSY Collaboration, P. Adlarson, W. Augustyniak +113
The presently world largest data sample of pi0 --> gamma e+e- decays containing nearly 5E5 events was collected using the WASA detector at COSY. A search for a dark photon U produc…
The Triggerless Data Acquisition System of the XENONnT Experiment
E. Aprile, J. Aalbers, K. Abe +162
The XENONnT detector uses the latest and largest liquid xenon-based time projection chamber (TPC) operated by the XENON Collaboration, aimed at detecting Weakly Interacting Massive…
Cross section ratio and angular distributions of the reaction p + d -> 3He + eta at 48.8 MeV and 59.8 MeV excess energy
P. Adlarson, W. Augustyniak, W. Bardan +104
We present new data for angular distributions and on the cross section ratio of the p + d -> 3He + eta reaction at excess energies of Q = 48.8 MeV and Q = 59.8 MeV. The data have b…
First results on the scalar WIMP-pion coupling, using the XENON1T experiment
E. Aprile, J. Aalbers, F. Agostini +128
We present first results on the scalar WIMP-pion coupling from 1 tyr of exposure with the XENON1T experiment. This interaction is generated when the WIMP couples to a virtu…
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…
Excess Electronic Recoil Events in XENON1T
E. Aprile, J. Aalbers, F. Agostini +136
We report results from searches for new physics with low-energy electronic recoil data recorded with the XENON1T detector. With an exposure of 0.65 t-y and an unprecedentedly low b…
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…
Rn emanation measurements for the XENON1T experiment
E. Aprile, J. Aalbers, F. Agostini +140
The selection of low-radioactive construction materials is of utmost importance for the success of low-energy rare event search experiments. Besides radioactive contaminants in the…
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…
Measurement of the Reaction in Search for the Recently Observed Resonance Structure in and systems
P. Adlarson, W. Augustyniak, W. Bardan +110
Exclusive measurements of the quasi-free reaction have been performed by means of collisions at = 1.2 GeV using the WASA detector setup at COSY. Tota…
Light Dark Matter Search with Ionization Signals in XENON1T
E. Aprile, J. Aalbers, F. Agostini +130
We report constraints on light dark matter (DM) models using ionization signals in the XENON1T experiment. We mitigate backgrounds with strong event selections, rather than requiri…
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…
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…
Measurement of the Dalitz plot distribution
P. Adlarson, W. Augustyniak, W. Bardan +107
Dalitz plot distribution of the decay is determined using a data sample of mesons from reaction at 1 GeV collected…
XENON1T Dark Matter Data Analysis: Signal Reconstruction, Calibration and Event Selection
E. Aprile, J. Aalbers, F. Agostini +125
The XENON1T experiment at the Laboratori Nazionali del Gran Sasso is the most sensitive direct detection experiment for dark matter in the form of weakly interacting particles (WIM…
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…
Ï^0 Ï^0 Production in Proton-Proton Collisions at Tp=1.4 GeV
P. Adlarson, C. Adolph, W. Augustyniak +111
The reaction pp->pppi0pi0 has been investigated at a beam energy of 1.4 GeV using the WASA-at-COSY facility. The total cross section is found to be (324 +- 21_systematic +- 58_norm…
Measurement of the Reaction in Search for the Recently Observed Resonance
P. Adlarson, W. Augustyniak, W. Bardan +99
Exclusive measurements of the quasi-free reaction have been performed by means of collisions at = 2.27 GeV using the WASA detector setup at COSY. Tot…
Neutron-Proton Scattering in the Context of the (2380) Resonance
P. Adlarson, W. Augustyniak, W. Bardan +105
New data on quasifree polarized neutron-proton scattering, in the region of the recently observed resonance structure, have been obtained by exclusive and kinematically compl…