Publications (25)
The Gravitational Universe
The eLISA Consortium, :, P. Amaro Seoane +158
The last century has seen enormous progress in our understanding of the Universe. We know the life cycles of stars, the structure of galaxies, the remnants of the big bang, and hav…
On the establishment of a mutant
J. Baker, P. Chigansky, P. Jagers +1
How long does it take for an initially advantageous mutant to establish itself in a resident population, and what does the population composition look like then? We approach these…
Making use of geometrical invariants in black hole collisions
J. Baker, M. Campanelli
We consider curvature invariants in the context of black hole collision simulations. In particular, we propose a simple and elegant combination of the Weyl invariants I and J, the…
Quantifying risk of a noise-induced AMOC collapse from northern and tropical Atlantic Ocean variability
R. Chapman, P. Ashwin, J. Baker +1
The Atlantic Meridional Overturning Circulation (AMOC) exerts a major influence on global climate. There is much debate about whether the current strong AMOC may collapse as a resu…
Spectral modeling of scintillator for the NEMO-3 and SuperNEMO detectors
J. Argyriades, R. Arnold, C. Augier +90
We have constructed a GEANT4-based detailed software model of photon transport in plastic scintillator blocks and have used it to study the NEMO-3 and SuperNEMO calorimeters employ…
Measurement of the normalized U(n,f)/U(n,f) cross section ratio from threshold to 30 MeV with the fission Time Projection Chamber
R. J. Casperson, D. M. Asner, J. Baker +61
The normalized U(n,f)/U(n,f) cross section ratio has been measured using the NIFFTE fission Time Projection Chamber from the reaction threshold to ~MeV. The fis…
Report on the first round of the Mock LISA Data Challenges
K. A. Arnaud, G. Auger, S. Babak +42
The Mock LISA Data Challenges (MLDCs) have the dual purpose of fostering the development of LISA data analysis tools and capabilities, and demonstrating the technical readiness alr…
Results of the BiPo-1 prototype for radiopurity measurements for the SuperNEMO double beta decay source foils
J. Argyriades, R. Arnold, C. Augier +86
The development of BiPo detectors is dedicated to the measurement of extremely high radiopurity in Tl and Bi for the SuperNEMO double beta decay source foils. A mod…
Probing New Physics Models of Neutrinoless Double Beta Decay with SuperNEMO
R. Arnold, C. Augier, J. Baker +79
The possibility to probe new physics scenarios of light Majorana neutrino exchange and right-handed currents at the planned next generation neutrinoless double beta decay experimen…
Plunge waveforms from inspiralling binary black holes
J. Baker, B. Bruegmann, M. Campanelli +2
We study the coalescence of non-spinning binary black holes from near the innermost stable circular orbit down to the final single rotating black hole. We use a technique that comb…
Modeling gravitational radiation from coalescing binary black holes
J. Baker, M. Campanelli, C. O. Lousto +1
With the goal of bringing theory, particularly numerical relativity, to bear on an astrophysical problem of critical interest to gravitational wave observers we introduce a model f…
Persistence of Small Noise and Random initial conditions
J. Baker, P. Chigansky, K. Hamza +1
The effect of small noise in a smooth dynamical system is negligible on any finite time interval. Here we study situations when it persists on intervals increasing to infinity. Suc…
Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator
A. Allega, M. R. Anderson, S. Andringa +116
The direction of individual B solar neutrinos has been reconstructed using the SNO+ liquid scintillator detector. Prompt, directional Cherenkov light was separated from the slo…
Measurement of the background in the NEMO 3 double beta decay experiment
NEMO Collaboration, J. Argyriades, R. Arnold +62
In the double beta decay experiment NEMO~3 a precise knowledge of the background in the signal region is of outstanding importance. This article presents the methods used in NEMO~3…
Gravitational waves from black hole collisions via an eclectic approach
J. Baker, B. Bruegmann, M. Campanelli +1
We present the first results in a new program intended to make the best use of all available technologies to provide an effective understanding of waves from inspiralling black hol…
Impact of LISA's low frequency sensitivity on observations of massive black hole mergers
J. Baker, J. Centrella
LISA will be able to detect gravitational waves from inspiralling massive black hole (MBH) binaries out to redshifts z > 10. If the binary masses and luminosity distances can be ex…
Measurement of double beta decay of 100Mo to excited states in the NEMO 3 experiment
R. Arnold, C. Augier, J. Baker +51
The double beta decay of 100Mo to the 0^+_1 and 2^+_1 excited states of 100Ru is studied using the NEMO 3 data. After the analysis of 8024 h of data the half-life for the two-neutr…
Structure determination of the indium-induced Si(111)-(4x1) reconstruction by surface x-ray diffraction
O. Bunk, G. Falkenberg, J. H. Zeysing +6
A detailed structural model for the indium-induced Si(111)-(4x1) surface reconstruction has been determined by analyzing an extensive set of x-ray-diffraction data recorded with mo…
A Time Projection Chamber for High Accuracy and Precision Fission Cross Section Measurements
NIFFTE Collaboration, M. Heffner, D. M. Asner +47
The fission Time Projection Chamber (fissionTPC) is a compact (15 cm diameter) two-chamber MICROMEGAS TPC designed to make precision cross section measurements of neutron-induced f…
Possible background reductions in double beta decay experiments
R. Arnold, C. Augier, J. Baker +38
The background induced by radioactive impurities of and in the source of the double beta experiment NEMO-3 has been investigated. New methods of data…
Initial measurement of reactor antineutrino oscillation at SNO+
SNO+ Collaboration, :, A. Allega +119
The SNO+ collaboration reports its first spectral analysis of long-baseline reactor antineutrino oscillation using 114 tonne-years of data. Fitting the neutrino oscillation probabi…
The Lazarus project: A pragmatic approach to binary black hole evolutions
J. Baker, M. Campanelli, C. Lousto
We present a detailed description of techniques developed to combine 3D numerical simulations and, subsequently, a single black hole close-limit approximation. This method has made…
Measurement of the two neutrino double beta decay half-life of Zr-96 with the NEMO-3 detector
J. Argyriades, R. Arnold, C. Augier +66
Using 9.4 g of Zr-96 and 1221 days of data from the NEMO-3 detector corresponding to 0.031 kg yr, the obtained 2vbb decay half-life measurement is [2.35 +/- 0.14(stat) +/- 0.16(sys…
The coalescence remnant of spinning binary black holes
J. Baker, M. Campanelli, C. O. Lousto +1
We compute the gravitational radiation generated in the evolution of a family of close binary black hole configurations, using a combination of numerical and perturbative approxima…
Measurement of the Double Beta Decay Half-life of 130Te with the NEMO-3 Detector
R. Arnold, C. Augier, J. Baker +67
This Letter reports results from the NEMO-3 experiment based on an exposure of 1275 days with 661g of 130Te in the form of enriched and natural tellurium foils. The double beta dec…