CERN Accelerating science

Published Articles

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2016-08-26
16:23
Picosecond photoconductivity / Hammond, Robert B (Los Alamos)
Los Alamos, NM : Los Alamos Nat. Lab., 1986 - 32 p. - Published in : Los Alamos Sci. (1986) , pp. 49-65 Fulltext: PDF;

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2016-08-25
08:19
Optical performance of prototype horn-coupled TES bolometer arrays for SAFARI / Audley, Michael D ; de Lange, Gert ; Gao, Jian-Rong ; Khosropanah, Pourya ; Hijmering, Richard ; Ridder, Marcel L
The SAFARI Detector Test Facility is an ultra-low background optical testbed for characterizing ultra-sensitive prototype horn-coupled TES bolmeters for SAFARI, the grating spectrometer on board the proposed SPICA satellite. The testbed contains internal cold and hot black-body illuminators and a light-pipe for illumination with an external source. [...]
arXiv:1608.06843.- 2016 - 9 p. - Published in : Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 991408 (19 July 2016) External link: Preprint

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2016-08-25
08:18
On the influence of impact effect modelling for global asteroid impact risk distribution / Rumpf, Clemens M ; Lewis, Hugh G ; Atkinson, Peter M
ESA and NASA maintain asteroid hazard lists that contain all known asteroids with a non zero chance of colliding with the Earth in the future. Some software tools exist that are, either, capable of calculating the impact points of those asteroids, or that can estimate the impact effects of a given impact incident. [...]
arXiv:1608.06768.- 2016 - 11 p. - Published in : Acta Astronautica, Volume 123, June 2016, Pages 165-170, ISSN 0094-5765 External link: Preprint

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2016-08-25
08:18
The intrinsic beauty of polytropic spheres in reduced variables / Caimmi, R
The concept of reduced variables is revisited with regard to van der Waals' theory and an application is made to polytropic spheres, where the reduced radial coordinate is ${\rm red}(r)=r/R=\xi/\Xi$, $R$ radius, and the reduced density is ${\rm red}(\rho)=\rho/\lambda=\theta^n$, $\lambda$ central density. Reduced density profiles are plotted for several polytropic indexes within the range, $0\le n\le5$, disclosing two noticeable features. [...]
arXiv:1608.06756.- 2016 - 18 p. - Published in : No. (2016) External link: Preprint

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2016-08-25
08:18
Spatial distribution of low-energy plasma around comet 67P/CG from Rosetta measurements / Edberg, N J T ; Eriksson, A I ; Odelstad, E ; Henri, P ; Lebreton, J -P ; Gasc, S ; Rubin, M ; André, M ; Gill, R ; Johansson, E P G et al.
We use measurements from the Rosetta plasma consortium (RPC) Langmuir probe (LAP) and mutual impedance probe (MIP) to study the spatial distribution of low-energy plasma in the near-nucleus coma of comet 67P/Churyumov-Gerasimenko. The spatial distribution is highly structured with the highest density in the summer hemisphere and above the region connecting the two main lobes of the comet, i.e. [...]
arXiv:1608.06745.- 2016 - 7 p. - Published in : Geophys. Res. Lett. 4 (2015) 2 External link: Preprint

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2016-08-25
08:18
Search for exoplanets and brown dwarfs with VLBI / Katarzynski, K ; Gawronski, M ; Gozdziewski, K
The main aim of this work is to estimate possible radio GHz emission of extrasolar planets and brown dwarfs and to check if such radiation can be detected by Very Large Baseline Interferometers (VLBI). In the estimation we assume that the emission may originate in processes similar to those observed in the Jupiter system. [...]
arXiv:1608.06719.- 2016 - 11 p. - Published in : 2016 MNRAS vol. 461 p. 929 External link: Preprint

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2016-08-25
08:18
Carbon Stars in the Satellites and Halo of M31 / Hamren, Katherine ; Beaton, Rachael L ; GuhaThakurta, Puragra ; Gilbert, Karoline M ; Tollerud, Erik J ; Boyer, Martha L ; Rockosi, Constance M ; Smith, Graeme H ; Majewski, Steven R ; Howley, Kirsten
We spectroscopically identify a sample of carbon stars in the satellites and halo of M31 using moderate-resolution optical spectroscopy from the Spectroscopic and Photometric Landscape of Andromeda's Stellar Halo survey. We present the photometric properties of our sample of 41 stars, including their brightness with respect to the tip of the red giant branch (TRGB) and their distributions in various color-color spaces. [...]
arXiv:1608.06714.- 2016 External link: Preprint

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2016-08-25
08:18
Galaxy Secular Mass Flow Rate Determination Using the Potential-Density Phase Shift Approach: Application to Six Nearby Spiral Galaxies / Zhang, Xiaolei ; Buta, Ronald J
Using the potential-density phase shift approach developed by the present authors in earlier publications, we estimate the magnitude of radial mass accretion/excretion rates across the disks of six nearby spiral galaxies having a range of Hubble types. Our goal is to examine these rates in the context of bulge building and secular morphological evolution along the Hubble sequence. [...]
arXiv:1608.06626.- 2016 - 28 p. External link: Preprint

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2016-08-24
08:13
Identification of Bifurcations from Observations of Noisy Biological Oscillators / Salvi, Joshua D ; Maoiléidigh, Dáibhid Ó ; Hudspeth, A J
Hair bundles are biological oscillators that actively transduce mechanical stimuli into electrical signals in the auditory, vestibular, and lateral-line systems of vertebrates. A bundle's function can be explained in part by its operation near a particular type of bifurcation, a qualitative change in behavior. [...]
arXiv:1608.06590.- 2016 - Published in : Biophysical Journal 111(4):798-812 (2016) External link: Preprint

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2016-08-24
08:13
Evolution of Intermittency in the Slow and Fast Solar Wind Beyond the Ecliptic Plane / Wawrzaszek, Anna ; Echim, Marius ; Macek, Wiesław M ; Bruno, Roberto
We study intermittency as a departure from self-similarity of the solar wind magnetic turbulence and investigate the evolution with the heliocentric distance and latitude. We use data from the Ulysses spacecraft measured during two solar minima (1997-1998 and 2007-2008) and one solar maximum (1999-2001). [...]
arXiv:1608.06446.- 2016 - 11 p. - Published in : The Astrophysical Journal Letters 814 (2015) L19 External link: Preprint

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