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CERN Document Server Encontrados 2,031 registros  1 - 10siguientefinal  ir al registro: La búsqueda tardó 0.71 segundos. 
1.
(100)
Strategy for Searching for a Dark Matter Sterile Neutrino / Boyarsky, Alexey (CERN ; EPFL-ISIC, Lausanne) ; Neronov, A. (ISDC, Versoix) ; Ruchayskiy, O. (IHES, Bures-sur-Yvette) ; Shaposhnikov, M. (EPFL-ISIC, Lausanne ; CERN) ; Tkachev, I. (CERN ; EPFL-ISIC, Lausanne)
We propose a strategy of how to look for dark matter (DM) particles possessing a radiative decay channel and derive constraints on their parameters from observations of X-rays from our own Galaxy and its dwarf satellites. When applied to the sterile neutrinos in keV mass range, it allows a significant improvement of restrictions to its parameters, as compared with previous works..
astro-ph/0603660; CERN-PH-TH-2006-005.- Geneva : CERN, 2006 - 5 p. - Published in : Phys. Rev. Lett. 97 (2006) 261302 APS Published version, local copy: PDF; Fulltext: 0603660 - PDF; arXiv:astro-ph_0603660 - PDF; External link: astro-ph/0603660 PDF
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2.
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Silicon Photomultipliers for the LHCb Upgrade Scintillating Fibre Tracker / Xu, Zhirui (EPFL-ISIC, Lausanne) ; Haefeli, Guido (EPFL-ISIC, Lausanne) /LHCb SciFi Tracker group
SISSA, 2014 - Published in : PoS TIPP2014 (2014) 071 Fulltext: PDF; External link: Published version from PoS
In : International Conference on Technology and Instrumentation in Particle Physics 2014, Amsterdam, Netherlands, 2 - 6 Jun 2014, pp.071
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3.
(57)
Constraints on the parameters of radiatively decaying dark matter from the dark matter halo of the Milky Way and Ursa Minor / Boyarsky, Alexey (CERN ; IPT, Lausanne) ; Nevalainen, Jukka (Helsinki U. Observ.) ; Ruchayskiy, Oleg (IHES, Bures-sur-Yvette)
Using the recent XMM-Newton PN blank sky data, we improve the earlier restrictions on parameters of the warm dark matter (DM) in the form of sterile neutrino (by as much as the order of magnitude at masses ~ 3.5 kev). The results are obtained from non-observing DM decay line in the X-ray spectrum of the Milky Way. [...]
astro-ph/0610961; CERN-PH-TH-2006-225; CERN-PH-TH-2006-225.- 2007 - 8 p. - Published in : Astron. Astrophys. 471 (2007) 51-57 Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint
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4.
(54)
Constraining DM properties with SPI / Boyarsky, Alexey (CERN) ; Malyshev, Denys (BITP, Kiev ; Dublin Inst.) ; Neronov, Andrey (ISDC, Versoix ; Geneva Observ.) ; Ruchayskiy, Oleg (IPT, Lausanne)
arXiv nonexclusive-nonexcl. 1.0
arXiv:0710.4922; CERN-PH-TH-2007-202.- 2007 - 17 p. - Published in : Mon. Not. R. Astron. Soc. 387 (2008) 1345 Fulltext: PDF;
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5.
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Restrictions on parameters of sterile neutrino dark matter from observations of galaxy clusters / Boyarsky, Alexey (CERN ; IPT, Lausanne) ; Neronov, A. (ISDC, Versoix ; Geneva Observ.) ; Ruchayskiy, Oleg (IHES, Bures-sur-Yvette) ; Shaposhnikov, Mikhail (IPT, Lausanne ; CERN)
We find restrictions on the mass and mixing angle of the dark matter sterile neutrinos using X-ray observations of Coma and Virgo galaxy clusters..
astro-ph/0603368.- 2006 - 10 p. - Published in : Phys. Rev. D 74 (2006) 103506 APS Published version, local copy: PDF; Fulltext: PDF; External link: astro-ph/0603368 PDF
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6.
(47)
Multiturn simulation of radiative Bhabha scattering in the equivalent photon approximation / Kicsiny, Peter (CERN ; EPFL-ISIC, Lausanne) ; Buffat, Xavier (CERN) ; Schulte, Daniel (CERN) ; Burkhardt, Helmut (CERN) ; Pieloni, Tatiana (EPFL-ISIC, Lausanne) ; Seidel, Mike (EPFL-ISIC, Lausanne)
In this paper, we present a Monte Carlo event generator for radiative Bhabha scattering, based on the method of equivalent photons, and optimized for multiturn tracking simulations in the xsuite framework. We demonstrate the accuracy of the event generator with successful benchmarks of the luminosity and event cross section against currently existing alternative tools. [...]
2024 - 15 p. - Published in : Phys. Rev. Accel. Beams 27 (2024) 091001 Fulltext: PDF;
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7.
(46)
System Level simulation framework for the ASICs development of a novel particle physics detector / Caratelli, Alessandro (EPFL-ISIC, Lausanne) ; Scarfi, Simone (EPFL-ISIC, Lausanne) ; Ceresa, Davide (CERN) ; Kloukinas, Kostas (CERN) ; Leblebici, Yusuf (EPFL-ISIC, Lausanne)
The simulation of the passage of particles through matter using Monte Carlo methods is broadly used in the development of particle detectors for high energy physics experiments. To develop the readout electronics for the Compact Muon Solenoid (CMS) experiment at CERN, and to assist the design of the on-detector ASICs, a simulation framework was build capable to link the physics Monte Carlo simulations platforms with an industry standard EDA simulation tools. [...]
2018 - 4 p. - Published in : 10.1109/PRIME.2018.8430367
In : , pp.49-52
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8.
(45)
Employing Beam-Gas Interaction Vertices for Transverse Profile Measurements / Rihl, Mariana (CERN) ; Alexopoulos, Andreas (CERN) ; Baglin, Vincent (CERN) ; Barschel, Colin (CERN) ; Bay, Aurelio (EPFL-ISIC, Lausanne) ; Blanc, Frederic (EPFL-ISIC, Lausanne) ; Bravin, Enrico (CERN) ; Bregliozzi, Giuseppe (CERN) ; Chritin, Nicolas (CERN) ; Dehning, Bernd (CERN) et al.
Interactions of high-energy beam particles with residual gas offer a unique opportunity to measure the beam profile in a non-intrusive fashion. Such a method was successfully pioneered* at the LHCb experiment using a silicon microstrip vertex detector. [...]
CERN-ACC-2016-312.- 2016 - 3 p. - Published in : 10.18429/JACoW-IPAC2016-MOPMR027 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.MOPMR027
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9.
(42)
Impact of bunch intensity asymmetry in colliders featuring strong beamstrahlung / Le Nguyen Nguyen, Khoi (CERN ; EPFL-ISIC, Lausanne ; Cambridge U.) ; Buffat, Xavier (CERN) ; Kicsiny, Peter (CERN ; EPFL-ISIC, Lausanne) ; Pieloni, Tatiana (EPFL-ISIC, Lausanne)
An analytical investigation of beamstrahlung-induced blow-up in Gaussian beams with arbitrary dimensions is presented, using various approximations for the strength of the hourglass effect and crab waist scheme. [...]
arXiv:2404.09012. - 25.
Fulltext
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10.
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Benchmarking electron-cloud simulations and pressure measurements at the LHC / Dominguez, O. (CERN ; EPFL-ISIC, Lausanne) ; Zimmermann, F. (EPFL-ISIC, Lausanne)
During the beam commissioning of the Large Hadron Collider (LHC) with 150, 75, 50 and 25-ns bunch spacing, important electron-cloud effects, like pressure rise, cryogenic heat load, beam instabilities or emittance growth, were observed. A method has been developed to infer different key beam-pipe surface parameters by benchmarking simulations and pressure rise observed in the machine. [...]
arXiv:1306.5560.- 2013-04-22 - 5 p.
- Published in : AIP Conf. Proc. C: 1206051 (2013) , pp. 79-83 Fulltext: PDF; Published version from CERN: PDF; External link: Preprint
In : ECLOUD’12: Joint INFN-CERN-EuCARD-AccNet Workshop on Electron-Cloud Effects, pp.79-83
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