CERN Accelerating science

CERN Document Server Pronađeno je 72 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 1.40 sekundi 
1.
Broadband Multi-wavelength Properties of M87 during the 2018 EHT Campaign including a Very High Energy Flaring Episode / Event Horizon Telescope Multi-wavelength Science Collaboration
The nearby elliptical galaxy M87 contains one of the only two supermassive black holes whose emission surrounding the event horizon has been imaged by the Event Horizon Telescope (EHT). [...]
arXiv:2404.17623 ; FERMILAB-PUB-24-0804-PPD.
- 46.
Fermilab Library Server - Fulltext - Fulltext
2.
Search for Ultraheavy Dark Matter from Observations of Dwarf Spheroidal Galaxies with VERITAS / VERITAS Collaboration
Dark matter is a key piece of the current cosmological scenario, with weakly interacting massive particles (WIMPs) a leading dark matter candidate. WIMPs have not been detected in their conventional parameter space (100 GeV $\lesssim M_{\chi} \lesssim$ 100 TeV), a mass range accessible with current Imaging Atmospheric Cherenkov Telescopes. [...]
arXiv:2302.08784.- 2023-03-13 - 10 p. - Published in : Astrophys. J. 945 (2023) 101 Fulltext: 2302.08784 - PDF; document - PDF;
3.
Dissemination of data measured at the CERN n_TOF facility / Dupont, E (IRFU, Saclay) ; Otuka, N ; Cabellos, O ; Aberle, O (CERN) ; Aerts, G ; Altstadt, S ; Alvarez, H ; Alvarez-Velarde, F ; Andriamonje, S ; Andrzejewski, J et al. /n_TOF
The n_TOF neutron time-of-flight facility at CERN is used for high quality nuclear data measurements from thermal energy up to hundreds of MeV. In line with the CERN open data policy, the n_TOF Collaboration takes actions to preserve its unique data, facilitate access to them in standardised format, and allow their re-use by a wide community in the fields of nuclear physics, nuclear astrophysics and various nuclear technologies. [...]
2017 - 4 p. - Published in : EPJ Web Conf. 146 (2017) 07002 Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.07002
4.
Neutron-induced fission cross section of Np237 in the keV to MeV range at the CERN n_TOF facility / Diakaki, M ; Karadimos, D ; Vlastou, R ; Kokkoris, M ; Demetriou, P ; Skordis, E ; Tsinganis, A ; Abbondanno, U ; Aerts, G ; Álvarez, H et al.
The neutron-induced fission cross section of Np237 was experimentally determined at the high-resolution and high-intensity facility n_TOF, at CERN, in the energy range 100 keV to 9 MeV, using the U235(n,f) and U238(n,f) cross section standards below and above 2 MeV, respectively. A fast ionization chamber was used in order to detect the fission fragments from the reactions and the targets were characterized as far as their mass and homogeneity are concerned by means of α spectroscopy and Rutherford backscattering spectroscopy respectively. [...]
2016 - 12 p. - Published in : Phys. Rev. C 93 (2016) 034614 Fulltext: PDF;
5.
Gamma-ray Observations Under Bright Moonlight with VERITAS / Archambault, S. (McGill U.) ; Archer, A. (Washington U., St. Louis) ; Benbow, W. (Whipple Observ.) ; Bird, R. (UCLA) ; Bourbeau, E. (McGill U.) ; Bouvier, A. (UC, Santa Cruz) ; Buchovecky, M. (UCLA) ; Bugaev, V. (Washington U., St. Louis) ; Cardenzana, J. V (Iowa State U.) ; Cerruti, M. (Whipple Observ.) et al.
Imaging atmospheric Cherenkov telescopes (IACTs) are equipped with sensitive photomultiplier tube (PMT) cameras. Exposure to high levels of background illumination degrades the efficiency of and potentially destroys these photo-detectors over time, so IACTs cannot be operated in the same configuration in the presence of bright moonlight as under dark skies. [...]
arXiv:1703.01307.- 2017 - 19 p. - Published in : Astropart. Phys. 91 (2017) 34-43 Fulltext: 945455f8-9ec5-49e5-aff6-378b4340ea7e-1703.01307 - PDF; 10.1016_j.astropartphys.2017.03.001 - PDF;
6.
Study of 234U(n,f) Resonances Measured at the CERN n_TOF Facility / Leal-Cidoncha, E (U. Santiago de Compostela (main)) ; Durán, I (U. Santiago de Compostela (main)) ; Paradela, C (U. Santiago de Compostela (main)) ; Tarrío, D (U. Santiago de Compostela (main)) ; Leong, L S (Orsay, IPN) ; Audouin, L (Orsay, IPN) ; Tassan-Got, L (Orsay, IPN) ; Praena, J (Seville U.) ; Berthier, B (Orsay, IPN) ; Ferrant, L (Orsay, IPN) et al.
We present the analysis of the resolved resonance region for the U-234(n,f) cross section data measured at the CERN n\_TOF facility. The resonance parameters in the energy range from 1 eV to 1500 eV have been obtained with the SAMMY code by using as initial parameters for the fit the resonance parameters of the JENDL-3.3 evaluation. [...]
2014 - 3. - Published in : Nucl. Data Sheets 119 (2014) 42-44
7.
Neutron-induced fission cross section of U234 measured at the CERN n_TOF facility / Karadimos, D ; Vlastou, R ; Ioannidis, K ; Demetriou, P ; Diakaki, M ; Vlachoudis, V (CERN) ; Pavlopoulos, P ; Konovalov, V ; Abbondanno, U ; Aerts, G et al.
The neutron-induced fission cross section of U234 has been measured at the CERN n_TOF facility relative to the standard fission cross section of U235 from 20 keV to 1.4 MeV and of U238 from 1.4 to 200 MeV. A fast ionization chamber (FIC) was used as a fission fragment detector with a detection efficiency of no less than 97%. [...]
2014 - 11 p. - Published in : Phys. Rev. C 89 (2014) 044606
8.
Measurement and analysis of the $^{243}$Am neutron capture cross section at the n_TOF facility at CERN / n_TOF Collaboration
Background:The design of new nuclear reactors and transmutation devices requires to reduce the present neutron cross section uncertainties of minor actinides. Purpose: Reduce the $^{243}$Am(n,$\gamma$) cross section uncertainty. [...]
arXiv:1412.1707.- 2014-09-11 - 16 p. - Published in : Phys. Rev. C 90 (2014) 034608 Fulltext: PDF; External link: Preprint
9.
The Zr-93 (n, gamma) reaction up to 8 keV neutron energy / Tagliente, G (INFN, Bari) ; Abbondanno, U (INFN, Trieste) ; Aerts, G (DAPNIA, Saclay) ; Alvarez, H (Santiago de Compostela U.) ; Alvarez-Velarde, F (Madrid, CIEMAT) ; Andriamonje, S (DAPNIA, Saclay) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Karlsruhe, Inst. Technol.) ; Badurek, G (Vienna, Tech. U.) ; Baumann, P (Strasbourg, IReS) et al.
2013 - 7 p. - Published in : Phys. Rev. C 87 (2013) 014622 APS published version, local copy: PDF;
10.
Neutron-induced fission cross section of Cm-245: New results from data taken at the time-of-flight facility n_TOF / Calviani, M (INFN, Legnaro ; Padua U. ; CERN) ; Meaze, M H (INFN, Bari) ; Colonna, N (INFN, Bari) ; Praena, J (Seville U.) ; Abbondanno, U (INFN, Trieste) ; Aerts, G (DSM, DAPNIA, Saclay) ; Alvarez, H (Santiago de Compostela U.) ; Alvarez-Velarde, F (Madrid, CIEMAT) ; Andriamonje, S (CERN ; DSM, DAPNIA, Saclay) ; Andrzejewski, J (Lodz U.) et al.
2012 - 10 p. - Published in : Phys. Rev. C 85 (2012) 034616 APS Published version, local copy: PDF;

CERN Document Server : Pronađeno je 72 zapisa   1 - 10slijedećikraj  idi na zapis:
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1 O'Brien, S D
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15 O'Brien, Stephen
5 O'Brien, Stephen J
1 O'Brien, Stephen K
85 O'brien, S
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