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Control system for ion Penning traps at the AEgIS experiment at CERN
/ Nowicka, D (Warsaw U. of Tech.) ; Bergmann, B (Prague, Tech. U.) ; Bonomi, G (Brescia U. ; INFN, Brescia ; INFN, Pavia) ; Brusa, R S (TIFPA-INFN, Trento ; Trento U.) ; Burian, P (Prague, Tech. U.) ; Camper, A (Oslo U.) ; Caravita, R (TIFPA-INFN, Trento ; Trento U.) ; Castelli, F (Milan U. ; INFN, Milan) ; Cheinet, P (LAC, Orsay) ; Comparat, D (LAC, Orsay) et al.
The AEgIS experiment located at the Antiproton Decelerator at CERN aims to measure the gravitational fall of a cold antihydrogen pulsed beam. The precise observation of the antiatoms in the Earth gravitational field requires a controlled production and manipulation of antihydrogen. [...]
2022 - 5 p.
- Published in : J. Phys. : Conf. Ser. 2374 (2022) 012038
Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012038
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Neutrinoless Double Beta Decay
/ Adams, C. (Argonne) ; Alfonso, K. (Virginia Tech.) ; Andreoiu, C. (Simon Fraser U., Burnaby (main)) ; Angelico, E. (SLAC) ; Arnquist, I.J. (PNL, Richland) ; Asaadi, J.A.A. (Texas U., Arlington) ; Avignone, F.T. (South Carolina U.) ; Axani, S.N. (Delaware U.) ; Barabash, A.S. (Moscow, ITEP) ; Barbeau, P.S. (Duke U. ; TUNL, Durham) et al.
This White Paper, prepared for the Fundamental Symmetries, Neutrons, and Neutrinos Town Meeting related to the 2023 Nuclear Physics Long Range Plan, makes the case for double beta decay as a critical component of the future nuclear physics program. [...]
arXiv:2212.11099 ; FERMILAB-CONF-22-962-ND.
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Fermilab Library Server - Fulltext - Fulltext
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High-resolution MCP-TimePix3 imaging/timing detector for antimatter physics
/ Glöggler, L (CERN ; Berlin, Tech. U.) ; Caravita, R (INFN, Trento) ; Auzins, M (Latvia U.) ; Bergmann, B (Prague, Tech. U.) ; Brusa, R S (INFN, Trento ; Trento U.) ; Burian, P (Prague, Tech. U.) ; Camper, A (Oslo U.) ; Castelli, F (Milan U.) ; Cheinet, P (LAC, Orsay) ; Ciuryło, R (Torun, Copernicus Astron. Ctr.) et al.
We present a hybrid imaging/timing detector for force sensitive inertial measurements designed for measurements on positronium, the metastable bound state of an electron and a positron, but also suitable for applications involving other low intensity, low energy beams of neutral (antimatter)-atoms, such as antihydrogen. The performance of the prototype detector was evaluated with a tunable low energy positron beam, resulting in a spatial resolution of 12 mm, a detection efficiency of up to 40% and a time-resolution in the order of tens of ns..
2022 - 12 p.
- Published in : Meas. Sci. Technol. 33 (2022) 115105
Fulltext: PDF;
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Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA 2021) - ANIMMA2021
21 - 25 Jun 2021
- Prague, Czech Republic
/ Lyoussi, A. (ed.); Carette, M. (ed.); Hodák, R. (ed.); Jenčič, I. (ed.); Le Dû, P. (ed.); Pospíšil, S. (ed.); Reynard-Carette, C. (ed.); Snoj, L. (ed.); Stekl, I. (ed.); Vermeeren, L. (ed.)
2021
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Measurement of the radiation environment of the ATLAS cavern in 2017–2018 with ATLAS-GaAsPix detectors
/ Boyko, I (Dubna, JINR) ; Burian, P (IEAP CTU, Prague ; Pilsen U.) ; Campbell, M (CERN) ; Chelkov, G (Dubna, JINR ; Moscow, MIPT) ; Cherepanova, E (Dubna, JINR) ; Girolamo, B Di (CERN) ; Gongadze, A (Dubna, JINR) ; Janecek, J (IEAP CTU, Prague) ; Kharchenko, D (Dubna, JINR) ; Kruchonak, U (Dubna, JINR) et al.
A network of ten GaAs:Cr semiconductor Timepix detectors with GaAs:Cr sensors was installed in the ATLAS cavern at CERN's LHC during the shutdown periods 2015–2016 and 2016–2017 in the framework of a cooperation between ATLAS and the Medipix2 Collaboration. The purpose was to augment the existing system of measuring and characterising the radiation environment in the ATLAS cavern that is based on ATLAS-TPX devices with pixelated silicon sensors. [...]
2021 - 14 p.
- Published in : JINST 16 (2021) P01031
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Thermal neutron measurements by Timepix detector in H4IRRAD at CERN
/ Biskup, B (ECFA ; Prague, Tech. U.) ; Brugger, M (CERN) ; Calviani, M (CERN) ; Efthymiopoulos, I (CERN) ; Pospisil, S (Prague, Tech. U.) ; Solc, J (Prague, Inst. Metrology) ; Stekl, I (Prague, Tech. U.) ; Vykydal, Z (Prague, Inst. Metrology)
Timepix, a pixel detector, was installed in the H4IRRAD irradiation area at CERN to study its response to a mixed radiation field. The measured data were compared to Monte Carlo simulations performed by the FLUKA code. [...]
2019
- Published in : Nucl. Instrum. Methods Phys. Res., A 944 (2019) 162530
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Flavour tagged time dependent angular analysis of the $B_s \rightarrow J/\psi \phi$ decay and extraction of $\Delta\Gamma$ and the weak phase $\phi_s$ in ATLAS
/ ATLAS Collaboration
A measurement of the $B_s \rightarrow J/\psi \phi$ decay parameters, updated to include flavour tagging is reported using $4.9 fb^{-1}$ of integrated luminosity collected by the ATLAS detector from $\sqrt{s}= 7$TeV $pp$ collisions recorded in 2011 at the LHC. The values measured for the physical parameters are: \begin{eqnarray*} \phi_s & = & 0.12 \pm 0.25(stat.)\pm 0.05(syst.)rad \\ \Delta\Gamma & = & 0.053 \pm 0.021(stat.) 0.010(syst.)ps^{-1} \\ \Gamma_s & = & 0.677 \pm 0.007 (stat.)\pm 0.004 (syst.)ps^{-1}\\ |A_{\parallel}(0)|^2 & = & 0.220 \pm 0.008 (stat.)\pm 0.009(syst.)\\ |A_{0}(0)|^2 & = & 0.529 \pm 0.006 (stat.)\pm 0.012(syst.)\\ \delta_\perp & = & 3.89 \pm 0.47(stat.) \pm 0.11(syst.)rad \end{eqnarray*} where the parameter $\Delta\Gamma$ is constrained to be positive. [...]
arXiv:1407.1796; CERN-PH-EP-2014-043; CERN-PH-EP-2014-043.-
Geneva : CERN, 2014-09-23 - 26 p.
- Published in : Phys. Rev. D 90 (2014) 052007
APS Open Access article: PDF; Fulltext: PDF; External link: Preprint
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