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CERN Document Server Намерени са 2,049 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.51 секунди. 
1.
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A beamline for fundamental neutron physics at TRIUMF / Ahmed, S. (Manitoba U.) ; Andalib, T. (Manitoba U.) ; Barnes, M.J. (CERN) ; Bidinosti, C.B. (Winnipeg U. ; Manitoba U.) ; Bylinsky, Y. (TRIUMF) ; Chak, J. (TRIUMF) ; Das, M. (Manitoba U.) ; Davis, C.A. (TRIUMF) ; Franke, B. (TRIUMF) ; Gericke, M.T.W. (Manitoba U.) et al.
This article describes the new primary proton beamline 1U at TRIUMF. The purpose of this beamline is to produce ultracold neutrons (UCN) for fundamental-physics experiments. [...]
arXiv:1810.01001.- 2019-02-11 - 8 p. - Published in : Nucl. Instrum. Meth. A 927 (2019) 101-108 Fulltext: PDF;
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2.
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Fast-switching magnet serving a spallation-driven ultracold neutron source / Ahmed, S. (Manitoba U.) ; Altiere, E. (U. British Columbia (main)) ; Andalib, T. (Manitoba U.) ; Barnes, M.J. (CERN) ; Bell, B. (TRIUMF ; McGill U., Montreal (main)) ; Bidinosti, C.P. (Winnipeg U. ; Manitoba U.) ; Bylinsky, Y. (TRIUMF) ; Chak, J. (TRIUMF) ; Das, M. (Manitoba U.) ; Davis, C.A. (TRIUMF) et al.
A fast-switching, high-repetition-rate magnet and power supply have been developed for and operated at TRIUMF, to deliver a proton beam to the new ultracold neutron (UCN) facility. The facility possesses unique operational requirements: a time-averaged beam current of 40~$\mu$A with the ability to switch the beam on or off for several minutes. [...]
arXiv:1905.08857.- 2019-10-12 - 16 p. - Published in : Phys. Rev. Accel. Beams 22 (2019) 102401 Fulltext: PDF; Fulltext from Publisher: PDF;
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3.
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$\beta$-NMR of copper isotopes in ionic liquids / Stachura, Monika (TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, Canada V6T 2A3)
CERN-INTC-2020-016 ; INTC-SR-105. - 2020.
Fulltext - Original Document (INTC-P-393)
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4.
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Investigating nuclear structure near $N = 32$ and $N = 34$: Precision mass measurements of neutron-rich Ca, Ti and V isotopes / Porter, W.S. (TRIUMF ; British Columbia U.) ; Dunling, E. (TRIUMF ; York U., England) ; Leistenschneider, E. (Michigan State U., East Lansing (main) ; CERN ; Michigan State U., NSCL) ; Bergmann, J. (U. Giessen, II. Phys. Inst.) ; Bollen, G. (Michigan State U., East Lansing (main) ; Michigan State U., NSCL ; Michigan State U.) ; Dickel, T. (U. Giessen, II. Phys. Inst. ; Darmstadt, GSI) ; Dietrich, K.A. (TRIUMF ; U. Heidelberg (main)) ; Hamaker, A. (Michigan State U., East Lansing (main) ; Michigan State U., NSCL ; Michigan State U.) ; Hockenbery, Z. (TRIUMF ; McGill U.) ; Izzo, C. (TRIUMF) et al.
Nuclear mass measurements of isotopes are key to improving our understanding of nuclear structure across the chart of nuclides, in particular for the determination of the appearance or disappearance of nuclear shell closures. We present high-precision mass measurements of neutron-rich Ca, Ti and V isotopes performed at the TITAN and LEBIT facilities. [...]
arXiv:2206.15329.- 2022-08-10 - 7 p. - Published in : Phys. Rev. C 106 (2022) 024312 Fulltext: PDF;
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A=225 implantation for $^{221}$Fr source for TRIUMF atom trap / Behr, J A (TRIUMF, 4004 Wesbrook Mall ; Vancouver, BC Canada) ; Gwinner, G (U. Manitoba ; Winnipeg, MB Canada) ; Ozorco, L (U. Maryland ; U.S.A.) ; Pearson, M (TRIUMF, 4004 Wesbrook Mall ; Vancouver, BC Canada) ; Gomez, E (U. San Luis Potosi ; Mexico) ; Aubin, S (The College of William and Mary ; U.S.A.)
CERN-INTC-2011-021 ; INTC-P-303. - 2011.
Fulltext
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Summit of the N=40 Island of Inversion: precision mass measurements and ab initio calculations of neutron-rich chromium isotopes / Silwal, R. (TRIUMF ; Appalachian State U.) ; Andreoiu, C. (Simon Fraser U.) ; Ashrafkhani, B. (Calgary U.) ; Bergmann, J. (Giessen U.) ; Brunner, T. (McGill U.) ; Cardona, J. (TRIUMF ; Manitoba U.) ; Dietrich, K. (TRIUMF ; Heidelberg U.) ; Dunling, E. (TRIUMF ; York U., England) ; Gwinner, G. (Manitoba U.) ; Hockenbery, Z. (TRIUMF ; McGill U.) et al.
Mass measurements continue to provide invaluable information for elucidating nuclear structure and scenarios of astrophysical interest. The transition region between the $Z = 20$ and $28$ proton shell closures is particularly interesting due to the onset and evolution of nuclear deformation as nuclei become more neutron rich. [...]
arXiv:2204.09566.- 2022-10-10 - 12 p. - Published in : Phys. Lett. B 833 (2022) 137288 Fulltext: PDF;
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Design of a Radial TPC for Antihydrogen Gravity Measurement with ALPHA-g / Capra, Andrea (TRIUMF) ; Amaudruz, Pierre-André (TRIUMF) ; Bishop, Daryl (TRIUMF) ; Fujiwara, Makoto C. (TRIUMF) ; Freeman, Skyler (TRIUMF) ; Gill, David (TRIUMF) ; Grant, Matthew (TRIUMF) ; Henderson, Robert (TRIUMF) ; Kurchaninov, Leonid (TRIUMF) ; Lu, Philip (TRIUMF) et al.
The gravitational interaction of antimatter and matter has never been directly probed. ALPHA-g is a novel experiment that aims to perform the first measurement of the antihydrogen gravitational mass. [...]
arXiv:1609.06656.- 2017 - 7 p. - Published in : JPS Conf. Proc. 18 (2017) 011015 Fulltext: PDF; External link: Fulltext
In : 12th International Conference on Low Energy Antiproton Physics, Kanazawa, Japan, 6 - 11 Mar 2016, pp.011015
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Improved search for two body muon decay ${\mu}^+{\rightarrow}e^+X_H$ / PIENU Collaboration
Charged lepton flavor violating muon decay ${\mu}^+{\rightarrow}e^+X_H$, where $X_H$ is a massive neutral boson, was sought by searching for extra peaks in the muon decay ${\mu}^+{\rightarrow}e^+{\nu}\bar{\nu}$ energy spectrum in the $m_{X_H}$ mass region $47.8-95.1$ MeV/$c^2$. No signal was found and 90% confidence level upper limits were set on the branching ratio ${\Gamma}({\mu}^+{\rightarrow}e^+X_H)/{\Gamma}({\mu}^+{\rightarrow}e^+{\nu}\bar{\nu})$ at the level of $10^{-5}$ for this region..
arXiv:2002.09170.- 2020-03-31 - 4 p. - Published in : Phys. Rev. D 101 (2020) 052014 Article from SCOAP3: PDF; Fulltext: PDF;
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Search for the rare decays $\pi^+ \to \mu^+\nu_\mu\nu\bar\nu$ and $\pi^+ \to e^+\nu_e\nu\bar\nu$ / PIENU Collaboration
The rare pion decays ${\pi}^+{\rightarrow}{\mu}^+{\nu}_{\mu}{\nu}\bar{\nu}$ and ${\pi}^+{\rightarrow}e^+{\nu}_{e}{\nu}\bar{\nu}$ are allowed in the Standard Model but highly suppressed. These decays were searched for using data from the PIENU experiment. [...]
arXiv:2006.00389.- 2020-07-01 - 9 p. - Published in : Phys. Rev. D 102 (2020) 012001 Fulltext: PDF; Fulltext from Publisher: PDF;
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Search for Heavy Neutrinos in $\pi \to \mu\nu$ Decay / PIENU Collaboration
Heavy neutrinos were sought in pion decays $\pi^+ \rightarrow \mu^+ \nu$ by examining the observed muon energy spectrum for extra peaks in addition to the expected peak for a massless neutrino. No evidence for heavy neutrinos was observed. [...]
arXiv:1904.03269.- 2019-11-10 - 5 p. - Published in : Phys. Lett. B 798 (2019) 134980 Article from SCOAP3: PDF; Fulltext: PDF;
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