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Science Case for the new High-Intensity Muon Beams HIMB at PSI
/ Aiba, M. (PSI, Villigen) ; Amato, A. (PSI, Villigen) ; Antognini, A. (PSI, Villigen ; Zurich, ETH) ; Ban, S. (Tokyo U., ICEPP) ; Berger, N. (U. Mainz, PRISMA) ; Caminada, L. (PSI, Villigen ; Zurich U.) ; Chislett, R. (University Coll. London) ; Crivelli, P. (Zurich, ETH) ; Crivellin, A. (PSI, Villigen ; Zurich U.) ; Maso, G. Dal (PSI, Villigen ; Zurich, ETH) et al.
In April 2021, scientists active in muon physics met to discuss and work out the physics case for the new High-Intensity Muon Beams (HIMB) project at PSI that could deliver of order $10^{10}$ s$^{-1}$ surface muons to experiments. [...]
arXiv:2111.05788.
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116.
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Measurement of the Permanent Electric Dipole Moment of the Neutron
/ Abel, C. (Sussex U.) ; Afach, S. (PSI, Villigen ; Zurich, ETH) ; Ayres, N.J. (Sussex U. ; Zurich, ETH) ; Baker, C.A. (Rutherford) ; Ban, G. (Caen U.) ; Bison, G. (PSI, Villigen) ; Bodek, K. (Jagiellonian U.) ; Bondar, V. (PSI, Villigen ; Zurich, ETH ; Leuven U.) ; Burghoff, M. (Berlin, Phys. Tech. Bund.) ; Chanel, E. (U. Bern, AEC) et al.
We present the result of an experiment to measure the electric dipole moment (EDM) of the neutron at the Paul Scherrer Institute using Ramsey's method of separated oscillating magnetic fields with ultracold neutrons (UCN). Our measurement stands in the long history of EDM experiments probing physics violating time reversal invariance. [...]
arXiv:2001.11966.-
2020-02-29 - 7 p.
- Published in : Phys. Rev. Lett. 124 (2020) 081803
Article from SCOAP3: PDF; Fulltext: PDF;
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Optically pumped Cs magnetometers enabling a high-sensitivity search for the neutron electric dipole moment
/ Abel, C. (Sussex U.) ; Afach, S. (PSI, Villigen ; Zurich, ETH) ; Ayres, N.J. (Sussex U. ; Zurich, ETH) ; Ban, G. (Caen U.) ; Bison, G. (PSI, Villigen) ; Bodek, K. (Jagiellonian U.) ; Bondar, V. (PSI, Villigen ; Zurich, ETH ; Leuven U.) ; Chanel, E. (U. Bern, AEC) ; Chiu, P.-J (PSI, Villigen ; Zurich, ETH) ; Crawford, C.B. (Kentucky U.) et al.
An array of sixteen laser-pumped scalar Cs magnetometers was part of the neutron electric dipole moment (nEDM) experiment taking data at the Paul Scherrer Institute in 2015 and 2016. It was deployed to measure the gradients of the experiment's magnetic field and to monitor their temporal evolution. [...]
arXiv:1912.04631.-
2020-05-12 - 17 p.
- Published in : Phys. Rev. A 101 (2020) 053419
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5.
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Terbium-149 for targeted alpha therapy
/ Grundler, Pascal (Paul Scherrer Institut, Villigen – ETH Zürich, Switzerland) ; Johnston, Karl (CERN, ISOLDE) ; Koester, Ulli (Institut Laue-Langevin, Grenoble, France) ; Mueller, Cristina (Paul Scherrer Institut, Villigen – ETH Zürich, Switzerland) ; Talip, Zeynap (Paul Scherrer Institut, Villigen – ETH Zürich, Switzerland) ; van der Meulen, Nick (Paul Scherrer Institut, Villigen – ETH Zürich, Switzerland)
CERN-INTC-2023-025 ; INTC-P-593-ADD-1.
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2023.
Fulltext - Original Document (INTC-P-593)
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Determination of the antiproton-to-electron mass ratio by precision laser spectroscopy of $\overline{p}He^{+}$
/ Hori, M (Univ. Tokyo ; CERN) ; Dax, A (Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan) ; Eades, John (Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan) ; Gomikawa, K (Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan) ; Hayano, R S (Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan) ; Ono, N (Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan) ; Pirkl, Werner (Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan) ; Widmann, E (Stefan Meyer Institut für Subatomare Physik, Boltzmanngasse 3, Vienna 1090, Austria) ; Torii, H A (Institute of Physics, University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan) ; Juhász, B (Stefan Meyer Institut für Subatomare Physik, Boltzmanngasse 3, Vienna 1090, Austria ; 5Institute of Nuclear Research of the Hungarian Academy of Sciences, H-4001 Debrecen, Hungary) et al.
A femtosecond optical frequency comb and continuous-wave pulse- amplified laser were used to measure 12 transition frequencies of antiprotonic helium to fractional precisions of (9-16) 10/sup -9lifetimes hitherto unaccessible to our precision laser spectroscopy method. Comparisons with three-body QED calculations yielded an antiproton-to-electron mass ratio of M/sub pmacron//m/sub e/=1836.152 674(5)..
2006
- Published in : Phys. Rev. Lett. 96 (2006) 243401/1-4
APS Published version, local copy: PDF;
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Anomalous spin precession systematic effects in the search for a muon EDM using the frozen-spin technique
/ Cavoto, G. (INFN, Rome) ; Chakraborty, R. (PSI, Villigen) ; Doinaki, A. (PSI, Villigen) ; Dutsov, C. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Hume, T. (PSI, Villigen ; Zurich, ETH) ; Kirch, K. (PSI, Villigen ; Zurich, ETH) ; Michielsen, K. (PSI, Villigen ; Zurich, ETH ; Ec. Polytech., Palaiseau (main)) ; Morvaj, L. (PSI, Villigen) ; Papa, A. (INFN, Pisa) et al.
At the Paul Scherrer Institut (PSI), we are currently working on the development of a high-precision apparatus with the aim of searching for the muon electric dipole moment (EDM) with unprecedented sensitivity. The underpinning principle of this experiment is the frozen-spin technique, a method that suppresses the spin precession due to the anomalous magnetic moment, thereby enhancing the signal-to-noise ratio for EDM signals. [...]
arXiv:2311.10508.-
2024-03-12 - 24 p.
- Published in : Eur. Phys. J. C 84 (2024) 262
Fulltext: 2311.10508 - PDF; document - PDF;
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A Revised Experimental Upper Limit on the Electric Dipole Moment of the Neutron
/ Pendlebury, J M (Sussex U.) ; Afach, S (PSI, Villigen ; Zurich, ETH) ; Ayres, N J (Sussex U.) ; Baker, C A (Rutherford) ; Ban, G (Caen U.) ; Bison, G (PSI, Villigen) ; Bodek, K (Jagiellonian U) ; Burghoff, M (Berlin, Phys. Tech. Bund.) ; Geltenbort, P (Laue-Langevin Inst.) ; Green, K (Guelph U. ; Rutherford) et al.
We present for the first time a detailed and comprehensive analysis of the experimental results that set the current world sensitivity limit on the magnitude of the electric dipole moment (EDM) of the neutron. We have extended and enhanced our earlier analysis to include recent developments in the understanding of the effects of gravity in depolarizing ultracold neutrons (UCN); an improved calculation of the spectrum of the neutrons; and conservative estimates of other possible systematic errors, which are also shown to be consistent with more recent measurements undertaken with the apparatus. [...]
arXiv:1509.04411.-
2015 - 23 p.
- Published in : Phys. Rev. D 92 (2015) 092003
APS Open Access article: PDF; External link: Preprint
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Shower Separation in Five Dimensions for Highly Granular Calorimeters using Machine Learning
/ CALICE Collaboration
To achieve state-of-the-art jet energy resolution for Particle Flow, sophisticated energy clustering algorithms must be developed that can fully exploit available information to separate energy deposits from charged and neutral particles. Three published neural network-based shower separation models were applied to simulation and experimental data to measure the performance of the highly granular CALICE Analogue Hadronic Calorimeter (AHCAL) technological prototype in distinguishing the energy deposited by a single charged and single neutral hadron for Particle Flow. [...]
arXiv:2407.00178.-
2024-10-24 - 29 p.
- Published in : JINST 19 (2024) P10027
Fulltext: 2407.00178 - PDF; document - PDF;
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The proposed trigger-less TBit/s readout for the Mu3e experiment
/ Bachmann, S (Kirchhoff Inst. Phys. ; CERN) ; Berger, N. (Kirchhoff Inst. Phys.) ; Blondel, A. (CERN ; Geneva U.) ; Bravar, S. (CERN ; Geneva U.) ; Buniatyan, A. (Kirchhoff Inst. Phys. ; DESY) ; Dissertori, G. (CERN ; Zurich, ETH) ; Eckert, P. (Kirchhoff Inst. Phys.) ; Fischer, P. (Heidelberg U.) ; Grab, C. (CERN ; Zurich, ETH) ; Gredig, R. (CERN ; Zurich U.) et al.
The Mu3e experiment searches for charged lepton flavor violation in the rare decay μ→eee with a projected sensitivity of 10−16. A precise measurement of the decay product momenta, decay vertex and time is necessary for background suppression at rates of 109 muons/s. [...]
2014
- Published in : JINST 9 (2014) C01011
IOP Open Access article: PDF;
In : Topical Workshop on Electronics for Particle Physics, Perugia, Italy, 23 - 27 Sep 2013, pp.C01011
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