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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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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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Search for a muon EDM using the frozen-spin technique
/ Adelmann, A. (ETH, Zurich (main) ; PSI, Villigen) ; Backhaus, M. (ETH, Zurich (main)) ; Chavez Barajas, C. (Liverpool U.) ; Berger, N. (Mainz U., Inst. Phys.) ; Bowcock, T. (Liverpool U.) ; Calzolaio, C. (PSI, Villigen) ; Cavoto, G. (Rome U. ; INFN, Rome) ; Chislett, R. (University Coll. London) ; Crivellin, A. (PSI, Villigen ; CERN ; U. Zurich (main)) ; Daum, M. (PSI, Villigen) et al.
This letter of intent proposes an experiment to search for an electric dipole moment of the muon based on the frozen-spin technique. [...]
arXiv:2102.08838.
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28 p.
Fulltext
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Development of next generation muon beams at the Paul Scherrer Institute
/ Iwai, Ryoto (Zurich, ETH) ; Antognini, Aldo (CERN ; Zurich, ETH) ; Ayres, Nicholas ; Bao, Yu ; Belosevic, Ivana ; Bondar, Vira ; Eggenberger, Andreas ; Hildebrandt, Malte ; Kaplan, Daniel M ; Kettle, Peter R et al.
The Paul Scherrer Institute (PSI) provides the world's highest intensity muon beam of $\mathcal{O}(10^{8})\,\mu^{+}/$s at 28$\,$MeV/c. The HiMB project aims to improve this rate by two orders of magnitude. [...]
SISSA, 2020 - 5 p.
- Published in : PoS NuFact2019 (2020) 125
Fulltext: PDF;
In : The 21st International Workshop on Neutrinos from Accelerators, Daegu, Republic Of Korea, 26 - 31 Aug 2019, pp.125
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First high-statistics and high-resolution recoil-ion data from the WITCH retardation spectrometer
/ Finlay, P (Leuven U.) ; Breitenfeldt, M (Leuven U.) ; Porobić, T (Leuven U.) ; Wursten, E (Leuven U.) ; Ban, G (Caen U.) ; Beck, M (Munster U.) ; Couratin, C (Leuven U.) ; Fabian, X (Caen U.) ; Fléchard, X (Caen U.) ; Friedag, P (Munster U.) et al.
The first high-statistics and high-resolution data set for the integrated recoil-ion energy spectrum following the $ \beta^+$ decay of$^{35}$Ar has been collected with the WITCH retardation spectrometer located at CERN-ISOLDE. Over 25 million recoil-ion events were recorded on a large-area multichannel plate (MCP) detector with a time-stamp precision of 2ns and position resolution of 0.1mm due to the newly upgraded data acquisition based on the LPC Caen FASTER protocol. [...]
2016
- Published in : Eur. Phys. J. A 52 (2016) 206
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The AEgIS Experiment
/ Knecht, A (CERN) ; Aghion, S (Milan Polytechnic) ; Ahlen, O (CERN) ; Amsler, C (Bern U., LHEP) ; Ariga, A (Bern U., LHEP) ; Ariga, T (Bern U., LHEP) ; Belov, A S (Moscow, INR) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) et al.
The AEgIS experiment aims at performing the first test of the Weak Equivalence Principle of General Relativity in the antimatter sector by measuring the gravitational acceleration acting on a beam of cold antihydrogen to a precision of 1%. The installation of the apparatus is making good progress and large parts were taken into operation. [...]
2014 - 11 p.
- Published in : Hyperfine Interact. 228 (2014) 121-131
In : 11th International Conference on Low Energy Antiproton Physics, Uppsala, Sweden, 10 - 15 Jun 2013, pp.121-131
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Measuring the gravitational free-fall of antihydrogen
/ Storey, J (Bern U., LHEP) ; Aghion, S (Milan Polytechnic ; INFN, Milan) ; Ahlen, O (CERN) ; Amsler, C (Bern U., LHEP) ; Ariga, A (Bern U., LHEP) ; Ariga, T (Bern U., LHEP) ; Belov, A S (Moscow, INR) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) et al.
Antihydrogen holds the promise to test, for the first time, the universality of free-fall with a system composed entirely of antiparticles. The AEgIS experiment at CERN’s antiproton decelerator aims to measure the gravitational interaction between matter and antimatter by measuring the deflection of a beam of antihydrogen in the Earths gravitational field ( $\overline {\textrm {g}}$ ). [...]
2014 - 7 p.
- Published in : Hyperfine Interact. 228 (2014) 151-157
In : 11th International Conference on Low Energy Antiproton Physics, Uppsala, Sweden, 10 - 15 Jun 2013, pp.151-157
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