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1.
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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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2.
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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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3.
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Data blinding for the nEDM experiment at PSI
/ Ayres, N.J. (Zurich, ETH ; Sussex U.) ; Ban, G. (Caen U.) ; Bison, G. (PSI, Villigen) ; Bodek, K. (Jagiellonian U.) ; Bondar, V. (Zurich, ETH ; PSI, Villigen ; Leuven U.) ; Chanel, E. (U. Bern, AEC) ; Chiu, P.J. (PSI, Villigen ; Zurich, ETH) ; Crawford, C.B. (Kentucky U.) ; Daum, M. (PSI, Villigen) ; Emmenegger, S. (Zurich, ETH) et al.
Psychological bias towards, or away from, a prior measurement or a theory prediction is an intrinsic threat to any data analysis. While various methods can be used to avoid the bias, e.g. [...]
arXiv:1912.09244.-
2021-04-28 - 13 p.
- Published in : Eur. Phys. J. A
Fulltext: PDF; Fulltext from Publisher: PDF;
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4.
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5.
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A novel segmented-scintillator antineutrino detector
/ SoLid Collaboration
The next generation of very-short-baseline reactor experiments will require compact detectors operating at surface level and close to a nuclear reactor. This paper presents a new detector concept based on a composite solid scintillator technology. [...]
arXiv:1703.01683.-
2017-04-21 - 17 p.
- Published in : JINST
Fulltext: arXiv:1703.01683 - PDF; 10.1088_1748-0221_12_04_P04024 - PDF;
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6.
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Optimizing charge breeding techniques for ISOL facilities in Europe: Conclusions from the EMILIE project
/ Delahaye, P (GANIL) ; Galatà, A (INFN, Legnaro) ; Angot, J (LPSC, Grenoble) ; Cam, J F (Caen U.) ; Traykov, E (Caen U.) ; Ban, G (Caen U.) ; Celona, L (INFN, LNS) ; Choinski, J (Warsaw U., Heavy Ion Lab) ; Gmaj, P (Warsaw U., Heavy Ion Lab) ; Jardin, P (GANIL) et al.
The present paper summarizes the results obtained from the past few years in the framework of the Enhanced Multi-Ionization of short-Lived Isotopes for Eurisol (EMILIE) project. The EMILIE project aims at improving the charge breeding techniques with both Electron Cyclotron Resonance Ion Sources (ECRIS) and Electron Beam Ion Sources (EBISs) for European Radioactive Ion Beam (RIB) facilities. [...]
2016
- Published in : Rev. Sci. Instrum. 87 (2016) 02B510
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7.
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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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8.
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WISARD: Weak-interaction studies with $^{32}$Ar decay
/ Ascher, P (CEN Bordeaux-Gradignan, France) ; Blank, B (CEN Bordeaux-Gradignan, France) ; Gerbaux, M (CEN Bordeaux-Gradignan, France) ; Giovinazzo, J (CEN Bordeaux-Gradignan, France) ; Grévy, S (CEN Bordeaux-Gradignan, France) ; Kurtukian Nieto, T (CEN Bordeaux-Gradignan, France) ; Severijns, N (KU Leuven, Belgium) ; Araujo-Escalona, V (KU Leuven, Belgium) ; Ban, G (LPC Caen, France) ; Fléchard, X (LPC Caen, France) et al.
CERN-INTC-2016-050 ; INTC-I-172.
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2016.
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9.
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Space-charge effects in Penning ion traps
/ Porobić, T (KU Leuven, Dept. Phys. Astron.) ; Beck, M (Munster U.) ; Breitenfeldt, M (KU Leuven, Dept. Phys. Astron.) ; Couratin, C (Caen U.) ; Finlay, P (KU Leuven, Dept. Phys. Astron.) ; Knecht, A (KU Leuven, Dept. Phys. Astron. ; CERN) ; Fabian, X (Caen U.) ; Friedag, P (Munster U.) ; Fléchard, X (Caen U.) ; Liénard, E (Caen U.) et al.
The influence of space-charge on ion cyclotron resonances and magnetron eigenfrequency in a gas-filled Penning ion trap has been investigated. Off-line measurements with View the MathML source using the cooling trap of the WITCH retardation spectrometer-based setup at ISOLDE/CERN were performed. [...]
2015 - 10 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 785 (2015) 153-162
Elsevier Open Access article: PDF;
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10.
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Search for a scalar component in the weak interaction
/ Zakoucky, Dalibor (Rez, Nucl. Phys. Inst.) ; Baczyk, Pavel (CERN) ; Ban, Gilles (Caen U.) ; Beck, Marcus (Munster U. ; Mainz U.) ; Breitenfeldt, Martin (KU Leuven, Dept. Phys. Astron.) ; Couratin, Claire (Caen U.) ; Fabian, Xavier (Caen U.) ; Finlay, Paul (KU Leuven, Dept. Phys. Astron.) ; Flechard, Xavier (Caen U.) ; Friedag, Peter (Munster U. ; U. Munster) et al.
Weak interactions are described by the Standard Model which uses the basic assumption of a pure “V(ector)-A(xial vector)” character for the interaction. However, after more than half a century of model development and experimental testing of its fundamental ingredients, experimental limits for possible admixtures of scalar and/or tensor interactions are still as high as 7%. [...]
2015 - 4 p.
- Published in : JPS Conf. Proc. 6 (2015) 030065
In : 2nd Conference on Advances in Radioactive Isotope Science, Tokyo, Japan, 1 - 6 Jun 2014, pp.030065
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