Achieving ultra-low and -uniform residual magnetic fields in a very large magnetically shielded room for fundamental physics experiments

Ayres, N.J.; Ban, G.; Bison, G.; Bodek, K.; Bondar, V.; Bouillaud, T.; Bowles, D.; Chanel, E.; Chen, W.; Chiu, P.-J.; Crawford, C.B.; Naviliat-Cuncic, O.; Doorenbos, C.B.; Emmenegger, S.; Fertl, M.; Fratangelo, A.; Griffith, W.C.; Grujic, Z.D.; Harris, P.G.; Kirch, K.; Kletzl, V.; Krempel, J.; Lauss, B.; Lefort, T.; Lejuez, A.; Li, R.; Mullan, P.; Pacura, S.; Pais, D.; Piegsa, F.M.; Pignol, G.; Rienäcker, I.; Ries, D.; Rebreyend, D.; Roccia, S.; Rozpedzik, D.; Saenz-Arevalo, W.; Schmidt-Wellenburg, P.; Schnabel, Allard; Segarra, E.P.; Severijns, N.; Shelton, T.; Svirina, K.; Tavakoli Dinani, R.; Thorne, J.; Voigt, Jens; Yazdandoost, N.; Zejma, J.; Ziehl, N.; Zsigmond, G.

doi:https://doi.org/10.1140/epjc/s10052-023-12351-8

Zugriffsnummer	52252
Dokumenttyp	Zeitschriftenartikel
Peer Review	mit Peer Review
Sprache	Englisch
Titel	Achieving ultra-low and -uniform residual magnetic fields in a very large magnetically shielded room for fundamental physics experiments
Autor(in); Institution	Ayres, N.J.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND Ban, G.; Normandie Université, ENSICAEN, UNICAEN, Centre National de la Recherche Scientifique, LPC Caen, Caen, FRANCE Bison, G.; Paul Scherrer Institut, Villigen, SWITZERLAND Bodek, K.; Marian Smoluchowski Institute of Physics, Jagiellonian University, Cracow, POLAND Bondar, V.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND Bouillaud, T.; LPSC, Université Grenoble Alpes, CNRS/IN2P3, Grenoble, FRANCE Bowles, D.; Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky, USA Chanel, E.; Laboratory for High Energy Physics and Albert Einstein Center for Fundamental Physics, University of Bern, Bern, SWITZERLAND Chen, W.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND Chiu, P.-J.; Paul Scherrer Institut, Villigen, SWITZERLAND Crawford, C.B.; Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky, USA Naviliat-Cuncic, O.; Normandie Université, ENSICAEN, UNICAEN, Centre National de la Recherche Scientifique, LPC Caen, Caen, FRANCE Doorenbos, C.B.; Paul Scherrer Institut, Villigen, SWITZERLAND Emmenegger, S.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND Fertl, M.; Institute of Physics, Johannes Gutenberg University Mainz, Mainz, GERMANY Fratangelo, A.; University of Bern, Albert Einstein Center for Fundamental Physics, University of Bern, Bern, SWITZERLAND Griffith, W.C.; Department of Physics and Astronomy, University of Sussex, Falmer, Brighton, UNITED KINGDOM Grujic, Z.D.; Institute of Physics Belgrade, Belgrade, SERBIA Harris, P.G.; Department of Physics and Astronomy, University of Sussex, Falmer, Brighton, UNITED KINGDOM Kirch, K.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND Kletzl, V.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND Krempel, J.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND Lauss, B.; Paul Scherrer Institut, Villigen, SWITZERLAND Lefort, T.; Normandie Universite, ENSICAEN, UNICAEN, Centre National de la Recherche Scientifique, LPC Caen, Caen, FRANCE Lejuez, A.; Normandie Université, ENSICAEN, UNICAEN, Centre National de la Recherche Scientifique, LPC Caen, Caen, FRANCE Li, R.; Instituut voor Kern-en Stralingsfysica, University of Leuven, Leuven, BELGIUM Mullan, P.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND Pacura, S.; Marian Smoluchowski Institute of Physics, Jagiellonian University, Kraków, POLAND Pais, D.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND; Paul Scherrer Institut, Villigen, SWITZERLAND Piegsa, F.M.; University of Bern, Albert Einstein Center for Fundamental Physics, University of Bern, Bern, SWITZERLAND Pignol, G.; LPSC, Université Grenoble Alpes, CNRS/IN2P3, Grenoble, FRANCE Rienäcker, I.; Paul Scherrer Institut, Villigen, SWITZERLAND Ries, D.; Paul Scherrer Institut, Villigen, SWITZERLAND Rebreyend, D.; LPSC, Université Grenoble Alpes, CNRS/IN2P3, Grenoble, FRANCE Roccia, S.; LPSC, Université Grenoble Alpes, CNRS/IN2P3, Grenoble, FRANCE Rozpedzik, D.; Marian Smoluchowski Institute of Physics, Jagiellonian University, Cracow, POLAND Saenz-Arevalo, W.; Normandie Université, ENSICAEN, UNICAEN, Centre National de la Recherche Scientifique, LPC Caen, Caen, FRANCE Schmidt-Wellenburg, P.; Paul Scherrer Institut, Villigen, SWITZERLAND Schnabel, Allard; 8.2, Biosignale, PTB-Berlin Segarra, E.P.; Paul Scherrer Institut, Villigen, SWITZERLAND Severijns, N.; Institute for Nuclear and Radiation Physics, KU Leuven, Leuven, BELGIUM Shelton, T.; University of Kentucky, Lexington, USA Svirina, K.; LPSC, Université Grenoble Alpes, CNRS/IN2P3, Grenoble, FRANCE Tavakoli Dinani, R.; Institute for Nuclear and Radiation Physics, KU Leuven, Leuven, BELGIUM Thorne, J.; University of Bern, Albert Einstein Center for Fundamental Physics, University of Bern, Bern, SWITZERLAND Voigt, Jens; 8.2, Biosignale, PTB-Berlin Yazdandoost, N.; Department of Chemistry-TRIGA site, Johannes Gutenberg University, Mainz, GERMANY Zejma, J.; Marian Smoluchowski Institute of Physics, Jagiellonian University, Cracow, POLAND Ziehl, N.; ETH Zürich, Institute for Particle Physics and Astrophysics, Zürich, SWITZERLAND Zsigmond, G.; Paul Scherrer Institut, Villigen, SWITZERLAND
Quelle/Jahr	The European Physical Journal C: 84 (2024), 18, 9 S.
ISSN	1434-6044 (print) ; 1434-6052 (online)
DOI	https://doi.org/10.1140/epjc/s10052-023-12351-8
Verlag	Berlin: Springer
Zusammenfassung	High-precision searches for an electric dipole moment of the neutron (nEDM) require stable and uniform magnetic field environments. We present the recent achievements of degaussing and equilibrating the magnetically shielded room (MSR) for the n2EDM experiment at the Paul Scherrer Institute. We present the final degaussing configuration that will be used for n2EDM after numerous studies. The optimized procedure results in a residual magnetic field that has been reduced by a factor of two. The ultra-low field is achieved with the full magnetic-field-coil system, and a large vacuum vessel installed, both in the MSR. In the inner volume of ~ 1.4 m³., the field is now more uniform and below 300 pT. In addition, the procedure is faster and dissipates less heat into the magnetic environment, which in turn, reduces its thermal relaxation time from 12 h down to 1.5 h.

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Ayres, N., Ban, G., Bison, G., Bodek, K., Bondar, V., Bouillaud, T., Bowles, D., Chanel, E., Chen, W., Chiu, P.-J., Crawford, C., Naviliat-Cuncic, O., Doorenbos, C., Emmenegger, S., Fertl, M., Fratangelo, A., Griffith, W., Grujic, Z., Harris, P., Kirch, K., Kletzl, V., Krempel, J., Lauss, B., Lefort, T., Lejuez, A., Li, R., Mullan, P., Pacura, S., Pais, D., Piegsa, F., Pignol, G., Rienäcker, I., Ries, D., Rebreyend, D., Roccia, S., Rozpedzik, D., Saenz-Arevalo, W., Schmidt-Wellenburg, P., Schnabel, A., Segarra, E., Severijns, N., Shelton, T., Svirina, K., Tavakoli Dinani, R., Thorne, J., Voigt, J., Yazdandoost, N., Zejma, J., Ziehl, N., & Zsigmond, G. (2024). Achieving ultra-low and -uniform residual magnetic fields in a very large magnetically shielded room for fundamental physics experiments. The European Physical Journal C, 84(18), 9 S. https://doi.org/10.1140/epjc/s10052-023-12351-8

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