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Performance of the MORA Apparatus for Testing Time-Reversal Invariance in Nuclear Beta Decay

Fuente: arXiv

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Autori principali:	Goyal, N., Singh, A., Daumas-Tschopp, S., Martinez, L. M. Motilla, Ban, G., Bosquet, V., Cam, J. F., Chauveau, P., Chinthakayala, S., Fremont, G., De Groote, R. P., Santos, F. de Oliveira, Eronen, T., Falkowski, A., Flechard, X., Ge, Z., Gonzalez-Alonso, M., Guerin, H., Hayen, L., Jaries, A., Jbayli, M., Jokinen, A., Kankainen, A., Kootte, B., Kronholm, R., Lecesne, N., Merrer, Y., Morel, V., Mougeot, M., Neyens, G., Perronnel, J., Reponen, M., Raggio, A., Rinta-Antila, S., Rodriguez-Sanchez, A., Severijns, N., Thomas, J. C., Vandamme, C., Vanlangendonk, S., Virtanen, V., Lienard, E., Moore, I. D., Delahaye, P.
Natura:	Preprint
Pubblicazione:	2025
Soggetti:	Instrumentation and Detectors Nuclear Experiment
Accesso online:	Acceder al recurso
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_version_	1866916705081491456
author	Goyal, N. Singh, A. Daumas-Tschopp, S. Martinez, L. M. Motilla Ban, G. Bosquet, V. Cam, J. F. Chauveau, P. Chinthakayala, S. Fremont, G. De Groote, R. P. Santos, F. de Oliveira Eronen, T. Falkowski, A. Flechard, X. Ge, Z. Gonzalez-Alonso, M. Guerin, H. Hayen, L. Jaries, A. Jbayli, M. Jokinen, A. Kankainen, A. Kootte, B. Kronholm, R. Lecesne, N. Merrer, Y. Morel, V. Mougeot, M. Neyens, G. Perronnel, J. Reponen, M. Raggio, A. Rinta-Antila, S. Rodriguez-Sanchez, A. Severijns, N. Thomas, J. C. Vandamme, C. Vanlangendonk, S. Virtanen, V. Lienard, E. Moore, I. D. Delahaye, P.
author_facet	Goyal, N. Singh, A. Daumas-Tschopp, S. Martinez, L. M. Motilla Ban, G. Bosquet, V. Cam, J. F. Chauveau, P. Chinthakayala, S. Fremont, G. De Groote, R. P. Santos, F. de Oliveira Eronen, T. Falkowski, A. Flechard, X. Ge, Z. Gonzalez-Alonso, M. Guerin, H. Hayen, L. Jaries, A. Jbayli, M. Jokinen, A. Kankainen, A. Kootte, B. Kronholm, R. Lecesne, N. Merrer, Y. Morel, V. Mougeot, M. Neyens, G. Perronnel, J. Reponen, M. Raggio, A. Rinta-Antila, S. Rodriguez-Sanchez, A. Severijns, N. Thomas, J. C. Vandamme, C. Vanlangendonk, S. Virtanen, V. Lienard, E. Moore, I. D. Delahaye, P.
contents	The MORA experimental setup is designed to measure the triple-correlation D parameter in nuclear beta decay. The D coefficient is sensitive to possible violations of time-reversal invariance. The experimental configuration consists of a transparent Paul trap surrounded by a detection setup with alternating beta and recoil-ion detectors. The octagonal symmetry of the detection setup optimizes the sensitivity of positron-recoil-ion coincidence rates to the D correlation, while reducing systematic effects. MORA utilizes an innovative in-trap laser polarization technique. The design and performance of the ion trap, associated beamline elements, lasers and beta and recoil-ion detectors, are presented. Recent progress towards the polarization proof-of-principle is described.
format	Preprint
id	arxiv_https___arxiv_org_abs_2504_16957
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Performance of the MORA Apparatus for Testing Time-Reversal Invariance in Nuclear Beta Decay Goyal, N. Singh, A. Daumas-Tschopp, S. Martinez, L. M. Motilla Ban, G. Bosquet, V. Cam, J. F. Chauveau, P. Chinthakayala, S. Fremont, G. De Groote, R. P. Santos, F. de Oliveira Eronen, T. Falkowski, A. Flechard, X. Ge, Z. Gonzalez-Alonso, M. Guerin, H. Hayen, L. Jaries, A. Jbayli, M. Jokinen, A. Kankainen, A. Kootte, B. Kronholm, R. Lecesne, N. Merrer, Y. Morel, V. Mougeot, M. Neyens, G. Perronnel, J. Reponen, M. Raggio, A. Rinta-Antila, S. Rodriguez-Sanchez, A. Severijns, N. Thomas, J. C. Vandamme, C. Vanlangendonk, S. Virtanen, V. Lienard, E. Moore, I. D. Delahaye, P. Instrumentation and Detectors Nuclear Experiment The MORA experimental setup is designed to measure the triple-correlation D parameter in nuclear beta decay. The D coefficient is sensitive to possible violations of time-reversal invariance. The experimental configuration consists of a transparent Paul trap surrounded by a detection setup with alternating beta and recoil-ion detectors. The octagonal symmetry of the detection setup optimizes the sensitivity of positron-recoil-ion coincidence rates to the D correlation, while reducing systematic effects. MORA utilizes an innovative in-trap laser polarization technique. The design and performance of the ion trap, associated beamline elements, lasers and beta and recoil-ion detectors, are presented. Recent progress towards the polarization proof-of-principle is described.
title	Performance of the MORA Apparatus for Testing Time-Reversal Invariance in Nuclear Beta Decay
topic	Instrumentation and Detectors Nuclear Experiment
url	https://arxiv.org/abs/2504.16957