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Author (up) Goyal, N. et al; Gonzalez-Alonso, M.; Rodriguez-Sanchez, A. url  doi
openurl 
  Title Performance of the MORA apparatus for testing time-reversal invariance in nuclear beta decay Type Journal Article
  Year 2025 Publication European Physical Journal A Abbreviated Journal Eur. Phys. J. A  
  Volume 61 Issue 10 Pages 221 - 20pp  
  Keywords  
  Abstract The MORA experimental setup is designed to measure the triple-correlation D parameter in the nuclear beta decay of trapped and polarized 23Mg+ and 39Ca+ ions. The D coefficient is sensitive to potential violations of time-reversal invariance – and, via the CPT theorem, to CP violation. 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 and associated optics, lasers and beta and detection system are presented. The recent experimental demonstration of the polarization technique is described.  
  Address [Goyal, N.; Singh, A.; Motilla Martinez, L. M.; Chauveau, P.; Chinthakayala, S.; Fremont, G.; de Oliveira Santos, F.; Guerin, H.; Jbayli, M.; Lecesne, N.; Morel, V.; Thomas, J. C.; Delahaye, P.] CNRS, GANIL, CEA, IN2P3,DRF, Bd H Becquerel, F-14076 Caen, France, Email: pierre.delahaye@ganil.fr  
  Corporate Author Thesis  
  Publisher Springer Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1434-6001 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:001585275900002 Approved no  
  Is ISI yes International Collaboration yes  
  Call Number IFIC @ pastor @ Serial 6875  
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