How to Reach a Thousand-Second in-Plane Polarization Lifetime with 0.97-GeV/c Deuterons in a Storage Ring

JEDI Collaboration, P. Maanen, G. Macharashvili, A. Magiera, R. Maier, K. Makino, B. Mariański, D. McHedlishvili, U.-G. Meißner, S. Mey, W. Morse, F. Müller, A. Nass, G. Natour, N. Nikolaev, M. Nioradze, K. Nowakowski, Y. Orlov, A. Pesce, D. PrasuhnJ. Pretz, F. Rathmann, J. Ritman, M. Rosenthal, Z. Rudy, A. Saleev, T. Sefzick, Y. Semertzidis, Y. Senichev, V. Shmakova, A. Silenko, M. Simon, J. Slim, H. Soltner, A. Stahl, R. Stassen, M. Statera, H. Stockhorst, H. Straatmann, H. Ströher, M. Tabidze, R. Talman, Engblom P. Thörngren , F. Trinkel, A. Trzciński, Y. Uzikov, Y. Valdau, E. Valetov, A. Vassiliev, C. Weidemann, C. Wilkin, A. Wrońska, P. Wüstner, M. Zakrzewska, P. Zuprański, D. Zyuzin

Research output

36 Citations (Scopus)

Abstract

We observe a deuteron beam polarization lifetime near 1000 s in the horizontal plane of a magnetic storage ring (COSY). This long spin coherence time is maintained through a combination of beam bunching, electron cooling, sextupole field corrections, and the suppression of collective effects through beam current limits. This record lifetime is required for a storage ring search for an intrinsic electric dipole moment on the deuteron at a statistical sensitivity level approaching 10-29 e cm.

Original languageEnglish
Article number054801
JournalPhysical Review Letters
Volume117
Issue number5
DOIs
Publication statusPublished - 28 Jul 2016

Scopus subject areas

  • Physics and Astronomy(all)

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