PoS - Proceedings of Science
Volume 433 - 19th Workshop on Polarized Sources, Targets and Polarimetry (PSTP2022) - Session 14
Storage Cell Tests for the Polarized Target at LHCb
R. Engels*, O. Bilen, K. Grigoryev  on behalf of the LHCspin collaboration
Full text: pdf
Pre-published on: March 31, 2023
Published on: August 04, 2023
T-shape cells fed with polarized hydrogen or deuterium atoms have been implemented in several storage rings like COSY, DESY or IUCF as polarized internal targets. To inhibit polarization losses of the stored atoms, e.g. by recombination into molecules, different solutions have been adopted for the surface materials. For example, aluminum with its ceramic monolayer of aluminum oxide on top, Teflon or a water ice surface are successfully used. These surface materials are not allowed for the coming polarized storage cell target at LHCb as not compatible with the vacuum system or because of beam interactions. The only allowed material is amorphous carbon coating, but exists so far no experience about possible depolarization effects. For this reason experiments to investigate the recombination rate of polarized hydrogen atoms and the polarization preservation are under way at the research center in Jülich.
DOI: https://doi.org/10.22323/1.433.0036
How to cite

Metadata are provided both in "article" format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in "proceeding" format which is more detailed and complete.

Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.