A new beam polarimeter at COSY to search for electric dipole moments of charged particles
- Müller, Frank
- Javakhishvili, Otari
- Canale, N.
- Ciullo, G.
- Dymov, S.
- Felden, O.
- Gagoshidze, M.
- Gebel, R.
- Demary, N.
- Grigoryev, K.
- Grzonka, D.
- Hahnraths, T.
- Shergelashvili, D.
- Hejny, V.
- Kacharava, A.
- Kamerdzhiev, V.
- Karanth, S.
- Kulikov, A.
- Lehrach, A.
- Lenisa, P.
- Lomidze, N.
- Lorentz, B.
- Macharashvili, G.
- Keshelashvili, Irakli
- Magiera, A.
- Metreveli, Z.
- Nass, A.
- Nikolaev, N. N.
- Nioradze, M.
- Pesce, A.
- Poncza, Vera
- Prasuhn, D.
- Pretz, J.
- Rathmann, F.
- Mchedlishvili, D.
- Saleev, A.
- Sefzick, T.
- Senichev, Yu.
- Shmakova, Vera
- Slim, J.
- Soltner, H.
- Stephenson, E.
- Ströher, H.
- Tabidze, M.
- Tagliente, G.
- Abusaif, F.
- Uzikov, Yu.
- Valdau, Yu.
- Wagner, T.
- Wrońska, A.
- Wüstner, P.
- Zurek, Maria
- Aggarwal, A.
- Barion, L.
- Basile, S.
- Böker, J.
DOIAbstract
A calorimetric polarimeter based on inorganic LYSO scintillators is described. It has been designed for use in a storage ring to search for electric dipole moments (EDM) of charged particles such as the proton and deuteron. Its development and first use was on the Cooler Synchrotron (COSY) at the Forschungszentrum Jülich with 0.97 GeV/c polarized deuterons, a particle and energy suitable for an EDM search. The search requires a polarimeter with high efficiency, large analyzing power, and stable operating characteristics. With typical beam momenta of about 1 GeV/c, the scattering of protons or deuterons from a carbon target into forward angles becomes a nearly optimal choice of an analyzing reaction. The polarimeter described here consists o...
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