We report on the progress of the PAX experimental programme since the last PAC meeting. During summer shutdown 2009 four new quadrupole magnets and a modified vacuum system have been installed into the COSY ring to form a section with low β functions. With the successful commissioning of this low-β insertion in January 2010 it has also been discovered that intra-beam scattering effects are likely limiting the beam lifetime. In order to get these effects under control and to improve the lifetime, to commission a new detection system, and to finally perform a first series of spin–filtering measurements with transverse polarisation, we request ten weeks of beam time. Contents

Status Report and Beam-Time Request for COSY experiment #199 Spin–Filtering Studies at COSY

BARION, Luca;BERTELLI, Susanna;CARASSITI, Vittore;CIULLO, Giuseppe;CONTALBRIGO, Marco;COTTA RAMUSINO, Angelo;FERRETTI, Paola;DRAGO, Alessandro;GUIDOBONI, Greta;LENISA, Paolo;PAPPALARDO, Luciano Libero;STANCARI, Giulio;STANCARI, Michelle Dawn;STATERA, Marco;
2010

Abstract

We report on the progress of the PAX experimental programme since the last PAC meeting. During summer shutdown 2009 four new quadrupole magnets and a modified vacuum system have been installed into the COSY ring to form a section with low β functions. With the successful commissioning of this low-β insertion in January 2010 it has also been discovered that intra-beam scattering effects are likely limiting the beam lifetime. In order to get these effects under control and to improve the lifetime, to commission a new detection system, and to finally perform a first series of spin–filtering measurements with transverse polarisation, we request ten weeks of beam time. Contents
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1685952
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