Speaker
Ubaldo Iriso
(ALBA-CELLS Synchrotron)
Description
ALBA is undergoing a lattice upgrade to transform its current storage ring into a 4th generation light source, reducing emittance to the 200pm·rad level. Under these conditions, the Touschek lifetime becomes a significant operational limitation. To address this, various methods to increase the beam coupling, thereby enhancing the Touschek lifetime, are being investigated. This report summarizes the tests conducted at ALBA aimed to increase the vertical emittance and reach up round beam conditions. The tests involve different AC beam excitation methods: vertical dipolar excitation using either white noise or the synchro-betatron sideband (Qv + Qs), and skew quadrupole excitation at the tunes difference (Qx - Qy).
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Primary author
Ubaldo Iriso
(ALBA-CELLS Synchrotron)
Co-authors
Gabriele Benedetti
(ALBA-CELLS Synchrotron)
Laura Torino
(ALBA-CELLS Synchrotron)
Michele Carlà
(ALBA-CELLS Synchrotron)
Zeus Martí
(ALBA-CELLS Synchrotron)
