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TY - CONF AU - Bassi, G. AU - Blednykh, A. AU - Choi, J. AU - Smaluk, V.V. ED - Henderson, Stuart ED - Akers, Evelyn ED - Satogata, Todd ED - Schaa, Volker R.W. TI - Decoherence due to Second Order Chromaticity in the NSLS-II Storage Ring J2 - Proc. of IPAC2015, Richmond, VA, USA, May 3-8, 2015 C1 - Richmond, VA, USA T2 - International Particle Accelerator Conference T3 - 6 LA - english AB - We study decoherence effects due to second order chromaticity for small amplitude kicks, in order to estimate the energy spread from TbT data of the NSLS-II storage ring. The bare lattice case (no Damping Wigglers and Insertion devices) has been considered, due to the long transverse radiation damping time. To minimize the chromatic damping/antidamping from the slow-head tail effect, we used a short train of bunches distributed over consecutive rf-buckets with a high enough average current to obtain a good BPM signal. The vertical and horizontal betatron motion have been excited independently with pinger magnets. In this contribution we limit the discussion to the horizontal case. PB - JACoW CP - Geneva, Switzerland SP - 737 EP - 739 KW - betatron KW - synchrotron KW - storage-ring KW - damping KW - lattice DA - 2015/06 PY - 2015 SN - 978-3-95450-168-7 DO - 10.18429/JACoW-IPAC2015-MOPMN016 UR - http://jacow.org/ipac2015/papers/mopmn016.pdf ER -