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RIS citation export for THPSC052: The Longitudinal Broadband Impedance and Energy Spread Measurements at VEPP-4M

TY - CONF
AU - Borin, V.M.
AU - Dorokhov, V.L.
AU - Kiselev, V.A.
AU - Kurkin, G.Y.
AU - Meshkov, O.I.
AU - Nikitin, S.A.
AU - Skamarokha, M.A.
ED - Kuzin, Maxim
ED - Schaa, Volker RW
TI - The Longitudinal Broadband Impedance and Energy Spread Measurements at VEPP-4M
J2 - Proc. of RuPAC2016, St. Petersburg, Russia, November 21-25, 2016
C1 - St. Petersburg, Russia
T2 - Russian Particle Accelerator Conference
T3 - 25
LA - english
AB - The paper presents studies of the longitudinal broadband impedance of VEPP-4M and measurements of its bunch energy spread at different energies in range of 1.45 - 3.5 GeV. In order to measure the longitudinal bunch size at different currents we used PS-1/S1 streak camera with picosecond temporal resolution. Considering that influence of collective effects is negligible at low currents we determined bunch energy spread from its length at low currents. Collected bunch length data demonstrate microwave instability thresholds and potential well distortion lengthening. Potential well distortion was studied at 3 GeV and 3.5 GeV. Measured potential well distortion lengthening was used to estimate a value of the reactive part of the longitudinal impedance. Observed microwave instability thresholds was used to measure the value of broadband impedance. Measured value of the VEPP-4M is 7.9 ± 1.5 Ohm.
PB - JACoW
CP - Geneva, Switzerland
SP - 650
EP - 652
KW - impedance
KW - synchrotron
KW - damping
KW - scattering
KW - electron
DA - 2017/02
PY - 2017
SN - 978-3-95450-181-6
DO - 10.18429/JACoW-RuPAC2016-THPSC052
UR - http://jacow.org/rupac2016/papers/thpsc052.pdf
ER -