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TY - CONF
AU - Keintzel, J.
AU - Ishibashi, T.
AU - Koiso, H.
AU - Mitsuka, G.
AU - Morita, A.
AU - Ohmi, K.
AU - Ohnishi, Y.
AU - Sugimoto, H.
AU - Terui, S.
AU - Tobiyama, M.
AU - Tomás García, R.
AU - Yang, R.J.
AU - Zhou, D.
AU - Zimmermann, F.
ED - Liu, Lin
ED - Byrd, John M.
ED - Neuenschwander, Regis T.
ED - Picoreti, Renan
ED - Schaa, Volker R. W.
TI - Impact of Bunch Current on Optics Measurements in SuperKEKB
J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021
CY - Campinas, SP, Brazil
T2 - International Particle Accelerator Conference
T3 - 12
LA - english
AB - SuperKEKB has recently achieved the world record instantaneous luminosity of 2.8 × 10³⁴ \si{cm⁻²s⁻¹} and aims at reaching a target luminosity of about 6 × 10³⁵ \si{cm⁻²s⁻¹}. To accomplish this goal it is planned to increase beam currents up to §I{3.6}{A} and §I{2.6}{A} for the positron and the electron ring, respectively. Increasing the beam currents and, in particular, the number of leptons per bunch, can impact the optics parameters obtained by turn-by-turn measurements, such as the betatron tune or phase advance. Optics measurements performed at various bunch currents can give first indications of possible intensity dependent effects. In this paper, the effect of varying bunch current on optics measurements at SuperKEKB is explored.
PB - JACoW Publishing
CP - Geneva, Switzerland
SP - 1356
EP - 1359
KW - optics
KW - damping
KW - impedance
KW - quadrupole
KW - radiation
DA - 2021/08
PY - 2021
SN - 2673-5490
SN - 978-3-95450-214-1
DO - doi:10.18429/JACoW-IPAC2021-TUPAB010
UR - https://jacow.org/ipac2021/papers/tupab010.pdf
ER -