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RIS citation export for THPAK099: The Influence of Higher Order Multipoles of IR Magnets on Luminosity for SuperKEKB


TY  - CONF
AU  - Hirosawa, K.
AU  - Kuroo, N.
AU  - Ohmi, K.
AU  - Ohuchi, N.
AU  - Okada, T.
AU  - Zhou, D.
ED  - Koscielniak, Shane
ED  - Satogata, Todd
ED  - Schaa, Volker RW
ED  - Thomson, Jana
TI  - The Influence of Higher Order Multipoles of IR Magnets on Luminosity for SuperKEKB
J2  - Proc. of IPAC2018, Vancouver, BC, Canada, 29 April-04 May 2018
CY  - Vancouver, BC, Canada
T2  - International Particle Accelerator Conference
T3  - 9
LA  - english
AB  - SuperKEKB is an electron-positron circular collider upgraded from KEKB. To reach higher luminosity, values of beta are extremely small at Interaction Point. Although magnets in interaction region have a very strong focusing effect, they make a large disturbance to beams. Higher order multipoles and their skew components of magnetic fields of IR magnets are located at a very high beta section with pi/2 phase difference from IP. These multipoles can give critical effect to beam dynamics at interaction point and reduce luminosity on SuperKEKB design. In this study, we calculated beam dynamics for effect of skew components for multipole magnet, and estimated the influence on luminosity by them.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 3463
EP  - 3465
KW  - sextupole
KW  - luminosity
KW  - multipole
KW  - octupole
KW  - coupling
DA  - 2018/06
PY  - 2018
SN  - 978-3-95450-184-7
DO  - DOI: 10.18429/JACoW-IPAC2018-THPAK099
UR  - http://jacow.org/ipac2018/papers/thpak099.pdf
ER  -