The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
TY - CONF
AU - Fitterer, M.
AU - De Maria, R.
AU - Fartoukh, S.D.
AU - Giovannozzi, M.
ED - Henderson, Stuart
ED - Akers, Evelyn
ED - Satogata, Todd
ED - Schaa, Volker R.W.
TI - Beam Dynamics Requirements for the Powering Scheme of the HL-LHC Triplet
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 - For the HL-LHC, β^{*} values as small as 15 cm are envisaged as baseline scenario for the high luminosity insertions IR1 and IR5, thus leading to an increase of the maximum beta-functions in the inner triplet (IT). The larger beta-functions in the IT result in a higher sensitivity of the beam to any linear or non-linear, static or dynamic, field imperfections in the IT region. In this paper, we summarize accordingly the tolerances of the triplet power supplies in terms of current ripple, stability and reproducibility. Both the baseline IT powering scheme and other alternative schemes will be presented, the later reducing the tune shift caused by a current modulation and thus weakening its possible impact on the long term stability.
PB - JACoW
CP - Geneva, Switzerland
SP - 2082
EP - 2085
KW - quadrupole
KW - controls
KW - simulation
KW - optics
KW - dynamic-aperture
DA - 2015/06
PY - 2015
SN - 978-3-95450-168-7
DO - 10.18429/JACoW-IPAC2015-TUPTY035
UR - http://jacow.org/ipac2015/papers/tupty035.pdf
ER -