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arXiv · 1506.07559

Simulation of Crab Waist Collisions In DA{\Phi}NE With KLOE-2 Interaction Region

Mikhail Zobov·Alexander Valishev·Dmitry Shatilov·Catia Milardi·Antonio De Santis·Alessandro Drago·Alessandro Gallo
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Abstract

After the successful completion of the SIDDHARTA experiment run with crab waist collisions, the electron- positron collider DA{\Phi}NE has started routine operations for the KLOE-2 detector. The new interaction region also exploits the crab waist collision scheme, but features certain complications including the experimental detector solenoid, compensating anti-solenoids, and tilted quadrupole magnets. We have performed simulations of the beam-beam collisions in the collider taking into account the real DA{\Phi}NE nonlinear lattice. In particular, we have evaluated the effect of crab waist sextupoles and beam-beam interactions on the DA{\Phi}NE dynamical aperture and energy acceptance, and estimated the luminosity that can be potentially achieved with and without crab waist sextupoles in the present working conditions. A numerical analysis has been performed in order to propose possible steps for further luminosity increase in DA{\Phi}NE such as a better working point choice, crab sextupole strength optimization, correction of the phase advance between the sextupoles and the interaction region. The proposed change of the e- ring working point was implemented and resulted in a significant performance increase.

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Mikhail Zobov, Alexander Valishev, Dmitry Shatilov, Catia Milardi, Antonio De Santis, Alessandro Drago, Alessandro Gallo. 2015-06-24. Simulation of Crab Waist Collisions In DA{\Phi}NE With KLOE-2 Interaction Region. https://doi.org/10.1109/tns.2016.2536439

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