Beam-beam studies for Super Proton-Proton Collider

分類加速器物理セミナー
開始2017/11/24(金)13:30
終了2017/11/24(金)15:00
会場3号館7階会議室
講演タイトル
講演者Wang Lijiao氏 (IHEP)
言語英語/English
連絡先大見 和史 (PHS 4413)
ウェブサイト
食堂・売店利用予定なし/0

概要

In China, a two-stage circular collider project, CEPC-SPPC has been proposed. The first stage, CEPC (Circular Electron Positron Collier, a so-called Higgs factory) is focused on the Higgs physics, and the second stage, SPPC (Super Proton-Proton Collider) will be an energy frontier collider and a discovery machine.
Luminosity is a key factor for any particle-physics colliders. With the increasing bunch population, beam-beam interaction is increasingly become the limit factor of luminosity improvement. The finite crossing angle scheme is considered.
Long-range interaction is another significant source of luminosity degrade. In this report, we first don't consider long-range interactions. We study luminosity degrade with crossing angle and without crossing angle for horizontal crossing and horizontal-vertical crossing. Second we discuss luminosity decay with long-range interactions for horizontal crossing and horizontal-vertical crossing. Finally the resulting beam-beam limit will be concluded for SPPC.

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