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arxiv: 2403.09268 · v2 · pith:YP53JVTWnew · submitted 2024-03-14 · ⚛️ physics.acc-ph · hep-ex· nucl-ex

Injection and capture of antiprotons in a Penning-Malmberg trap using a drift tube accelerator and degrader foil

C. Amsler , H. Breuker , M. Bumbar , S. Chesnevskaya , G. Costantini , R. Ferragut , M. Giammarchi , A. Gligorova
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G. Gosta H. Higaki M. Hori E.D. Hunter C. Killian V. Kraxberger N. Kuroda A. Lanz M. Leali G. Maero C. Malbrunot V. Mascagna Y. Matsuda V. Maeckel S. Migliorati D.J. Murtagh Y. Nagata A. Nanda L. Nowak M. Rome M.C. Simon M. Tajima V. Toso S. Ulmer L. Venturelli A. Weiser E. Widmann Y. Yamazaki
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classification ⚛️ physics.acc-ph hep-exnucl-ex
keywords antiprotonenergyantiprotonscerndeceleratordegraderdriftinjection
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The Antiproton Decelerator (AD) at CERN provides antiproton bunches with a kinetic energy of 5.3 MeV. The Extra-Low ENergy Antiproton ring at CERN, commissioned at the AD in 2018, now supplies a bunch of electron-cooled antiprotons at a fixed energy of 100 keV. The MUSASHI antiproton trap was upgraded by replacing the radio-frequency quadrupole decelerator with a pulsed drift tube to re-accelerate antiprotons and optimize the injection energy into the degrader foils. By increasing the beam energy to 119 keV, a cooled antiproton accumulation efficiency of (26 +- 6)% was achieved.

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