Radial compression of an antiproton cloud for production of intense antiproton beams.
We report here the radial compression of a large number of antiprotons ( approximately 5 x 10(5)) in a strong magnetic field under ultrahigh vacuum conditions by applying a rotating electric field. Compression without any resonant structures was demonstrated for a range of frequencies from the sideband frequency of 200 kHz to more than 1000 kHz. The radial compression achieved is a key technique for synthesizing and manipulating antihydrogen atoms and antiprotonic atoms.
Atomic Physics Laboratory, RIKEN, Wako-shi, Saitama 351-0198, Japan.
N
N
Kuroda
H A
HA
Torii
M
M
Shibata
Y
Y
Nagata
D
D
Barna
M
M
Hori
D
D
Horváth
A
A
Mohri
J
J
Eades
K
K
Komaki
Y
Y
Yamazaki