EXPERIMENTAL STUDY OF PROTON-BEAM HALO INDUCED BY BEAM MISMATCH IN LEDA.

Conference · Mon Jan 01 04:00:00 EST 2001

OSTI ID:975500

Allen, C K ^[1]; Chan, K D ^[2]; Crandall, K R ^[3]; Garnett, R W ^[4]; Gilpatrick, J D ^[5]; Lysenko, W P ^[6]; Qiang, J ^[7]; Schneider, J D ^[8]; Sheffield, R L ^[9]; Smith, H V ^[10]; Schulze, M E ^[11]

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1. Christopher K.
2. Kwok-Chi D.
3. Kenneth R.
4. Robert W.
5. John Douglas
6. Walter P.
7. Ji
8. J. David
9. Richard L.
10. Horace V.
11. Martin E.

We report measurements of transverse beam halo in mismatched proton beams in a 52-quadrupole FODO transport channel following the 6.7-MeV LEDA RFQ. Beam profiles in both transverse planes are measured using beam-profile diagnostic devices that consist of a movable carbon filament for measurement of the dense beam core, and scraper plates for measurement of the halo. The gradients of the first four quadrupoles can be independently adjusted to mismatch the RFQ output beam into the beam-transport channel. The properties of the measured mismatched beam profiles in the transport channel will be compared with predictions from multiparticle beam-dynamics simulations.

• Research Organization: Los Alamos National Laboratory
• Sponsoring Organization: DOE
• OSTI ID: 975500
• Report Number(s): LA-UR-01-3033
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ACCELERATORS
BEAM DYNAMICS
BEAM PROFILES
BEAM TRANSPORT
CARBON
PLATES
PROTON BEAMS
QUADRUPOLES
SCRAPERS
TRANSPORT