A.G.Afonin

D.Trbojevic

D.Vincenzi

E.F.Troyanov

G.Martinelli

M.B.H.Breese

M.Stefancich

V.Guidi

V.I.Kotov

V.I.Terekhov

V.M.Biryukov

V.N.Chepegin

V.T.Baranov

W.Scandale

Yu.A.Chesnokov

Yu.M.Ivanov

We report progress achieved in crystal-assisted slow extraction and collimation of the 70-GeV
proton beam in the U-70 accelerator at IHEP-Protvino. We recently obtained an extraction
efficiency of 85.3±2.8% for a beam of ∼1012 proton directed towards very short crystals
of ∼2 mm length in spills of ∼2 s duration. The experimental data follow very well the
theoretical predictions obtained with Monte Carlo simulations. This success is important to
devise a more efficient use of the U-70 accelerator in Protvino and suggests a possible way
of implementingcrystal-assisted slow extraction and collimation in other machines, such as
the Tevatron, RHIC, the AGS, the SNS, COSY, and the LHC

Y.u. A. Chesnokov

A. G. Afonin

V. T. Baranov

V. M. Biryukov

V. N. Chepegin

V. I. Kotov

V. I. Terekhov

E. F. Troyanov

GUIDI, Vincenzo

MARTINELLI, Giuliano

STEFANCICH, Marco

VINCENZI, Donato

Y.u. M. Ivanov

D. Trbojevic

W. Scandale

M. B. H. Breese

Archivio istituzionale della ricerca - Università di Ferrara

Progess of Crystal Channeling Technique for Beam Extraction and Collimation at IHEP

Progess of Crystal Channeling Technique for Beam Extraction and Collimation at IHEP

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Archivio istituzionale della ricerca - Università di Ferrara