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24 April 2024

» arxiv » 0805.2008

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Beam-profile measurements for the development of storage cells at the ANKE facility of COSY
K. Grigoryev ; F. Rathmann ; R. Engels ; A. Kacharava ; F. Klehr ; B. Lorentz ; M. Mikirtytchiants ; D. Prasuhn ; J. Sarkadi ; H. Seyfarth ; H.J. Stein ; H. Ströher ; A. Vasilyev ;
Date:	14 May 2008
Abstract:	In this paper, we describe a study to determine the transverse profiles of the COSY beam at the target interaction point at ANKE. The vertical and horizontal proton beam profiles were measured at injection energy (45 MeV), and after acceleration on flattop (2.65 GeV). The machine acceptance at 2.65 GeV was determined as well. The information is required to determine the dimensions of a storage cell for the double-polarized experiments with the polarized internal gas target at the ANKE spectrometer. The study resulted in a first storage cell with dimensions of 15mm x 20mm x 390mm (vertical x horizontal x longitudinal), which will provide luminosities of about 2.510^29 cm^-2s^-1 with beams of 10^10 particles stored in COSY.
Source:	arXiv, 0805.2008
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