Beam energy measurements for an experiment on elastic e±p scattering at the VEPP-3 storage ring

被引：3

作者：

Kaminskiy, V. V. ^{[1
,2
]}

Gramolin, A. V. ^{[1
]}

Mishnev, S. I. ^{[1
]}

Muchnoi, N. Yu ^{[1
,3
]}

Neufeld, V. V. ^{[1
]}

Nikolenko, D. M. ^{[1
]}

Rachek, I. A. ^{[1
]}

Toporkov, D. K. ^{[1
,3
]}

Zhilich, V. N. ^{[1
,3
]}

机构：

[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[2] Novosibirsk State Tech Univ, Novosibirsk 630073, Russia

[3] Novosibirsk State Univ, Novosibirsk 630090, Russia

来源：

JOURNAL OF INSTRUMENTATION | 2014年 / 9卷

关键词：

Beam-line instrumentation (beam position and profile monitors; beam-intensity monitors; bunch length monitors); Gamma detectors (scintillators; CZT; HPG; HgI etc); LASER COMPTON-SCATTERING; ELECTRON-ENERGY; BESSY I; 2-PHOTON-EXCHANGE; COLLIDER; PHOTONS; SYSTEM;

D O I：

10.1088/1748-0221/9/06/T06006

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A precise comparison of the cross sections for the elastic scattering of electrons and positrons on protons was performed recently at the VEPP-3 storage ring in Novosibirsk, Russia. To provide the proposed accuracy, the energies of the electron and positron beams used during the experiment needed to be carefully maintained. This paper describes the special beam energy measurement system used in this experiment. This system is based on measuring the maximum energy of laser photons backscattered from electron and positron beams. It provides continuous beam energy measurements with a total relative uncertainty of less than 4.4 . 10(-5).

引用

页数：13

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