Title of article
The beam energy measurement system for the Beijing electron–positron collider
Author/Authors
Abakumova، نويسنده , , E.V. and Achasov، نويسنده , , M.N. and Blinov، نويسنده , , V.E. and Cai، نويسنده , , X. and Dong، نويسنده , , H.Y. and Fu، نويسنده , , C.D. and Harris، نويسنده , , F.A. and Kaminsky، نويسنده , , V.V. and Krasnov، نويسنده , , A.A. and Liu، نويسنده , , Q. and Mo، نويسنده , , X.H. and Muchnoi، نويسنده , , Yu.A. NikolaeV، نويسنده , , I.B. and Qin، نويسنده , , Q. and Qu، نويسنده , , H.M. and Olsen، نويسنده , , S.L. and Py، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2011
Pages
9
From page
21
To page
29
Abstract
The beam energy measurement system (BEMS) for the upgraded Beijing electron–positron collider BEPC-II is described. The system is based on measuring the energies of Compton back-scattered photons. The relative systematic uncertainty of the electron and positron beam energy determination is estimated as 2×10−5. The relative uncertainty of the beamʹs energy spread is about 6%.
Keywords
Beam energy calibration , Collider BEPC-II , ? - charm factory , Compton backscattering
Journal title
Nuclear Instruments and Methods in Physics Research Section A
Serial Year
2011
Journal title
Nuclear Instruments and Methods in Physics Research Section A
Record number
2205216
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