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Chinese Physics C> 2016, Vol. 40> Issue(7) : 076001 DOI: 10.1088/1674-1137/40/7/076001

Upgrade of beam energy measurement system at BEPC-Ⅱ

  • The beam energy measurement system is of great importance for both BEPC-Ⅱ accelerator and BES-Ⅲ detector. The system is based on measuring the energies of Compton back-scattered photons. In order to meet the requirements of data taking and improve the measurement accuracy, the system has continued to be upgraded, which involves the updating of laser and optics subsystems, replacement of a view-port of the laser to the vacuum insertion subsystem, the use of an electric cooling system for a high purity germanium detector, and improvement of the data acquisition and processing subsystem. The upgrade system guarantees the smooth and efficient measurement of beam energy at BEPC-Ⅱ and enables accurate offline energy values for further physics analysis at BES-Ⅲ.

  • References

    [1] Q.Qin, Z.Duan, N.Huang et al, Beam Dynamic Issues in the BEPCII Luminosity Comissioning, in Proceedings of IPAC'10, Kyoto, Japan, p.1560
    [2] M. Ablikim et al(BESIII Collaboration), Nucl. Instrum. Methods A 614:345(2010)
    [3] CHAO Kuang-Ta, WANG YI-FANG, Internation Journal of Modern Physics A (Suppl. Issue 1),24:1(2009)
    [4] C.D. Fu, X.H. Mo, Chin. Phys. C, 32:776(2008)
    [5] X.H. Mo, Nucl. Phys. B (Proc. Suppl.), 169:132(2007)
    [6] Y.K. Wang, X.H. Mo, C.Z. Yuan et al, Nucl. Instrum. Methods A, 583:479(2007)
    [7] M.N. Achasov, V.E. Blinov, A.V. Bogomyagkova et al, Nucl. Phys. B (Proc. Suppl.) 189:366-370(2009)
    [8] X.H. Mo, E.V. Abakumova, M.N. Achasov et al, Chin. Phys. C, 34:912-917(2010)
    [9] E.V. Abakumova M.N. Achasov, V.E. Blinov et al, Nucl. Instrum. Methods A 659:21-29(2011)
    [10] J.Y. Zhang, E.V. Abakumovab, M.N. Achasov et al, Nucl Phys B (Proc. Suppl.) 225-227:309-314(2012)
    [11] M.Ablikim et al (BESIII Collaboration), Phys. Rev. D 90:012001(2014)
    [12] X.H. Mo, C.D. Fu, J.Y. Zhang et al, Chin. Phys. C, 32:995(2008)
    [13] C.K.N. Patel, Phys. Rev. 136(5A):1187(1964)
    [14] E.V. Abakumova, M.N. Achasov, A.A. Krasnov et al, JINST 10(09):T09001(2015)
    [15] E. Abakumova, M.N. Achasov, H.Y. Dong et al, Physics Procedia 32:753(2012)
    [16] M.N. Achasova, N.Yu. Muchnoi, arXiv:1404.2094v1
    [17] Knoll G.F. Radiaiton of detectrion and measurement, John Wiley Sons, New York, 1979
    [18] User's Manual, X-Cooler Ⅱ Mechanical Cooler for HPGe Detector, ORTEC
    [19] Solid-State Photon Detector Operators Manual, GEM series-HPGe coaxial detector system, ORTEC
    [20] J.Y. Zhang, X. Cai, X.H. Mo, Detection, 1:13-20(2013)
    [21] Grigorescu E.L. et al, Proceedings of the Conference on Radionuclide Metrology and its A pplications, ICRM'01, 56(1-2):435-439(2002)
    [22] Q.L. Yang, Journal of Nuclear and Radiochemistry, 34(4):223-228(2012)
    [23] X.H. Mo, J.Y. Zhang, Q.J. Zhang et al, Chin. Phys. C, 35(7):642-655(2011)
    [24] X.H. Mo, J.Y. Zhang, T.B. Zhang et al, Chin. Phys. C, 33(10):914-921(2009)
    [25] M.N. Achasov, C.D. Fu, X.H. Mo et al, arXiv:0804.0159
    [26] Mo Xiao-hu, Chin. Phys. C, 38(10):106203(2014)
    [27] P.F.A. Alkemade, C. Alderliesten, P. De Wit ea al, Nucl. Instrum. Methods A 197(2-3):383-390(1982)
    [28] E.G. Kessler, M.S. Dewey, R.D. Deslattes et al, Phys. Lett. A, 255:221-229(1999)
    [29] Database of Prompt Gamma Rays from Slow Neutron Capture for Elemental Analysis. STI/PUB/1263, 251 pp.,(2007) ISBN 92-0-101306-X, English
    [30] E.V. Abakumova, M.N. Achasov, D.E. Berkaeva et al, Nucl. Instrum. Methods A, 774:35-40(2014)

  • References

    [1] Q.Qin, Z.Duan, N.Huang et al, Beam Dynamic Issues in the BEPCII Luminosity Comissioning, in Proceedings of IPAC'10, Kyoto, Japan, p.1560
    [2] M. Ablikim et al(BESIII Collaboration), Nucl. Instrum. Methods A 614:345(2010)
    [3] CHAO Kuang-Ta, WANG YI-FANG, Internation Journal of Modern Physics A (Suppl. Issue 1),24:1(2009)
    [4] C.D. Fu, X.H. Mo, Chin. Phys. C, 32:776(2008)
    [5] X.H. Mo, Nucl. Phys. B (Proc. Suppl.), 169:132(2007)
    [6] Y.K. Wang, X.H. Mo, C.Z. Yuan et al, Nucl. Instrum. Methods A, 583:479(2007)
    [7] M.N. Achasov, V.E. Blinov, A.V. Bogomyagkova et al, Nucl. Phys. B (Proc. Suppl.) 189:366-370(2009)
    [8] X.H. Mo, E.V. Abakumova, M.N. Achasov et al, Chin. Phys. C, 34:912-917(2010)
    [9] E.V. Abakumova M.N. Achasov, V.E. Blinov et al, Nucl. Instrum. Methods A 659:21-29(2011)
    [10] J.Y. Zhang, E.V. Abakumovab, M.N. Achasov et al, Nucl Phys B (Proc. Suppl.) 225-227:309-314(2012)
    [11] M.Ablikim et al (BESIII Collaboration), Phys. Rev. D 90:012001(2014)
    [12] X.H. Mo, C.D. Fu, J.Y. Zhang et al, Chin. Phys. C, 32:995(2008)
    [13] C.K.N. Patel, Phys. Rev. 136(5A):1187(1964)
    [14] E.V. Abakumova, M.N. Achasov, A.A. Krasnov et al, JINST 10(09):T09001(2015)
    [15] E. Abakumova, M.N. Achasov, H.Y. Dong et al, Physics Procedia 32:753(2012)
    [16] M.N. Achasova, N.Yu. Muchnoi, arXiv:1404.2094v1
    [17] Knoll G.F. Radiaiton of detectrion and measurement, John Wiley Sons, New York, 1979
    [18] User's Manual, X-Cooler Ⅱ Mechanical Cooler for HPGe Detector, ORTEC
    [19] Solid-State Photon Detector Operators Manual, GEM series-HPGe coaxial detector system, ORTEC
    [20] J.Y. Zhang, X. Cai, X.H. Mo, Detection, 1:13-20(2013)
    [21] Grigorescu E.L. et al, Proceedings of the Conference on Radionuclide Metrology and its A pplications, ICRM'01, 56(1-2):435-439(2002)
    [22] Q.L. Yang, Journal of Nuclear and Radiochemistry, 34(4):223-228(2012)
    [23] X.H. Mo, J.Y. Zhang, Q.J. Zhang et al, Chin. Phys. C, 35(7):642-655(2011)
    [24] X.H. Mo, J.Y. Zhang, T.B. Zhang et al, Chin. Phys. C, 33(10):914-921(2009)
    [25] M.N. Achasov, C.D. Fu, X.H. Mo et al, arXiv:0804.0159
    [26] Mo Xiao-hu, Chin. Phys. C, 38(10):106203(2014)
    [27] P.F.A. Alkemade, C. Alderliesten, P. De Wit ea al, Nucl. Instrum. Methods A 197(2-3):383-390(1982)
    [28] E.G. Kessler, M.S. Dewey, R.D. Deslattes et al, Phys. Lett. A, 255:221-229(1999)
    [29] Database of Prompt Gamma Rays from Slow Neutron Capture for Elemental Analysis. STI/PUB/1263, 251 pp.,(2007) ISBN 92-0-101306-X, English
    [30] E.V. Abakumova, M.N. Achasov, D.E. Berkaeva et al, Nucl. Instrum. Methods A, 774:35-40(2014)

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Jian-Yong Zhang, Xiao Cai, Xiao-Hu Mo, Di-Zhou Guo, Jian-Li Wang, Bai-Qi Liu, M. N. Achasov, A. A. Krasnov, N. Yu. Muchnoi, E. E. Pyata, E. V. Mamoshkina and F. A. Harris. Upgrade of beam energy measurement system at BEPC-Ⅱ[J]. Chinese Physics C, 2016, 40(7): 076001. doi: 10.1088/1674-1137/40/7/076001
Jian-Yong Zhang, Xiao Cai, Xiao-Hu Mo, Di-Zhou Guo, Jian-Li Wang, Bai-Qi Liu, M. N. Achasov, A. A. Krasnov, N. Yu. Muchnoi, E. E. Pyata, E. V. Mamoshkina and F. A. Harris. Upgrade of beam energy measurement system at BEPC-Ⅱ[J]. Chinese Physics C, 2016, 40(7): 076001.  doi: 10.1088/1674-1137/40/7/076001 shu
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Received: 2015-10-27
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    Supported in part by National Natural Science Foundation of China (NSFC)(11375206, 10775142, 10825524, 11125525, 11235011), the Ministry of Science and Technology of China (2015CB856700, 2015CB856705), State key laboratory of particle and detection and electronics

    and the CAS Center for Excellence in Particle Physics (CCEPP)

    the RFBR grant(14-02-00129-a), U.S. Department of Energy (DE-FG02-04ER41291, DE-FG02-05ER41374, DE-FG02-94ER40823, DESC0010118), U.S. National Science Foundation, part of this work related to the design of ZnSe viewports is supported by the Russian Science Foundation (14-50-00080)

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Upgrade of beam energy measurement system at BEPC-Ⅱ

    Corresponding author: Jian-Yong Zhang,
    Corresponding author: Xiao-Hu Mo,
  • Received Date: 2015-10-27
  • Available Online: 2016-07-05
Fund Project:  Supported in part by National Natural Science Foundation of China (NSFC)(11375206, 10775142, 10825524, 11125525, 11235011), the Ministry of Science and Technology of China (2015CB856700, 2015CB856705), State key laboratory of particle and detection and electronics and the CAS Center for Excellence in Particle Physics (CCEPP) the RFBR grant(14-02-00129-a), U.S. Department of Energy (DE-FG02-04ER41291, DE-FG02-05ER41374, DE-FG02-94ER40823, DESC0010118), U.S. National Science Foundation, part of this work related to the design of ZnSe viewports is supported by the Russian Science Foundation (14-50-00080)

Abstract: The beam energy measurement system is of great importance for both BEPC-Ⅱ accelerator and BES-Ⅲ detector. The system is based on measuring the energies of Compton back-scattered photons. In order to meet the requirements of data taking and improve the measurement accuracy, the system has continued to be upgraded, which involves the updating of laser and optics subsystems, replacement of a view-port of the laser to the vacuum insertion subsystem, the use of an electric cooling system for a high purity germanium detector, and improvement of the data acquisition and processing subsystem. The upgrade system guarantees the smooth and efficient measurement of beam energy at BEPC-Ⅱ and enables accurate offline energy values for further physics analysis at BES-Ⅲ.

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