Physics cross sections and event generation of e+e- annihilations at the CEPC

  • The cross sections of the Higgs production and the corresponding backgrounds of e+e- annihilations at the CEPC (Circular Electron and Positron Collider) are calculated by a Monte-Carlo method, and the beamstrahlung effect at the CEPC is carefully investigated. The numerical results and the expected number of events for the CEPC are provided.
      PCAS:
    • 13.66.Fg(Gauge and Higgs boson production in e?e+ interactions)
    • 14.80.Bn(Standard-model Higgs bosons)
    • 07.05.-t(Computers in experimental physics)
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  • [1] S. Chatrchyan et al(CMS Collaboration), Phys. Lett. B, 716: 30, (2012)
    [2] G. Aad et al(ATLAS Collaboration), Phys. Lett. B, 716: 1, (2012)
    [3] W. Kilian, T. Ohl, and J. Reuter, Eur. Phys. J. C, 71:1742, (2011)
    [4] M. Moretti, T. Ohl, and J. Reuter, arXiv: hepph/0102195
    [5] T. Behnke, J. Brau, B. Foster et al, arXiv:1306.6327
    [6] H. Baer, T. Barklow, K. Fujii et al, arXiv:1306.6352
    [7] C. Adolphsen, M. Barone, B. Barish et al, arXiv:1306.6353
    [8] C. Adolphsen, M. Barone, and B. Barish, arXiv:1306.6328
    [9] T. Behnke, J. Brau, and P. Burrows, Volum 4, arXiv:1306.6329
    [10] P. Lebrun, L. Linssen, A. Lucaci-Timoce et al, arXiv:1209.2543
    [11] L. Linssen, A. Miyamoto, M. Stanitzki et al, arXiv:1202.5940
    [12] M. Baillargeon, Production of a Higgs with Two Gauge Bosons, in e+e- Collisions at 500 GeV: The Physics Potential, in Proceedings of the Workshop Munich-Annecy-Hamburg, edited by P.M. Zerwas
    [13] W. Kilian, M. Kramer, and P. M. Zerwas, Phys. Lett. B, 373:135, (1996)
    [14] V. N. Gribov and L. N. Lipatov, Sov. J. Nucl. Phys., 15:675, (1972)
    [15] E. A. Kuraev and V. S. Fadin, Sov. J. Nucl. Phys., 41:466, (1985)
    [16] M. Skrzypek and S. Jadach, Z. Phys. C, 49:577, (1991)
    [17] D. Schulte, CERN-PS-99-014-LP
    [18] D. Schulte, M. Alabau, P. Bambade, O. Dadoun, G. Le Meur, C. Rimbault, and F. Touze, Conf. Proc. C, 070625: 2728, (2007)
    [19] A. Heister et al (ALEPH Collaboration), Eur. Phys. J. C, 22:201, (2001)
    [20] G. Abbiendi et al (OPAL Collaboration), Phys. Lett. B, 546:29, (2002)
    [21] J. Abdallah et al (DELPHI Collaboration), Eur. Phys. J. C, 40:1, (2005)
    [22] M. Acciarri et al (L3 Collaboration), Phys. Lett. B, 448: 152, (1999)
    [23] D. Bardina, M. Bilenkya, D. Lehnerc et al, Nucl. Phys. Proc. Suppl. B, 37: 148, (1994)
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6. Yilmaz, D., Sahin, M., Yavuz, D.H. Higgs production at next generation e+ e- colliders[J]. Modern Physics Letters A, 2023, 38(20-21): 2350100. doi: 10.1142/S0217732323501006
7. Guo, F., Fang, Y., Li, G. et al. Expected measurement precision of the branching ratio of the Higgs boson decaying to the di-photon at the CEPC[J]. Chinese Physics C, 2023, 47(4): 043002. doi: 10.1088/1674-1137/acaa22
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9. Ouali, M., Ouhammou, M., Taj, S. et al. Muon pair production via e+e-annihilation in the presence of a circularly polarized laser field[J]. Laser Physics, 2022, 32(10): 106002. doi: 10.1088/1555-6611/ac8fe8
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16. Bai, Y., Chen, C.-H., Fang, Y.-Q. et al. Measurements of decay branching fractions of in associated production at the CEPC[J]. Chinese Physics C, 2020, 44(1): 013001. doi: 10.1088/1674-1137/44/1/013001
17. Li, G., Li, Z., Wang, Y. et al. Improving the measurement of the Higgs boson-gluon coupling using convolutional neural networks at e+e-colliders[J]. Physical Review D, 2019, 100(11): 116013. doi: 10.1103/PhysRevD.100.116013
18. Boselli, S., Hunter, R., Mitov, A. Prospects for the determination of the top-quark Yukawa coupling at future e+ e- colliders[J]. Journal of Physics G: Nuclear and Particle Physics, 2019, 46(9): 095005. doi: 10.1088/1361-6471/ab2e5c
19. Hou, J.-X., Yue, C.-X., Zhao, Z.-H. Detecting the light gauge boson Z μτ via Higgstrahlung process in the U(1) L μ −L τ model at e + e − colliders[J]. Nuclear Physics B, 2019. doi: 10.1016/j.nuclphysb.2019.01.017
20. Han, S., Li, G., Zhou, X. et al. Initial state radiation correction and its effect on data-taking scheme for σ B (e + e-→ Z H) measurement[J]. International Journal of Modern Physics A, 2019, 34(21): 1950118. doi: 10.1142/S0217751X19501185
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22. Chen, W., Feng, F., Jia, Y. et al. Mixed electroweak-QCD corrections to e + e -.→μ + μ - H at CEPC with finite-width effect[J]. Chinese Physics C, 2019, 43(1): 013108. doi: 10.1088/1674-1137/43/1/013108
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25. Huang, F.P., Qian, Z., Zhang, M. Exploring dynamical CP violation induced baryogenesis by gravitational waves and colliders[J]. Physical Review D, 2018, 98(1): 015014. doi: 10.1103/PhysRevD.98.015014
26. Chen, W.-G., Wan, X., Wang, Y.-K. An optimal scheme for top quark mass measurement near the tt threshold at future e+e- colliders[J]. Chinese Physics C, 2018, 42(5): 053002. doi: 10.1088/1674-1137/42/5/053002
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28. Wang, J.-W., Bi, X.-J., Xiang, Q.-F. et al. Exploring triplet-quadruplet fermionic dark matter at the LHC and future colliders[J]. Physical Review D, 2018, 97(3): 035021. doi: 10.1103/PhysRevD.97.035021
29. Chen, C., Cui, Z., Li, G. et al. H → e + e - At the CEPC: Initial state radiation effect with MadGraph[J]. Journal of Physics G: Nuclear and Particle Physics, 2018, 45(1): 015004. doi: 10.1088/1361-6471/aa9911
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34. Ge, S.-F., He, H.-J., Xiao, R.-Q. Probing new physics scales from Higgs and electroweak observables at e + e − Higgs factory[J]. Journal of High Energy Physics, 2016, 2016(10): 7. doi: 10.1007/JHEP10(2016)007
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Get Citation
Xin Mo, Gang Li, Man-Qi Ruan and Xin-Chou Lou. Physics cross sections and event generation of e+e- annihilations at the CEPC[J]. Chinese Physics C, 2016, 40(3): 033001. doi: 10.1088/1674-1137/40/3/033001
Xin Mo, Gang Li, Man-Qi Ruan and Xin-Chou Lou. Physics cross sections and event generation of e+e- annihilations at the CEPC[J]. Chinese Physics C, 2016, 40(3): 033001.  doi: 10.1088/1674-1137/40/3/033001 shu
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Received: 2015-06-09
Revised: 2015-09-27
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    Supported by CAS/SAFEA International Partnership Program for Creative Research Teams, and funding from CAS and IHEP for the Thousand Talent and Hundred Talent programs, as well as grants from the State Key Laboratory of Nuclear Electronics and Particle Detectors

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Physics cross sections and event generation of e+e- annihilations at the CEPC

    Corresponding author: Xin Mo,
    Corresponding author: Gang Li,
  • 1.  Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • 2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • 3. University of Texas at Dallas, Richardson, TX 75080-3021, USA
Fund Project:  Supported by CAS/SAFEA International Partnership Program for Creative Research Teams, and funding from CAS and IHEP for the Thousand Talent and Hundred Talent programs, as well as grants from the State Key Laboratory of Nuclear Electronics and Particle Detectors

Abstract: The cross sections of the Higgs production and the corresponding backgrounds of e+e- annihilations at the CEPC (Circular Electron and Positron Collider) are calculated by a Monte-Carlo method, and the beamstrahlung effect at the CEPC is carefully investigated. The numerical results and the expected number of events for the CEPC are provided.

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