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1.
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CEPC Technical Design Report: Accelerator
/ CEPC Study Group Collaboration
The Circular Electron Positron Collider (CEPC) is a large scientific project initiated and hosted by China, fostered through extensive collaboration with international partners. The complex comprises four accelerators: a 30 GeV Linac, a 1.1 GeV Damping Ring, a Booster capable of achieving energies up to 180 GeV, and a Collider operating at varying energy modes (Z, W, H, and ttbar). [...]
arXiv:2312.14363; IHEP-CEPC-DR-2023-01; IHEP-AC-2023-01.-
2024-06-03 - 1106 p.
- Published in : Radiat. Detect. Technol. Methods 8 (2024) 1-1105
Fulltext: 2312.14363 - PDF; Publication - PDF;
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2.
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Exploratory Study on High-Efficiency High-Power W-Band Klystron Based on Kladistron Technology
/ Cai, J C (UESTC, Chengdu) ; Su, Z X (UESTC, Chengdu) ; Peauger, F (CERN) ; Xu, J (UESTC, Chengdu) ; Burt, G (Lancaster U. (main)) ; Yue, L N (UESTC, Chengdu) ; Yin, H R (UESTC, Chengdu) ; Zhao, G Q (UESTC, Chengdu) ; Xiang, W W (UESTC, Chengdu) ; Wei, Y Y (UESTC, Chengdu)
To achieve tens of kilowatt (kW) output power,
${W}$
-band klystron usually employs a large beam tunnel to accommodate high current. The deteriorated effective impedance of the cavity could be reenhanced by adopting extended interaction (EI) cavities. [...]
2023 - 6 p.
- Published in : IEEE Trans. Plasma Sci. 51 (2023) 386-391
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3.
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Fully heavy tetraquark states and their evidences in LHC observations
/ liu, Ming-Sheng (Hunan Normal U. ; Hunan, LDQSQC ; SICQEA, Changsha) ; Liu, Feng-Xiao (Hunan Normal U. ; Hunan, LDQSQC ; SICQEA, Changsha) ; Zhong, Xian-Hui (Hunan Normal U. ; Hunan, LDQSQC ; SICQEA, Changsha) ; Zhao, Qiang (Beijing, Inst. High Energy Phys. ; North China Electric Power U., Beijing ; Beijing, GUCAS ; SICQEA, Changsha)
Stimulated by the exciting progress on the observations of the fully-charmed tetraquarks at LHC, we carry out a combined analysis of the mass spectra and fall-apart decays of the $1S$-, $2S$-, and $1P$-wave $cc\bar{c}\bar{c}$ states in a nonrelativistic quark model (NRQM). It is found that the $X(6600)$ structure observed in the di-$J/\psi$ invariant mass spectrum can be explained by the $1S$-wave state $T_{(4c)0^{++}}(6550)$. [...]
arXiv:2006.11952.-
2024-04-01 - 14 p.
- Published in : Phys. Rev. D 109 (2024) 076017
Fulltext: 2006.11952 - PDF; Publication - PDF;
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4.
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5.
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Nature of $X(6900)$ and its production mechanism at LHCb
/ Gong, Chang (Beijing, Inst. High Energy Phys. ; TPCSF, Beijing) ; Du, Meng-Chuan (Beijing, Inst. High Energy Phys. ; TPCSF, Beijing ; Beijing, GUCAS) ; Zhao, Qiang (TPCSF, Beijing ; Beijing, GUCAS ; SICQEA, Changsha) ; Zhong, Xian-Hui (Hunan Normal U. ; Hunan, LDQSQC ; SICQEA, Changsha) ; Zhou, Bin (Beijing, Inst. High Energy Phys. ; TPCSF, Beijing)
We show that the Pomeron exchanges play a unique role in vector charmonium scatterings. Such a mechanism can provide a natural explanation for the nontrivial structures in the di-$J/\psi$ spectrum observed by the LHCb Collaboration. [...]
arXiv:2011.11374.-
2022-01-10 - 6 p.
- Published in : Phys. Lett. B 824 (2022) 136794
Fulltext: 2011.11374 - PDF; 1-s2.0-S0370269321007346-main - PDF;
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6.
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CEPC Conceptual Design Report: Volume 2 - Physics & Detector
/ CEPC Study Group Collaboration
The Circular Electron Positron Collider (CEPC) is a large international scientific facility proposed by the Chinese particle physics community to explore the Higgs boson and provide critical tests of the underlying fundamental physics principles of the Standard Model that might reveal new physics. [...]
arXiv:1811.10545 ; IHEP-CEPC-DR-2018-02 ; IHEP-EP-2018-01 ; IHEP-TH-2018-01.
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2018 - 424.
Fulltext
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7.
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Characterization of Self-Modulated Electron Bunches in an Argon Plasma
/ Groß, Matthias (DESY, Zeuthen) ; Boonpornprasert, Prach (DESY, Zeuthen) ; Brinkmann, Reinhard (DESY) ; Chen, Ye (DESY, Zeuthen) ; Engel, Johannes (DESY, Zeuthen) ; Good, James (DESY, Zeuthen) ; Grüner, Florian (CFEL, Hamburg ; Hamburg U.) ; Huck, Holger (DESY, Zeuthen) ; Isaev, Igor (DESY, Zeuthen) ; Krasilnikov, Mikhail (DESY, Zeuthen) et al.
The self-modulation instability is fundamental for the plasma wakefield acceleration experiment of the AWAKE (Advanced Wakefield Experiment) collaboration at CERN where this effect is used to generate proton bunches for the resonant excitation of high acceleration fields. Utilizing the availability of flexible electron beam shaping together with excellent diagnostics including an RF deflector, a supporting experiment was set up at the electron accelerator PITZ (Photo Injector Test facility at DESY, Zeuthen site), given that the underlying physics is the same. [...]
2018 - 3 p.
- Published in : (2018) , pp. TUPML046
- Published in : J. Phys.: Conf. Ser. 1067 (2018) 042012
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.TUPML046
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8.
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Observation of High Transformer Ratio Plasma Wakefield Acceleration
/ Loisch, Gregor (DESY, Zeuthen) ; Asova, Galina (DESY, Zeuthen ; Sofiya, Inst. Nucl. Res.) ; Boonpornprasert, Prach (DESY, Zeuthen) ; Brinkmann, Reinhard (DESY) ; Chen, Ye (DESY, Zeuthen) ; Engel, Johannes (DESY, Zeuthen) ; Good, James (DESY, Zeuthen) ; Gross, Matthias (DESY, Zeuthen) ; Grüner, Florian (U. Hamburg (main) ; CFEL, Hamburg) ; Huck, Holger (DESY, Zeuthen) et al.
Particle-beam-driven plasma wakefield acceleration (PWFA) enables various novel high-gradient techniques for powering future compact light-source and high-energy physics applications. Here, a driving particle bunch excites a wakefield response in a plasma medium, which may rapidly accelerate a trailing witness beam. [...]
2018 - 6 p.
- Published in : Phys. Rev. Lett. 121 (2018) 064801
Fulltext: PDF;
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9.
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FRIB Front End Design Status
/ Pozdeyev, E (Michigan State U., East Lansing (main)) ; Bultman, N (Michigan State U., East Lansing (main)) ; Machicoane, G (Michigan State U., East Lansing (main)) ; Morgan, G (Michigan State U., East Lansing (main)) ; Rao, X (Michigan State U., East Lansing (main)) ; Zhao, Q (Michigan State U., East Lansing (main)) ; Stovall, J (CERN) ; (Dubna, JINR) ; Vorozhtsov, S (Dubna, JINR) ; Sun, L (IMP, Lanzhou)
The Facility for Rare Isotope Beams (FRIB) will provide a wide range of primary ion beams for nuclear physics research with rare isotope beams. The FRIB SRF linac will be capable of accelerating medium and heavy ion beams to energies beyond 200 MeV/u with a power of 400 kW on the fragmentation target. [...]
2013 - 3 p.
- Published in : Conf. Proc.: C120909 (2012)
External link: Published version from JaCoW
In : 26th International Linear Accelerator Conference, Tel Aviv, Israel, 9 - 14 Sep 2012, pp.1047-1049
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10.
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Simulations of Solenoid and Electrostatic Quadrupole Focusing of High Intensity Beams from ECR Ion Source at NSCL
/ Zhao, Qiang ; Balabin, Anatoly I ; Doleans, Marc ; Marti, Felix ; Stetson, Jeffry W ; Wu, Xiaoyu
Solenoidal focusing has been widely used to focus beams at various injectors for its axisymmetric focusing with reasonable effectiveness. Experiments and simulations have shown that space charge effects can significantly deteriorate the beam quality when solenoidal focusing is used in a multi-component beam. [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.1336
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