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Manufacture and performance test result of a 95 kA-class Nb-Ti cable-in-conduit conductor for the low field winding-package of CFETR-TF coil
/ Dai, Chao (Hefei, Inst. Plasma Phys.) ; Wu, Yu (Hefei, Inst. Plasma Phys.) ; Sedlak, Kamil (LPHE, Lausanne) ; Bajas, Hugo (LPHE, Lausanne) ; Nijhuis, Arend (Twente U., Enschede) ; Bruzzone, Pierluigi (LPHE, Lausanne) ; Devred, Arnaud (CERN) ; Qin, Jinggang (Hefei, Inst. Plasma Phys.) ; Liu, Yunhao (Hefei, CUST) ; Xue, Tianjun (Showa Wire Cable, Kawasaki) et al.
The engineering design of the CFETR TF prototype coil and conductors has been completed. The wind-package (WP) of the coil is graded into three regions based on the magnetic field distribution for saving cost. [...]
2023 - 8 p.
- Published in : Physica C 606 (2023) 1354212
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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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Performance of the Cable-in-Conduit Conductors for Super-X Test Facility
/ Dai, Chao (Hefei, Inst. Plasma Phys.) ; Wu, Yu (Hefei, Inst. Plasma Phys.) ; Shi, Yi (Hefei, Inst. Plasma Phys.) ; Sedlak, Kamil (Ecole Polytechnique, Lausanne) ; Bajas, Hugo (Ecole Polytechnique, Lausanne) ; Nijuis, Arend (Twente U., Enschede) ; Hao, Qiangwang (Hefei, Inst. Plasma Phys.) ; Han, Houxiang (Hefei, Inst. Plasma Phys.) ; Liu, YunHao (USTC, Hefei) ; Devred, Arnaud (CERN) et al.
Following the conceptual design, the engineering design of the dc magnet and cable-in-conduit conductor (CICC) for the Super-X test facility has been done in 2021. Totally three types of conductors with different structures were designed for the three pairs of coils in the dc magnet, respectively. [...]
2023 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 33 (2023) 9500105
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Performance of first insert coil with REBCO CICC sub-size cable exceeding 6 kA at 21 T magnetic field
/ Zhou, Chao (Hefei, Inst. Plasma Phys. ; Twente U., Enschede) ; Jin, Huan (Hefei, Inst. Plasma Phys.) ; Fang, Zhen (CAS, HMFL, Hefei) ; Xiao, Guanyu (Hefei, Inst. Plasma Phys. ; Anhui U. Sci. Tech.) ; Ma, Hongjun (Hefei, Inst. Plasma Phys.) ; Liu, Fang (Hefei, Inst. Plasma Phys.) ; Liu, Huajun (Hefei, Inst. Plasma Phys.) ; Ma, Tao (Xian Jiaotong U.) ; Tan, Yunfei (Hua-Zhong U. Sci. Tech.) ; Chen, Wenge (CAS, HMFL, Hefei) et al.
The Institute of Plasma Physics at the Chinese Academy of Sciences is developing the REBCO cable in conduit conductor (CICC) technology for applications in next-generation nuclear fusion devices. The aim is to develop a CICC comprised of six REBCO sub-cables to satisfy the requirements of operation with a current of around 40 kA and a peak field of up to 20 T. [...]
2022 - 9 p.
- Published in : Supercond. Sci. Technol. 35 (2022) 114003
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A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
/ Aalbers, J. (SLAC ; KIPAC, Menlo Park) ; AbdusSalam, S.S. (Shahid Beheshti U.) ; Abe, K. (Kamioka Observ. ; Tokyo U., IPMU) ; Aerne, V. (Zurich U.) ; Agostini, F. (U. Bologna, DIFA ; INFN, Bologna) ; Maouloud, S. Ahmed (Paris U., VI-VII) ; Akerib, D.S. (SLAC ; KIPAC, Menlo Park) ; Akimov, D.Yu. (Moscow Phys. Eng. Inst.) ; Akshat, J. (Purdue U.) ; Musalhi, A.K. Al (Oxford U.) et al.
The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leading technology to cover the available parameter space for Weakly Interacting Massive Particles (WIMPs), while featuring extensive sensitivity to many alternative dark matter candidates. [...]
arXiv:2203.02309; INT-PUB-22-003; FERMILAB-PUB-22-112-PPD-QIS-T.-
2022-12-15 - 77 p.
- Published in : J. Phys. G 50 (2023) 013001
Fulltext: 2203.02309 - PDF; jt - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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Identification of charm jets at LHCb
/ LHCb Collaboration
The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration dataset recorded by the LHCb detector and selected such that the jets are unbiased in quantities used in the tagging algorithm. [...]
arXiv:2112.08435; LHCb-DP-2021-006.-
2022-02-22 - 22 p.
- Published in : JINST 17 (2022) P02028
Fulltext: document - PDF; Aaij_2022_J._Inst._17_P02028 - PDF; 2112.08435 - PDF;
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Measurement of the photon polarization in $\Lambda_{b}^{0}$ $\to$ $\Lambda$ $\gamma$ decays
/ LHCb Collaboration
The photon polarization in $b\to s\gamma$ transitions is measured for the first time in radiative b-baryon decays exploiting the unique spin structure of $\Lambda_{b}^{0}\to\Lambda\gamma$ decays. A data sample corresponding to an integrated luminosity of $6\;\mathrm{fb^{-1}}$ collected by the LHCb experiment in $pp$ collisions at a center-of-mass energy of $13\;\mathrm{TeV}$ is used. [...]
arXiv:2111.10194; LHCb-PAPER-2021-030; CERN-EP-2021-230.-
2022-03-01 - 11 p.
- Published in : Phys. Rev. D 105 (2022) L051104
Fulltext: 2111.10194 - PDF; Lb2L0Gamma_Angular_Paper - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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Study of $ {\mathrm{B}}_{\mathrm{c}}^{+} $ decays to charmonia and three light hadrons
/ LHCb Collaboration
Using proton-proton collision data, corresponding to an integrated luminosity of $9fb^{-1}$ collected with the LHCb detector, seven decay modes of the $B_c^+$ meson into a $J/\psi$ or $\psi(2S)$ meson and three charged hadrons, kaons or pions, are studied. The decays $B_c^+\rightarrow ( \psi(2S) \rightarrow J/\psi \pi^+ \pi^-)\pi^+ $, $B_c^+\rightarrow \psi(2S)\pi^+\pi^+\pi^-$, $B_c^+\rightarrow J/\psi K^+\pi^+\pi^-$ and $B_c^+\rightarrow J/\psi K^+K^+K^-$ are observed for the first time, and evidence for the $B_c^+\rightarrow \psi(2S)K^+K^-\pi^+$ decay is found, where $J/\psi$ and $\psi(2S)$ mesons are reconstructed in their dimuon decay modes. [...]
arXiv:2111.03001; LHCb-PAPER-2021-034; CERN-EP-2021-216; LHCB-PAPER-2021-034.-
Geneva : CERN, 2022-01-13 - 28 p.
- Published in : JHEP 2201 (2022) 065
Fulltext: document - PDF; 2111.03001 - PDF; Related data file(s): ZIP;
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Phase-Programmable Gaussian Boson Sampling Using Stimulated Squeezed Light
/ Zhong, Han-Sen (Hefei, NSRL ; Hefei, CUST) ; Deng, Yu-Hao (Hefei, NSRL ; Hefei, CUST) ; Qin, Jian (Hefei, NSRL ; Hefei, CUST) ; Wang, Hui (Hefei, NSRL ; Hefei, CUST) ; Chen, Ming-Cheng (Hefei, NSRL ; Hefei, CUST) ; Peng, Li-Chao (Hefei, NSRL ; Hefei, CUST) ; Luo, Yi-Han (Hefei, NSRL ; Hefei, CUST) ; Wu, Dian (Hefei, NSRL ; Hefei, CUST) ; Gong, Si-Qiu (Hefei, NSRL ; Hefei, CUST) ; Su, Hao (Hefei, NSRL ; Hefei, CUST) et al.
We report Gaussian boson sampling (GBS) experiments which produce up to 113 photon detection events out of a 144-mode photonic circuit. A new high-brightness and scalable quantum light source is developed, exploring the idea of stimulated emission of squeezed photons, which has simultaneously near-unity purity and efficiency. [...]
arXiv:2106.15534.-
2021 - 9 p.
- Published in : Phys. Rev. Lett. 127 (2021) 180502
Fulltext: PDF;
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