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The DArk Matter Particle Explorer mission
/ DAMPE Collaboration
The DArk Matter Particle Explorer (DAMPE), one of the four scientific space science missions within the framework of the Strategic Pioneer Program on Space Science of the Chinese Academy of Sciences, is a general purpose high energy cosmic-ray and gamma-ray observatory, which was successfully launched on December 17th, 2015 from the Jiuquan Satellite Launch Center. The DAMPE scientific objectives include the study of galactic cosmic rays up to $\sim 10$ TeV and hundreds of TeV for electrons/gammas and nuclei respectively, and the search for dark matter signatures in their spectra. [...]
arXiv:1706.08453.-
2017-10 - 19 p.
- Published in : Astropart. Phys. 95 (2017) 6-24
Preprint: PDF;
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A Parameterized Energy Correction Method for Electromagnetic Showers in BGO-ECAL of DAMPE
/ Yue, Chuan (Beijing, GUCAS ; Purple Mountain Observ.) ; Zang, Jingjing (Purple Mountain Observ.) ; Dong, Tiekuang (Purple Mountain Observ.) ; Li, Xiang (Purple Mountain Observ.) ; Zhang, Zhiyong (Hefei, CUST) ; Zimmer, Stephan (Geneva U.) ; Jiang, Wei (Hefei, CUST ; Purple Mountain Observ.) ; Zhang, Yunlong (Hefei, CUST) ; Wei, Daming (Hefei, CUST ; Purple Mountain Observ.)
DAMPE is a space-based mission designed as a high energy particle detector measuring cosmic-rays and $\gamma-$rays which was successfully launched on Dec.17, 2015. The BGO electromagnetic calorimeter is one of the key sub-detectors of DAMPE for energy measurement of electromagnetic showers produced by $e^{\pm}/{\gamma}$. [...]
arXiv:1703.02821.-
2017-06-01 - 9 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 856 (2017) 11-16
Preprint: PDF;
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Proton Shell Structure
/ Kou, Wei (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Han, Chengdong (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Chen, Xurong (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS ; South China Normal U.)
We study the internal structure of the proton and propose a shell structure model of the proton. [...]
arXiv:2107.13699.
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16 p.
Fulltext
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Radiation campaign of HPK prototype LGAD sensors for the High-Granularity Timing Detector (HGTD)Radiation Campaign of HPK Prototype LGAD sensors for the High-Granularity Timing Detector (HGTD)
/ Shi, X. (Beijing, Inst. High Energy Phys.) ; Ayoub, M.K. (Beijing, Inst. High Energy Phys.) ; da Costa, J. Barreiro Guimarães (Beijing, Inst. High Energy Phys.) ; Cui, H. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Kiuchi, R. (Beijing, Inst. High Energy Phys.) ; Fan, Y. (Beijing, Inst. High Energy Phys.) ; Han, S. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Huang, Y. (Beijing, Inst. High Energy Phys.) ; Jing, M. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Liang, Z. (Beijing, Inst. High Energy Phys.) et al.
We report on the results of a radiation campaign with neutrons and protons of Low Gain Avalanche Detectors (LGAD) produced by Hamamatsu (HPK) as prototypes for the High-Granularity Timing Detector (HGTD) in ATLAS. Sensors with an active thickness of 50~$\mu$m were irradiated in steps of roughly 2$\times$ up to a fluence of $3\times10^{15}~\mathrm{n_{eq}cm^{-2}}$. [...]
arXiv:2004.13895.-
2020-11-01 - 15 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 979 (2020) 164382
Fulltext: PDF;
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019, pp.164382
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Beam test results of NDL Low Gain Avalanche Detectors (LGAD)
/ Xiao, S. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Alderweireldt, S. (CERN) ; Ali, S. (Taiwan, Inst. Phys.) ; Allaire, C. (CERN) ; Agapopoulou, C. (Orsay, LAL) ; Atanov, N. (Dubna, JINR) ; Ayoub, M.K. (Beijing, Inst. High Energy Phys.) ; Barone, G. (Brookhaven) ; Benchekroun, D. (Casablanca U.) ; Buzatu, A. (Taiwan, Inst. Phys.) et al.
To meet the timing resolution requirement of up-coming High Luminosity LHC (HL-LHC), a new detector based on the Low-Gain Avalanche Detector(LGAD), High-Granularity Timing Detector (HGTD), is under intensive research in ATLAS. Two types of IHEP-NDL LGADs(BV60 and BV170) for this update is being developed by Institute of High Energy Physics (IHEP) of Chinese Academic of Sciences (CAS) cooperated with Novel Device Laboratory (NDL) of Beijing Normal University and they are now under detailed study. [...]
arXiv:2005.07323.-
2021-02-11 - 16 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 989 (2021) 164956
Fulltext: PDF;
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019, pp.164956
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One-to-one correspondence reconstruction at the electron-positron Higgs factory
/ Wang, Yuexin (Beijing, Inst. High Energy Phys.) ; Liang, Hao (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS ; Vanderbilt U.) ; Zhu, Yongfeng (Peking U., SKLNPT) ; Che, Yuzhi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Xia, Xin (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Qu, Huilin (CERN) ; Zhou, Chen (Peking U., SKLNPT) ; Zhuang, Xuai (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Ruan, Manqi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS)
We propose one-to-one correspondence reconstruction for electron-positron Higgs factories. [...]
arXiv:2411.06939.
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18.
Fulltext
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Layout and Performance of HPK Prototype LGAD Sensors for the High-Granularity Timing Detector
/ Yang, X. (CUST, SKLPDE) ; Alderweireldt, S. (CERN) ; Atanov, N. (BITP, Kiev ; Dubna, JINR) ; Ayoub, M.K. (Beijing, Inst. High Energy Phys.) ; Barreiro Guimarães da Costa, J. (Beijing, Inst. High Energy Phys.) ; Castillo García, L. (Barcelona, IFAE) ; Chen, H. (CUST, SKLPDE) ; Christie, S. (UC, Santa Cruz, Inst. Part. Phys.) ; Cindro, V. (Stefan Inst., Ljubljana) ; Cui, H. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) et al.
The High-Granularity Timing Detector is a detector proposed for the ATLAS Phase II upgrade. The detector, based on the Low-Gain Avalanche Detector (LGAD) technology will cover the pseudo-rapidity region of $2.4<|\eta|<4.0$ with two end caps on each side and a total area of 6.4 $m^2$. [...]
arXiv:2003.14071.-
2020-11-11 - 17 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 980 (2020) 164379
Fulltext: PDF;
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019, pp.164379
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The calibration and electron energy reconstruction of the BGO ECAL of the DAMPE detector
/ Zhang, Zhiyong (CUST, SKLPDE) ; Wang, Chi (CUST, SKLPDE) ; Dong, Jianing (CUST, SKLPDE) ; Wei, Yifeng (CUST, SKLPDE) ; Wen, Sicheng (CUST, SKLPDE ; Purple Mountain Observ.) ; Zhang, Yunlong (CUST, SKLPDE) ; Li, Zhiying (CUST, SKLPDE) ; Feng, Changqing (CUST, SKLPDE) ; Gao, Shanshan (CUST, SKLPDE) ; Shen, ZhongTao (CUST, SKLPDE) et al.
The DArk Matter Particle Explorer (DAMPE) is a space experiment designed to search for dark matter indirectly by measuring the spectra of photons, electrons, and positrons up to 10 TeV. The BGO electromagnetic calorimeter (ECAL) is its main sub-detector for energy measurement. [...]
DAMPE-CONF-2016-001; arXiv:1602.07015; DAMPE-CONF-2016-001.-
2016-11-11 - 7 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 836 (2016) 98-104
Preprint: PDF; External link: Preprint
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Stochastic cooling experiments for CSRe at IMP
/ Zhu, G.Y. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS ; Huizhou Research Center of Ion Sciences) ; Wu, J.X. (Lanzhou, Inst. Modern Phys.) ; Caspers, F. (CERN) ; e, F. Nolden ; Zhang, Y. ; Wei, Y. ; Hu, X.J. ; Du, Z. ; Xie, H.M. ; Jing, L. et al.
A novel type of perforated travelling wave pick-up/kicker structure was developed for CSRe stochastic cooling which was originally proposed by F.Caspers at CERN. The simulated and measured results of shunt impedance of the slotted travelling wave pickup electrode are in reasonable agreement. [...]
2019
- Published in : Nucl. Instrum. Meth. A 932 (2019) 83-89
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Evidence against the wobbling nature of low-spin bands in $^{135}$Pr
/ Lv, B.F. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Petrache, C.M. (IJCLab, Orsay) ; Lawrie, E.A. (iThemba LABS ; Western Cape U.) ; Guo, S. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Astier, A. (IJCLab, Orsay) ; Dupont, E. (IJCLab, Orsay) ; Zheng, K.K. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS ; IJCLab, Orsay) ; Ong, H.J. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Wang, J.G. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Zhou, X.H. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) et al.
The electromagnetic character of the $\Delta I=1$ transitions connecting the one- to zero-phonon and the two- to one-phonon wobbling bands should be dominated by an $E2$ component, due to the collective motion of the entire nuclear charge. In the present work it is shown, based on combined angular correlation and linear polarization measurements, that the mixing ratios of all analyzed connecting transitions between low-lying bands in $^{135}$Pr interpreted as zero-, one-, and two-phonon wobbling bands, have absolute values smaller than one. [...]
arXiv:2106.04879.-
2022-01-10 - 6 p.
- Published in : Phys. Lett. B 824 (2022) 136840
Fulltext: 1-s2.0-S0370269321007802-main - PDF; 2106.04879 - PDF;
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