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CERN Document Server Намерени са 36 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.62 секунди. 
1.
Antiprotons and Elementary Particles over a Solar Cycle: Results from the Alpha Magnetic Spectrometer / AMS Collaboration
We present results over an 11-year Solar cycle of cosmic antiprotons based on 1.1×106 events in the rigidity range from 1.00 to 41.9 GV. The p¯ fluxes exhibit distinct properties. [...]
2025 - 12 p. - Published in : Phys. Rev. Lett. 134 (2025) 051002 Fulltext: PDF;
2.
Solar Modulation of Cosmic Nuclei over a Solar Cycle: Results from the Alpha Magnetic Spectrometer / AMS Collaboration
We report the properties of precision time structures of cosmic nuclei He, Li, Be, B, C, N, and O fluxes over an 11-year solar cycle from May 2011 to November 2022 in the rigidity range from 1.92 to 60.3 GV. The nuclei fluxes show similar but not identical time variations with amplitudes decreasing with increasing rigidity. [...]
2025 - 8 p. - Published in : Phys. Rev. Lett. 134 (2025) 051001 Fulltext: PDF;
3.
Spectroscopy of $^{187}$Tl: shape coexistence / Guo, C Y (Peking U., SKLNPT) ; Zhang, W Q (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Huang, H (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Zhang, S Q (Peking U., SKLNPT) ; Li, Z H (Peking U., SKLNPT) ; Liu, Z (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Hua, H (Peking U., SKLNPT) ; Luo, D W (Peking U., SKLNPT) ; Wu, H Y (Peking U., SKLNPT ; Beijing, Inst. Atomic Energy) ; Andreyev, A N (York U., England ; Jefferson Lab ; JAEA, Ibaraki) et al.
The prompt and delayed $\gamma $-ray spectra of $^{187}$Tl was studied via the $^{142}$Nd($^{50}$Cr, 3p2n)$^{187}$Tl fusion-evaporation reaction at a beam energy of 255 MeV. An enhanced level scheme of $^{187}$Tl was established. [...]
2024 - 10 p. - Published in : Eur. Phys. J. A 60 (2024) 165
4.
Properties of Cosmic Deuterons Measured by the Alpha Magnetic Spectrometer / AMS Collaboration
Precision measurements by the Alpha Magnetic Spectrometer (AMS) on the International Space Station of the deuteron (D) flux are presented. The measurements are based on 21×106 D nuclei in the rigidity range from 1.9 to 21 GV collected from May 2011 to April 2021. [...]
2024 - 8 p. - Published in : Phys. Rev. Lett. 132 (2024) 261001 Fulltext: PDF;
5.
First Result from the Alpha Magnetic Spectrometer on the International Space Station: Precision Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5–350 GeV / AMS Collaboration
A precision measurement by the Alpha Magnetic Spectrometer on the International Space Station of the positron fraction in primary cosmic rays in the energy range from 0.5 to 350 GeV based on 6.8×106 positron and electron events is presented. The very accurate data show that the positron fraction is steadily increasing from 10 to ∼250  GeV, but, from 20 to 250 GeV, the slope decreases by an order of magnitude. [...]
2013 - 10 p. - Published in : Phys. Rev. Lett. 110 (2013) 141102 External links: Interactions.org article; Symmetry Magazine article; Press Release
6.
Temporal Structures in Positron Spectra and Charge-Sign Effects in Galactic Cosmic Rays / AMS Collaboration
We present the precision measurements of 11 years of daily cosmic positron fluxes in the rigidity range from 1.00 to 41.9 GV based on 3.4×106 positrons collected with the Alpha Magnetic Spectrometer (AMS) aboard the International Space Station. The positron fluxes show distinctly different time variations from the electron fluxes at short and long timescales. [...]
2023 - 10 p. - Published in : Phys. Rev. Lett. 131 (2023) 151002 Fulltext: PDF;
7.
Transverse Emittance Reduction in Muon Beams by Ionization Cooling / MICE Collaboration
Accelerated muon beams have been considered for next-generation studies of high-energy lepton-antilepton collisions and neutrino oscillations. However, high-brightness muon beams have not yet been produced. [...]
arXiv:2310.05669; STFC-P-2023-004; FERMILAB-PUB-23-613-AD-ND-PPD.- 2024-07-17 - 6 p. - Published in : Nature Phys.
- Published in : Nature Phys. Fulltext: 2310.05669 - PDF; erratum - PDF; publication - PDF; External links: Fermilab Accepted Manuscript; Interesting Engineering article
8.
Properties of Cosmic-Ray Sulfur and Determination of the Composition of Primary Cosmic-Ray Carbon, Neon, Magnesium, and Sulfur: Ten-Year Results from the Alpha Magnetic Spectrometer / AMS Collaboration
We report the properties of primary cosmic-ray sulfur (S) in the rigidity range 2.15 GV to 3.0 TV based on 0.38×106 sulfur nuclei collected by the Alpha Magnetic Spectrometer experiment (AMS). We observed that above 90 GV the rigidity dependence of the S flux is identical to the rigidity dependence of Ne-Mg-Si fluxes, which is different from the rigidity dependence of the He-C-O-Fe fluxes. [...]
2023 - 9 p. - Published in : Phys. Rev. Lett. 130 (2023) 211002 Fulltext: PDF;
9.
Temporal Structures in Electron Spectra and Charge Sign Effects in Galactic Cosmic Rays / AMS Collaboration
We present the precision measurements of 11 years of daily cosmic electron fluxes in the rigidity interval from 1.00 to 41.9 GV based on 2.0×108 electrons collected with the Alpha Magnetic Spectrometer (AMS) aboard the International Space Station. The electron fluxes exhibit variations on multiple timescales. [...]
2023 - 11 p. - Published in : Phys. Rev. Lett. 130 (2023) 161001 Fulltext: PDF;
10.
Multiple Coulomb Scattering of muons in Lithium Hydride / MICE Collaboration
Multiple Coulomb Scattering (MCS) is a well known phenomenon occurring when charged particles traverse materials. Measurements of muons traversing low $Z$ materials made in the MuScat experiment showed that theoretical models and simulation codes, such as GEANT4 (v7.0), over-estimated the scattering. [...]
arXiv:2209.10251; RAL-P-2022-001; FERMILAB-PUB-22-729-AD-ND-PPD.- 2022-11-01 - 19 p. - Published in : Phys. Rev. D 106 (2022) 092003 Fulltext: FERMILAB-PUB-22-729-AD-ND-PPD - PDF; 2209.10251 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server

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22 LI, Zheng
586 Li, Z
3 Li, Z H
1 Li, Z Y
2 Li, Z -F
1 Li, Z -J
5 Li, Z -Y
136 Li, Z B
10 Li, Z C
4 Li, Z D
3 Li, Z F
2 Li, Z G
55 Li, Z H
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6 Li, Z J
3 Li, Z K
5 Li, Z L
50 Li, Z M
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51 Li, Z P
9 Li, Z Q
1 Li, Z R
2 Li, Z S
6 Li, Z W
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49 Li, Z Y
20 Li, Z Z
6 Li, Z  H
6 Li, Z  Y
1 Li, Z-C
1 Li, Z-H
154 Li, Z.
14 Li, Z.B.
3 Li, Z.C.
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1 Li, Z.W.
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2 Li, ZC
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32 Li, Zenghai
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261 Li, Zhan
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29 Li, Zhao
2 Li, Zhao-Liang
4 Li, Zhao-Sheng
14 Li, Zhao-Yu
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3 Li, Zhen-Jie
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10 Li, ZhenYu
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22 Li, Zheng
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2 Li, Zhengbin
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7 Li, Zhengkun
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17 Li, Zhengxiang
1 Li, Zhengyan
1 Li, Zhengyong
5 Li, Zhenheng
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1 Li, Zhenhui
1 Li, Zhening
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2 Li, Zhenyang
10 Li, Zhenyu
7 Li, Zhenzhen
2 Li, Zhepeng
223 Li, Zhi
4 Li, Zhi-Bing
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1 Li, Zhi-Feng
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6 Li, Zhi-Yuan
64 Li, Zhi-Yun
2 Li, Zhi-hong
3 Li, Zhi-hui
2 Li, Zhi-ming
2 Li, ZhiFeng
2 Li, Zhibin
10 Li, Zhibing
1 Li, Zhichang
2 Li, Zhichao
1 Li, Zhifang
2 Li, Zhifeng
7 Li, Zhigang
2 Li, Zhigang Rick
1 Li, Zhiguo
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4 Li, Zhihong
1 Li, Zhihua
1 Li, Zhihuan
9 Li, Zhihui
1 Li, Zhiji
67 Li, Zhijie
11 Li, Zhijin
4 Li, Zhijun
2 Li, Zhilin
7 Li, Zhiming
1 Li, Zhipan
3 Li, Zhiping
11 Li, Zhiqiang
1 Li, Zhiwu
1 Li, Zhixia
1 Li, Zhixiang
1 Li, Zhixiong
1 Li, Zhixuan
2 Li, Zhixue
377 Li, Zhiying
7 Li, Zhiyu
268 Li, Zhiyuan
1 Li, Zhiyun
9 Li, Zhong
4 Li, Zhong Quan
4 Li, Zhong-Hua
1 Li, Zhong-Lin Han Yu-Jian
1 Li, Zhong-Mu
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4 Li, Zhong-hua
1 Li, Zhong-shan
1 Li, ZhongZhen
1 Li, Zhongayng
3 Li, Zhonghua
1 Li, Zhongjun
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8 Li, Zhongkui
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23 Li, Zhongmu
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2 Li, Zhongshan
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4 Li, Zhongyang
11 Li, Zhou
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3 Li, Zhu-Xia
34 Li, Zhuo
1 Li, Zhuoheng
404 Li, Zhuoming
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28 Li, Zhuxia
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4 Li, Zi-Liang
3 Li, Zi-Xiang
1 Li, Ziang
1 Li, Zifu
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1 Li, Zile
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12 Li, Zilong
2 Li, Ziming
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5 Li, Ziting
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3 Li, Ziyuan
4 Li, Ziyue
1 Li, Zong-Bin
7 Li, Zong-Guo
1 Li, Zong-Jun
1 Li, Zong-Qiang
1 Li, Zongbin
1 Li, Zonghai
1 Li, Zongjin
1 Li, Zongmin
2 Li, Zu-Hao
1 Li, Zu-Hua
2 Li, Zuanyi
2 Li, Zuhao
2 Li, Zuo
9 Li, Zuo-Hong
1 Li, Zuyi
2 Li, zhongshan
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