CERN Accelerating science

CERN Document Server 15 ჩანაწერია ნაპოვნი  1 - 10შემდეგი  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.69 წამი. 
1.
Properties of Cosmic Lithium Isotopes Measured by the Alpha Magnetic Spectrometer / AMS Collaboration
We present the first measurement of cosmic-ray fluxes of  Li6 and  Li7 isotopes in the rigidity range from 1.9 to 25 GV. The measurements are based on 9.7×105  Li6 and 1.04×106  Li7 nuclei collected by the Alpha Magnetic Spectrometer on the International Space Station from May 2011 to October 2023. [...]
2025 - 8 p. - Published in : Phys. Rev. Lett. 134 (2025) 201001 Fulltext: PDF;
2.
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;
3.
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;
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.
The clock distribution system for the ATLAS Liquid Argon Calorimeter Phase-I Upgrade Demonstrator / Deng, Binwei (Shandong U. ; Southern Methodist U.) ; Chen, Hucheng (Brookhaven) ; Chen, Kai (Brookhaven) ; Chen, Jinghong (Houston U. ; Southern Methodist U.) ; Gong, Datao (Southern Methodist U.) ; Guo, D. (Southern Methodist U. ; Hefei, CUST) ; Hu, Xueye (Brookhaven) ; Huang, Deping (Southern Methodist U.) ; Kierstead, James (Brookhaven) ; Li, Xiaoting (Southern Methodist U. ; Hua-Zhong Normal U.) et al.
A prototype Liquid-argon Trigger Digitizer Board (LTDB), called the LTDB Demonstrator, has been developed to demonstrate the functions of the ATLAS Liquid Argon Calorimeter Phase-I trigger electronics upgrade. Forty Analog-to-Digital converters and four FPGAs with embedded multi-gigabit-transceivers on each Demonstrator need high quality clocks. [...]
arXiv:2401.15750.- 2015-01-09 - 8 p. - Published in : JINST Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2014, Aix En Provence, France, 22 - 26 Sep 2014, pp.C01004
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.
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;
8.
Particle physics using reactor antineutrinos / CHANDLER Collaboration
Nuclear reactors are uniquely powerful, abundant, and flavor-pure sources of antineutrinos that continue to play a vital role in the US neutrino physics program. The US reactor antineutrino physics community is a diverse interest group encompassing many detection technologies and many particle physics topics, including Standard Model and short-baseline oscillations, BSM physics searches, and reactor flux and spectrum modeling. [...]
arXiv:2203.07214; FERMILAB-CONF-22-853-PPD-SCD.- 2024-06-26 - 50 p.
- Published in : J. Phys. G Fulltext: c8e12e623ffdea56add50e6e3de8fdab - PDF; 2203.07214 - PDF; External links: Fermilab Library Server; eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021, pp.080501
9.
A low-latency, low-overhead encoder for data transmission in the ATLAS Liquid Argon Calorimeter trigger upgrade / Xiao, Le (Hua-Zhong Normal U. ; Southern Methodist U.) ; Li, Xiaoting (Hua-Zhong Normal U.) ; Gong, Datao (Southern Methodist U.) ; Chen, Jinghong (Houston U.) ; Deng, Binwei (Unlisted, CN) ; Fan, Qingjun (Houston U.) ; Feng, Yulang (Houston U.) ; Guo, Di (Southern Methodist U. ; Hefei, CUST) ; He, Huiqin (Hua-Zhong Normal U. ; Southern Methodist U. ; Shenzhen, SUSTC) ; Hou, Suen (Taiwan, Inst. Phys.) et al.
In this paper, we present the design and test results of an encoder integrated circuit for the ATLAS Liquid Argon Calorimeter trigger upgrade. The encoder implements a low-latency and low-overhead line code called LOCic. [...]
2016 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 831 (2016) 288-294
In : 10th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors, Xi'an, China, 25 - 29 Sep 2015, pp.288-294
10.
LOCx2, a low-latency, low-overhead, 2 × 5.12-Gbps transmitter ASIC for the ATLAS Liquid Argon Calorimeter trigger upgrade / Xiao, Le (Hua-Zhong Normal U. ; Southern Methodist U. ; SZPT, Shenzhen) ; Li, Xiaoting (Hua-Zhong Normal U.) ; Gong, Datao (Southern Methodist U.) ; Chen, Jinghong (Houston U. ; Southern Methodist U.) ; Guo, Di (Southern Methodist U. ; CUST, SKLPDE) ; He, Huiqin (Hua-Zhong Normal U. ; Southern Methodist U. ; SZPT, Shenzhen) ; Hou, Suen (Taiwan, Inst. Phys.) ; Huang, Guangming (Hua-Zhong Normal U.) ; Liu, Chonghan (Southern Methodist U.) ; Liu, Tiankuan (Southern Methodist U.) et al.
In this paper, we present the design and test results of LOCx2, a transmitter ASIC for the ATLAS Liquid Argon Calorimeter trigger upgrade. LOCx2 consists of two channels and each channel encodes ADC data with an overhead of 14.3% and transmits serial data at 5.12 Gbps with a latency of less than 27.2 ns. [...]
arXiv:2009.08627.- 2016-02-04 - 9 p. - Published in : JINST 11 (2016) C02013 Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics, Lisbon, Portugal, 28 Sep - 2 Oct 2015, pp.C02013

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