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CERN Document Server 2,049 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.70 secondes. 
1.
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Preliminary results on the long term operation of RPCs with eco-friendly gas mixtures under irradiation at the CERN Gamma Irradiation Facility / RPC ECOgas@GIF++ Collaboration
Since 2019 a collaboration between researchers from various institutes and experiments (i.e. [...]
arXiv:2311.17574. - 26 p.
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Track-based alignment for the BESIII CGEM detector in the cosmic-ray test / Guo, A.Q. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Wu, L.H. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Wang, L.L. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Mitchell, R.E. (Indiana U.) ; Amoroso, A. (INFN, Turin ; Turin U.) ; Ferroli, R. Baldini (Frascati) ; Balossino, I. (INFN, Ferrara ; Beijing, GUCAS) ; Bertani, M. (Frascati) ; Bettoni, D. (INFN, Ferrara) ; Bortone, A. (INFN, Turin ; Turin U.) et al.
The Beijing Electron Spectrometer III (BESIII) is a multipurpose detector operating on the Beijing Electron Positron Collider II (BEPCII). [...]

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High-rate tests on Resistive Plate Chambers operated with eco-friendly gas mixtures / RPC ECOGas@GIF++ Collaboration
Results obtained by the RPC ECOgas@GIF++ Collaboration, using Resistive Plate Chambers operated with new, eco-friendly gas mixtures, based on Tetrafluoropropene and carbon dioxide, are shown and discussed in this paper. Tests aimed to assess the performance of this kind of detectors in high-irradiation conditions, analogous to the ones foreseen for the coming years at the Large Hadron Collider experiments, were performed, and demonstrate a performance basically similar to the one obtained with the gas mixtures currently in use, based on Tetrafluoroethane, which is being progressively phased out for its possible contribution to the greenhouse effect. [...]
arXiv:2311.08259.- 2024-03-22 - 15 p. - Published in : Eur. Phys. J. C 84 (2024) 300 Fulltext: 2311.08259 - PDF; document - PDF;
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Cover not available Handbook of LHC Higgs Cross Sections: 2. Differential Distributions / Dittmaier, S.
This Report summarises the results of the second year's activities of the LHC Higgs Cross Section Working Group [...]
arXiv:1201.3084 ; CERN-2012-002 CERN-2012-002. - Geneva : CERN, 2012. - 275 p.


ebook
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Broadband Multi-wavelength Properties of M87 during the 2018 EHT Campaign including a Very High Energy Flaring Episode / Event Horizon Telescope Multi-wavelength Science Collaboration
The nearby elliptical galaxy M87 contains one of the only two supermassive black holes whose emission surrounding the event horizon has been imaged by the Event Horizon Telescope (EHT). [...]
arXiv:2404.17623 ; FERMILAB-PUB-24-0804-PPD. - 46.
Fermilab Library Server - Fulltext - Fulltext
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Exploring Eco-Friendly Gas Mixtures for Resistive Plate Chambers: A Comprehensive Study on Performance and Aging / RPC ECOGas@GIF++ Collaboration
Resistive Plate Chambers (RPCs) are gaseous detectors widely used in high energy physics experiments, operating with a gas mixture primarily containing Tetrafluoroethane (C$_{2}$H$_{2}$F$_{4}$), commonly known as R-134a, which has a global warming potential (GWP) of 1430. To comply with European regulations and explore environmentally friendly alternatives, the RPC EcoGas@GIF++ collaboration, involving ALICE, ATLAS, CMS, LHCb/SHiP, and EP-DT communities, has undertaken intensive R&D; efforts to explore new gas mixtures for RPC technology. [...]
arXiv:2402.19395.- 2024-08-22 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1068 (2024) 169747 Fulltext: Publication - PDF; 2402.19395 - PDF;
In : 3rd International Conference on Detector Stability and Aging Phenomena in Gaseous Detectors, CERN, Geneva, Switzerland, 6 - 10 Nov 2023, pp.169747
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7.
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In-beam performance of a Resistive Plate Chamber operated with eco-friendly gas mixtures / ALICE Collaboration
ALICE (A Large Ion Collider Experiment) studies the Quark-Gluon Plasma (QGP): a deconfined state of matter obtained in ultra-relativistic heavy-ion collisions. One of the probes for QGP study are quarkonia and open heavy flavour, of which ALICE exploits the muonic decay. [...]
arXiv:2402.19408.- 2024-08-02 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1067 (2024) 169672 Fulltext: Publication - PDF; 2402.19408 - PDF;
In : PSD13: The 13th International Conference on Position Sensitive Detectors, Oxford, United Kingdom, 3 - 9 Sep 2023, pp.169672
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Performance of thin-RPC detectors for high rate applications with eco-friendly gas mixtures / RPC ECOGas@GIF++ Collaboration
In the last few years, an intense R &D; activity on particle detectors for future HEP applications has been carried on with the aim of developing new techniques as well as studying the performance of already existing detectors when operated in a high rate environment. As for Resistive Plate Chamber detectors, the main challenges to face are the improvement of their detection capabilities and longevity at very high-rates, and the search for new eco-friendly gasmixtures free from greenhouse components. [...]
2024 - 11 p. - Published in : Eur. Phys. J. C 84 (2024) 605 Fulltext: PDF;
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MAGIC observations of the nearby short gamma-ray burst GRB 160821B / MAGIC Collaboration
The coincident detection of GW170817 in gravitational waves and electromagnetic radiation spanning the radio to MeV gamma-ray bands provided the first direct evidence that short gamma-ray bursts (GRBs) can originate from binary neutron star (BNS) mergers. On the other hand, the properties of short GRBs in high-energy gamma rays are still poorly constrained, with only $\sim$20 events detected in the GeV band, and none in the TeV band. [...]
arXiv:2012.07193.- 2021-02-16 - 11 p. - Published in : Astrophys. J. 908 (2021) 90 Fulltext: PDF;
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Studies on tetrafluoropropene-CO$_{2}$ based gas mixtures for the resistive plate chambers of the ALICE Muon IDentifier / ALICE Collaboration
Due to their simplicity and comparatively low cost Resistive Plate Chambers are gaseous detectors widely used in high-energy and cosmic rays physics when large detection areas are needed. However, the best gaseous mixtures are currently based on tetrafluoroethane, which has the undesirable characteristic of a large Global Warming Potential (GWP) of about 1400 and because of this, it is currently being phased out from industrial use. [...]
arXiv:2112.08899.- 2022-08-25 - 7 p.
- Published in : JINST Fulltext: PDF;
In : 12th International Conference on Positional Sensitive Detectors, Online, Online, 12 - 17 Sep 2021, pp.C08024
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