2018-11-11
04:28 |
ASASSN-18ey: The Rise of a New Black-Hole X-ray Binary
/ ATLAS Collaboration
We present the discovery of ASASSN-18ey, a new black hole low-mass X-ray binary discovered by the All-Sky Automated Survey for SuperNovae (ASAS-SN). A week after ASAS-SN discovered ASASSN-18ey as an optical transient, it was detected as an X-ray transient by MAXI/GCS. [...]
arXiv:1808.07875.-
2018-10-29 - 8 p.
- Published in : Astrophys. J. 867 (2018) L9
Fulltext: PDF;
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2018-11-10
06:23 |
Resistive-Wall Impedance of Insertions for FCC-hh
/ Riemann, Bernard (Dortmund U., DELTA) ; Arsenyev, Sergey (CERN) ; Khan, Shaukat (Dortmund U., DELTA) ; Schulte, Daniel (CERN)
In this work, transverse and longitudinal resistive-wall impedances for beam pipes in the experiment, injection, extraction and RF systems insertion regions of the Future Hadron-Hadron Collider (FCC-hh) are computed based on contributions from different given cross sections of the surrounding (elliptical) chamber parts along the beam path, their temperature-dependent conductivities, and optical functions. An emphasis is placed on the behaviour of transverse impedance in the main experimental regions (A and G), where maximum beta values of $10^4$ to $10^5$ m occur in dependence of the operation mode respectively lattice configuration. [...]
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-MOPMK014
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMK014
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2018-11-10
06:23 |
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2018-11-08
06:40 |
Qualification of ITER Correction Coil Superconducting Joint
/ Wang, Lin ; Wu, Weiyue ; Wei, Jing ; Ilyin, Yuri ; Dolgetta, Nello ; Simon, Fabrice ; Libeyre, Paul ; Aviles Santillana, Ignacio (CERN) ; Langeslag, Stefanie ; Sgobba, Stefano et al.
The correction coils (CCs) are a system of 18 superconducting coils composed of top CCs, side CCs, and bottom CCs, and are required to correct asymmetries and reduce magnetic error fields detrimental to the plasma performance of the ITER machine. The CC terminals will be connected with those of the superconducting busbars with twin-box joints. [...]
2018 - 6 p.
- Published in : IEEE Trans. Plasma Sci. 46 (2018) 3223-3228
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2018-11-08
06:40 |
The CERN Gamma Factory Initiative: An Ultra-High Intensity Gamma Source
/ Krasny, Mieczyslaw (Paris U., VI-VII ; CERN) ; Alemany-Fernández, Reyes (CERN) ; Antsifarov, P (Troitsk, Inst. Spectroscopy) ; Apyan, Armen (Yerevan Phys. Inst.) ; Bartosik, Hannes (CERN) ; Bessonov, Evgeny (Lebedev Phys. Inst., Moscow) ; Biancacci, Nicolo (CERN) ; Bieron, Jacek (Jagiellonian U.) ; Budker, Dmitry (Helmholtz Inst., Mainz) ; Cassou, Kevin (Orsay, LAL) et al.
This contribution discusses the possibility of broadening the present CERN research programme making use of a novel concept of light source. The proposed, Partially Stripped Ion beam driven, light source is the backbone of the Gamma Factory (GF) initiative. [...]
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-WEYGBD3
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEYGBD3
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2018-11-08
06:40 |
Extending a 65nm CMOS process design kit for high total ionizing dose effects
/ Nikolaou, Aristeidis (Natl. Tech. U., Athens) ; Bucher, Matthias (Natl. Tech. U., Athens) ; Makris, Nikos (Natl. Tech. U., Athens) ; Papadopoulou, Alexia (Natl. Tech. U., Athens) ; Chevas, Loukas (Natl. Tech. U., Athens) ; Borghello, Giulio (Udine U.) ; Koch, Henri D (U. Mons) ; Kloukinas, Kostas (CERN) ; Poikela, Tuomas S (CERN) ; Faccio, Federico (CERN)
Standard CMOS Process Design Kits (PDKs) do not address degradation the technology incurs when exposed to high Total Ionizing Dose (TID). Front-end electronics for the High-Luminosity Large Hadron Collider are expected to be exposed up to ten-fold doses. [...]
2018 - 4 p.
- Published in : 10.1109/MOCAST.2018.8376561
In : 7th International Conference on Modern Circuits and Systems Technologies, Thessaloniki, Greece, 7 - 9 May 2018
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2018-11-08
06:40 |
System Level simulation framework for the ASICs development of a novel particle physics detector
/ Caratelli, Alessandro (EPFL-ISIC, Lausanne) ; Scarfi, Simone (EPFL-ISIC, Lausanne) ; Ceresa, Davide (CERN) ; Kloukinas, Kostas (CERN) ; Leblebici, Yusuf (EPFL-ISIC, Lausanne)
The simulation of the passage of particles through matter using Monte Carlo methods is broadly used in the development of particle detectors for high energy physics experiments. To develop the readout electronics for the Compact Muon Solenoid (CMS) experiment at CERN, and to assist the design of the on-detector ASICs, a simulation framework was build capable to link the physics Monte Carlo simulations platforms with an industry standard EDA simulation tools. [...]
2018 - 4 p.
- Published in : 10.1109/PRIME.2018.8430367
In : , pp.49-52
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2018-11-08
06:40 |
Investigation of Scaling and Temperature Effects in Total Ionizing Dose (TID) Experiments in 65 nm CMOS
/ Chevas, Loukas (Natl. Tech. U., Athens) ; Nikolaou, Aristeidis (Natl. Tech. U., Athens) ; Bucher, Matthias (Natl. Tech. U., Athens) ; Makris, Nikolaos (Natl. Tech. U., Athens) ; Papadopoulou, Alexia (Natl. Tech. U., Athens) ; Zografos, Apostolos (Natl. Tech. U., Athens) ; Borghello, Giulio (Udine U.) ; Koch, Henri D (U. Mons) ; Faccio, Federico (CERN)
Ten-fold radiation levels are expected in the upgrade of the High-Luminosity Large Hadron Collider (HL-LHC) at CERN. Bulk silicon CMOS at 65 nm offers appreciable advantages among cost, performance, and resilience to high Total Ionizing Dose (TID). [...]
2018 - 6 p.
- Published in : 10.23919/MIXDES.2018.8436809
In : 25th International Conference on Mixed Design of Integrated Circuits and System, Gdynia, Poland, 21 - 23 Jun 2018, pp.313-318
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2018-11-08
06:40 |
Metrological characterization of high-performance delta-sigma ADCs: A case study of CERN DS-22
/ Arpaia, Pasquale (CERN) ; Baccigalupi, Carlo (CERN) ; Martino, Michele (CERN)
Metrological characterization of high-performance ΔΣ Analog-to-Digital Converters (ADCs) poses severe challenges to reference instrumentation and standard methods. In this paper, most important tests related to noise and effective resolution, nonlinearity, environmental uncertainty, and stability are proved and validated in the specific case of a high-performance ΔΣ ADC. [...]
2018 - 6 p.
- Published in : 10.1109/I2MTC.2018.8409653
In : IEEE International Instrumentation and Measurement Technology Conference, Houston, TX, USA, 14 - 17 May 2018
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2018-11-08
06:40 |
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