2019-05-25
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Precision timing for the High Luminosity Upgrade of CMS
/ Yohay, Rachel (Florida State U.)
/CMS
The projected proton beam intensity of the High Luminosity Large Hadron Collider (HL-LHC), slated to begin operation in 2026, will result in between 140 and 200 concurrent proton-proton interactions per 25 ns bunch crossing. The scientific program of the HL-LHC, which includes precision Higgs coupling measurements, measurements of vector boson scattering, and searches for new heavy or exotic particles, will benefit greatly from the enormous HL-LHC dataset. [...]
SISSA, 2018 - 12 p.
- Published in : PoS Vertex 2017 (2018) 028
Fulltext: PDF; External link: PoS server
In : The 26th International Workshop on Vertex Detectors, Las Caldas, Spain, 10 - 15 Sep 2017, pp.028
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2019-05-25
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2019-05-25
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2019-05-25
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2019-05-25
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New Look at Hidden Charm Tetra and Pentaquark States
/ Ali, Ahmed (DESY) ; Maiani, Luciano (CERN) ; Borisov, Anatoly V (Moscow State U.) ; Ahmed, Ishtiaq (NCP, Islamabad) ; Aslam, M Jamil (Quaid-i-Azam U.) ; Parkhomenko, Alexander Ya (Yaroslavl State U.) ; Polosa, Antonio D (INFN, Rome) ; Rehman, Abdur (NCP, Islamabad)
The work presents the analysis of the hidden charm P-wave tetraquarks in the diquark model, using an effective Hamiltonian incorporating the dominant spin–spin, spin–orbit and tensor interactions. We compare them with other P-wave systems such as P-wave charmonia and the newly discovered c baryons, analyzed recently in this framework. [...]
2018 - 10 p.
- Published in : Acta Phys. Pol. B 49 (2018) 1315-1324
Fulltext: PDF;
In : XXIV Cracow Epiphany Conference on Advances in Heavy Flavour Physics, Cracow, Poland, 9 - 12 Jan 2018, pp.1315-1324
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2019-05-25
06:02 |
Radiation-Induced Attenuation in Single-Mode Phosphosilicate Optical Fibers for Radiation Detection
/ Di Francesca, Diego (CERN) ; Li Vecchi, G (CERN ; Lab. Hubert Curien, St. Etienne) ; Girard, S (Lab. Hubert Curien, St. Etienne) ; Alessi, Antonino (Lab. Hubert Curien, St. Etienne) ; Reghioua, I (Lab. Hubert Curien, St. Etienne) ; Boukenter, A (Lab. Hubert Curien, St. Etienne) ; Ouerdane, Youcef (Lab. Hubert Curien, St. Etienne) ; Kadi, Y (CERN) ; Brugger, M (CERN)
We investigated the online radiation-induced attenuation of two single-mode optical fibers (OFs) that were X-rays irradiated with doses up to 100 kGy(SiO$_{2}$) at room temperature at 10.7 Gy/s. One of the two samples was doped only with phosphorous, whereas the other was codoped with phosphorous and cerium. [...]
2017 - 6 p.
- Published in : IEEE Trans. Nucl. Sci. 65 (2018) 126-131
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2019-05-25
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2019-05-25
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Influence of LDD Spacers and H$^+$ Transport on the Total-Ionizing-Dose Response of 65-nm MOSFETs Irradiated to Ultrahigh Doses
/ Faccio, Federico (CERN) ; Borghello, Giulio (CERN ; U. Udine (main)) ; Lerario, Edoardo (CERN ; U. Salento, Lecce (main)) ; Fleetwood, Daniel M (Vanderbilt U. (main)) ; Schrimpf, Ronald D (Vanderbilt U. (main)) ; Gong, Huiqi (Vanderbilt U. (main)) ; Zhang, En Xia (Vanderbilt U. (main)) ; Wang, P (Vanderbilt U. (main)) ; Michelis, Stefano (CERN) ; Gerardin, Simone (U. Padua (main)) et al.
The degradation induced by ultrahigh total ionizing dose in 65-nm MOS transistors is strongly gate-length dependent. The current drive decreases during irradiation, and the threshold voltage often shifts significantly during irradiation and/or high-temperature annealing, depending on transistor polarity, applied field, and irradiation/annealing temperature. [...]
2017 - 11 p.
- Published in : IEEE Trans. Nucl. Sci. 65 (2018) 164-174
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2019-05-25
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Atypical Effect of Displacement Damage on LM124 Bipolar Integrated Circuits
/ Borel, Thomas (IES, Montpellier ; CERN) ; Roig, F (Nucletudes, France) ; Michez, Alain (IES, Montpellier) ; Azais, B (Dir. Armement, France) ; Danzeca, S (CERN) ; Roche, N J -H (Montpellier U.) ; Bezerra, F (CNES, Toulouse) ; Calvel, P (Thales Alenia Space, France) ; Dusseau, L (IES, Montpellier)
LM124 operational amplifiers from three different manufacturers are irradiated with $^{60}$Co gamma rays and neutrons. During neutrons irradiation, one of the three integrated circuits exhibits an unexpected slew rates increase while its open loop gain and supply bias current follow the usual monotonic decrease as described in the literature. [...]
2017 - 7 p.
- Published in : IEEE Trans. Nucl. Sci. 65 (2018) 71-77
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2019-05-25
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Pentaquarks and possible anomalies at LHCb
/ Lafferty, G (Manchester U.)
/LHCb
With the LHC Run 1 data, the LHCb experiment discovered two pentaquark states and has evidence for a number of possible anomalies in the flavour sector. The possible anomalies include indications of violations of lepton flavour universality, deviations from Standard Model predictions in several B-meson decay modes that are mediated by flavour-changing neutral currents, and further evidence for a discrepancy between inclusive and exclusive measurements of the CKM matrix element $\lvert V_{ub} \rvert$..
2016 - 12 p.
- Published in : Int. J. Mod. Phys. A 31 (2016) 1630032
In : Conference on New Physics at the Large Hadron Collider, Nanyang, Singapore, 29 Feb - 4 Mar 2016, pp.1630032
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