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2021-05-12
06:05
Characterization of plastic scintillators equipped with SiPM for the next generation of satellites for the study of cosmic radiation / Serini, D (Bari U. ; INFN, Bari) ; De La Torre Luque, P (Bari U. ; INFN, Bari) ; Di Venere, L (INFN, Bari) ; Fusco, P (Bari U. ; INFN, Bari) ; Gargano, F (INFN, Bari) ; Giordano, F (Bari U. ; INFN, Bari) ; Loparco, F (Bari U. ; INFN, Bari) ; Loporchio, S (Bari U. ; INFN, Bari) ; Mazziotta, M N (INFN, Bari)
The next generation of satellite experiments for the studies of cosmic radiation will be equipped with plastic scintillators read-out by Silicon Photomultipliers (SiPMs), to be used as anti-coincidence detectors for gamma rays or for the identification of charged nuclei. For these applications, a high detection efficiency is required in order to ensure a high background rejection for the gamma-ray identification. [...]
2020 - 2 p. - Published in : Nuovo Cimento C 43 (2020) 100 Fulltext: PDF;
In : 18th Incontri di Fisica delle Alte Energie, Naples, Italy, 8 - 10 April 2019, pp.100

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2021-05-12
04:00
CMS track reconstruction performance during Run 2 and developments for Run 3 / Elmetenawee, Walaa (Bari U. ; INFN, Bari) /CMS Collaboration
An efficient and precise reconstruction of charged-particle tracks is crucial for the overall performance of the CMS experiment. During Run 2 of LHC, significant upgrades were made to the track reconstruction algorithms in order to accommodate for the high pileup environment and the installation of an upgraded pixel detector in 2017. [...]
arXiv:2012.07035.- SISSA, 2021-01-14 - 8 p. - Published in : PoS ICHEP2020 (2021) 733 Fulltext: PoS(ICHEP2020)733 - PDF; 2012.07035 - PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020, pp.733

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2021-05-12
04:00
Comparison of differential elastic cross sections in $pp$ and $p\bar{p}$ collisions as evidence of the existence of the colourless $C$-odd three-gluon state / Royon, Christophe (Kansas U.) /D0 Collaboration ; Totem Collaboration
We analyze the differences between the $pp$ and $p\bar{p}$ differentia l elastic cross section measurements by the D0 and TOTEM Collaborations at the Tevatron, Fermilab, and the LHC, CERN that lead to a significance larger than 3$\sigma$ of the existence of the colourless $C$-odd three-gluon state, the odderon..
arXiv:2012.03150.- SISSA, 2021-02-25 - 6 p. - Published in : PoS ICHEP2020 (2021) 496 Fulltext: PoS(ICHEP2020)496 - PDF; 2012.03150 - PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020, pp.496

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2021-05-12
04:00
Self-Similarity, Fractality and Entropy Principle in Collisions of Hadrons and Nuclei at Tevatron, RHIC and LHC / Zborovsky, Imrich (ASCR, Prague) ; Tokarev, Mikhail Vladimirovich (Dubna, JINR)
$z$-Scaling of inclusive spectra as a manifestation of self-similarity and fractality of hadron interactions is illustrated. The scaling for negative particle production in $Au+Au$ collisions from BES-I program at RHIC is demonstrated. [...]
arXiv:2010.08330.- SISSA, 2021-01-27 - 6 p. - Published in : PoS ICHEP2020 (2021) 575 Fulltext: PoS(ICHEP2020)575 - PDF; 2010.08330 - PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020, pp.575

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2021-05-11
06:01
Real-time selection using flavour-tagging algorithms in ATLAS / Varni, C (INFN, Genoa ; Genoa U.) /ATLAS Collaboration
The physics program covered by the ATLAS Collaboration is broad and also includes final states characterized by the presence of $b$-hadrons in their final states. Specialized triggers that exploit flavour tagging techniques, the $b$-jet triggers, have been developed for targeting these topologies. [...]
2020 - 2 p. - Published in : Nuovo Cimento C 43 (2020) 105 Fulltext: PDF;
In : 18th Incontri di Fisica delle Alte Energie, Naples, Italy, 8 - 10 April 2019, pp.105

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2021-05-11
06:01
Measurements of the relative alignment of the muon spectrometer precision chambers in $\sqrt {s}$ = 13 TeV proton-proton collisions with the ATLAS detector / Vannicola, D (INFN, Rome ; Rome U.)
A good muon momentum resolution in the region from hundreds of GeV to several TeV is crucial for searches for new physics, such as $W$' → $\mu$$ν$ and $Z$' → $\mu\mu$ (ATLAS Collaboration, Phys. Lett. [...]
2020 - 2 p. - Published in : Nuovo Cimento C 43 (2020) 104 Fulltext: PDF;
In : 18th Incontri di Fisica delle Alte Energie, Naples, Italy, 8 - 10 April 2019, pp.104

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2021-05-11
06:01
Ultra-Fast Silicon Detectors for CMS Phase II upgrade / Tornago, M (Turin U. ; INFN, Turin) /CMS Collaboration
The Minimimum Ionizing Particle Timing Layer (MTD), proposed for the CMS Phase II upgrade at the High Luminosity LHC, will be provided with Ultra-Fast Silicon Detectors (UFSD), that will be covering an area of ∼ 15 m2 in the pseudorapidity region 1.5 < |η| < 3. MTD has the aim of adding timing information to reconstructed tracks with a precision of ∼ 30 ps: UFSD are the suited technology to reach the goal. [...]
2020 - 4 p. - Published in : Nuovo Cimento C 43 (2020) 103 Fulltext: PDF;
In : 18th Incontri di Fisica delle Alte Energie, Naples, Italy, 8 - 10 April 2019, pp.103

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2021-05-11
06:01
Search for chargino neutralino production in final states with a $W$ boson and Higgs boson / Todome, Kazuki (INFN, Bologna) /ATLAS Collaboration
Supersymmetry (SUSY) is an extension of the Standard Model (SM), and its searches are a central part of ATLAS physics program. In this proceeding, the most recent result in searches of chargino ($\bar{X}$$_{1}^{+}$) and neutralino ($\bar{X}$$_{2}^{0}$) production where $\bar{X}$$_{1}^{+}$ decays in a $W$ boson and the lightest and stable SUSY particle ($\bar{X}$$_{1}^{0}$), while $\bar{X}$$_{2}^{0}$ decays in the lightest SUSY particle and a SM Higgs boson is reported. [...]
2020 - 2 p. - Published in : Nuovo Cimento C 43 (2020) 102
In : 18th Incontri di Fisica delle Alte Energie, Naples, Italy, 8 - 10 April 2019, pp.102

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2021-05-11
06:01
ATLAS Pixel Detector during Run 2 / Rossini, Lorenzo (Milan U. ; INFN, Milan)
Silicon pixel detectors are at the core of the current and planned upgrade of the ATLAS detector at the Large Hadron Collider (LHC). During Run 2 of LHC the detector had to sustain many challenges in order to keep the performances and quality of data taking constant in time, against the increasing instantaneous luminosity, increasing pile-up, and radiation damage. [...]
2020 - 3 p. - Published in : Nuovo Cimento C 43 (2020) 97
In : 18th Incontri di Fisica delle Alte Energie, Naples, Italy, 8 - 10 April 2019, pp.97

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2021-05-11
06:01
Searches for supersymmetric higgsinos with the ATLAS detector / Rossini, Lorenzo (Milan U. ; INFN, Milan)
A search for supersymmetric partners of the Higgs and gauge bosons (charginos and neutralinos) is presented in this work, using the data from the ATLAS experiment collected at LHC. Considerations on the naturalness of the Higgs boson mass suggest that the two lightest neutralinos might be a mix of the partners of the Higgs boson and could have a similar mass. [...]
2020 - 3 p. - Published in : Nuovo Cimento C 43 (2020) 96
In : 18th Incontri di Fisica delle Alte Energie, Naples, Italy, 8 - 10 April 2019, pp.96

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