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2020-11-26
06:08
Exotics and BSM in ATLAS and CMS (Non dark matter searches) / Yuan, Li (Beihang U.) /ATLAS Collaboration ; CMS Collaboration
The Large Hadron Collider at CERN finished the Run 2 data taking by the end of 2018. Both the ATLAS and CMS experiments have recorded about 140 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}$=13 TeV during this period. [...]
SISSA, 2020 - 11 p. - Published in : PoS CORFU2019 (2020) 051
In : 19th Hellenic School and Workshops on Elementary Particle Physics and Gravity, Corfu, Corfu, Greece, 31 Aug - 25 Sep 2019, pp.051

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2020-11-26
06:08
Using LHC to Discover the Bilepton / Frampton, Paul H (Salento U. ; INFN, Lecce)
We discuss a minimal and simple extension of the standardelectroweak model and discuss its uniqueness properties.Its most readily testable prediction is the existence of$|Q|= |L|= 2$ gauge bosons, bileptons, which decay intolike-sign lepton pairs. We discuss how a discoverycould be made at the LHC..
SISSA, 2020 - 8 p. - Published in : PoS CORFU2019 (2020) 098
In : 19th Hellenic School and Workshops on Elementary Particle Physics and Gravity, Corfu, Corfu, Greece, 31 Aug - 25 Sep 2019, pp.098

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2020-11-26
06:08
Top Physics in ATLAS and CMS / Wang, Jin (Beijing, Inst. High Energy Phys.)
Top physics results are one of the core physics deliveries in ATLAS and CMS experiments at the Large Hadron Collider (LHC) at CERN. This paper presents the most recent results on top quark production and top property measurements, as well as new physics searches with top events from ATLAS and CMS. [...]
SISSA, 2020 - 15 p. - Published in : PoS CORFU2019 (2020) 023
In : 19th Hellenic School and Workshops on Elementary Particle Physics and Gravity, Corfu, Corfu, Greece, 31 Aug - 25 Sep 2019, pp.023

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2020-11-26
06:08
MoEDAL physics results and  future plans / Mitsou, Vasiliki A (Valencia U., IFIC) /MoEDAL Collaboration
The MoEDAL experiment at the LHC is optimised to detect highly ionising particles (HIPs) such as magnetic monopoles, dyons and (multiply) electrically charged stable massive particles predicted in various theoretical scenarios. It combines (passive) nuclear track detectors with HIP trapping volumes. [...]
SISSA, 2020 - 20 p. - Published in : PoS CORFU2019 (2020) 009
In : 19th Hellenic School and Workshops on Elementary Particle Physics and Gravity, Corfu, Corfu, Greece, 31 Aug - 25 Sep 2019, pp.009

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2020-11-26
06:08
Search for invisible dark photon at NA62 / Spadaro, T (Frascati) /NA62 Collaboration
Very weakly coupled new-physics particles in the MeV-GeV range appear as mediators in various “portals” to a hidden sector. Their interaction with Standard Model particles is feeble and these states are usually long-lived, so that the experimental search fully profits of a high-intensity setup, such as that of fixed-target experiments. [...]
2020 - 6 p. - Published in : J. Phys. : Conf. Ser. 1526 (2020) 012030
In : International Conference on Kaon Physics 2019, Perugia, Italy, 10 - 13 Sep 2019, pp.012030

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2020-11-26
06:08
Precise timing with the PICOSEC-Micromegas detector / Sampsonidis, D (Thessaloniki U.) ; Bortfeldt, J (CERN) ; Brunbauer, F (CERN) ; David, C (CERN) ; Desforge, D (IRFU, Saclay) ; Fanourakis, G (Democritos Nucl. Res. Ctr.) ; Franchi, J (CERN) ; Gallinaro, M (LIP, Lisbon) ; García, F (Helsinki U.) ; Giomataris, I (IRFU, Saclay) et al.
This work presents the concept of the PICOSEC-Micromegas detector to achieve a time resolution below 30 ps. PICOSEC consists of a two-stage Micromegas detector coupled to a Cherenkov radiator and equipped with a photocathode. [...]
2020 - 9 p. - Published in : Nuovo Cimento C 43 (2020) 13
In : FAst Timing Applications for nuclear physics and medical imaging (FATA 2019), Acireale, Italy, 3 - 5 Sep 2019, pp.13

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2020-11-26
06:08
Case for setting up a 10ps challenge: A step toward reconstruction-less TOF-PET / Lecoq, Paul (CERN) ; Morel, Christian (Marseille, CPPM) ; Prior, John (Lausanne U.)
The future generation of radiation detectors is more and more demanding on timing performance for a wide range of applications, such as particle identification in nuclear physics and high-energy physics detectors, high-resolution hadronic calorimetry in finely segmented detectors, precise event time tagging in high-luminosity accelerators, time-of-flight (TOF) techniques for PET cameras and a number of photonic applications based on single photon detection. There is in particular a consensus for gathering Europe’s multidisciplinary academic and industrial excellence around the ambitious challenge to develop a 10 ps TOF PET scanner (TOFPET). [...]
2020 - 7 p. - Published in : Nuovo Cimento C 43 (2020) 2
In : FAst Timing Applications for nuclear physics and medical imaging (FATA 2019), Acireale, Italy, 3 - 5 Sep 2019, pp.2

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2020-11-26
06:08
Accumulation of Positrons from a LINAC Based Source / GBAR Collaboration
The GBAR experiment aims to measure the gravitational acceleration of antihydrogen H. It will use H + ions formed by the interaction of antiprotons with a dense positronium cloud, which will require about $10^{10}$ positrons to produce one H + [...]
2020 - 3 p. - Published in : Acta Phys. Pol. A 137 (2020) 164-166
In : 15th International Workshop on Slow Positron Beam Techniques and Applications, Prague, Czechia, 2-6 Sep 2019, pp.164-166

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2020-11-26
06:08
Development of a PbWO$_4$ Detector for Single-Shot Positron Annihilation Lifetime Spectroscopy at the GBAR Experiment / Kim, B H (Seoul Natl. U.) ; Choi, J J (Seoul Natl. U.) ; Chung, M (UNIST, Ulsan) ; Cladé, P (Paris, Lab. Kastler Brossel) ; Comini, P (IRFU, Saclay) ; Crivelli, P (Zurich, ETH) ; Crépin, P-P (Paris, Lab. Kastler Brossel) ; Dalkarov, O (Lebedev Inst.) ; Debu, P (IRFU, Saclay) ; Dodd, L (Swansea U.) et al.
We have developed a PbWO$_{4}$ (PWO) detector with a large dynamic range to measure the intensity of a positron beam and the absolute density of the ortho-positronium ($\mathrm{o-Ps}$) cloud it creates. A simulation study shows that a setup based on such detectors may be used to determine the angular distribution of the emission and reflection of $\mathrm{o-Ps}$ to reduce part of the uncertainties of the measurement. [...]
2020 - 4 p. - Published in : Acta Phys. Pol. A 137 (2020) 122-125
In : 15th International Workshop on Slow Positron Beam Techniques and Applications, Prague, Czechia, 2-6 Sep 2019, pp.122-125

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2020-11-26
06:08
Hybrid Imaging and Timing Ps Laser Excitation Diagnostics for Pulsed Antihydrogen Production / Caravita, R (CERN) ; Antonello, M (INFN, Milan ; Insubria U., Como) ; Belov, A (Moscow, INR) ; Bonomi, G (Brescia U. ; INFN, Pavia) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Caccia, M (INFN, Milan ; Insubria U., Como) ; Camper, A (CERN) ; Castelli, F (INFN, Milan ; Milan U.) ; Comparat, D (LAC, Orsay) ; Consolati, G (INFN, Milan ; Milan Polytechnic) et al.
In this work we present a hybrid detection method providing simultaneous imaging and timing information suitable for fully monitoring positronium (Ps) formation, its laser excitation, and its spatial propagation for the first trials of pulsed antihydrogen ($\bar{H}$) production through a charge-exchange reaction with trapped antiprotons ($\bar{p}$). This combined method, based on the synchronous acquisition of an EJ-200 scintillation detector and a microchannel plate (MCP) detector with a dual readout (phosphor screen image and electrical pick-up signal), allows all relevant events in the experiment to be accurately determined in time while allowing high resolution images of e$^{+}$ from Ps laser photodissociations to be acquired. [...]
2020 - 5 p. - Published in : Acta Phys. Pol. A 137 (2020) 96-100
In : 15th International Workshop on Slow Positron Beam Techniques and Applications, Prague, Czechia, 2-6 Sep 2019, pp.96-100

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