Results 41 to 50 of about 210,628 (307)

MLPF: efficient machine-learned particle-flow reconstruction using graph neural networks

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
In general-purpose particle detectors, the particle-flow algorithm may be used to reconstruct a comprehensive particle-level view of the event by combining information from the calorimeters and the trackers, significantly improving the detector ...
Joosep Pata   +4 more
doaj   +1 more source

Missing information search with deep learning for mass estimation

open access: yesPhysical Review Research, 2023
We introduce DeeLeMa, a deep learning-based network for the analysis of energy and momentum in high-energy particle collisions. This novel approach is specifically designed to address the challenge of analyzing collision events with multiple invisible ...
Kayoung Ban   +4 more
doaj   +1 more source

New developments for ALICE MasterClasses and the new Particle Therapy MasterClass [PDF]

open access: yesEPJ Web of Conferences, 2020
International MasterClasses (IMC), an outreach activity of the International Particle Physics Outreach Group (IPPOG), has been bringing cuttingedge particle physics research to schoolchildren for over 15 years now. All four LHC experiments participate in
Graczykowski Łukasz   +2 more
doaj   +1 more source

Particle-flow reconstruction and global event description with the CMS detector [PDF]

open access: yes, 2017
The CMS apparatus was identified, a few years before the start of the LHC operation at CERN, to feature properties well suited to particle-flow (PF) reconstruction: a highly-segmented tracker, a fine-grained electromagnetic calorimeter, a hermetic hadron
Cms Collaboration
semanticscholar   +2 more sources

Detection of zero anisotropy at 5.2 AU during the November 1998 solar particle event: Ulysses Anisotropy Telescopes observations [PDF]

open access: yesAnnales Geophysicae, 2000
For the first time during the mission, the Anisotropy Telescopes instrument on board the Ulysses spacecraft measured constant zero anisotropy of protons in the 1.3-2.2 MeV energy range, for a period lasting more than three days.
S. Dalla   +5 more
doaj   +1 more source

Investigating the origin of strangeness enhancement in small systems through multi-differential analyses [PDF]

open access: yesEPJ Web of Conferences, 2022
The main goal of the ALICE experiment is to study the physics of strongly interacting matter, including the properties of the quark-gluon plasma (QGP). The relative production of strange hadrons with respect to non-strange hadrons in heavy-ion collisions
Ercolessi Francesca
doaj   +1 more source

Dual-phase xenon time projection chambers for rare-event searches [PDF]

open access: yesPhilosophical Transactions of the Royal Society A, 2023
In the past decade, dual-phase xenon time projection chambers (Xe-TPCs) have emerged as some of the most powerful detectors in the fields of astroparticle physics and rare-event searches.
L. Baudis
semanticscholar   +1 more source

Generalised Known Kinematics (GKK): an approach for kinematic observables in pair production events with decays involving invisible particles

open access: yesJournal of High Energy Physics, 2023
Missing kinematic information of known invisible particles, such as neutrinos, limit several high-energy physics analysis. The undetected particle carries away momentum and energy information, preventing the total reconstruction of such an event.
Thomas M. G. Kraetzschmar   +6 more
doaj   +1 more source

Tuning pythia for forward physics experiments [PDF]

open access: yesPhysical Review D, 2023
Event generators like Pythia play an important role in physics studies at the Large Hadron Collider (LHC). While they make accurate predictions in the central region, i.e. at pseudorapidities $\eta7$, has been observed.
M. Fieg   +3 more
semanticscholar   +1 more source

Particle physics origin of the 5 MeV bump in the reactor antineutrino spectrum? [PDF]

open access: yesPhysical Review D, 2018
One of the most puzzling questions in neutrino physics is the origin of the excess at 5 MeV in the reactor antineutrino spectrum. In this paper, we explore the excess via the reaction $^{13}$C$(\overline{\nu}, \overline{\nu}^\prime n)^{12}$C$^*$ in ...
J. Berryman, V. Brdar, P. Huber
semanticscholar   +1 more source

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