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Showing 20 of 9,867 academic articles
Tamer M. Elsawy, Nehal Eltayeb • Maǧallaẗ Kulliyyaẗ Al-Sīyāḥaẗ wa Al-Fanādiq (Ǧāmiʿaẗ Al-Mansoura)
(2023)
تركز هذه الدراسة على تحديات تبني واستخدام تطبيقات البيانات الضخمة في صناعة السياحة لإحدى البلدان النامية، وكيفية الاستفادة من التكنولوجيا في تحسين عملية صنع القرار. على وجه التحديد، يهدف الباحثان إلى التحقيق في عوائق تبني تطبيقات البيانات ا...
DOAJ
Open Access (DOAJ)
DOI: 10.21608/mkaf.2023.299783
Victor S. Mogajane, Engelina du Plessis, Elmarie Slabbert • Acta Commercii
(2019)
Orientation: This study investigates and analyses the perceptions of soccer club managers based on spectators’ loyalty factors, values and challenges concerning soccer clubs in South Africa.
Research purpose: These results could assist man...
DOAJ
Open Access (DOAJ)
DOI: 10.4102/ac.v19i1.633
Wright R. J., Dawe R. A. • Oil & Gas Science and Technology
(2006)
The multiphase Darcy model used to represent two-phase immiscible displacement flow within porous media is critically examined, and the principle assumptions and limitations discussed. We identify some of the main problems which require bet...
DOAJ
Open Access (DOAJ)
DOI: 10.2516/ogst:1980061
Hideki Maeda, Robert Švarc, Jiří Podolský • Journal of High Energy Physics
(2018)
Abstract Critical gravity is a quadratic curvature gravity in four dimensions which is ghost-free around the AdS background. Constructing a Vaidya-type exact solution, we show that the area of a black hole defined by a future outer trapping...
DOAJ
Open Access (DOAJ)
DOI: 10.1007/JHEP06(2018)118
Harsh Shah • Proceedings
(2019)
We have formulated a new model for collisions with nuclei, called Angantyr, which is now included in PYTHIA8 event generator. The model is inspired by the old Fritiof model, but also includes effects of hard partonic interactions. It uses a...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/proceedings2019010018
P. Moch, J. Rohrwild • Nuclear Physics B
(2016)
We study the decay B¯→Xsγ in Randall–Sundrum models with an IR-localised bulk Higgs. The two models under consideration are a minimal model and a model with a custodial protection mechanism. We include the effects of tree- and one-loop diag...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.nuclphysb.2015.11.014
Sushant G. Ghosh, Muhammed Amir, Sunil D. Maharaj • Nuclear Physics B
(2020)
The spacetime singularities in classical general relativity predicted by the celebrated singularity theorems are formed at the end of gravitational collapse. Quantum gravity is the expected theory to resolve the singularity problem but we a...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.nuclphysb.2020.115088
Nick E. Mavromatos, Sarben Sarkar • European Physical Journal C: Particles and Fields
(2020)
Abstract In a model for leptogenesis based on spontaneous breaking of Lorentz and $$\mathcal {CPT}$$ CPT symmetry [1–3], we examine the consistency of using the approximation of plane-wave solutions for a free spin-$$\frac{1}{2}$$ 12 Dirac ...
DOAJ
Open Access (DOAJ)
DOI: 10.1140/epjc/s10052-020-8109-1
Long-Bin Chen, Jian Wang, Yefan Wang • Journal of High Energy Physics
(2024)
Abstract We present the analytic total cross section of top quark pair production in electron-positron annihilation at next-to-next-to-leading order (NNLO) in Quantum Chromodynamics (QCD). By utilizing the optical theorem, the NNLO correcti...
DOAJ
Open Access (DOAJ)
DOI: 10.1007/JHEP09(2024)014
Stephanie L. Yardley, Christopher J. Owen, David M. Long, Deborah Baker et al. • The Astrophysical Journal Supplement Series
(2023)
The Slow Solar Wind Connection Solar Orbiter Observing Plan (Slow Wind SOOP) was developed to utilize the extensive suite of remote-sensing and in situ instruments on board the ESA/NASA Solar Orbiter mission to answer significant outstandin...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4365/acd24b
Christian Gütschow, Jonas M. Lindert, Marek Schönherr • European Physical Journal C: Particles and Fields
(2018)
Abstract We present theoretical predictions for the production of top-quark pairs in association with jets at the LHC including electroweak (EW) corrections. First, we present and compare differential predictions at the fixed-order level fo...
DOAJ
Open Access (DOAJ)
DOI: 10.1140/epjc/s10052-018-5804-2
Hai-Jun Li, Wei Chao, Yu-Feng Zhou • Physics Letters B
(2024)
We present the limits on photon to axionlike particle (ALP) coupling from the 10-year period observations of the TeV BL Lacertae blazar 1ES1215+303 (with redshift z=0.130). The contemporaneous gamma-ray spectra are measured by the collabora...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.physletb.2024.138531
Ofer Aharony, Andrey Feldman, Masazumi Honda • Journal of High Energy Physics
(2019)
Abstract We consider a string dual of a partially topological U(N) Chern-Simons-matter (PTCSM) theory recently introduced by Aganagic, Costello, McNamara and Vafa. In this theory, fundamental matter fields are coupled to the Chern-Simons th...
DOAJ
Open Access (DOAJ)
DOI: 10.1007/JHEP06(2019)104
Abbasirad Najmeh, Barreda Angela, Arslan Dennis, Steinert Michael et al. • Nanophotonics
(2021)
A wide variety of near-field optical phenomena are described by the interaction of dipole radiation with a nanophotonic system. The electromagnetic field due to the dipole excitation is associated with the Green’s function. It is of great i...
DOAJ
Open Access (DOAJ)
DOI: 10.1515/nanoph-2021-0429
Ruben Campos Delgado, Stefan Förste • Physics Letters B
(2022)
We study N=2 supersymmetric Jackiw-Teitelboim (JT) gravity at finite temperature coupled to matter. The matter fields are related to superconformal primaries by AdS/CFT duality. Due to broken super reparametrisation invariance in the SCFT d...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.physletb.2022.137550
Andrés Luna, Ricardo Monteiro, Isobel Nicholson, Alexander Ochirov et al. • Journal of High Energy Physics
(2017)
Abstract The double copy relates scattering amplitudes in gauge and gravity theories. In this paper, we expand the scope of the double copy to construct spacetime metrics through a systematic perturbative expansion. The perturbative procedu...
DOAJ
Open Access (DOAJ)
DOI: 10.1007/JHEP04(2017)069
Pabitra K. Nayak, David T. Moore, Bernard Wenger, Simantini Nayak et al. • Nature Communications
(2016)
Single crystals of lead halide perovskites exhibit good optoelectronic properties. Here, the authors study and deduce the mechanism for crystallisation and show how controlling dissolution of colloids through varying the acidity and tempera...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/ncomms13303
Varignier Geoffrey, Fondement Valentin, Carasco Cédric, Collot Johann et al. • EPJ Web of Conferences
(2023)
MCNP and GEANT4 are two reference Monte Carlo nuclear simulators, MCNP being the standard in the Oil & Gas nuclear logging industry. While performing a simulation benchmark of these two software for the purpose of “Cased Hole” wellbore eval...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/epjconf/202328801002
Manuel Tuniz, Armando Consiglio, Denny Puntel, Chiara Bigi et al. • Communications Materials
(2023)
Abstract Long-range electronic ordering descending from a metallic parent state constitutes a rich playground to study the interplay of structural and electronic degrees of freedom. In this framework, kagome metals are in the most interesti...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s43246-023-00430-y
Fei Gao, Julia Harz, Chandan Hati, Yi Lu et al. • Journal of High Energy Physics
(2025)
Abstract A large primordial lepton asymmetry can lead to successful baryogenesis by preventing the restoration of electroweak symmetry at high temperatures, thereby suppressing the sphaleron rate. This asymmetry can also lead to a first-ord...
DOAJ
Open Access (DOAJ)
DOI: 10.1007/JHEP06(2025)247