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The quark-gluon plasma analysis relies on the heavy quark potential, which is influenced by the anisotropic plasma parameter temperature (t), and baryonic chemical potential (μ). Employing the generalized fractional derivative Nikiforov-Uvarov (GFD-NU) method, we solved the topologically-fractional Schrödinger equation. Two scenarios were explored: the classical model (α = β = 1) and the fractional model (α, β < 1).
View Article and Find Full Text PDFKaonic nuclear clusters- a new paradigm of particle and nuclear physics.
Proc Jpn Acad Ser B Phys Biol Sci
December 2024
Department of Physics, The University of Tokyo, Tokyo, Japan.
Λ = Λ(1405) plays an essential role in the formation of kaonic nuclear clusters (KNC). The simplest KNC, Kpp, has the structure Λp = (Kp)p, in which a real kaon migrates between two nucleons, mediating super-strong Λp attraction. Production data of Kpp have been accumulated by DISTO, J-PARC E27 and J-PARC E15 experiments.
View Article and Find Full Text PDFPhenomenology of photons-enriched semi-visible jets.
Eur Phys J C Part Fields
November 2024
ETH Zürich, Institute for Particle Physics and Astrophysics, 8093 Zurich, Switzerland.
Article Synopsis
- This letter proposes a new method for identifying confining dark sectors at the LHC through the detection of semi-visible jets resulting from collisions involving dark quarks from a hidden sector.
- It explains how these semi-visible jets can produce non-isolated photons and stable/unstable dark bound states, which may not align with current search strategies at the LHC.
- The authors suggest using a deep neural network to differentiate these exotic jets from background noise by analyzing their unique substructure, allowing for potential discoveries of heavy bosons with masses up to 5 TeV using data from the LHC's Run 2.
Time-Like heavy-flavour thresholds for fragmentation functions: the light-quark matching condition at NNLO.
Eur Phys J C Part Fields
November 2024
Physik-Institut, Universität Zürich, Winterthurerstrasse 190, 8057 Zurich, Switzerland.
Unlabelled: Matching conditions are universal ingredients that describe how fragmentation functions change when heavy-flavour thresholds are crossed during the factorisation scale evolution. They are the last missing piece for a consistent description of observables with identified final-state hadrons at next-to-next-to leading order accuracy in quantum chromodynamics. We present an analytical form of the matching condition for light-flavour to hadron fragmentation function at next-to-next-to leading order.
View Article and Find Full Text PDFHunting for Bileptons at Hadron Colliders.
Entropy (Basel)
October 2024
INFN, Laboratori Nazionali di Frascati, Via E. Fermi 54, 00044 Frascati, Italy.
I review possible signals at hadron colliders of bileptons, namely doubly charged vectors or scalars with lepton number L=±2, as predicted by a 331 model, based on a SU(3)c×SU(3)L×U(1)X symmetry. In particular, I account for a version of the 331 model wherein the embedding of the hypercharge is obtained with the addition of three exotic quarks and vector bileptons. Furthermore, a sextet of SU(3)L, necessary to provide masses to leptons, yields an extra scalar sector, including a doubly charged Higgs, i.
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