Beyond Spin: Exploring Quantum Entanglement in Particle Collisions
A new framework proposes testing for entanglement using intrinsic particle properties like flavor, offering a novel path to probe quantum correlations in high-energy physics.
Science
From Quarks to Mesons: A New Model of Hadron Formation
![The analysis extends the previously established framework-detailed in Figure 4-to investigate the behavior of [latex]D_{s}-mesons[/latex], confirming the applicability of the model across a broader range of particle types.](https://arxiv.org/html/2512.22465v1/x_e_spectrum_ratio_charged_D_s_multi_graph.png)
Researchers have developed a comprehensive framework for understanding how quarks and gluons combine to form hadrons, including excited meson states.
Spinning New Physics into Tau Pair Production
![The distribution of the reconstructed dilepton mass [latex]m_{\tau\tau}[/latex] and the cosine of the decay angle [latex]\cos\theta[/latex] characterizes events originating from the production and decay of quark-antiquark pairs into tau leptons in proton-proton collisions at a center-of-mass energy of 13 TeV.](https://arxiv.org/html/2512.22971v1/x3.png)
Researchers detail a Monte Carlo framework incorporating spin correlations and electroweak effects to search for subtle hints of physics beyond the Standard Model in tau lepton decays.
Hidden Symmetries: Bridging Gauge Theories and Many-Body Physics
![The visual representation demonstrates transposed Young diagrams, a mathematical construct wherein the shape and arrangement of boxes within a diagram are altered while preserving underlying combinatorial properties - a transformation crucial for understanding relationships between partitions and their dual representations in areas like symmetric function theory and representation theory of the symmetric group [latex]S_n[/latex].](https://arxiv.org/html/2512.23099v1/transposed.png)
A new review reveals surprising connections between the mathematical frameworks governing fundamental forces and the behavior of complex quantum systems.
Black Hole Shadows: How Matter Warps Spacetime
![The study demonstrates how the presence of a dark matter halo influences time evolution, exhibiting distinct behaviors in regimes of low compactness versus those where compactness exceeds a critical threshold [latex]C^{\text{LR}}[ /latex].](https://arxiv.org/html/2512.22267v1/x17.png)
New research explores how surrounding matter distributions subtly alter the gravitational landscape around black holes, impacting everything from light paths to orbital behavior.
Hunting for Exotic Particles at the LHC
![The anticipated sensitivity of Large Hadron Collider searches suggests that, at the conclusion of the High-Luminosity LHC phase, constraints on multiply charged, long-lived particles will vary significantly depending on their color charge-with color-singlet scalars and fermions exhibiting the greatest reach, and color-triplet counterparts offering correspondingly diminished detection prospects-a result detailed in [Altakach:2022hgn].](https://arxiv.org/html/2512.23387v1/x5.png)
The MoEDAL-MAPP experiment offers a unique approach to searching for charged, long-lived particles that could reveal physics beyond our current understanding.
Beyond Determinism: How Models Shape Our View of Reality
A new analysis suggests the line between deterministic and indeterministic physics isn’t a property of the universe itself, but a consequence of how we choose to model it.
Beyond the Standard Model: Hunting for Cracks in Spacetime with Particle Collisions
New research explores how high-energy particle collisions can reveal subtle violations of Lorentz invariance, potentially uncovering physics beyond our current understanding.
Beyond Perturbation: A Unified View of QCD
![The effective coupling [latex]\alpha_{\rm eff}(Q)[/latex]-calculated for [latex]\kappa = 0.534~\rm{GeV}[/latex]-demonstrates a transition between infrared and nonperturbative regimes, and when subjected to ultraviolet completion incorporating heavy quark thresholds, reveals the inherent limitations of any theoretical framework attempting to fully encompass the complexities of strong interactions.](https://arxiv.org/html/2512.23663v1/x2.png)
New research combines holographic duality, light-front quantization, and analytic properties to offer a comprehensive framework for understanding strong interactions across all energy scales.
Quantum Shadows: Untangling Correlations in Baryon Decays
![The decay pathways of [latex]J/\psi[/latex] particles into [latex]\gamma\chi_{cJ}[/latex] and subsequent decay of [latex]\chi_{cJ}[/latex] into [latex]B\bar{B}[/latex] mesons demonstrate a fundamental process in particle physics, revealing how heavier particles disintegrate into lighter constituents through the emission of photons and the creation of meson-antimeson pairs.](https://arxiv.org/html/2512.22837v1/x1.png)
A new theoretical study explores the surprising quantum entanglement present when exotic charmonium particles decay into pairs of baryons and antibaryons.