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2025-08-28
04:26
QGP@50: More than Four Decades of Jet Quenching / Wang, Xin-Nian (CCNU, Wuhan, Inst. Part. Phys. ; Frankfurt U.) ; Wiedemann, Urs Achim (CERN)
How are high-momentum transfer processes modified when embedded in the Quark-Gluon Plasma (QGP) instead of the vacuum? How can fundamental properties of the QGP be inferred from their medium-modifications? And what can be learnt about QCD? These questions have motivated theoretical and experimental studies for more than four decades almost since the beginning of QGP research. [...]
CERN-TH-2025-173 ; arXiv:2508.18794.
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2025-08-28
04:26
A simple algorithm for polarized parton evolution / Höche, Stefan (Fermilab) ; Hoppe, Mareen (Lohrmann Observ.) ; Reichelt, Daniel (CERN)
We present an algorithm to include the correlation between the production and decay planes of gluons in a parton-shower simulation. [...]
FERMILAB-PUB-25-0595-T ; CERN-TH-2025-165 ; MCNET-25-21 ; arXiv:2508.19018.
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2025-08-26
05:18
Nonlinear causality of Israel-Stewart theory with diffusion / Cordeiro, Ian (Illinois U., Urbana) ; Bemfica, Fábio S. (Vanderbilt U. ; Rio Grande do Norte U.) ; Speranza, Enrico (Florence U. ; CERN) ; Noronha, Jorge (Illinois U., Urbana)
We present the first fully nonlinear causality constraints in $D = 3 + 1$ dimensions for Israel-Stewart theory in the presence of energy and number diffusion in the Eckart and Landau hydrodynamic frames, respectively [...]
arXiv:2507.20064 ; CERN-TH-2025-143.
- 26.
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2025-08-23
04:15
Spin versus Magic: Lessons from Gluon and Graviton Scattering / Gargalionis, John (Adelaide U., Sch. Chem. Phys. ; ARC, CoEDMPP, Australia) ; Moynihan, Nathan (Queen Mary, U. of London) ; Trifinopoulos, Sokratis (CERN ; Zurich U.) ; Wallace, Ewan N.V. (Adelaide U., Sch. Chem. Phys. ; ARC, CoEDMPP, Australia) ; White, Chris D. (Queen Mary, U. of London) ; White, Martin J. (Adelaide U., Sch. Chem. Phys. ; ARC, CoEDMPP, Australia)
The quantum property of non-stabiliserness, also known as magic, plays a key role in designing quantum computing systems. [...]
CERN-TH-2025-166 ; ADP-25-30/T1292 ; arXiv:2508.14967.
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2025-08-21
06:09
Data-driven analyses and model-independent fits for present $b\to s \ell \ell$ results / Hurth, T. (U. Mainz, PRISMA) ; Mahmoudi, F. (IP2I, Lyon ; CERN ; IUF, Paris) ; Monceaux, Y. (IP2I, Lyon) ; Neshatpour, S. (IP2I, Lyon)
We present a critical assessment of the present $B$ anomalies in the exclusive $b \to s \ell\ell$ mode based on the QCD factorisation approach (QCDf). [...]
arXiv:2508.09986 ; CERN-TH-2025-164 ; MITP/25-055.
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2025-08-21
06:01
Deformations of Starobinsky Inflation in No-Scale SU(5) and SO(10) GUTs / Ellis, John (King's Coll. London ; CERN) ; Garcia, Marcos A.G. (Mexico U.) ; Nagata, Natsumi (Tokyo U.) ; Nanopoulos, Dimitri V. (CERN ; Unlisted, GR ; TAMU, College Station) ; Olive, Keith A. (Minnesota U., Theor. Phys. Inst.)
The original Starobinsky $R + R^2$ model of inflation is consistent with Planck and other measurements of the CMB, but recent results from the ACT and SPT Collaborations hint that the tilt of scalar perturbations may be in tension with the prediction of the Starobinsky model. [...]
FTPI--MINN--25/07 ; UMN--TH--4501/25 ; FTPI-MINN-25/07 ; UMN-TH-4501/25 ; KCL-PH-TH/2025-36 ; CERN-TH-2025-160 ; arXiv:2508.13279.
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2025-08-19
04:27
The DNA of nuclear models: How AI predicts nuclear masses / Richardson, Kate A. ; Trifinopoulos, Sokratis ; Williams, Mike
Obtaining high-precision predictions of nuclear masses, or equivalently nuclear binding energies, $E_b$, remains an important goal in nuclear-physics research. [...]
CERN-TH-2025-153 ; arXiv:2508.08370.
- 19.
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2025-08-15
04:58
Bubble Trouble: a Review on Electroweak Baryogenesis / van de Vis, Jorinde (CERN) ; de Vries, Jordy (Amsterdam U. ; Nikhef, Amsterdam) ; Postma, Marieke (Nikhef, Amsterdam ; Nijmegen U., IMAPP)
The origin of the universal asymmetry between matter and antimatter remains a mystery. [...]
CERN-TH-2025-161 ; Nikhef 2025-012 ; arXiv:2508.09989.
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2025-08-14
05:01
Precision calculation of $N_{\text{eff}}$ with Neutrino Direct Simulation Monte Carlo / Ihnatenko, Oleksii (Taras Shevchenko U.) ; Ovchynnikov, Maksym (CERN)
Neutrino Direct Simulation Monte Carlo approach ($ν$DSMC) is a method of solving the neutrino Boltzmann equation in the Early Universe, proposed to study the evolution of neutrinos under various cosmological setups. [...]
CERN-TH-2025-158 ; arXiv:2508.08379.
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2025-08-14
04:59
A Compact Story of Positivity in de Sitter / Chakraborty, Priyesh (Harvard U.) ; Cohen, Timothy (CERN ; EPFL, Lausanne, LPTP ; Oregon U.) ; Green, Daniel (UC, San Diego) ; Huang, Yiwen (UC, San Diego)
Recent developments have yielded significant progress towards systematically understanding loop corrections to de Sitter (dS) correlators. [...]
CERN-TH-2025-154 ; CERN-TH-2025-154 ; arXiv:2508.08359.
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