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2025-04-19
04:02
Proca theory of four-dimensional regularized Gauss-Bonnet gravity and black holes with primary hair / Charmousis, Christos (IJCLab, Orsay ; CERN) ; Fernandes, Pedro G.S. (Heidelberg U.) ; Hassaine, Mokhtar (Talca U.)
We introduce a novel, well-defined four-dimensional regularized Gauss-Bonnet theory of gravity by applying a dimensional regularization procedure. [...]
arXiv:2504.13084. - 10.
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2025-04-19
04:02
Natural complex plane for kaon CKM data: framework, status and future / Dery, Avital (CERN)
Kaon physics can be used to independently determine three out of the four parameters of the CKM matrix, without any B physics input. [...]
CERN-TH-2025-077 ; arXiv:2504.12386. -
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2025-04-19
04:01
Probing CP-Violating Neutral Triple Gauge Couplings at Electron-Positron Colliders / Ellis, John (Shanghai Jiao Tong U. ; King's Coll. London ; CERN) ; He, Hong-Jian (Tsung-Dao Lee Inst., Shanghai ; Shanghai Jiao Tong U. ; Tsinghua U., Beijing ; Peking U., CHEP) ; Xiao, Rui-Qing (Peking U.)
We study the forms of CP-violating (CPV) neutral triple gauge couplings (nTGCs) that can be realized via dimension-8 operators in the Standard Model Effective Field Theory (SMEFT). [...]
KCL-PH-TH/2025-01 ; CERN-TH-2025-002 ; arXiv:2504.13135. -
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2025-04-19
04:01
Geometry of soft scalars at one loop / Cohen, Timothy (CERN ; EPFL, Lausanne, LPTP ; Oregon U.) ; Fadakar, Ipak (EPFL, Lausanne, LPTP ; Pisa, Scuola Normale Superiore) ; Helset, Andreas (CERN) ; Nardi, Filippo (EPFL, Lausanne, LPTP)
We extend the soft theorems for scattering amplitudes of scalar effective field theories to one-loop order. [...]
CERN-TH-2025-081 ; arXiv:2504.12371. - 28.
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2025-04-19
04:01
Reconstruction and Performance Evaluation of FASER's Emulsion Detector at the LHC / FASER Collaboration
This paper presents the reconstruction and performance evaluation of the FASER$\nu$ emulsion detector, which aims to measure interactions from neutrinos produced in the forward direction of proton-proton collisions at the CERN Large Hadron Collider. [...]
arXiv:2504.13008. -
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2025-04-19
04:00
Lessons from commissioning of the cryogenic system for the Short-Baseline Neutrino Detector at Fermilab / Schwartz, Frederick (Fermilab) ; Acciarri, Roberto (Fermilab) ; Bremer, Johan (CERN) ; Doubnik, Roza (Fermilab) ; Fabre, Caroline (CERN) ; Geynisman, Michael (Fermilab) ; Montanari, Claudio (Fermilab ; INFN, Pavia) ; Nunes, Monica (Fermilab) ; Nichols, Trevor (Fermilab) ; Scofield, William (Fermilab) et al.
Results from commissioning and first year of operations of the cryogenic system of the Short-Baseline Neutrino Detector (SBND) and its membrane cryostat installed at the Fermi National Accelerator Laboratory are described. [...]
FERMILAB-CONF-25-0005-PPD ; arXiv:2504.12969. -
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2025-04-19
04:00
Extended scalar sectors from all angles (in 15 minutes) / Robens, Tania (Boskovic Inst., Zagreb ; CERN)
In this proceedings contribution, I briefly summarize various aspects that are important in the discussions of new physics searches with novel scalar states, at current and future colliders. [...]
RBI-ThPhys-2025-21 ; CERN-TH-2025-083 ; arXiv:2504.13014. - 6.
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2025-04-18
04:08
How Accidental was Inflation? / Antoniadis, Ignatios (Chulalongkorn U. ; Paris, LPTHE) ; Ellis, John (King's Coll. London ; CERN) ; Ke, Wenqi (Minnesota U.) ; Nanopoulos, Dimitri V. (CERN ; Athens Academy ; Texas A-M) ; Olive, Keith A. (Minnesota U.)
Data on the cosmic microwave background (CMB) are discriminating between different models of inflation, disfavoring simple monomial potentials whilst being consistent with models whose predictions resemble those of the Starobinsky $R + R^2$ cosmological model. [...]
UMN-TH-4418/25 ; FTPI-MINN-25/03 ; KCL-PH-TH/2025-09 ; CERN-TH-2025-076 ; arXiv:2504.12283. - 28.
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2025-04-18
04:06
SHiP experiment at the SPS Beam Dump Facility / SHiP Collaboration
In 2024, the SHiP experiment, together with the associated Beam Dump Facility (BDF) under the auspices of the High Intensity ECN3 (HI-ECN3) project, was selected for the future physics exploitation of the ECN3 experimental facility at the SPS. [...]
arXiv:2504.06692. - 15.
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2025-04-18
04:03
Search for additional scalar bosons within the Inert Doublet Model in a final state with two leptons at the FCC-ee / Bal, Anubha (Imperial Coll., London) ; Curtis, Edward (Imperial Coll., London) ; Magnan, Anne-Marie (Imperial Coll., London) ; Maier, Benedikt (Imperial Coll., London) ; Robens, Tania (Boskovic Inst., Zagreb ; CERN) ; Wardle, Nicholas (Imperial Coll., London)
In this work, we investigate the discovery reach of a new physics model, the Inert Doublet Model, at an $e^+e^-$ machine with centre-of-mass energies $\sqrt{s}$ of 240 and 365 GeV. [...]
RBI-ThPhys-2025-08 ; CERN-TH-2025-069 ; arXiv:2504.12178. - 18.
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