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Derniers ajouts:
2025-12-13
04:37
Modeling Light Signals Using Data from the First Pulsed Neutron Source Program at the DUNE Vertical Drift ColdBox Test Facility at CERN Neutrino Platform / Paudel, A. (Fermilab) ; Shi, W. (SUNY, Stony Brook) ; Sala, P. (Fermilab) ; Cavanna, F. (Fermilab) ; Johnson, W. (South Dakota Sch. Mines Tech.) ; Wang, J. (South Dakota Sch. Mines Tech.) ; Ketchum, W. (Fermilab) ; Resnati, F. (CERN) ; Heindel, A. (SUNY, Stony Brook) ; Ashkenazi, A. (Tel Aviv U.) et al.
In this paper, we present a first quantitative test of detected light signals produced in a pulsed neutron source run in a small vertical drift LArTPC at the CERN neutrino platform ColdBox test facility. [...]
FERMILAB-PUB-25-0856-LBNF ; arXiv:2512.10790.
- 16.
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2025-12-13
04:34
Hiding a Light Vector Boson from Terrestrial Experiments: A Chargephobic Dark Photon / Esseili, Haidar (Oregon U.) ; Kribs, Graham D. (Oregon U. ; CERN)
We calculate the terrestrial, astrophysical and cosmological constraints on a light vector boson that couples to an arbitrary combination of the electromagnetic and $B-L$ currents of the Standard Model. [...]
CERN-TH-2025-242 ; arXiv:2512.10916.
- 54.
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2025-12-13
04:12
Conformal collider bootstrap in ${\mathcal N}=4$ SYM / Dempsey, Ross (MIT) ; Karlsson, Robin (Oxford U., Inst. Math.) ; Pufu, Silviu S. (Princeton U. (main)) ; Zahraee, Zahra (Perimeter Inst. Theor. Phys.) ; Zhiboedov, Alexander (CERN)
We use a combination of perturbation theory, holography, supersymmetric localization, integrability, and numerical conformal bootstrap methods to constrain the energy-energy correlator in $\text{SU}(N_c)$${\mathcal N}=4$ SYM at finite coupling. [...]
CERN-TH-2025-212 ; MIT-CTP/5979 ; PUPT-2659 ; arXiv:2512.10796.
- 97.
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2025-12-13
04:04
Nonlocal form factor of chromomagnetic penguin in $B\to K\ell^+\ell^-$ from QCD light-cone sum rules / Hurth, T. (U. Mainz, PRISMA) ; Khodjamirian, A. (Siegen U.) ; Mahmoudi, F. (IP2I, Lyon ; CERN ; IUF, Paris) ; Mishra, D. (IP2I, Lyon) ; Monceaux, Y. (IP2I, Lyon) ; Neshatpour, S. (IP2I, Lyon)
The branching fraction of the $B \to K\ell^+\ell^-$ decay has been measured recently by the LHC experiments, showing a deviation from theory predictions based on the Standard Model (SM). [...]
CERN-TH-2025-253 ; MITP-25-076 ; SI-HEP-2025-28 ; P3H-25-109 ; arXiv:2512.10868.
- 36.
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2025-12-12
14:10
Measurement of the top-quark production cross-section and charge asymmetry at LHCb
The first measurements of the top- and antitop-quark differential production cross-sections and the top-quark charge asymmetry in the forward region are presented, using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.4 $fb^{-1}$. [...]
CERN-EP-2025-274 ; LHCB-PAPER-2025-057.
- 2025
Fulltext - Related data file(s) - Full text

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2025-12-12
04:05
Performance of the High-Angle Time Projection Chambers in the Upgraded T2K Off-Axis Near Detector / Aivazelis, K. (IRFU, Saclay) ; Attié, D. (IRFU, Saclay) ; Billoir, P. (Paris U., VI-VII) ; Blanchet, A. (Paris U., VI-VII) ; Bortolato, G. (INFN, Padua ; Padua U.) ; Bolognesi, S. (IRFU, Saclay) ; Boullon, R. (IRFU, Saclay) ; Calabria, N.F. (Bari Polytechnic ; INFN, Bari) ; Calvet, D. (IRFU, Saclay) ; Casado, M.P. (Barcelona, IFAE) et al.
The off-axis magnetic near detector of the T2K experiment has undergone a significant upgrade, including the construction and installation of two new Time Projection Chambers featuring innovative resistive Micromegas technology and a field cage composed of thin composite walls. [...]
arXiv:2511.18650.
- 49.
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2025-12-12
04:05
Beam-test evaluation of pre-production Low Gain Avalanche Detectors for the ATLAS High Granularity Timing Detector / Aboulhorma, A. (Rabat U.) ; Ait Tamlihat, M. (Rabat U.) ; Alfanda, H.M. (Shanghai Jiao Tong U. ; Shanghai Jiaotong U. ; KLPAC, Shanghai) ; Atanova, O. (Unlisted) ; Atanov, N. (Unlisted) ; Azzouzi, I. (Mohammed V U., Agdal) ; da Costa, J. Barreiro Guimarães (Beijing, Inst. High Energy Phys.) ; Beau, T. (LPNHE, Paris) ; Benchekroun, D. (Hassan U., II, Ain Chock) ; Bendebba, F. (Hassan U., II, Ain Chock) et al.
The High Granularity Timing Detector (HGTD) will be installed in the ATLAS experiment as part of the Phase-II upgrade for the High Luminosity-Large Hadron Collider (HL-LHC). [...]
arXiv:2512.01855.
- 24.
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2025-12-12
04:05
CMS Results at the t$\bar{\text{t}}$ threshold / Bach, Jörn (DESY)
Recent results of CMS at the top-antitop quark pair production threshold in the dileptonic and semileptonic decay channels are presented. [...]
arXiv:2512.09501 ; CMS CR-2025/162.
- 7.
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2025-12-12
04:01
Neutrinos, B-L Symmetry and the Dark Dimension / Montero, Miguel (Madrid, IFT) ; Vafa, Cumrun (Harvard U., Phys. Dept.) ; Valenzuela, Irene (Madrid, IFT ; CERN)
We consider realizations of a gauged B-L symmetry in the context of the Dark Dimension scenario, where the SM lives on a codimension one brane in 5d spacetime. [...]
IFT-25-158 ; CERN-TH-2025-255 ; arXiv:2512.09052.
- 16.
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2025-12-11
13:40
Precision measurement of CP violation and branching fractions in $B^{\pm} \to K^0_{\mathrm{S}} h^{\pm}$ $(h = \pi, K)$ decays and search for the rare decay $B_c^{\pm} \to K ^0_{\mathrm{S}} K^{\pm}$ / LHCb Collaboration
An analysis of the decays $B^{\pm} \to K^0_{\mathrm{S}} \pi^{\pm}$ and $B^{\pm} \to K^0_{\mathrm{S}} K^{\pm}$ is performed using proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of $13 TeV$, corresponding to an integrated luminosity of 5.4fb$^{-1}$. [...]
arXiv:2512.09288 ; CERN-EP-2025-261 ; LHCb-PAPER-2025-049 ; LHCB-PAPER-2025-049.
- 2025 - 23 p, 23.
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