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2025-05-05
09:11
Search for emerging jets in pp collisions at √s=13.6 TeV with the ATLAS experiment
A search for emerging jets is presented using 51.8 fb−1 of proton-proton collision data at √s=13.6 TeV, collected by the ATLAS experiment during 2022 and 2023. [...]
CERN-EP-2025-099. - 2025
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2025-05-05
08:59
Search for new physics in final states with semi-visible jets or anomalous signatures using the ATLAS detector
A search is presented for hadronic signatures of beyond the Standard Model (BSM) physics, with an emphasis on signatures of a strongly-coupled hidden dark sector accessed via resonant production of a Z′ mediator. [...]
CERN-EP-2025-101. - 2025
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2025-05-03
04:21
Features of the EAR2 neutron beam following the spallation target upgrade at the n_TOF facility at CERN / n_TOF Collaboration
The n_TOF facility at CERN has undergone a major upgrade after the installation of a new spallation target, designed to improve the features of both neutron beamlines at the experimental areas 1 and 2 (EAR1 and EAR2) and the commissioning of a new experimental area (NEAR). [...]
arXiv:2505.00042. - 19.
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2025-05-02
04:23
The Muon Collider / International Muon Collider Collaboration
Muons offer a unique opportunity to build a compact high-energy electroweak collider at the 10 TeV scale. [...]
arXiv:2504.21417. - 406.
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2025-05-02
04:23
A Universal Equilibration Condition for Heavy Quarks / Rajagopal, Krishna (MIT) ; Scheihing-Hitschfeld, Bruno (Santa Barbara, KITP) ; Wiedemann, Urs Achim (CERN)
Kinetic equilibration at late times is physically required for heavy particles in a finite temperature medium. [...]
CERN-TH-2025-088 ; MIT-CTP/5858 ; arXiv:2504.21139. - 6.
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2025-04-30
10:10
Observation of the decay B0s→K0Spˉp and measurement of the B0(s)→K0Spˉp branching fraction / LHCb Collaboration
A study of the charmless baryonic decays B0(s)→K0pˉp is presented, where B0(s) denotes either a B0 or a B0s meson. [...]
arXiv:2504.21269 ; LHCb-PAPER-2025-001 ; CERN-EP-2025-085. - 2025 - 26 p, 26.
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2025-04-30
05:07
Starlight from JWST: Implications for star formation and dark matter models / Ellis, John ; Fairbairn, Malcolm ; Urrutia, Juan ; Vaskonen, Ville
We confront the star formation rate in different dark matter (DM) models with UV luminosity data from JWST up to z≃25 and legacy data from HST. [...]
KCL-PH-TH/2025-12 ; CERN-TH-2025-085 ; AION-REPORT/2025-03 ; arXiv:2504.20043. - 15.
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2025-04-30
05:07
MATHUSLA: An External Long-Lived Particle Detector to Maximize the Discovery Potential of the HL-LHC / MATHUSLA Collaboration
We present the current status of the MATHUSLA (MAssive Timing Hodoscope for Ultra-Stable neutraL pArticles) long-lived particle (LLP) detector at the HL-LHC, covering the design, fabrication and installation at CERN Point 5. [...]
arXiv:2504.01999 ; FERMILAB-PUB-25-0293-CSAID. - 10.
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2025-04-30
05:05
Consistency of EFT illuminated via relative entropy: A case study in scalar field theory / Ueda, Daiki (Technion ; CERN) ; Tatsumi, Kazuhiro (Mizuho Info. and Research Inst.)
Relative entropy is a non-negative quantity and offers a powerful means of achieving a unified understanding of fundamental properties in physics, including the second law of thermodynamics and positivity bounds on effective field theories (EFTs). [...]
arXiv:2410.21062. - 47.
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2025-04-30
05:02
Conceptual Design Report for the MATHUSLA Long-Lived Particle Detector near CMS / MATHUSLA Collaboration
We present the Conceptual Design Report (CDR) for the MATHUSLA (MAssive Timing Hodoscope for Ultra-Stable neutraL pArticles) long-lived particle detector at the HL-LHC, covering the design, fabrication and installation at CERN Point 5. [...]
arXiv:2503.20893. - 71.
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