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2024-06-04
04:49
A log story short: running contributions to radiative Higgs decays in the SMEFT / Grojean, Christophe (DESY ; Humboldt U., Berlin ; CERN) ; Guedes, Guilherme (DESY) ; Roosmale Nepveu, Jasper (DESY ; Humboldt U., Berlin) ; Salla, Gabriel M. (DESY ; Sao Paulo U., Inst. Math. Stat.)
We investigate the renormalization of the radiative decays of the Higgs to two gauge bosons in the Standard Model Effective Field Theory at mass dimension eight. [...]
CERN-TH-2024-075 ; DESY-24-077 ; HU-EP-24/15-RTG ; arXiv:2405.20371. - 32 p.
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2024-06-03
19:34
Radiation Hard Pixel Sensors for the Phase 2 Upgrade of the CMS Inner Tracker / Steinbrueck, Georg (Hamburg U.) /CMS Collaboration
The Inner Tracker (IT) of the Compact Muon Solenoid (CMS) experiment of the Large Hadron Collider at CERN will be upgraded for the High-Luminosity LHC (HL-LHC). The expected integrated luminosity at the end of the HL-LHC running phase is at least 3000 fb$^{-1}$, corresponding to a 1 MeV neutron equivalent fluence of $\Phi_{\rm eq} = $ 2.6$\times 10^{16}$~cm$^{-2}$ and a total ionizing dose (TID) of 13 MGy at the innermost layer of the IT [...]
CMS-CR-2024-069.- Geneva : CERN, 2024 - 10 p. Fulltext: PDF;
In : 6th International Conference on Technology and Instrumentation in Particle Physics (TIPP 2023), Cape Town, Western Cape, South Africa, 4 - 8 Sep 2023

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2024-06-03
10:41
Amplitude analysis of the radiative decay $B^0_s\to K^+K^-\gamma$
A search for radiative decay of $B^0_s$ mesons to orbitally excited $K^+K^-$ states is performed using proton proton collisions recorded by the \mbox{LHCb}\xspace experiment, corresponding to an integrated luminosity of 9 fb$^{-1}$. [...]
CERN-EP-2024-115 ; LHCB-PAPER-2024-002. - 2024.
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2024-06-03
09:30
Search for a resonance decaying into a scalar particle and a Higgs boson in final states with leptons and two photons in proton-proton collisions at $\sqrt s=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for a hypothetical heavy scalar particle, $X$, decaying into a singlet scalar particle, $S$, and a Standard Model Higgs boson, $H$, using 140 fb$^{-1}$ of proton-proton collision data at the centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the LHC is presented [...]
arXiv:2405.20926 ; CERN-EP-2024-147. - 2024. - 46 p, 46 p.
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2024-06-01
05:18
Status of QCD precision predictions for Drell-Yan processes / Alekhin, S. (Hamburg U., Inst. Theor. Phys. II) ; Amoroso, S. (DESY) ; Buonocore, L. (CERN) ; Huss, A. (CERN) ; Kallweit, S. (Zurich U.) ; Kardos, A. (U. Debrecen, Inst. Phys. ; MTA-DE, Debrecen ; Eotvos U.) ; Michel, J. (Amsterdam U. ; NIKHEF, Amsterdam) ; Moch, S. (Hamburg U., Inst. Theor. Phys. II) ; Petriello, F. (Northwestern U. ; Argonne) ; Rottoli, L. (Zurich U.) et al.
We compute differential distributions for Drell-Yan processes at the LHC and the Tevatron colliders at next-to-next-to-leading order in perturbative QCD, including fiducial cuts on the decay leptons in the final state. [...]
DESY 24-073 ; CERN-TH-2024-068 ; ZU-TH 26/24 ; MPP-2024-106 ; arXiv:2405.19714. - 31 p.
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2024-06-01
05:11
Taxonomy of Infinite Distance Limits / Etheredge, Muldrow (Massachusetts U., Amherst ; Santa Barbara, KITP) ; Heidenreich, Ben (Massachusetts U., Amherst) ; Rudelius, Tom (Durham U., Dept. of Math.) ; Ruiz, Ignacio (Madrid, IFT) ; Valenzuela, Irene (Madrid, IFT ; Princeton U.)
The Emergent String Conjecture constrains the possible types of light towers in infinite-distance limits in quantum gravity moduli spaces. [...]
ACFI-T24-04 ; CERN-TH-2024-067 ; IFT-UAM/CSIC-23-64 ; arXiv:2405.20332. - 69 p.
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2024-05-31
04:48
Higgs Physics at a $\sqrt{s}=3$ TeV Muon Collider with detailed detector simulation / Andreetto, Paolo (INFN, Padua) ; Bartosik, Nazar (INFN, Turin) ; Buonincontri, Laura (INFN, Padua ; Padua U.) ; Calzolari, Daniele (Padua U. ; CERN) ; Candelise, Vieri (INFN, Trieste ; Trieste U.) ; Casarsa, Massimo (INFN, Trieste) ; Castelli, Luca (INFN, Rome ; U. Rome La Sapienza (main)) ; Chiesa, Mauro (INFN, Pavia) ; Colaleo, Anna (INFN, Bari ; Bari U.) ; Da Molin, Giacomo (LIP, Lisbon) et al.
The Muon Collider is one of the most promising future collider facilities with the potential to reach multi-TeV center-of-mass energy and high luminosity. [...]
arXiv:2405.19314. - 29 p.
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2024-05-31
04:48
Vertex Reconstruction with MaskFormers / Van Stroud, Samuel (U. Coll. London) ; Pond, Nikita (U. Coll. London) ; Hart, Max (U. Coll. London) ; Barr, Jackson (U. Coll. London ; DESY) ; Rettie, Sébastien (U. Coll. London ; CERN) ; Facini, Gabriel (U. Coll. London) ; Scanlon, Tim (U. Coll. London)
In high-energy particle collisions, secondary decays can be reconstructed as displaced vertices using the measured trajectories of charged particles. [...]
arXiv:2312.12272. - 10 p.
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2024-05-31
04:45
Rare and exclusive few-body decays of the Higgs, Z, W bosons, and the top quark / d'Enterria, David (CERN) ; Le, Van Dung (Ho Chi Minh City U.)
We perform an extensive survey of rare and exclusive few-body decays -- defined as those with branching fractions $\mathcal{B} \lesssim 10^{-5}$ and two or three final particles -- of the Higgs, Z, W bosons, and the top quark. [...]
arXiv:2312.11211. - 56 p.
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2024-05-31
04:40
QCD predictions for vector boson plus hadron production at the LHC / Caletti, Simone (Zurich, ETH) ; Gehrmann-De Ridder, Aude (Zurich, ETH ; Zurich U.) ; Huss, Alexander (CERN) ; Garcia, Adrian Rodriguez (Zurich, ETH) ; Stagnitto, Giovanni (Milan Bicocca U.)
The identification of a hadron in the final state of hadron-collider events that feature a leptonically decaying vector boson can provide essential information on the parton content of the colliding protons. [...]
ZU-TH 25/24 ; CERN-TH-2024-062 ; arXiv:2405.17540. -
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