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Ultimi arrivi:
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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2024-06-01
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
04:40
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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2024-05-29
05:22
Improving Neutrino Energy Reconstruction with Machine Learning / Kopp, Joachim (CERN ; Mainz U., Inst. Phys. ; U. Mainz, PRISMA) ; Machado, Pedro (Fermilab) ; MacMahon, Margot (University Coll. London) ; Martinez-Soler, Ivan (Durham U., IPPP)
Faithful energy reconstruction is foundational for precision neutrino experiments like DUNE, but is hindered by uncertainties in our understanding of neutrino--nucleus interactions. [...]
arXiv:2405.15867 ; CERN-TH-2024-066 ; MITP-24-052 ; FERMILAB-PUB-24-0276-T ; IPPP/24/26.
- 6 p.
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2024-05-25
05:16
Determining $\alpha_s(m_Z)$ from Thrust with Power Corrections / Benitez-Rathgeb, Miguel A. (Salamanca U., IUFFyM) ; Hoang, André H. (Vienna U.) ; Mateu, Vicent (Salamanca U., IUFFyM) ; Stewart, Iain W. (MIT, Cambridge, CTP) ; Vita, Gherardo (CERN)
We update and extend a previous N$^3$LL$^\prime$+${\cal O}(\alpha_s^3)$ strong coupling determination from thrust data. [...]
arXiv:2405.14380 ; MIT/CTP-5723 ; CERN-TH-2024-063 ; UWThPh 2024-12.
- 4 p.
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2024-05-23
04:54
Gravitational Wave-Induced Freeze-In of Fermionic Dark Matter / Maleknejad, Azadeh (King's Coll. London) ; Kopp, Joachim (CERN ; Mainz U., Inst. Phys. ; U. Mainz, PRISMA)
The minimal coupling of massless fermions to gravity does not allow for their gravitational production solely based on the expansion of the Universe. [...]
arXiv:2405.09723 ; KCL-PH-TH/2024-28 ; CERN-TH-2024-061 ; MITP-24-050.
- 6 p.
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2024-05-16
04:22
In Search of the Biggest Bangs since the Big Bang / Ellis, John ; Fairbairn, Malcolm ; Urrutia, Juan ; Vaskonen, Ville
Many galaxies contain supermassive black holes (SMBHs), whose formation and history raise many puzzles. [...]
KCL-PH-TH/2024-27 ; CERN-TH-2024-058 ; AION-REPORT/2024-04 ; arXiv:2405.08522.
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2024-05-16
04:17
Status of Dark Photons / Cline, James M. (CERN ; McGill U.)
I review recent developments in the field of dark photons-here taken to be U(1) gauge bosons with mass less than the Z-including both kinetically mixed vectors and those that couple to anomaly-free U(1)'s. [...]
arXiv:2405.08534 ; CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060CERN-TH-2024-060 CERN-TH-2024-060.
- 8 p.
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2024-05-16
04:17
Lepton-Pair Scattering With an Off-Shell and an On-Shell Photon at Two Loops in Massless QED / Zoia, Simone (CERN)
I present the computation of the two-loop amplitudes for the scattering of a lepton pair with an off-shell and an on-shell photon in massless QED. [...]
arXiv:2405.08750 ; CERN-TH-2024-059.
- 4 p.
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