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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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2024-05-16
04:17
Giving a $KO$ to 8D Gauge Anomalies / Torres, Ethan (CERN)
In \cite{Garcia-Etxebarria:2017crf}, it was found that the system of $k$ D7-branes probing an $O7^+$-plane suffers from an $\mathfrak{sp}(k)$ gauge anomaly when $k>1$. [...]
CERN-TH-2024-054 ; arXiv:2405.08809. - 16 p.
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