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2023-03-29
08:07
Centrality-dependent modification of hadron and jet production in electron-nucleus collisions / Li, Hai Tao (Shandong U.) ; Liu, Ze Long (CERN) ; Vitev, Ivan (Los Alamos ; Sichuan U.)
Centrality-dependent measurements of hadron and jet cross section attenuation in deep inelastic scattering on nuclei can shed new light on the physics of final-state interactions in the nuclear matter, including the path-length dependence of the in-medium parton shower formation and evolution. [...]
arXiv:2303.14201 ; CERN-TH-2023-048 ; LA-UR-23-22860.
- 8 p.
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2023-03-24
04:58
Deep Learning Searches for Vector-Like Leptons at the LHC and Electron/Muon Colliders / Morais, António P. (Aveiro U. ; U. Aveiro (main) ; CERN) ; Onofre, António (LIP, Minho) ; Freitas, Felipe F. (Aveiro U. ; U. Aveiro (main)) ; Gonçalves, João (Aveiro U. ; U. Aveiro (main)) ; Pasechnik, Roman (Lund U.) ; Santos, Rui (Lisbon U., CFTC ; Lisbon, ISEL)
The discovery potential of both singlet and doublet vector-like leptons (VLLs) at the Large Hadron Collider (LHC) as well as at the not-so-far future muon and electron machines is explored. The focus is on a single production channel for LHC direct searches while double production signatures are proposed for the leptonic colliders. [...]
arXiv:2108.03926; CERN-TH-2022-217.- 2023-03-21 - 24 p. - Published in : Eur. Phys. J. C 83 (2023) 232 Fulltext: document - PDF; 2108.03926 - PDF;

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2023-03-22
05:32
Determining probability density functions with adiabatic quantum computing / Robbiati, Matteo (CERN ; Milan U. ; INFN, Milan) ; Cruz-Martinez, Juan M. (CERN) ; Carrazza, Stefano (CERN ; Milan U. ; INFN, Milan ; Technol. Innovation Inst., UAE)
A reliable determination of probability density functions from data samples is still a relevant topic in scientific applications. [...]
arXiv:2303.11346 ; TIF-UNIMI-2023-9 ; CERN-TH-2023-042.
- 7 p.
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2023-03-22
05:32
Bayesian inference for form-factor fits regulated by unitarity and analyticity / Flynn, J.M. ; Jüttner, A. ; Tsang, J.T.
We propose a model-independent framework for fitting hadronic form-factor data, which is often only available at discrete kinematical points, using parametristations based on to unitarity and analyticity. [...]
arXiv:2303.11285 ; CERN-TH-2023-047.
- 45 p.
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2023-03-22
05:28
Exclusive semileptonic $B_s\to K \ell \nu$ decays on the lattice / Flynn, J.M. (Southampton U.) ; Hill, R.C. (Edinburgh U.) ; Jüttner, A. (Southampton U. ; CERN) ; Soni, A. (Brookhaven) ; Tsang, J.T. (CERN) ; Witzel, O. (U. Siegen (main))
Semileptonic $B_s \to K \ell \nu$ decays provide an alternative $b$-decay channel to determine the CKM matrix element $|V_{ub}|$, and to obtain a $R$-ratio to investigate lepton-flavor-universality violations. [...]
arXiv:2303.11280 ; CERN-TH-2023-046 FERMILAB-PUB-23-115-V P3H-23-017 SI-HEP-2023-06 ; CERN-TH-2023-046 ; FERMILAB-PUB-23-115-V ; P3H-23-017 ; SI-HEP-2023-06.
- 30 p.
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2023-03-20
04:21
Ultraviolet Sensitivity in Higgs-Starobinsky Inflation / Lee, Sung Mook (IPAP, Seoul ; Yonsei U. ; CERN) ; Modak, Tanmoy (Taiwan, Natl. Taiwan U.) ; Oda, Kin-ya (Tokyo Woman's Christian U.) ; Takahashi, Tomo (Saga U., Japan)
The general scalar-tensor theory that includes all the dimension-four terms has parameter regions that can produce successful inflation consistent with cosmological observations. [...]
arXiv:2303.09866 ; CERN-TH-2023-040.
- 24 p.
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2023-03-18
04:16
Collider constraints on electroweakinos in the presence of a light gravitino / GAMBIT Collaboration
Using the GAMBIT global fitting framework, we constrain the MSSM with an eV-scale gravitino as the lightest supersymmetric particle, and the six electroweakinos (neutralinos and charginos) as the only other light new states. [...]
arXiv:2303.09082 ; TTP23-009 ; KCL-PH-TH/2023-21 ; gambit-physics-23 ; MCnet-23-05, ADP-23-08/T1217 ; CERN-TH-2023-043.
- 38 p.
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2023-03-18
04:16
Scattering amplitudes from dispersive iterations of unitarity / Tourkine, Piotr (Annecy, LAPTH) ; Zhiboedov, Alexander (CERN)
We present and numerically implement a computational method to construct relativistic scattering amplitudes that obey analyticity, crossing, elastic and inelastic unitarity in three and four spacetime dimensions. [...]
arXiv:2303.08839 ; CERN-TH-2023-025.
- 116 p.
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2023-03-17
04:33
On the Running of Gauge Couplings in String Theory / Abel, Steven (Durham U., IPPP ; Durham U., Dept. of Math. ; CERN) ; Dienes, Keith R. (Arizona U. ; Maryland U.) ; Nutricati, Luca A. (Durham U., IPPP ; Durham U., Dept. of Math.)
In this paper we conduct a general, model-independent analysis of the running of gauge couplings within closed string theories. [...]
arXiv:2303.08534 ; CERN-TH-2023-044 ; IPPP/23/16.
- 37 p.
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2023-03-14
09:08
CDF II W-mass anomaly faces first-order electroweak phase transition / Addazi, Andrea (SCU, Chengdu ; Frascati) ; Marciano, Antonino (Frascati ; Fudan U.) ; Morais, António P. (Aveiro U.) ; Pasechnik, Roman (Lund U., Dept. Theor. Phys.) ; Yang, Hao (Fudan U.)
We suggest an appealing strategy to probe a large class of scenarios beyond the Standard Model simultaneously explaining the recent CDF II measurement of the $W$ boson mass and predicting first-order phase transitions (FOPT) testable in future gravitational-wave (GW) experiments. Our analysis deploys measurements from the GW channels and high energy particle colliders. [...]
arXiv:2204.10315; CERN-TH-2023-039.- 2023-03-10 - 6 p. - Published in : Eur. Phys. J. C Fulltext: document - PDF; 2204.10315 - PDF;

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