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Off-shell Higgs Interpretations Task Force : Models and Effective Field Theories Subgroup Report
/ Azatov, Aleksandr (SISSA, Trieste ; INFN, Trieste) ; Falkowski, Adam (U. Paris-Saclay ; CNRS, France ; Paris, IN2P3 ; IJCLab, Orsay) ; Gritsan, Andrei V. (Johns Hopkins U.) ; Grojean, Christophe (DESY ; Humboldt U., Berlin) ; Kauer, Nikolas (Royal Holloway, U. of London) ; Salvioni, Ennio (Padua U. ; INFN, Padua) ; Thomas, Marion (Manchester U.) ; Vryonidou, Eleni (Manchester U.) ; Kang, Lucas (Johns Hopkins U.) ; de Blas, Jorge (CAFPE, Granada) et al.
This report presents the results of the Models and Effective Field Theories Subgroup of the Off-Shell Interpretations Task Force in the LHC Higgs Working Group. The main goal of the subgroup was to discuss and advance the potential impact of off-shell Higgs measurements on searches for BSM physics carried out in the EFT framework or as benchmark model studies. [...]
LHCHWG-2022-001.-
Geneva : CERN, 16 - 54 p.
- Published in : 10.17181/LHCHWG-2022-001
Fulltext: PDF;
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Truncation, validity, uncertainties
/ Brivio, Ilaria (Heidelberg U. ; Zurich U.) ; Dawson, Sally (Brookhaven) ; de Blas, Jorge (CAFPE, Granada ; Granada U., Theor. Phys. Astrophys. ; CERN) ; Durieux, Gauthier (CERN) ; Petrucciani, Giovanni (CERN) ; Savard, Pierre (Toronto U.) ; Berger, Nicolas (Annecy, LAPP) ; Contino, Roberto (Rome U.) ; Degrande, Céline (Louvain U., CP3) ; Falkowski, Adam (IJCLab, Orsay) et al.
The truncation of the standard-model effective field theory, its validity and the associated uncertainties have been discussed in meetings of the LHC EFT WG. Proposals were made by participants to address these issues. [...]
CERN-LHCEFTWG-2021-002; CERN-LPCC-2022-01; arXiv:2201.04974.-
21 - 8 p.
Fulltext: PDF; v2 draft: PDF;
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EFT at FASER$\nu$
/ Falkowski, Adam (IJCLab, Orsay) ; González-Alonso, Martín (Valencia U.) ; Kopp, Joachim (CERN ; U. Mainz, PRISMA) ; Soreq, Yotam (CERN ; Technion) ; Tabrizi, Zahra (Virginia Tech.)
We investigate the sensitivity of the FASER$\nu$ detector to new physics in the form of non-standard neutrino interactions. FASER$\nu$, which has recently been installed 480 m downstream of the ATLAS interaction point, will for the first time study interactions of multi-TeV neutrinos from a controlled source. [...]
arXiv:2105.12136.-
2021-10-12 - 44 p.
- Published in : JHEP 2110 (2021) 086
Fulltext: 2105.12136 - PDF; document - PDF;
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Light quark Yukawas in triboson final states
/ Falkowski, Adam (IJCLab, Orsay) ; Ganguly, Sanmay (Weizmann Inst.) ; Gras, Phillippe (IRFU, Saclay) ; No, Jose Miguel (Madrid, Autonoma U.) ; Tobioka, Kohsaku (Florida State U. ; KEK, Tsukuba) ; Vignaroli, Natascia (Pisa U. ; INFN, Pisa) ; You, Tevong (CERN ; Cambridge U., DAMTP)
Triple heavy vector boson production, $p p \to VVV$$(V = W, Z)$, has recently been observed for the first time. We propose that precision measurements of this process provide an excellent probe of the first generation light quark Yukawa couplings. [...]
arXiv:2011.09551; CERN-TH-2020-191; IFT-UAM/CSIC-20-158; FTUAM-20-25; KEK-TH-2276;.-
2021-04-02 - 23 p.
- Published in : JHEP 2104 (2021) 023
Article from SCOAP3: PDF; Fulltext: PDF;
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The CKM parameters in the SMEFT
/ Descotes-Genon, Sébastien (Orsay, LPT) ; Falkowski, Adam (Orsay, LPT) ; Fedele, Marco (ICC, Barcelona U.) ; González-Alonso, Martín (CERN) ; Virto, Javier (Munich, Tech. U. ; MIT, Cambridge, CTP)
The extraction of the Cabibbo-Kobayashi-Maskawa (CKM) matrix from flavour observables can be affected by physics beyond the Standard Model (SM). We provide a general roadmap to take this into account, which we apply to the case of the Standard Model Effective Field Theory (SMEFT). [...]
arXiv:1812.08163; LPT Orsay 18-92; CERN-TH-2018-276; TUM-HEP-1178/18; MIT-CTP/5081,
NIOBE-2018-01.-
2019-05-27 - 37 p.
- Published in : JHEP 1905 (2019) 172
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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Compilation of low-energy constraints on 4-fermion operators in the SMEFT
/ Falkowski, Adam (Orsay, LPT) ; González-Alonso, Martín (Lyon, IPN ; CERN) ; Mimouni, Kin (ITPP, Lausanne)
We compile information from low-energy observables sensitive to flavor-conserving 4-fermion operators with two or four leptons. Our analysis includes data from e+e- colliders, neutrino scattering on electron or nucleon targets, atomic parity violation, parity-violating electron scattering, and the decay of pions, neutrons, nuclei and tau leptons. [...]
arXiv:1706.03783.-
2017-08-28 - 40 p.
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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