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CERN Accelerating science

CERN Document Server Намерени са 2,029 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.49 секунди. 
1.
Gauge-invariant implications of the LHCb measurements on lepton-flavor nonuniversality / Celis, Alejandro (Munich U. ; Munich U., ASC) ; Fuentes-Martin, Javier (Valencia U., IFIC) ; Vicente, Avelino (Valencia U., IFIC) ; Virto, Javier (U. Bern, AEC)
We study the implications of the recent measurements of $R_K$ and $R_{K^*}$ by the LHCb collaboration. We do that by adopting a model-independent approach based on the Standard Model Effective Field Theory (SMEFT), in which the dominant new physics effects are encoded in the coefficients of dimension-six operators respecting the full Standard Model (SM) gauge symmetry. [...]
arXiv:1704.05672; LMU-ASC-25-17; IFIC-17-20.- 2017-08-25 - 8 p. - Published in : Phys. Rev. D 96 (2017) 035026 Preprint: PDF;
2.
LHC bounds on colored scalars / Miralles, Víctor (Valencia U., IFIC) ; Pich, Antonio (Valencia U., IFIC)
We analyze the constraints on coloured scalar bosons imposed by the current LHC data at $\sqrt{s}=13$ TeV. Specifically, we consider an additional electroweak doublet of colour-octet scalars, satisfying the principle of Minimal Flavour Violation in order to fulfill the stringent experimental limits on flavour-changing neutral currents. [...]
arXiv:1910.07947; IFIC/19-43.- 2019-12-25 - 11 p. - Published in : Phys. Rev. D 100 (2019) 115042 Article from SCOAP3: PDF; Fulltext: PDF;
3.
Study of SMEFT BSM operators in the context of the CMS $H$ → $\gamma\gamma$ analysis using NLO simulation / Quni, Bardh
We consider the Higgs boson differential production cross-sections for gluon fusion as a function of several observables [...]
CERN-THESIS-2020-109 -

Fulltext
4.
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;
5.
Upgrade and scientific programme of LUCRECIA, the Total Absorption Spectrometer at ISOLDE / Nacher, Enrique (Instituto de Física Corpuscular, CSIC - Universidad de Valencia, E-46071 Valencia, Spain) ; Algora, Alejandro (Instituto de Física Corpuscular, CSIC - Universidad de Valencia, E-46071 Valencia, Spain) ; Rubio, Berta (Instituto de Física Corpuscular, CSIC - Universidad de Valencia, E-46071 Valencia, Spain)
CERN-INTC-2020-007 ; INTC-I-210.
- 2020.
Fulltext
6.
Neutrinos as a Window to New Physics / Kopp, Joachim (speaker) (CERN)
We discuss some of the manifold ways in which physics beyond the Standard Model (SM) can manifest itself in the neutrino sector. We begin with the dimension-4 "neutrino portal" which leads to mixing between SM neutrino and any new singlet fermion [...]
2021 - 1:15:47. Theory Colloquia External link: Event details In : Neutrinos as a Window to New Physics
7.
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;
8.
Flavour Dynamics and Violations of the CP Symmetry / Pich, Antonio (Valencia U., IFIC)
An overview of flavour physics and CP-violating phenomena is presented. The Standard Model quark-mixing mechanism is discussed in detail and its many successful experimental tests are summarized. [...]
arXiv:1805.08597; IFIC/18-18; FTUV/18-0517; IFIC-18-18; FTUV-18-0517.- 2018-12-21 - 38 p. - Published in : CERN Yellow Rep. School Proc. 4 (2018) 63
In : 2017 CERN - Latin-American School of High-Energy Physics, pp.65
9.
Sensitivity study of dimension-6 operators in the WZ polarization phase space / Daberstiel, Gregor Kurt Rudolf
Resulting from the Higgs mechanism of electroweak symmetry breaking in the standard model (SM) vector bosons (VB) gain mass and an additional degree of freedom in their possible polarization states [...]
CERN-THESIS-2023-347 - 70.

10.
Shedding light on the $b\to s$ anomalies with a dark sector / Aristizabal Sierra, D. (Liege U.) ; Staub, Florian (CERN) ; Vicente, Avelino (Liege U. ; Valencia U., IFIC)
The LHCb collaboration has recently reported on some anomalies in $b\to s$ transitions. In addition to discrepancies with the Standard Model (SM) predictions in some angular observables and branching ratios, an intriguing hint for lepton universality violation was found. [...]
arXiv:1503.06077; CERN-PH-TH-2015-058; CERN-PH-TH-2015-058.- Geneva : CERN, 2015-07-06 - 11 p. - Published in : Phys. Rev. D 92 (2015) 015001 APS Open Access article: PDF; Preprint: PDF; External link: Preprint

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