Effective theory approach to new physics with flavour: general framework and a leptoquark example
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2020)067
Abstract: Extending the Standard Model with higher-dimensional operators in an effective field theory (EFT) approach provides a systematic framework to study new physics (NP) effects from a bottom-up perspective, as long as the NP scale is… read more here.
Keywords: theory; framework; physics; new physics ... See more keywords
O new physics, where art thou? A global search in the top sector
Sign Up to like & getrecommendations! Published in 2020 at "Journal of High Energy Physics"
DOI: 10.1007/jhep02(2020)131
Abstract: We provide a comprehensive global analysis of Run II top measurements at the LHC in terms of dimension-6 operators. A distinctive feature of the top sector as compared to the Higgs-electroweak sector is the large… read more here.
Keywords: physics; physics art; sector; new physics ... See more keywords
The time-dependent angular analysis of Bd → KSℓℓ, a new benchmark for new physics
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep02(2021)129
Abstract: We consider the time-dependent analysis of Bd → KSll taking into account the time-evolution of the Bd meson and its mixing into $$ {\overline{B}}_d $$ . We discuss the angular conventions required to define the… read more here.
Keywords: time; physics; physics time; new physics ... See more keywords
Electroweak loops as a probe of new physics in $$ t\overline{t} $$ production at the LHC
Sign Up to like & getrecommendations! Published in 2020 at "Journal of High Energy Physics"
DOI: 10.1007/jhep04(2020)017
Abstract: We calculate the $\mathcal{O}(\alpha)$ weak corrections to top quark pair production at the LHC and include anomalous electroweak interactions from dimension-six operators. The loop calculation and renormalization are consistently done within the Standard Model Effective… read more here.
Keywords: production lhc; electroweak loops; physics; new physics ... See more keywords
Continuing search for new physics in b → sμμ decays: two operators at a time
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep06(2019)089
Abstract: A bstractThe anomalies in the measurements of observables involving b → sμμ decays, namely RK, RK*, P5′, and Bsϕ, may be addressed by adding lepton-universality-violating new physics contributions to the effective operators O9,O10,O9′,O10′$$ {\mathcal{O}}_{\mathcal{9}},{\mathcal{O}}_{10},{\mathcal{O}}_9^{\prime },{\mathcal{O}}_{10}^{\prime… read more here.
Keywords: mathcal prime; physics; new physics; mathrm mathcal ... See more keywords
On the systematic uncertainties in DUNE and their role in New Physics studies
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep08(2018)028
Abstract: A bstractIn the recent years experiments have established the existence of neutrino oscillations and most of the oscillation parameters have been measured with a good accuracy. The search for New Physics in neutrino oscillation will… read more here.
Keywords: dune role; uncertainties dune; systematic uncertainties; physics ... See more keywords
New physics searches at the ILC positron and electron beam dumps
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep09(2021)183
Abstract: Abstract We study capability of the ILC beam dump experiment to search for new physics, comparing the performance of the electron and positron beam dumps. The dark photon, axion-like particles, and light scalar bosons are… read more here.
Keywords: physics; new physics; beam dump; electron ... See more keywords
Probing new physics in class-I B-meson decays into heavy-light final states
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep10(2021)235
Abstract: Abstract With updated experimental data and improved theoretical calculations, several significant deviations are being observed between the Standard Model predictions and the experimental measurements of the branching ratios of $$ {\overline{B}}_{(s)}^0\to {D}_{(s)}^{\left(\ast \right)+}{L}^{-} $$ B… read more here.
Keywords: meson decays; physics; new physics; four quark ... See more keywords
What measurements of neutrino neutral current events can reveal
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DOI: 10.1007/jhep11(2017)202
Abstract: A bstractWe show that neutral current (NC) measurements at neutrino detectors can play a valuable role in the search for new physics. Such measurements have certain intrinsic features and advantages that can fruitfully be combined… read more here.
Keywords: physics; neutral current; neutrino neutral; measurements neutrino ... See more keywords
Revisiting the new-physics interpretation of the b → cτν data
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep12(2019)065
Abstract: Abstract We revisit the status of the new-physics interpretations of the anomalies in semileptonic B decays in light of the new data reported by Belle on the lepton-universality ratios R D(*) using the semileptonic tag… read more here.
Keywords: interpretation data; physics; new physics; revisiting new ... See more keywords
Angular distributions of B‾→D(⁎)ℓν‾ℓ decays and search of New Physics
Sign Up to like & getrecommendations! Published in 2019 at "Nuclear Physics B"
DOI: 10.1016/j.nuclphysb.2019.114707
Abstract: We derive the expressions for the full angular distributions of $\bar B\to D\ell\bar \nu_\ell$ and $\bar B\to D^{\ast }\ell\bar \nu_\ell$ decays and discuss the spectra on each angle separately. The coefficient functions, depending on helicity… read more here.
Keywords: bar; physics; new physics; bar ell ... See more keywords