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Published in 2021 at "Graphs and Combinatorics"
DOI: 10.1007/s00373-021-02376-9
Abstract: Let G be a graph and k an integer with $$2\le k\le n$$ 2 ≤ k ≤ n . The k -tree-connectivity of G , denoted by $$\kappa _k(G)$$ κ k ( G ) ,…
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Keywords:
integer;
connectivity;
ell ell;
tree connectivity ... See more keywords
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Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.101.035017
Abstract: In this paper, limits are set on bileptons masses and couplings in the context of the the 331 Model, as well as generic, non-331 Models predicting bileptons. The following measurable processes are studied: $pp \rightarrow…
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Keywords:
vector bosons;
331 vector;
rightarrow ell;
ell ell ... See more keywords
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Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.101.035022
Abstract: We study the feasibility to observe sterile neutrinos with masses in the range 5 GeV $< m_N < 20$ GeV at the LHC, using exclusive semileptonic modes involving pions, $W\to \ell N \to \pi \ell\ell,…
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Keywords:
light sterile;
decays lhc;
sterile neutrinos;
neutrinos decays ... See more keywords
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Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.101.075049
Abstract: The tripletlike QED processes γ+li→lj+lj-+li with i≠j and i=e, μ, j=e, μ, τ has been investigated as the reactions where a dark photon A′ is produced as a virtual state with a subsequent decay into…
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Keywords:
photon manifestation;
ell ell;
qed processes;
dark photon ... See more keywords
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Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.101.115006
Abstract: We analyze patterns from CP-violating new physics (NP) in hadronic and semileptonic rare charm $\vert \Delta c \vert=\vert \Delta u\vert=1$ transitions. Observation of direct CP-violation in hadronic decays, as in $\Delta A_{\text{CP}}$, provides opportunities for…
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Keywords:
charm;
rare charm;
vert;
delta text ... See more keywords
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Published in 2023 at "Physical Review D"
DOI: 10.1103/physrevd.107.095025
Abstract: New physics in the rare top decays $t \to q \ell^+\ell^-$ is currently very weakly constrained. We show that in a large class of Standard Model extensions, existing experimental constraints on new physics in flavor-conserving…
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Keywords:
physics;
violation;
ell ell;
features new ... See more keywords
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Published in 2017 at "Physical Review D"
DOI: 10.1103/physrevd.95.014026
Abstract: The decay mode $B\to K^*\ell^+\ell^-$ results in the measurement of a large number of related observables by studying the angular distribution of the decay products and is regarded as a sensitive probe of physics beyond…
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Keywords:
ell observables;
ell ell;
implications ell;
physics ... See more keywords
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Published in 2017 at "Physical Review D"
DOI: 10.1103/physrevd.96.093006
Abstract: Author(s): Geng, Li-Sheng; Grinstein, Benjamin; Jaeger, Sebastian; Camalich, Jorge Martin; Ren, Xiu-Lei; Shi, Rui-Xiang | Abstract: Tests of lepton-universality as rate ratios in $b\to s \ell\ell$ transitions can be predicted very accurately in the Standard…
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Keywords:
lepton universality;
universality ratios;
ell ell;
ratios ell ... See more keywords
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Published in 2018 at "Physical Review D"
DOI: 10.1103/physrevd.97.115023
Abstract: Towards experimental confirmations of the type-I seesaw mechanism, we explore a prospect of discovering the heavy Majorana right-handed neutrinos (RHNs) from a resonant production of a new massive gauge boson ($Z^{\prime}$) and its subsequent decay…
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Keywords:
ell ell;
production;
model;
heavy majorana ... See more keywords
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Published in 2018 at "Physical Review D"
DOI: 10.1103/physrevd.98.035033
Abstract: Form factors of the rare $\Lambda_{b}(\Lambda_{b}^*)\to N\ell^{+}\ell^{-}$ decays are calculated in the framework of the light cone QCD sum rules by taking into account of the contributions from the negative parity baryons. Using the obtained…
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Keywords:
form factors;
ell ell;
ell decays;
rar ell ... See more keywords
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Published in 2019 at "European Physical Journal C"
DOI: 10.1140/epjc/s10052-019-7530-9
Abstract: Inspired by the recent hints of lepton flavor universality violation in \(b\rightarrow s\ell \ell \) and \(b\rightarrow c\ell \nu \) transitions, we study lepton flavor violating exclusive \(\Lambda _b\rightarrow \Lambda \ell _1^+\ell _2^-\) (\(\ell _1\ne…
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Keywords:
lepton flavor;
ell ell;
rightarrow;
lambda rightarrow ... See more keywords