Institute of Physics of the Slovak Academy of Sciences

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19942026

most citedQuantum secret sharing

3.4k citations

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hep-ph2023★ 4 cited

Search for damped oscillating structures from charged pion electromagnetic form factor data

Erik Bartoš, Stanislav Dubnička, Anna Zuzana Dubničková

The damped oscillating structures recently revealed by a three parametric formula from the proton ``effective'' form factor data extracted of the measured total cross section $σ^{b…

hep-ph2021★ 1 cited

Coupled-channel analysis of the process $γ γ \to π^{0} π^{0}$

Yury S. Surovtsev, Petr Bydžovský, Thomas Gutsche +3

We study the process $γ γ \to π^{0} π^{0}$ involving the principle mechanisms, the structure of its cross section and the role of individual isoscalar-tensor resonances in the saturation o…

hep-ph2018★ 26 cited

Study of $B_{s} \to ℓ^{+} ℓ^{-} γ$ decays in covariant quark model

Stanislav Dubnička, Anna Z. Dubničková, Mikhail A. Ivanov +3

We study the rare radiative leptonic decays $B_{s} \to ℓ^{+} ℓ^{-} γ$ ( $ℓ = e, μ, τ$ ) within the Standard Model, considering both the structure-dependent amplitude and bremsstrahlung. I…

hep-ph2017★ 3 cited

Effect of the $K K$ and $η η$ channels and interference phenomena in the two-pion and $K K$ transitions of charmonia and bottomonia

Yury S. Surovtsev, Petr Bydžovský, Thomas Gutsche +3

It is shown that the basic shape of dipion and $K K$ mass spectra in decays $J / ψ \to ϕ (π π, K K)$ , $ψ (2 S) \to J / ψ π π$ , $Y (4260) \to J / ϕ π π$ and in the two-pion trans…

hep-ph2017★ 28 cited

Study of $B_{c}$ decays into charmonia and $D$ mesons

Stanislav Dubnicka, Anna Z. Dubnickova, Aidos Issadykov +2

In the wake of recent measurements of the decays $B_{c}^{+} \to J / ψ D_{s}^{+}$ and $B_{c}^{+} \to J / ψ D_{s}^{* +}$ performed by the LHCb and ATLAS Collaborations, we recalculate their branching…

hep-ph2016

Effect of the $η η$ channel and interference phenomena in the two-pion transitions of charmonia and bottomonia

Yu. S. Surovtsev, P. Bydžovský, T. Gutsche +3

The basic shape of di-pion mass spectra in the two-pion transitions of both charmonia and bottomonia states is explained by an unified mechanism based on contributions of the $π π$ ,…

hep-ph2016

The interference effects of multi-channel pion-pion scattering contributions to the final states of $Ψ$ - and $Υ$ -meson family decays

Yu. S. Surovtsev, P. Bydžovský, T. Gutsche +3

It is shown that the basic shape of dipion mass distributions in the two-pion transitions of both charmonia and bottomonia states are explained by an unified mechanism based on the…

hep-ph2016★ 10 cited

Numerical values of $f^{F}$ , $f^{D}$ , $f^{S}$ coupling constants in $S U (3)$ invariant interaction Lagrangian of vector-meson nonet with $1/ 2^{+}$ octet baryons

C. Adamuscin, E. Bartos, S. Dubnicka +1

It is demonstrated how an utilization of all existing experimental information on electric and magnetic nucleon form factors, to be described by the Unitary and Analytic (U\&A) nuc…

hep-ph2016★ 23 cited

Decay $B_{s} \to ϕ ℓ^{+} ℓ^{-}$ in covariant quark model

Stanislav Dubnička, Anna Z. Dubničková, Aidos Issadykov +3

Our article is devoted to the study of the rare $B_{s} \to ϕ ℓ^{+} ℓ^{-}$ decay where $ℓ = μ, τ$ . We compute the relevant form factors in the framework of the covariant quark model wi…

hep-ph2015★ 14 cited

Decay $B \to K^{*} (\to K π) ℓ^{+} ℓ^{-}$ in covariant quark model

Stanislav Dubnička, Anna Z. Dubničková, Nurgul Habyl +3

Our article is devoted to the study of the rare $B \to K^{*} ℓ^{+} ℓ^{-}$ ~decay where $ℓ = e, μ, τ$ . We compute the relevant form factors in the framework of the covariant quark mo…

hep-ph2015

Effect of coupled channels of the multi-channel pion-pion scattering in two-pion transitions of the $Υ$ mesons

Yu. S. Surovtsev, P. Bydžovský, T. Gutsche +3

The effect of isoscalar S-wave processes $π π \to π π, K K, η η$ is considered in the analysis of data (from the ARGUS, CLEO, CUSB, Crystal Ball, Belle, BABAR collaborations) on…

hep-ph2015★ 4 cited

Unified description of BaBar and Belle data on the bottomonia decays Upsilon(mS) -> Upsilon(nS) pi+ pi-

Yurii S. Surovtsev, Petr Bydzovsky, Thomas Gutsche +3

We present a unified analysis of the decays of bottomonia Upsilon(mS) -> Upsilon(nS) pi pi (m>n, m=2,3,4,5, n=1,2,3), charmonia J/psi -> phi (pi pi, K antiK), psi(2S) -> J/psi pi p…

hep-ph2015★ 4 cited

Decay of Resonaces in Strong Magnetic Field

Peter Filip

We suggest that decay properties (branching ratios) of hadronic resonances may become modified in strong external magnetic field. The behavior of $K^{\pm*}$ , $K^{0 *}$ vector mes…

hep-ph2015★ 5 cited

Role of multichannel pi pi scattering in decays of bottomia

Yurii S. Surovtsev, P. Bydzovsky, Thomas Gutsche +3

The effect of isoscalar S-wave multichannel pi pi -> pi pi, K antiK, eta eta scattering is considered in the analysis of decay data of the Upsilon-mesons. We show that when allowin…

hep-ph2013★ 2 cited

Can Eta mesons have a magnetic moment ?

Peter Filip

The response of pseudoscalar and vector mesons to strong magnetic fields is studied within a simple constituent quark model using analogy with bound states of Positronium. Magnetic…

hep-ph2013★ 17 cited

Decays $B_{s} \to J / ψ + η$ and $B_{s} \to J / ψ + η^{'}$ in the framework of covariant quark model

Stanislav Dubnička, Anna Z. Dubničková, Mikhail A. Ivanov +1

The covariant quark model represents an appropriate theoretical framework to describe the recent results on $B_{s} \to J / ψ + η$ and $B_{s} \to J / ψ + η^{'}$ decays from the B…

hep-ph2012★ 10 cited

Can parameters of f_0-mesons be determined correctly analyzing only pion-pion scattering?

Yu. S. Surovtsev, P. Bydzovsky, R. Kaminski +2

The coupled processes -- the pion-pion scattering and pi pi --> K antiK in the I^GJ^{PC}=0^+0^{++} channel -- are analyzed (both separately and combined) in a model-independent app…

hep-ph2012

Meson electromagnetic form factors

Stanislav Dubnicka, Anna Z. Dubnickova

The electromagnetic structure of the pseudoscalar meson nonet is completely described by the sophisticated Unitary&Analytic model, respecting all known theoretical properties of th…

hep-ph2012★ 9 cited

Parameters of scalar resonances from the combined analysis of data on processes $π π \to π π, K K ˉ, η η$ and $J / ψ$ decays

Yu. S. Surovtsev, P. Bydzovsky, R. Kaminski +2

A combined analysis of data on isoscalar S-wave processes $π π \to π π, K K, η η$ and on decays $J / ψ \to ϕ π π, ϕ K K$ from the DM2, Mark III and BESIII collaborations is pe…

hep-ph2012★ 10 cited

Masses and widths of scalar-isoscalar multi-channel resonances from data analysis

Yurii S. Surovtsev, Petr Bydzovsky, Robert Kaminski +2

Peculiarities of obtaining parameters for broad multi-channel resonances from data are discussed analyzing the experimental data on processes $π π \to π π, K K ˉ$ in the $I^GJ^{PC}=0…

hep-ph2011★ 2 cited

Exclusive production of the BSM Higgs bosons at the LHC

S. Heinemeyer, V. A. Khoze, M. G. Ryskin +2

We review the prospects for Central Exclusive Production (CEP) of BSM Higgs bosons at the LHC using forward proton detectors proposed to be installed at 220 m and 420 m from the AT…

hep-ph2011★ 62 cited

One-photon decay of the tetraquark state $X (3872) \to γ + J / ψ$ in a relativistic constituent quark model with infrared confinement

Stanislav Dubnicka, Anna Z. Dubnickova, Mikhail A. Ivanov +3

We further explore the consequences of treating the X(3872) meson as a tetraquark bound state by analyzing its one-photon decay X => γ+ J/psi in the framework of our approach devel…

hep-ph2011

The Entropic Uncertainty Principle for Decaying Systems and CP violation

Beatrix C. Hiesmayr

Employing an effective formalism for decaying system we are able to investigate Heisenberg's uncertainty relation for observables measured at accelerator facilities. In particular…

hep-ph2010★ 73 cited

Quark model description of the tetraquark state X(3872) in a relativistic constituent quark model with infrared confinement

Stanislav Dubnicka, Anna Z. Dubnickova, Mikhail A. Ivanov +1

We explore the consequences of treating the X(3872) meson as a tetraquark bound state. As dynamical framework we employ a relativistic constituent quark model which includes infrar…

Search for damped oscillating structures from charged pion electromagnetic form factor data

Coupled-channel analysis of the process γγ→π0π0

Study of Bs​→ℓ+ℓ−γ decays in covariant quark model

Effect of the KK and ηη channels and interference phenomena in the two-pion and KK transitions of charmonia and bottomonia

Study of Bc​ decays into charmonia and D mesons

Effect of the ηη channel and interference phenomena in the two-pion transitions of charmonia and bottomonia

The interference effects of multi-channel pion-pion scattering contributions to the final states of Ψ- and Υ-meson family decays

Numerical values of fF, fD, fS coupling constants in SU(3) invariant interaction Lagrangian of vector-meson nonet with 1/2+ octet baryons

Decay Bs​→ϕℓ+ℓ− in covariant quark model

Decay B→K∗(→Kπ)ℓ+ℓ− in covariant quark model

Effect of coupled channels of the multi-channel pion-pion scattering in two-pion transitions of the Υ mesons

Unified description of BaBar and Belle data on the bottomonia decays Upsilon(mS) -> Upsilon(nS) pi+ pi-

Decay of Resonaces in Strong Magnetic Field

Role of multichannel pi pi scattering in decays of bottomia

Can Eta mesons have a magnetic moment ?

Decays Bs​→J/ψ+η and Bs​→J/ψ+η′ in the framework of covariant quark model

Can parameters of f_0-mesons be determined correctly analyzing only pion-pion scattering?

Meson electromagnetic form factors

Parameters of scalar resonances from the combined analysis of data on processes ππ→ππ,KKˉ,ηη and J/ψ decays

Masses and widths of scalar-isoscalar multi-channel resonances from data analysis

Exclusive production of the BSM Higgs bosons at the LHC

One-photon decay of the tetraquark state X(3872)→γ+J/ψ in a relativistic constituent quark model with infrared confinement

The Entropic Uncertainty Principle for Decaying Systems and CP violation

Quark model description of the tetraquark state X(3872) in a relativistic constituent quark model with infrared confinement

Coupled-channel analysis of the process $γ γ \to π^{0} π^{0}$

Study of $B_{s} \to ℓ^{+} ℓ^{-} γ$ decays in covariant quark model

Effect of the $K K$ and $η η$ channels and interference phenomena in the two-pion and $K K$ transitions of charmonia and bottomonia

Study of $B_{c}$ decays into charmonia and $D$ mesons

Effect of the $η η$ channel and interference phenomena in the two-pion transitions of charmonia and bottomonia

The interference effects of multi-channel pion-pion scattering contributions to the final states of $Ψ$ - and $Υ$ -meson family decays

Numerical values of $f^{F}$ , $f^{D}$ , $f^{S}$ coupling constants in $S U (3)$ invariant interaction Lagrangian of vector-meson nonet with $1/ 2^{+}$ octet baryons

Decay $B_{s} \to ϕ ℓ^{+} ℓ^{-}$ in covariant quark model

Decay $B \to K^{*} (\to K π) ℓ^{+} ℓ^{-}$ in covariant quark model

Effect of coupled channels of the multi-channel pion-pion scattering in two-pion transitions of the $Υ$ mesons

Decays $B_{s} \to J / ψ + η$ and $B_{s} \to J / ψ + η^{'}$ in the framework of covariant quark model

Parameters of scalar resonances from the combined analysis of data on processes $π π \to π π, K K ˉ, η η$ and $J / ψ$ decays

One-photon decay of the tetraquark state $X (3872) \to γ + J / ψ$ in a relativistic constituent quark model with infrared confinement