V. Brekhovskikh

activity

20052022

π^{+} π^{-}

atom lifetime

106 citations · 268 across the 11 of their papers we have counts for

collaborators

11 papers

hep-ex2022

Investigation of $K^{+} K^{-}$ pairs in the effective mass region near $2 m_{K}$

B. Adeva, L. Afanasyev, A. Anania +53

The DIRAC experiment at CERN investigated in the reaction $p (24 GeV /c) + Ni$ the particle pairs $K^{+} K^{-}, π^{+} π^{-}$ and $p p ˉ$ with relative momentum $Q$ in the pair s…

hep-ex2018★ 5 cited

First measurement of a long-lived $π^{+} π^{-}$ atom lifetime

B. Adeva, L. Afanasyev, A. Anania +56

The adapted DIRAC experiment at the CERN PS accelerator observed for the first time long-lived hydrogen-like $π^{+} π^{-}$ atoms, produced by protons hitting a beryllium target. A part…

hep-ex2018★ 5 cited

Study of the decay $K^{+} \to π^{+} π^{-} π^{+} γ$ in the OKA experiment

M. M. Shapkin, S. A. Akimenko, A. V. Artamonov +37

A high statistics data sample of the decays of $K^{+}$ mesons to three charged particles was accumulated by the OKA experiment in 2012 and 2013. This allowed to select a clean sample…

hep-ex2017★ 25 cited

Search for heavy neutrino in $K^{+} \to μ^{+} ν_{H}$ decay

A. S. Sadovsky, V. F. Kurshetsov, A. P. Filin +38

A high statistics data sample of the $K^{+} \to μ^{+} ν_{μ}$ decay was accumulated by the OKA experiment in 2012. The missing mass analysis was performed to search for the decay channel…

hep-ex2017★ 8 cited

$K_{e 3}$ decay studies in OKA experiment

O. P. Yushchenko, V. F. Kurshetsov, A. P. Filin +38

Recent results from OKA setup concerning form factor studies in $K_{e 3}$ decay are presented. About 5.25M events are selected for the analysis. The linear and quadratic slopes for…

hep-ex2017★ 11 cited

Measurement of the $π K$ atom lifetime and the $π K$ scattering length

DIRAC Collaboration, B. Adeva, L. Afanasyev +62

After having announced the statistically significant observation (5.6~ $σ$ ) of the new exotic $π K$ atom, the DIRAC experiment at the CERN proton synchrotron presents the measurement…

hep-ex2016★ 14 cited

Observation of $π^{-} K^{+}$ and $π^{+} K^{-}$ atoms

DIRAC Collaboration

The observation of hydrogen-like $π K$ atoms, consisting of $π^{-} K^{+}$ or $π^{+} K^{-}$ mesons, is presented. The atoms have been produced by 24 GeV/ $c$ protons from the CERN PS accelera…

nucl-ex2014★ 25 cited

First $π K$ atom lifetime and $π K$ scattering length measurements

B. Adeva, L. Afanasyev, Y. Allkofer +65

The results of a search for hydrogen-like atoms consisting of $π^{\mp} K^{\pm}$ mesons are presented. Evidence for $π K$ atom production by 24 GeV/c protons from CERN PS interacting…

hep-ex2011★ 52 cited

Determination of $π π$ scattering lengths from measurement of $π^{+} π^{-}$ atom lifetime

B. Adeva, L. Afanasyev, M. Benayoun +92

The DIRAC experiment at CERN has achieved a sizeable production of $π^{+} π^{-}$ atoms and has significantly improved the precision on its lifetime determination. From a sample of 21227…

hep-ex2009★ 17 cited

Evidence for $π K$ -atoms with DIRAC

B. Adeva, L. Afanasyev, Y. Allkofer +77

We present evidence for the first observation of electromagnetically bound $π^{\pm} K^{\mp}$ -pairs ( $π K$ -atoms) with the DIRAC experiment at the CERN-PS. The $π K$ -atoms are produced by…

hep-ex2005★ 106 cited

First measurement of the $π^{+} π^{-}$ atom lifetime

The DIRAC collaboration

The goal of the DIRAC experiment at CERN (PS212) is to measure the $π^{+} π^{-}$ atom lifetime with 10% precision. Such a measurement would yield a precision of 5% on the value of the $…

Investigation of K+K− pairs in the effective mass region near 2mK​

First measurement of a long-lived π+π− atom lifetime

Study of the decay K+→π+π−π+γ in the OKA experiment

Search for heavy neutrino in K+→μ+νH​ decay

Ke3​ decay studies in OKA experiment

Measurement of the πK atom lifetime and the πK scattering length

Observation of π−K+ and π+K− atoms

First πK atom lifetime and πK scattering length measurements

Determination of ππ scattering lengths from measurement of π+π− atom lifetime

Evidence for πK-atoms with DIRAC

First measurement of the π+π− atom lifetime