T. Johansson

activity

19982025

most citedSearch for a vector gauge boson in phi meson decays with the KLOE detector

151 citations · 210 across the 7 of their papers we have counts for

collaborators

7 papers

hep-ex2025★ 3 cited

First Measurement of the Decay Dynamics in the Semileptonic Transition of the $D^{+ (0)}$ into the Axial-vector Meson $K ˉ_{1} (1270)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using $e^{+} e^{-}$ data taken at the center-of-mass energy of 3.773 GeV with the BESIII detector, corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ , we report the first measu…

hep-ex2024

Search for the double Dalitz decays $η / η^{'} \to e^{+} e^{-} μ^{+} μ^{-}$ and $η^{'} \to μ^{+} μ^{-} μ^{+} μ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +653

Using a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we search for the decays $η / η^{'} \to e^{+} e^{-} μ^{+} μ^{-}$ and $η^{'} \to μ^{+} μ^{-} μ^{+} μ^{-}$ v…

hep-ex2024★ 5 cited

Observation of the charmonium decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +662

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$ is observed. We determine the p…

hep-ex2014★ 10 cited

Search for the rare decays $J / ψ \to D_{s}^{-} ρ^{+}$ and $J / ψ \to D^{0} K^{* 0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +376

A search for the rare decays of $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J / ψ \to D^{0} K^{* 0} + c . c .$ is performed with a data sample of 225.3 million $J / ψ$ events co…

hep-ex2011★ 151 cited

Search for a vector gauge boson in phi meson decays with the KLOE detector

2 Collaboration

The existence of a light dark force mediator has been tested with the KLOE detector at DAPHNE. This particle, called U, is searched for using the decay chain phi-->etaU, eta-->pi+p…

hep-ph2002★ 2 cited

String model description of polarisation and angular distributions in pbar p -> Lambdabar Lambda at low energies

Stephan Pomp, Gunnar Ingelman, Tord Johansson +1

The observed polarisation of Lambda hyperons from the inclusive pA -> Lambda X reaction at high energies has previously been well described within the Lund string model through pol…

nucl-ex1998★ 39 cited

Higher Partial Waves in p+p->p+p+eta near Threshold

H. Calen, J. Dyring, G. Faldt +35

Exclusive measurements of the production of eta mesons in the p+p->p+p+eta reaction have been carried out at excess energies of 16 and 37 MeV above threshold. The deviations from p…

First Measurement of the Decay Dynamics in the Semileptonic Transition of the D+(0) into the Axial-vector Meson Kˉ1​(1270)

Search for the double Dalitz decays η/η′→e+e−μ+μ− and η′→μ+μ−μ+μ−

Observation of the charmonium decay ηc​→γγ in J/ψ→γηc​

Search for the rare decays J/ψ→Ds−​ρ+ and J/ψ→D0K∗0