T. Johansson

activity

19982022

most citedFuture Physics Programme of BESIII

566 citations · 8.1k across the 252 of their papers we have counts for

collaborators

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17 papers · 1 filter

nucl-ex2019★ 7 cited

Study of Three-Nucleon Dynamics in the dp breakup collisions using the WASA detector

P. Adlarson, W. Augustyniak, W. Bardan +86

Differential cross section for the 1H(d,pp)n breakup reaction at deuteron beam energy of 340 MeV has been measured with the use of WASA detector at COSY-Juelich. The set of proton-…

nucl-ex2018★ 1 cited

Backward single-pion production in the $pd \to^{3} He π^{0}$ reaction with WASA-at-COSY

P. Adlarson, W. Augustyniak, W. Bardan +89

New data on the production of single neutral pions in the $p d \to^{3} He π^{0}$ reaction are presented. For fifteen proton beam momenta between $p_p=1.60\;\textrm{GeV…

nucl-ex2018★ 16 cited

An Isotensor Dibaryon in the $pp \to pp π^{+} π^{-}$ Reaction?

P. Adlarson, W. Augustyniak, W. Bardan +81

Exclusive measurements of the quasi-free $pp \to pp π^{+} π^{-}$ reaction have been carried out at WASA@COSY by means of $p d$ collisions at $T_{p}$ = 1.2 GeV. Total and differential cross…

nucl-ex2017★ 3 cited

Importance of d-wave contributions in the charge symmetry breaking reaction $dd \to^{4} He π^{0}$

P. Adlarson, W. Augustyniak, W. Bardan +89

This letter reports a first quantitative analysis of the contribution of higher partial waves in the charge symmetry breaking reaction $dd \to^{4} He π^{0}$ using the WASA-at-C…

nucl-ex2016★ 20 cited

Measurement of the $ω \to π^{+} π^{-} π^{0}$ Dalitz plot distribution

COSY Collaboration, P. Adlarson, W. Augustyniak +93

Using the production reactions $pd\to {}^3\mbox{He}\,ω$ and $pp \to pp ω$ , the Dalitz plot distribution for the $ω \to π^{+} π^{-} π^{0}$ decay is studied with the WASA detector at COSY, ba…

nucl-ex2016★ 32 cited

Feasibility study for the measurement of $π N$ TDAs at PANDA in $p ˉ p \to J / ψ π^{0}$

PANDA Collaboration, B. Singh, W. Erni +508

The exclusive charmonium production process in $p ˉ p$ annihilation with an associated $π^{0}$ meson $p ˉ p \to J / ψ π^{0}$ is studied in the framework of QCD collinear factorizatio…

nucl-ex2014

MesonNet 2014 International Workshop. Mini-proceedings

P. Adlarson, M. Bashkanov, J. Bijnens +43

The MesonNet International Workshop was held in the Laboratori Nazionali di Frascati from September the 29th to October the 1st, 2014, being the concluding meeting of the MesonNet…

nucl-ex2014★ 14 cited

Cross section ratio and angular distributions of the reaction p + d -> 3He + eta at 48.8 MeV and 59.8 MeV excess energy

P. Adlarson, W. Augustyniak, W. Bardan +104

We present new data for angular distributions and on the cross section ratio of the p + d -> 3He + eta reaction at excess energies of Q = 48.8 MeV and Q = 59.8 MeV. The data have b…

nucl-ex2011★ 244 cited

ABC Effect in Basic Double-Pionic Fusion --- Observation of a new resonance?

P. Adlarson, C. Adolph, W. Augustyniak +116

We report on a high-statistics measurement of the basic double pionic fusion reaction $p n \to d π^{0} π^{0}$ over the energy region of the so-called ABC effect, a pronounced low-mass enh…

nucl-ex2010

Exclusive Measurement of the $pp \to nn π^{+} π^{+}$ Reaction at 1.1 GeV

M. Bashkanov, D. Bogoslawsky, H. Calen +36

First exclusive data for the $pp \to nn π^{+} π^{+}$ reaction have been obtained at CELSIUS with the WASA detector setup at a beam energy of $T_{p}$ = 1.1 GeV. Total and differential cross…

nucl-ex2010★ 34 cited

Delta Delta Excitation in Proton-Proton Induced pi0pi0 Production

T. Skorodko, M. Bashkanov, D. Bogoslawsky +37

Exclusive measurements of the $pp \to pp π^{0} π^{0}$ reaction have been performed at CELSIUS/WASA at energies from threshold up to $T_{p}$ = 1.3 GeV. Total and differential cross sections…

nucl-ex2009★ 23 cited

Exclusive measurement of two-pion production in the dd --> 4Hepipi reaction

S. Keleta, Chr. Bargholtz, M. Bashkanov +46

The results from the first kinematically complete measurement of the dd --> 4Hepipi reaction are reported. The aim was to investigate a long standing puzzle regarding the origin of…

nucl-ex2006

Two-Pion Production in Nucleon-Nucleon Collisions and the ABC-Effect - Approaching a Puzzleby exclusive and Kinematically complete Measurements

T. Skorodko, M. Bashkanov, C. Bargholtz +50

The ABC effect - a puzzling low-mass enhancement in the $π π$ invariant mass spectrum - is known from inclusive measurements of two-pion production in nuclear collisions, where it a…

nucl-ex2006★ 4 cited

Evidence for a 'Narrow' Roper Resonance - the Breathing Mode of the Nucleon

H. Clement, T. Skorodko, M. Bashkanov +43

All the time since its discovery the N $^{*}$ (1440) baryon state, commonly known as Roper resonance, has been a state with many question marks - despite of its 4-star ranking in the p…

nucl-ex2006★ 5 cited

Anisotropy in the pion angular distribution of the reaction pp -> pp pi0 at 400 MeV

P. Thorngren Engblom, S. Negasi Keleta, F. Cappellaro +23

The reaction pp -> pp pi0 was studied with the WASA detector at the CELSIUS storage ring. The center of mass angular distribution of the pi0 was obtained by detection of the gamma…

nucl-ex2003★ 56 cited

Study of the p p -> p p pi+ pi- Reaction in the Low-Energy Tail of the Roper Resonance

J. Paetzold, M. Bashkanov, R. Bilger +27

Exclusive measurements of the p p -> p p pi+ pi- reaction have been carried out at Tp = 775 MeV at CELSIUS using the PROMICE/WASA setup. Together with data obtained at lower energy…

nucl-ex1998★ 11 cited

Observation of strong final-state effects in pi+ production in pp collisions at 400 MeV

A. Betsch, R. Bilger, W. Brodowski +29

Differential cross sections of the reactions $pp \to d π^{+}$ and $pp \to p n π^{+}$ have been measured at $T_{p} = 400$ MeV by detecting the charged ejectiles in the angular range $4^0 \le…