L. Jarczyk

activity

19972025

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

244 citations · 2.5k across the 107 of their papers we have counts for

collaborators

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86 papers · 1 filter

nucl-ex2025

Three-Nucleon Dynamics in the dp breakup collisions at 190 MeV/nucleon using the WASA detector at COSY-Jülich

P. Adlarson, W. Augustyniak, W. Bardan +87

The differential cross section for the $^{1}$ H $(d, pp) n$ breakup reaction at deuteron beam energy of 380 MeV has been determined with high precision for 189 angular configurations o…

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-ex2019★ 9 cited

Search for eta mesic 3He with the WASA-at-COSY facility in the pd-> 3He 2gamma and pd-> 3He 6gamma reactions

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

We report on the experimental search for the bound state of an $η$ meson and $^{3}\hspace{-0.03cm}\mbox{He}$ nucleus performed using the WASA-at-COSY detector setup. In order to se…

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-ex2018★ 3 cited

On the Production of 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 performed by means of $p d$ collisions at $T_{p}$ = 1.2 GeV using the WASA detector setup at COSY. Total…

nucl-ex2018★ 11 cited

Total and differential cross sections of $η$ -production in proton-deuteron fusion for excess energies between $Q_{η} = 13 MeV$ and $Q_{η} = 81 MeV$

P. Adlarson, W. Augustyniak, W. Bardan +90

New data on both total and differential cross sections of the production of $η$ mesons in proton-deuteron fusion to $^{3} He η$ in the excess energy region $13.6\;\text{MeV}…

nucl-ex2017★ 2 cited

Spin dependence of η meson production in proton-proton collisions close to threshold

P. Adlarson, W. Augustyniak, W. Bardan +88

Taking advantage of the high acceptance and axial symmetry of the WASA-at-COSY detector, and the high degree of the polarized proton beam of COSY, the reaction pp{\to} ppη has been…

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★ 37 cited

Search for eta-mesic 4He in the dd->3He n pi0 and dd->3He p pi- reactions with the WASA-at-COSY facility

P. Adlarson, W. Augustyniak, W. Bardan +90

The search for 4He-eta bound states was performed with the WASA-at-COSY facility via the measurement of the excitation function for the dd->3He n pi0 and dd->3He p pi- processes. T…

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★ 17 cited

Search for an Isospin I =3 Dibaryon

P. Adlarson, W. Augustyniak, W. Bardan +91

Various theoretical calculations based on QCD or hadronic interactions predict that in addition to the recently observed dibaryon resonance $d^{*} (2380)$ with $I (J^{P}) = 0 (3^{+})$ there…

nucl-ex2015★ 18 cited

Measurements of Branching Ratios for $η$ Decays into Charged Particles

P. Adlarson, W. Augustyniak, W. Bardan +96

The WASA-at-COSY experiment has collected $3 \times 1 0^{7}$ events with $η$ -mesons produced via the reaction $p d \to^{3} He η$ at $T = 1.0 GeV$ . Usi…

nucl-ex2014★ 76 cited

Measurement of the $n p \to n p π^{0} π^{0}$ Reaction in Search for the Recently Observed $d^{*} (2380)$ Resonance

P. Adlarson, W. Augustyniak, W. Bardan +99

Exclusive measurements of the quasi-free $n p \to n p π^{0} π^{0}$ reaction have been performed by means of $d p$ collisions at $T_{d}$ = 2.27 GeV using the WASA detector setup at COSY. Total…

nucl-ex2014★ 34 cited

ABC Effect and Resonance Structure in the Double-Pionic Fusion to $^{3}$ He

P. Adlarson, W. Augustyniak, W. Bardan +100

Exclusive and kinematically complete measurements of the double pionic fusion to $^{3}$ He have been performed in the energy region of the so-called ABC effect, which denotes a pronou…

nucl-ex2014★ 77 cited

Neutron-Proton Scattering in the Context of the $d^{*}$ (2380) Resonance

P. Adlarson, W. Augustyniak, W. Bardan +105

New data on quasifree polarized neutron-proton scattering, in the region of the recently observed $d^{*}$ resonance structure, have been obtained by exclusive and kinematically compl…

nucl-ex2014★ 9 cited

Charge Symmetry Breaking in dd->4Heπ0 with WASA-at-COSY

COSY Collaboration, P. Adlarson, W. Augustyniak +102

Charge symmetry breaking (CSB) observables are a suitable experimental tool to examine effects induced by quark masses on the nuclear level. Previous high precision data from TRIUM…

nucl-ex2014★ 179 cited

Evidence for a New Resonance from Polarized Neutron-Proton Scattering

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

Exclusive and kinematically complete high-statistics measurements of quasifree polarized $n p$ scattering have been performed in the energy region of the narrow resonance stru…

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-ex2013★ 78 cited

Measurement of the $p n \to pp π^{0} π^{-}$ Reaction in Search for the Recently Observed Resonance Structure in $d π^{0} π^{0}$ and $d π^{+} π^{-}$ systems

P. Adlarson, W. Augustyniak, W. Bardan +110

Exclusive measurements of the quasi-free $p n \to pp π^{0} π^{-}$ reaction have been performed by means of $p d$ collisions at $T_{p}$ = 1.2 GeV using the WASA detector setup at COSY. Total…

nucl-ex2013★ 6 cited

Investigation of the dd -> 3He n π0 reaction with the FZ Jülich WASA-at-COSY facility

COSY Collaboration, P. Adlarson, W. Augustyniak +112

An exclusive measurement of the dd -> 3He n π0 reaction was carried at a beam momentum of p = 1.2 GeV/c using the WASA-at-COSY facility. For the first time data on the total cross…

nucl-ex2013★ 59 cited

Search for the eta-mesic 4He with WASA-at-COSY detector

P. Adlarson, W. Augustyniak, W. Bardan +111

An exclusive measurement of the excitation function for the dd->3Heppi- reaction was performed at the Cooler Synchrotron COSY-Juelich with the WASA-at-COSY detection system. The da…

nucl-ex2012★ 128 cited

Isospin Decomposition of the Basic Double-Pionic Fusion in the Region of the ABC Effect

P. Adlarson, W. Augustyniak, W. Bardan +111

Exclusive and kinematically complete high-statistics measurements of the basic double pionic fusion reactions pn -> dpi0pi0, pn -> d pi+pi- and pp -> dpi+pi0 have been carried out…

nucl-ex2012★ 32 cited

ABC Resonance Structure in the Double-Pionic Fusion to 4He

P. Adlarson, W. Augustyniak, W. Bardan +109

Exclusive and kinematically complete high-statistics measurements of the double pionic fusion reaction $dd \to^{4}$ He $π^{0} π^{0}$ have been performed in the energy range 0.8 - 1.4 GeV c…

Three-Nucleon Dynamics in the dp breakup collisions at 190 MeV/nucleon using the WASA detector at COSY-Jülich

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

Search for eta mesic 3He with the WASA-at-COSY facility in the pd-> 3He 2gamma and pd-> 3He 6gamma reactions

Backward single-pion production in the pd→3Heπ0 reaction with WASA-at-COSY

An Isotensor Dibaryon in the pp→ppπ+π− Reaction?

On the Production of an Isotensor Dibaryon in the pp→ppπ+π− Reaction

Total and differential cross sections of η-production in proton-deuteron fusion for excess energies between Qη​=13MeV and Qη​=81MeV

Spin dependence of η meson production in proton-proton collisions close to threshold

Importance of d-wave contributions in the charge symmetry breaking reaction dd→4Heπ0

Search for eta-mesic 4He in the dd->3He n pi0 and dd->3He p pi- reactions with the WASA-at-COSY facility

Measurement of the ω→π+π−π0 Dalitz plot distribution

Search for an Isospin I =3 Dibaryon

Measurements of Branching Ratios for η Decays into Charged Particles

Measurement of the np→npπ0π0 Reaction in Search for the Recently Observed d∗(2380) Resonance

ABC Effect and Resonance Structure in the Double-Pionic Fusion to 3He

Neutron-Proton Scattering in the Context of the d∗(2380) Resonance

Charge Symmetry Breaking in dd->4Heπ0 with WASA-at-COSY

Evidence for a New Resonance from Polarized Neutron-Proton Scattering

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

Measurement of the pn→ppπ0π− Reaction in Search for the Recently Observed Resonance Structure in dπ0π0 and dπ+π− systems

Investigation of the dd -> 3He n π0 reaction with the FZ Jülich WASA-at-COSY facility

Search for the eta-mesic 4He with WASA-at-COSY detector

Isospin Decomposition of the Basic Double-Pionic Fusion in the Region of the ABC Effect

ABC Resonance Structure in the Double-Pionic Fusion to 4He

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

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

On the Production of an Isotensor Dibaryon in the $pp \to pp π^{+} π^{-}$ Reaction

Total and differential cross sections of $η$ -production in proton-deuteron fusion for excess energies between $Q_{η} = 13 MeV$ and $Q_{η} = 81 MeV$

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

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

Measurements of Branching Ratios for $η$ Decays into Charged Particles

Measurement of the $n p \to n p π^{0} π^{0}$ Reaction in Search for the Recently Observed $d^{*} (2380)$ Resonance

ABC Effect and Resonance Structure in the Double-Pionic Fusion to $^{3}$ He

Neutron-Proton Scattering in the Context of the $d^{*}$ (2380) Resonance

Measurement of the $p n \to pp π^{0} π^{-}$ Reaction in Search for the Recently Observed Resonance Structure in $d π^{0} π^{0}$ and $d π^{+} π^{-}$ systems