273 citations · 1.5k across the 40 of their papers we have counts for
30 papers · 1 filter
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 H breakup reaction at deuteron beam energy of 380 MeV has been determined with high precision for 189 angular configurations o…
Search for the mesic He in the reaction with the WASA-at-COSY facility
P. Adlarson, W. Augustyniak, M. Bashkanov +80
The excitation function for the reaction has been measured by WASA-at-COSY experiment with the aim of searching for $^{3}\hspace{-0.03cm}\mbox{He}$-…
Backward single-pion production in the reaction with WASA-at-COSY
P. Adlarson, W. Augustyniak, W. Bardan +89
New data on the production of single neutral pions in the reaction are presented. For fifteen proton beam momenta between $p_p=1.60\;\textrm{GeV…
On the Production of an Isotensor Dibaryon in the Reaction
P. Adlarson, W. Augustyniak, W. Bardan +81
Exclusive measurements of the quasi-free reaction have been performed by means of collisions at = 1.2 GeV using the WASA detector setup at COSY. Total…
Total and differential cross sections of -production in proton-deuteron fusion for excess energies between and
P. Adlarson, W. Augustyniak, W. Bardan +90
New data on both total and differential cross sections of the production of mesons in proton-deuteron fusion to in the excess energy region $13.6\;\text{MeV}…
Isoscalar Single-Pion Production in the Region of Roper and Resonances
COSY Collaboration, P. Adlarson, W. Augustyniak +90
Exclusive measurements of the quasi-free and reactions have been performed by means of collisions at = 1.2 GeV using the WASA detector setu…
Measurement of the Reaction in Search for the Recently Observed Resonance
P. Adlarson, W. Augustyniak, W. Bardan +99
Exclusive measurements of the quasi-free reaction have been performed by means of collisions at = 2.27 GeV using the WASA detector setup at COSY. Total…
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…
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 scattering have been performed in the energy region of the narrow resonance stru…
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…
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…
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…
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…
Search for eta-mesic 4He with the WASA-at-COSY detector
Wojciech Krzemien
We performed a search for the 4He-eta bound state via exclusive measurement of the excitation function for the dd->3Heppi- reaction, where the outgoing p-pi- pair originates from t…
Proton-proton correlation function for the pp -> pp + eta and pp -> pp + pions reactions
P. Klaja, P. Moskal
For the very first time, the correlation femtoscopy method is applied to a kinematically complete measurement of meson production in the collisions of hadrons. The shape of the two…
Upper limit of the total cross section for the pn --> pn eta' reaction
J. Klaja, P. Moskal, S. D. Bass +22
The upper limit of the total cross section for the pn --> pn eta' reaction has been determined near the kinematical threshold in the excess energy range from 0 to 24 MeV. The measu…
Two-proton correlation function for the pp -> pp+eta and pp -> pp+pions reactions
P. Klaja, P. Moskal, E. Czerwinski +19
For the very first time, the correlation femtoscopy method is applied to a kinematically complete measurement of meson production in the collisions of hadrons. A two-proton correla…
Measurement of the invariant mass distributions for the pp -> ppeta' reaction at excess energy of Q = 16.4 MeV
P. Klaja, P. Moskal, E. Czerwinski +20
The proton-proton and proton-eta' invariant mass distributions have been determined for the pp -> ppeta' reaction at an excess energy of Q = 16.4 MeV. The measurement was carried o…
The pd --> ^3He eta pi0 reaction at T_p = 1450 MeV
K. Schoenning, Chr. Bargholtz, M. Bashkanov +44
The cross section for the pd --> ^3He eta pi0 reaction has been measured at a beam energy of 1450 MeV using the WASA detector at the CELSIUS storage ring and detecting one ^3He and…
Measurement of the eta->3pi0 Dalitz Plot Distribution with the WASA Detector at COSY
COSY Collaboration
In the first production run of the WASA experiment at COSY, the eta decay into three neutral pions was measured in proton-proton interactions at a proton beam kinetic energy of 1.4…
Single- and Double-Pion Production in Nucleon Collisions on the Nucleon and on Nuclei -- the ABC Effect and its Possible Origin in a Dibaryonic Resonance
H. Clement, M. Bashkanov, E. Doroshkevich +5
The ABC effect -- an intriguing low-mass enhancement in the invariant mass spectrum -- is known from inclusive measurements of two-pion production in nuclear fusion reactions.…
The pp -> pp pi pi pi reaction channels in the threshold region
WASA Collaboration, C. Pauly, M. Jacewicz +42
The cross section for prompt neutral and charged three pion production in pp interactions was measured at excess energies in the range 160 - 217 MeV. That comprises the first measu…
Proposal for the Wide Angle Shower Apparatus (WASA) at COSY-Juelich - "WASA at COSY"
COSY Collaboration, B. Hoistad, J. Ritman
This document describes the physics case, the key experiments proposed and the technical solution for the project "WASA at COSY", which concerns the transfer of the WASA pellet-tar…
Analysing power A(y) in the reaction p(pol.)p --> pp eta near threshold
P. Winter, H. H. Adam, A. Budzanowski +23
A first measurement of the analysing power in the reaction p(pol)p --> pp eta near the production threshold has been performed at the internal facility COSY-11 at the COoler SYnchr…