A. Yamamoto

activity

20052025

most citedEvidence for a New Resonance from Polarized Neutron-Proton Scattering

179 citations · 611 across the 13 of their papers we have counts for

collaborators

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12 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-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★ 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-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★ 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-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…

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-ex2007★ 14 cited

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 $π π$ invariant mass spectrum -- is known from inclusive measurements of two-pion production in nuclear fusion reactions.…

nucl-ex2005★ 51 cited

Exclusive Measurements of $p d \to^{3} H e π π$ : the $A B C$ Effect Revisited

M. Bashkanov, D. Bogoslawsky, H. Calén +40

Exclusive measurements of the reactions $p d \to$ $^{3} H e π^{+} π^{-}$ and $p d \to$ $^{3} H e π^{0} π^{0}$ have been carried out at $T_{p} = 0.895$ GeV at the CELSIUS storage ring using the WASA detecto…