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| 001 | 836156 | ||
| 005 | 20250129092358.0 | ||
| 024 | 7 | _ | |a arXiv:1702.07212 |2 arXiv |
| 024 | 7 | _ | |a 2128/15005 |2 Handle |
| 024 | 7 | _ | |a altmetric:16698255 |2 altmetric |
| 037 | _ | _ | |a FZJ-2017-05279 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a WASA-at-COSY Collaboration |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Isoscalar Single-Pion Production in the Region of Roper and $d^*(2380)$ Resonances |
| 260 | _ | _ | |c 2017 |
| 336 | 7 | _ | |a Preprint |b preprint |m preprint |0 PUB:(DE-HGF)25 |s 1501499404_31606 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a WORKING_PAPER |2 ORCID |
| 336 | 7 | _ | |a Electronic Article |0 28 |2 EndNote |
| 336 | 7 | _ | |a preprint |2 DRIVER |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a Output Types/Working Paper |2 DataCite |
| 520 | _ | _ | |a Exclusive measurements of the quasi-free $pn \to pp\pi^-$ and $pp \to pp\pi^0$ reactions have been performed by means of $pd$ collisions at $T_p$ = 1.2 GeV using the WASA detector setup at COSY. Total and differential cross sections have been obtained covering the energy region $T_p = 0.95 - 1.3$ GeV ($\sqrt s$ = 2.3 - 2.46 GeV), which includes the regions of $\Delta(1232)$, $N^*(1440)$ and $d^*(2380)$ resonance excitations. From these measurements the isoscalar single-pion production has been extracted, for which data existed so far only below $T_p$ = 1 GeV. We observe a substantial increase of this cross section above 1 GeV, which can be related to the Roper resonance $N^*(1440)$, the strength of which shows up isolated from the $\Delta$ resonance in the isoscalar $(N\pi)_{I=0}$ invariant-mass spectrum. No evidence for a decay of the dibaryon resonance $d^*(2380)$ into the isoscalar $(NN\pi)_{I=0}$ channel is found. An upper limit of 180 $\mu$b (90 $\%$ C.L.) corresponding to a branching ratio of 9 $\%$ has been deduced. |
| 536 | _ | _ | |a 612 - Cosmic Matter in the Laboratory (POF3-612) |0 G:(DE-HGF)POF3-612 |c POF3-612 |f POF III |x 0 |
| 588 | _ | _ | |a Dataset connected to arXivarXiv |
| 700 | 1 | _ | |a Adlarson, P. |0 P:(DE-HGF)0 |b 1 |e Corresponding author |
| 700 | 1 | _ | |a Augustyniak, W. |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Bardan, W. |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Bashkanov, M. |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Bergmann, F. S. |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Berłowski, M. |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Bondar, A. |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Calen, H. |0 P:(DE-Juel1)131110 |b 8 |
| 700 | 1 | _ | |a Ciepał, I. |0 P:(DE-HGF)0 |b 9 |
| 700 | 1 | _ | |a Clement, H. |0 P:(DE-HGF)0 |b 10 |
| 700 | 1 | _ | |a Czerwinski, E. |0 P:(DE-HGF)0 |b 11 |
| 700 | 1 | _ | |a Demmich, K. |0 P:(DE-HGF)0 |b 12 |
| 700 | 1 | _ | |a Engels, Ralf W. |0 P:(DE-Juel1)131141 |b 13 |
| 700 | 1 | _ | |a Erven, A. |0 P:(DE-Juel1)130632 |b 14 |u fzj |
| 700 | 1 | _ | |a Erven, W. |0 P:(DE-Juel1)133883 |b 15 |
| 700 | 1 | _ | |a Eyrich, W. |0 P:(DE-HGF)0 |b 16 |
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| 700 | 1 | _ | |a Föhl, K. |0 P:(DE-HGF)0 |b 18 |
| 700 | 1 | _ | |a Fransson, K. |0 P:(DE-HGF)0 |b 19 |
| 700 | 1 | _ | |a Goldenbaum, F. |0 P:(DE-Juel1)131167 |b 20 |u fzj |
| 700 | 1 | _ | |a Grigoryev, A. Goswami K. |0 P:(DE-HGF)0 |b 21 |
| 700 | 1 | _ | |a Gullström, C. -O. |0 P:(DE-HGF)0 |b 22 |
| 700 | 1 | _ | |a Heijkenskjöld, L. |0 P:(DE-HGF)0 |b 23 |
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| 700 | 1 | _ | |a Johansson, T. |0 P:(DE-HGF)0 |b 27 |
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| 700 | 1 | _ | |a Khoukaz, A. |0 P:(DE-HGF)0 |b 31 |
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