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| Home > Publications database > Towards the P-wave nucleon-pion scattering amplitude in the $\Delta (1232)$ channel > print |
| 001 | 858191 | ||
| 005 | 20210129235856.0 | ||
| 024 | 7 | _ | |a arXiv:1812.01059 |2 arXiv |
| 024 | 7 | _ | |a 2128/21484 |2 Handle |
| 024 | 7 | _ | |a altmetric:52197623 |2 altmetric |
| 037 | _ | _ | |a FZJ-2018-07097 |
| 100 | 1 | _ | |a Paul, Srijit |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 111 | 2 | _ | |a 36th Annual International Symposium on Lattice Field Theory |g Lattice 2018 |c East Lansing, Michigan |d 2018-07-22 - 2018-07-28 |w USA |
| 245 | _ | _ | |a Towards the P-wave nucleon-pion scattering amplitude in the $\Delta (1232)$ channel |
| 260 | _ | _ | |a Trieste |c 2018 |b SISSA |
| 300 | _ | _ | |a 14 p. |
| 336 | 7 | _ | |a CONFERENCE_PAPER |2 ORCID |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
| 336 | 7 | _ | |a INPROCEEDINGS |2 BibTeX |
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| 336 | 7 | _ | |a Contribution to a conference proceedings |b contrib |m contrib |0 PUB:(DE-HGF)8 |s 1548859327_26602 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a Contribution to a book |0 PUB:(DE-HGF)7 |2 PUB:(DE-HGF) |m contb |
| 490 | 0 | _ | |a Proceedings of Science |v LATTICE2018 |
| 500 | _ | _ | |a 14 pages, 7 figures, Proceedings of the 36th Annual International Symposium on Lattice Field Theory (Lattice 2018), 22-28 July 2018, Michigan State University, East Lansing, Michigan USA |
| 520 | _ | _ | |a We use lattice QCD and the L\'uscher method to study elastic pion-nucleon scattering in the isospin $I = 3/2$ channel, which couples to the $\Delta(1232)$ resonance. Our $N_f=2+1$ flavor lattice setup features a pion mass of $m_\pi \approx 250$ MeV, such that the strong decay channel $\Delta \rightarrow \pi N$ is close to the threshold. We present our method for constructing the required lattice correlation functions from single- and two-hadron interpolating fields and their projection to irreducible representations of the relevant symmetry group of the lattice. We show preliminary results for the energy spectra in selected moving frames and irreducible representations, and extract the scattering phase shifts. Using a Breit-Wigner fit, we also determine the resonance mass $m_\Delta$ and the $g_{\Delta-\pi N}$ coupling. |
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| 700 | 1 | _ | |a Silvi, Giorgio |0 P:(DE-Juel1)171116 |b 1 |e Corresponding author |u fzj |
| 700 | 1 | _ | |a Alexandrou, Constantia |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Koutsou, Giannis |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Krieg, Stefan |0 P:(DE-Juel1)132171 |b 4 |u fzj |
| 700 | 1 | _ | |a Leskovec, Luka |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Meinel, Stefan |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Negele, John |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Petschlies, Marcus |0 P:(DE-HGF)0 |b 8 |
| 700 | 1 | _ | |a Pochinsky, Andrew |0 P:(DE-HGF)0 |b 9 |
| 700 | 1 | _ | |a Rendon, Gumaro |0 P:(DE-HGF)0 |b 10 |
| 700 | 1 | _ | |a Syritsyn, Sergey |0 P:(DE-HGF)0 |b 11 |
| 856 | 4 | _ | |y OpenAccess |u https://juser.fz-juelich.de/record/858191/files/1812.01059.pdf |
| 856 | 4 | _ | |y OpenAccess |x pdfa |u https://juser.fz-juelich.de/record/858191/files/1812.01059.pdf?subformat=pdfa |
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| 913 | 1 | _ | |a DE-HGF |b Key Technologies |1 G:(DE-HGF)POF3-510 |0 G:(DE-HGF)POF3-511 |2 G:(DE-HGF)POF3-500 |v Computational Science and Mathematical Methods |x 0 |4 G:(DE-HGF)POF |3 G:(DE-HGF)POF3 |l Supercomputing & Big Data |
| 914 | 1 | _ | |y 2018 |
| 915 | _ | _ | |a OpenAccess |0 StatID:(DE-HGF)0510 |2 StatID |
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