Journal
PHYSICAL REVIEW C
Volume 102, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.102.024001
Keywords
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Categories
Funding
- SIP JUC Cracow, Cracow (Poland)
- National Science Center from the European Union's Horizon 2020 research and innovation program under the Marie Skodowska-Curie grant [2017/25/N/ST2/00580, 2017/26/M/ST2/00600, 2016/23/P/ST2/04066 POLONEZ, 665778]
- TU Darmstadt, Darmstadt (Germany) [VH-NG-823]
- DFG [GRK 2128, CRC-TR 211, FAB898/2-2]
- BMBF [05P18RDFC1, 06FY9100I, 05P12RFGHJ, 05P15WOFCA]
- Goethe-University, Frankfurt (Germany)
- HIC for FAIR (LOEWE)
- GSI FE
- TU Darmstadt, Darmstadt (Germany)
- ExtreMe Matter Institute EMMI at GSI Darmstadt
- TU Munchen, Garching (Germany)
- MLL Munchen
- DFG EClust [153]
- GSI [TMLRG1316F]
- NRNU MEPhI Moscow, Moscow (Russia) [02.a03.21.0005]
- Ministry of Science and Education of the Russian Federation [3.3380.2017/4.6]
- Russian Foundation for Basic Research (RFBR) [18-02-00086]
- National Research Nuclear University MEPhI [02.a03.21.0005, 27.08.2013]
- Ministry of Science and Higher Education of the Russian Federation, Project Fundamental properties of elementary particles and cosmology [0723-2020-0041]
- JLU Giessen, Giessen (Germany)
- IPN Orsay, Orsay Cedex (France) [CNRS/IN2P3]
- NPI CAS, Rez, Rez (Czech Republic) [MSMT LM2015049, OP VVV CZ.02.1.01/0.0/0.0/16 013/0001677, LTT17003]
- Russian Science Foundation [RSF 16-12-10267]
- [SFB 1258]
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Pion-induced reactions provide unique opportunities for an unambiguous description of baryonic resonances and their coupling channels by means of a partial-wave analysis. Using the secondary pion beam at SIS18, the two-pion production in the second resonance region has been investigated to unravel the role of the N(1520) 3/2(-) resonance in the intermediate rho-meson production. Results on exclusive channels with one pion (pi(-)p) and two pions (pi(+)pi(-)n, pi(0)pi(-)p) in the final state measured in the pi(-)-p reaction at four different pion beam momenta (0.650, 0.685, 0.733, and 0.786 GeV/c) are presented. The excitation function of the different partial waves and Delta pi, N sigma, and N rho isobar configurations is obtained, using the Bonn-Gatchina partial-wave analysis. The N(1520)3/2(-) resonance is found to dominate the N rho final state with the branching ratio BR = 12.2% +/- 1.9%.
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