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Two-pion production in the second resonance region in pi(-)p collisions with the High-Acceptance Di-Electron Spectrometer (HADES)
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SYSNO ASEP 0531990 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Two-pion production in the second resonance region in pi(-)p collisions with the High-Acceptance Di-Electron Spectrometer (HADES) Author(s) Adamczewski-Musch, J. (DE)
Arnold, O. (DE)
Atomssa, E. T. (FR)
Behnke, C. (DE)
Belounnas, A. (FR)
Chlad, Lukáš (UJF-V) RID, ORCID, SAI
Chudoba, Petr (UJF-V) RID, ORCID
Kugler, Andrej (UJF-V) RID, ORCID, SAI
Mikhaylov, Vasily (UJF-V) ORCID
Prozorov, Alexandr P. (UJF-V) ORCID, SAI
Rodriguez Ramos, Pablo (UJF-V)
Svoboda, Ondřej (UJF-V) RID, ORCID, SAI
Tlustý, Pavel (UJF-V) ORCID, SAI
Wagner, Vladimír (UJF-V) RID, ORCID, SAINumber of authors 122 Article number 024001 Source Title Physical Review C. - : American Physical Society - ISSN 2469-9985
Roč. 102, č. 2 (2020)Number of pages 21 s. Publication form Print - P Language eng - English Country US - United States Keywords meson and hyperon induced nuclear reactions ; nuclear many-body theory ; particle interactions Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders OECD category Nuclear physics R&D Projects EF16_013/0001677 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LTT17003 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Research Infrastructure FAIR-CZ II - 90112 - Ústav jaderné fyziky AV ČR, v. v. i. Method of publishing Limited access Institutional support UJF-V - RVO:61389005 UT WOS 000557941400006 EID SCOPUS 85092075078 DOI 10.1103/PhysRevC.102.024001 Annotation 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%. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2021 Electronic address https://doi.org/10.1103/PhysRevC.102.024001
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