@article{95f2aff934c84eb89af714d1eed0536b,
title = "Isotensor Dibaryon in the pp →ppπ+π- Reaction?",
abstract = "Exclusive measurements of the quasifree pp→ppπ+π- reaction have been carried out at WASA@COSY by means of pd collisions at Tp=1.2 GeV. Total and differential cross sections have been extracted covering the energy region Tp=1.08-1.36 GeV, which is the region of N∗(1440) and Δ(1232)Δ(1232) resonance excitations. Calculations describing these excitations by t-channel meson exchange are at variance with the measured differential cross sections and underpredict substantially the experimental total cross section. An isotensor ΔN dibaryon resonance with I(JP)=2(1+) produced associatedly with a pion is able to overcome these deficiencies.",
keywords = "PROTON-PROTON COLLISIONS, NUCLEON-NUCLEON COLLISIONS, CROSS-SECTIONS, PION PRODUCTION, ISOSPIN DECOMPOSITION, PI(0)PI(0) PRODUCTION, 2-PION PRODUCTION, SINGLE-PION, RESONANCE, SCATTERING",
author = "{The WASA-at-COSY Collaboration} and P. Adlarson and W. Augustyniak and W. Bardan and M. Bashkanov and Bergmann, {F. S.} and M. Ber{\l}owski and A. Bondar and M. B{\"u}scher and H. Cal{\'e}n and I. Ciepa{\l} and H. Clement and E. Czerwi{\'n}ski and K. Demmich and R. Engels and A. Erven and W. Erven and W. Eyrich and P. Fedorets and K. F{\"o}hl and K. Fransson and F. Goldenbaum and A. Goswami and K. Grigoryev and L. Heijkenskj{\"o}ld and V. Hejny and N. H{\"u}sken and L. Jarczyk and T. Johansson and B. Kamys and G. Kemmerling and A. Khoukaz and O. Khreptak and Kirillov, {D. A.} and S. Kistryn and H. Kleines and B. K{\l}os and W. Krzemie{\'n} and P. Kulessa and A. Kup{\'s}{\'c} and K. Lalwani and D. Lersch and B. Lorentz and A. Magiera and R. Maier and P. Marciniewski and B. Maria{\'n}ski and Morsch, {H. P.} and P. Moskal and H. Ohm and B. Shwartz",
note = "Publisher Copyright: {\textcopyright} 2018 American Physical Society.",
year = "2018",
month = aug,
day = "1",
doi = "10.1103/PhysRevLett.121.052001",
language = "English",
volume = "121",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "5",
}