Standard

Examination of the production of an isotensor dibaryon in the pp→ppπ+π- reaction. / The WASA-at-COSY Collaboration.

In: Physical Review C, Vol. 99, No. 2, 025201, 04.02.2019.

Research output: Contribution to journal › Article › peer-review

Harvard

The WASA-at-COSY Collaboration 2019, 'Examination of the production of an isotensor dibaryon in the pp→ppπ+π- reaction', Physical Review C, vol. 99, no. 2, 025201. https://doi.org/10.1103/PhysRevC.99.025201

APA

The WASA-at-COSY Collaboration (2019). Examination of the production of an isotensor dibaryon in the pp→ppπ+π- reaction. Physical Review C, 99(2), [025201]. https://doi.org/10.1103/PhysRevC.99.025201

Vancouver

The WASA-at-COSY Collaboration. Examination of the production of an isotensor dibaryon in the pp→ppπ+π- reaction. Physical Review C. 2019 Feb 4;99(2):025201. doi: 10.1103/PhysRevC.99.025201

Author

The WASA-at-COSY Collaboration. / Examination of the production of an isotensor dibaryon in the pp→ppπ+π- reaction. In: Physical Review C. 2019 ; Vol. 99, No. 2.

BibTeX

@article{5c0c9977b2894a3d9da01c82d3952867,
title = "Examination of the production of an isotensor dibaryon in the pp→ppπ+π- reaction",
abstract = "The quasifree pp→ppπ+π- reaction has been measured by means of pd collisions at Tp=1.2GeV using the WASA detector setup at COSY enabling exclusive and kinematically complete measurements. Total and differential cross sections have been extracted for the energy region Tp=1.08-1.36 GeV (s=2.35-2.46GeV) covering thus the regions of N∗(1440) and Δ(1232)Δ(1232) resonance excitations. Calculations describing these excitations by t-channel meson exchange as well as isospin relations based on the pp→ppπ0π0 data underpredict substantially the measured total cross section. The calculations are also at variance with specific experimental differential cross sections. An isotensor ΔN dibaryon resonance with I(JP)=2(1+) produced associatedly with a pion is able to overcome these deficiencies. Such a dibaryon was predicted by Dyson and Xuong [Phys. Rev. Lett. 13, 815 (1964)PRLTAO0031-900710.1103/PhysRevLett.13.815] and more recently calculated by A. Gal and H. Garcilazo [Nucl. Phys. A 928, 73 (2014)NUPABL0375-947410.1016/j.nuclphysa.2014.02.019].",
keywords = "DOUBLE-CHARGE-EXCHANGE, PROTON-PROTON COLLISIONS, DOUBLE-PIONIC FUSION, CROSS-SECTIONS, 2-PION PRODUCTION, SINGLE-PION, EXCITATION, SCATTERING, RESONANCE, ENERGIES",
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 W. Parol",
year = "2019",
month = feb,
day = "4",
doi = "10.1103/PhysRevC.99.025201",
language = "English",
volume = "99",
journal = "Physical Review C",
issn = "2469-9985",
publisher = "American Physical Society",
number = "2",

}

RIS

TY - JOUR

T1 - Examination of the production of an isotensor dibaryon in the pp→ppπ+π- reaction

AU - The WASA-at-COSY Collaboration

AU - Adlarson, P.

AU - Augustyniak, W.

AU - Bardan, W.

AU - Bashkanov, M.

AU - Bergmann, F. S.

AU - Berłowski, M.

AU - Bondar, A.

AU - Büscher, M.

AU - Calén, H.

AU - Ciepał, I.

AU - Clement, H.

AU - Czerwiński, E.

AU - Demmich, K.

AU - Engels, R.

AU - Erven, A.

AU - Erven, W.

AU - Eyrich, W.

AU - Fedorets, P.

AU - Föhl, K.

AU - Fransson, K.

AU - Goldenbaum, F.

AU - Goswami, A.

AU - Grigoryev, K.

AU - Heijkenskjöld, L.

AU - Hejny, V.

AU - Hüsken, N.

AU - Jarczyk, L.

AU - Johansson, T.

AU - Kamys, B.

AU - Kemmerling, G.

AU - Khoukaz, A.

AU - Khreptak, O.

AU - Kirillov, D. A.

AU - Kistryn, S.

AU - Kleines, H.

AU - Kłos, B.

AU - Krzemień, W.

AU - Kulessa, P.

AU - Kupść, A.

AU - Lalwani, K.

AU - Lersch, D.

AU - Lorentz, B.

AU - Magiera, A.

AU - Maier, R.

AU - Marciniewski, P.

AU - Mariański, B.

AU - Morsch, H. P.

AU - Moskal, P.

AU - Ohm, H.

AU - Parol, W.

PY - 2019/2/4

Y1 - 2019/2/4

N2 - The quasifree pp→ppπ+π- reaction has been measured by means of pd collisions at Tp=1.2GeV using the WASA detector setup at COSY enabling exclusive and kinematically complete measurements. Total and differential cross sections have been extracted for the energy region Tp=1.08-1.36 GeV (s=2.35-2.46GeV) covering thus the regions of N∗(1440) and Δ(1232)Δ(1232) resonance excitations. Calculations describing these excitations by t-channel meson exchange as well as isospin relations based on the pp→ppπ0π0 data underpredict substantially the measured total cross section. The calculations are also at variance with specific experimental differential cross sections. An isotensor ΔN dibaryon resonance with I(JP)=2(1+) produced associatedly with a pion is able to overcome these deficiencies. Such a dibaryon was predicted by Dyson and Xuong [Phys. Rev. Lett. 13, 815 (1964)PRLTAO0031-900710.1103/PhysRevLett.13.815] and more recently calculated by A. Gal and H. Garcilazo [Nucl. Phys. A 928, 73 (2014)NUPABL0375-947410.1016/j.nuclphysa.2014.02.019].

AB - The quasifree pp→ppπ+π- reaction has been measured by means of pd collisions at Tp=1.2GeV using the WASA detector setup at COSY enabling exclusive and kinematically complete measurements. Total and differential cross sections have been extracted for the energy region Tp=1.08-1.36 GeV (s=2.35-2.46GeV) covering thus the regions of N∗(1440) and Δ(1232)Δ(1232) resonance excitations. Calculations describing these excitations by t-channel meson exchange as well as isospin relations based on the pp→ppπ0π0 data underpredict substantially the measured total cross section. The calculations are also at variance with specific experimental differential cross sections. An isotensor ΔN dibaryon resonance with I(JP)=2(1+) produced associatedly with a pion is able to overcome these deficiencies. Such a dibaryon was predicted by Dyson and Xuong [Phys. Rev. Lett. 13, 815 (1964)PRLTAO0031-900710.1103/PhysRevLett.13.815] and more recently calculated by A. Gal and H. Garcilazo [Nucl. Phys. A 928, 73 (2014)NUPABL0375-947410.1016/j.nuclphysa.2014.02.019].

KW - DOUBLE-CHARGE-EXCHANGE

KW - PROTON-PROTON COLLISIONS

KW - DOUBLE-PIONIC FUSION

KW - CROSS-SECTIONS

KW - 2-PION PRODUCTION

KW - SINGLE-PION

KW - EXCITATION

KW - SCATTERING

KW - RESONANCE

KW - ENERGIES

UR - http://www.scopus.com/inward/record.url?scp=85061259906&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.99.025201

DO - 10.1103/PhysRevC.99.025201

M3 - Article

AN - SCOPUS:85061259906

VL - 99

JO - Physical Review C

JF - Physical Review C

SN - 2469-9985

IS - 2

M1 - 025201

ER -

ID: 18506122