Isotensor Dibaryon in the pp→ppπ^{+}π^{-} Reaction?

P Adlarson¹, W Augustyniak², W Bardan³, M Bashkanov⁴, F S Bergmann⁵, M Berłowski⁶, A Bondar^{7

8}, M Büscher^{9

10}, H Calén¹, I Ciepał¹¹, H Clement^{12

13}, E Czerwiński³, K Demmich⁵, R Engels¹⁴, A Erven¹⁵, W Erven¹⁵, W Eyrich¹⁶, P Fedorets^{14

17}, K Föhl¹⁸, K Fransson¹, F Goldenbaum¹⁴, A Goswami^{14

19}, K Grigoryev^{14

20}, L Heijkenskjöld¹, V Hejny¹⁴, N Hüsken⁵, L Jarczyk³, T Johansson¹, B Kamys³, G Kemmerling¹⁵, A Khoukaz⁵, O Khreptak³, D A Kirillov²¹, S Kistryn³, H Kleines¹⁵, B Kłos²², W Krzemień⁶, P Kulessa¹¹, A Kupść^{1

6}, K Lalwani²³, D Lersch¹⁴, B Lorentz¹⁴, A Magiera³, R Maier^{14

24}, P Marciniewski¹, B Mariański², H-P Morsch², P Moskal³, H Ohm¹⁴, W Parol¹¹, E Perez Del Rio^{12

13}, N M Piskunov²¹, D Prasuhn¹⁴, D Pszczel^{1

6}, K Pysz¹¹, J Ritman^{14

24

25}, A Roy¹⁹, Z Rudy³, O Rundel³, S Sawant²⁶, S Schadmand¹⁴, I Schätti-Ozerianska³, T Sefzick¹⁴, V Serdyuk¹⁴, B Shwartz^{7

8}, T Skorodko^{12

13

27}, M Skurzok³, J Smyrski³, V Sopov¹⁷, R Stassen¹⁴, J Stepaniak⁶, E Stephan²², G Sterzenbach¹⁴, H Stockhorst¹⁴, H Ströher^{14

24}, A Szczurek¹¹, A Trzciński², M Wolke¹, A Wrońska³, P Wüstner¹⁵, A Yamamoto²⁸, J Zabierowski²⁹, M J Zieliński³, J Złomańczuk¹, P Żuprański², M Żurek¹⁴; WASA-at-COSY Collaboration

Affiliations

¹ Division of Nuclear Physics, Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden.
² Nuclear Physics Division, National Centre for Nuclear Research, Ulica Hoza 69, 00-681 Warsaw, Poland.
³ Institute of Physics, Jagiellonian University, Ulica Profesora Stanisława Łojasiewicza 11, 30-348 Kraków, Poland.
⁴ Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom.
⁵ Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Straße 9, 48149 Münster, Germany.
⁶ High Energy Physics Division, National Centre for Nuclear Research, Ulica Hoza 69, 00-681 Warsaw, Poland.
⁷ Budker Institute of Nuclear Physics of SB RAS, 11 Akademika Lavrentieva Prospekt, Novosibirsk 630090, Russia.
⁸ Novosibirsk State University, 2 Pirogova Ulitsa, Novosibirsk 630090, Russia.
⁹ Peter Grünberg Institut, PGI-6 Elektronische Eigenschaften, Forschungszentrum Jülich, 52425 Jülich, Germany.
¹⁰ Institut für Laser- und Plasmaphysik, Heinrich Heine Universität Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany.
¹¹ The Henryk Niewodniczański Institute of Nuclear Physics, Polish Academy of Sciences, Ulica Radzikowskiego 152, 31-342 Kraków, Poland.
¹² Physikalisches Institut, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany.
¹³ Kepler Center for Astro and Particle Physics, Physikalisches Institut der Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany.
¹⁴ Institut für Kernphysik, Forschungszentrum Jülich, 52425 Jülich, Germany.
¹⁵ Zentralinstitut für Engineering, Elektronik und Analytik, Forschungszentrum Jülich, 52425 Jülich, Germany.
¹⁶ Physikalisches Institut, Friedrich-Alexander Universität Erlangen-Nürnberg, Erwin-Rommel-Straße 1, 91058 Erlangen, Germany.
¹⁷ Institute for Theoretical and Experimental Physics, named by A.I. Alikhanov of National Research Centre "Kurchatov Institute," 25 Bolshaya Cheremushkinskaya Ulitsa, Moscow 117218, Russia.
¹⁸ II. Physikalisches Institut, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 16, 35392 Giessen, Germany.
¹⁹ Discipline of Physics, Indian Institute of Technology Indore, Khandwa Road, Indore, Madhya Pradesh 453 552, India.
²⁰ High Energy Physics Division, Petersburg Nuclear Physics Institute, named by B.P. Konstantinov of National Research Centre "Kurchatov Institute," 1 Mikrorajon Orlova Roshcha, Leningradskaya Oblast, Gatchina 188300, Russia.
²¹ Veksler and Baldin Laboratory of High Energiy Physics, Joint Institute for Nuclear Physics, 6 Joliot-Curie, Dubna 141980, Russia.
²² August Chełkowski Institute of Physics, University of Silesia, Ulica 75 Pułku Piechoty 1, 41-500 Chorzów, Poland.
²³ Department of Physics, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur, Rajasthan 302 017, India.
²⁴ JARA-FAME, Jülich Aachen Research Alliance, Forschungszentrum Jülich, 52425 Jülich, and RWTH Aachen, 52056 Aachen, Germany.
²⁵ Institut für Experimentalphysik I, Ruhr-Universität Bochum, Universitätsstraße 150, 44780 Bochum, Germany.
²⁶ Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400 076, India.
²⁷ Department of Physics, Tomsk State University, 36 Lenin Avenue, Tomsk 634050, Russia.
²⁸ High Energy Accelerator Research Organisation KEK, Tsukuba, Ibaraki 305-0801, Japan.
²⁹ Astrophysics Division, National Centre for Nuclear Research, Box 447, 90-950 Łódź, Poland.

PMID: 30118290
DOI: 10.1103/PhysRevLett.121.052001

Free article

Isotensor Dibaryon in the pp→ppπ^{+}π^{-} Reaction?

P Adlarson et al. Phys Rev Lett. 2018.

Free article

. 2018 Aug 3;121(5):052001.

doi: 10.1103/PhysRevLett.121.052001.

Authors

Affiliations

¹ Division of Nuclear Physics, Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden.
² Nuclear Physics Division, National Centre for Nuclear Research, Ulica Hoza 69, 00-681 Warsaw, Poland.
³ Institute of Physics, Jagiellonian University, Ulica Profesora Stanisława Łojasiewicza 11, 30-348 Kraków, Poland.
⁴ Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom.
⁵ Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Straße 9, 48149 Münster, Germany.
⁶ High Energy Physics Division, National Centre for Nuclear Research, Ulica Hoza 69, 00-681 Warsaw, Poland.
⁷ Budker Institute of Nuclear Physics of SB RAS, 11 Akademika Lavrentieva Prospekt, Novosibirsk 630090, Russia.
⁸ Novosibirsk State University, 2 Pirogova Ulitsa, Novosibirsk 630090, Russia.
⁹ Peter Grünberg Institut, PGI-6 Elektronische Eigenschaften, Forschungszentrum Jülich, 52425 Jülich, Germany.
¹⁰ Institut für Laser- und Plasmaphysik, Heinrich Heine Universität Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany.
¹¹ The Henryk Niewodniczański Institute of Nuclear Physics, Polish Academy of Sciences, Ulica Radzikowskiego 152, 31-342 Kraków, Poland.
¹² Physikalisches Institut, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany.
¹³ Kepler Center for Astro and Particle Physics, Physikalisches Institut der Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany.
¹⁴ Institut für Kernphysik, Forschungszentrum Jülich, 52425 Jülich, Germany.
¹⁵ Zentralinstitut für Engineering, Elektronik und Analytik, Forschungszentrum Jülich, 52425 Jülich, Germany.
¹⁶ Physikalisches Institut, Friedrich-Alexander Universität Erlangen-Nürnberg, Erwin-Rommel-Straße 1, 91058 Erlangen, Germany.
¹⁷ Institute for Theoretical and Experimental Physics, named by A.I. Alikhanov of National Research Centre "Kurchatov Institute," 25 Bolshaya Cheremushkinskaya Ulitsa, Moscow 117218, Russia.
¹⁸ II. Physikalisches Institut, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 16, 35392 Giessen, Germany.
¹⁹ Discipline of Physics, Indian Institute of Technology Indore, Khandwa Road, Indore, Madhya Pradesh 453 552, India.
²⁰ High Energy Physics Division, Petersburg Nuclear Physics Institute, named by B.P. Konstantinov of National Research Centre "Kurchatov Institute," 1 Mikrorajon Orlova Roshcha, Leningradskaya Oblast, Gatchina 188300, Russia.
²¹ Veksler and Baldin Laboratory of High Energiy Physics, Joint Institute for Nuclear Physics, 6 Joliot-Curie, Dubna 141980, Russia.
²² August Chełkowski Institute of Physics, University of Silesia, Ulica 75 Pułku Piechoty 1, 41-500 Chorzów, Poland.
²³ Department of Physics, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur, Rajasthan 302 017, India.
²⁴ JARA-FAME, Jülich Aachen Research Alliance, Forschungszentrum Jülich, 52425 Jülich, and RWTH Aachen, 52056 Aachen, Germany.
²⁵ Institut für Experimentalphysik I, Ruhr-Universität Bochum, Universitätsstraße 150, 44780 Bochum, Germany.
²⁶ Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra 400 076, India.
²⁷ Department of Physics, Tomsk State University, 36 Lenin Avenue, Tomsk 634050, Russia.
²⁸ High Energy Accelerator Research Organisation KEK, Tsukuba, Ibaraki 305-0801, Japan.
²⁹ Astrophysics Division, National Centre for Nuclear Research, Box 447, 90-950 Łódź, Poland.

PMID: 30118290
DOI: 10.1103/PhysRevLett.121.052001

Abstract

Exclusive measurements of the quasifree pp→ppπ^{+}π^{-} reaction have been carried out at WASA@COSY by means of pd collisions at T_{p}=1.2 GeV. Total and differential cross sections have been extracted covering the energy region T_{p}=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(J^{P})=2(1^{+}) produced associatedly with a pion is able to overcome these deficiencies.

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Isotensor Dibaryon in the pp→ppπ^{+}π^{-} Reaction?

Affiliations

Isotensor Dibaryon in the pp→ppπ^{+}π^{-} Reaction?

Authors

Affiliations

Abstract

LinkOut - more resources

Full Text Sources

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