Differential cross sections for neutron-proton scattering in the region of the d * ( 2380 ) dibaryon resonance

Adlarson, P.; Augustyniak, W.; Bardan, W.; Bashkanov, M.; Bergmann, F. S.; Berłowski, M.; Bhatt, H.; Büscher, M.; Calén, H.; Ciepał, I.; Clement, H.; Coderre, D.; Czerwiński, E.; Demmich, K.; Doroshkevich, E.; Engels, R.; Erven, A.; Erven, W.; Eyrich, W.; Fedorets, P.; Föhl, K.; Fransson, K.; Goldenbaum, F.; Goslawski, P.; Goswami, A.; Grigoryev, K.; Gullström, C. –O.; Hauenstein, F.; Heijkenskjöld, L.; Hejny, V.; Hodana, M.; Höistad, B.; Hüsken, N.; Jany, A.; Jany, B. R.; Johansson, T.; Kamys, B.; Kemmerling, G.; Khan, F. A.; Khoukaz, A.; Kirillov, D. A.; Kistryn, S.; Kleines, H.; Kłos, B.; Krapp, M.; Krzemień, W.; Kulessa, P.; Kupść, A.; Lalwani, K.; Lersch, D.; Lorentz, B.; Magiera, A.; Maier, R.; Marciniewski, P.; Mariański, B.; Mikirtychiants, M.; Morsch, H. –P.; Moskal, P.; Ohm, H.; Ozerianska, I.; Perez del Rio, E.; Piskunov, N. M.; Podkopał, P.; Prasuhn, D.; Pricking, A.; Pszczel, D.; Pysz, K.; Pyszniak, A.; Redmer, C. F.; Ritman, J.; Roy, A.; Rudy, Z.; Sawant, S.; Schadmand, S.; Sefzick, T.; Serdyuk, V.; Siudak, R.; Skorodko, T.; Skurzok, M.; Smyrski, J.; Sopov, V.; Stassen, R.; Stepaniak, J.; Stephan, E.; Sterzenbach, G.; Stockhorst, H.; Ströher, H.; Szczurek, A.; Täschner, A.; Trzciński, A.; Varma, R.; Wolke, M.; Wrońska, A.; Wüstner, P.; Wurm, P.; Yamamoto, A.; Yurev, L.; Zabierowski, J.; Zieliński, M. J.; Zink, A.; Złomańczuk, J.; Żuprański, P.; Żurek, M.; Workman, R. L.; Briscoe, W. J.; Strakovsky, I. I.; Švarc, A.

doi:10.1103/PhysRevC.102.015204

Title: Differential cross sections for neutron-proton scattering in the region of the $d^{*} (2380)$ dibaryon resonance

Journal Article · Fri Jul 10 00:00:00 EDT 2020 · Physical Review. C

DOI:https://doi.org/10.1103/PhysRevC.102.015204· OSTI ID:1638114

Adlarson, P.; Augustyniak, W.; Bardan, W.; Bashkanov, M.; Bergmann, F. S.; Berłowski, M.; Bhatt, H.; Büscher, M.; Calén, H.; Ciepał, I.;

; Coderre, D.; Czerwiński, E.; Demmich, K.; Doroshkevich, E.; Engels, R.; Erven, A.; Erven, W.; Eyrich, W.; Fedorets, P. more »

Differential cross sections have been extracted from exclusive and kinematically complete high-statistics measurements of quasifree polarized $$\vec n$$p scattering performed in the energy region of the d* (2380) dibaryon resonance covering the range of beam energies T_n = 0.98 - 1.29 GeV (√ s = 2.32 - 2.44 GeV). The experiment was carried out with the WASA-at-COSY setup having a polarized deuteron beam impinged on the hydrogen pellet target and utilizing the quasifree process dp → np + p_spectator. In this way the np differential cross section σ (Θ) was measured over a large angular range. The obtained angular distributions complement the corresponding analyzing power A_y (Θ) measurements published previously. A SAID partial-wave analysis incorporating the new data strengthens the finding of a resonance pole in the coupled ³D₃ - ³G₃ waves.

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Research Organization:: George Washington Univ., Ashburn, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); German Research Foundation (DFG)

Contributing Organization:: WASA-at-COSY Collaboration

Grant/Contract Number:: SC0016583; SC0016582

OSTI ID:: 1638114

Alternate ID(s):: OSTI ID: 1726249

Journal Information:: Physical Review. C, Journal Name: Physical Review. C Vol. 102 Journal Issue: 1; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 5 works

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Title: Differential cross sections for neutron-proton scattering in the region of the d * ( 2380 ) dibaryon resonance

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Title: Differential cross sections for neutron-proton scattering in the region of the $d^{*} (2380)$ dibaryon resonance