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Measurement of polarization observables [Formula: see text] , [Formula: see text] , and [Formula: see text] in [Formula: see text] and [Formula: see text] photoproduction off quasi-free nucleons
The target asymmetry T, recoil asymmetry P, and beam-target double polarization observable H were determined in exclusive [Formula: see text] and [Formula: see text] photoproduction off quasi-free protons and, for the first time, off quasi-free neutrons. The experiment was performed at the electron...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Springer Berlin Heidelberg
2023
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10582157/ https://www.ncbi.nlm.nih.gov/pubmed/37860634 http://dx.doi.org/10.1140/epja/s10050-023-01134-0 |
| _version_ | 1785122268101214208 |
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| author | Jermann, N. Krusche, B. Metag, V. Afzal, F. Badea, M. Beck, R. Bielefeldt, P. Bieling, J. Biroth, M. Blanke, E. Borisov, N. Bornstein, M. Brinkmann, K.-T. Ciupka, S. Crede, V. Dolzhikov, A. Drexler, P. Dutz, H. Elsner, D. Fedorov, A. Frommberger, F. Gardner, S. Ghosal, D. Goertz, S. Gorodnov, I. Grüner, M. Hammann, C. Hartmann, J. Hillert, W. Hoffmeister, P. Honisch, C. Jude, T. C. Kalischewski, F. Ketzer, B. Klassen, P. Klein, F. Klempt, E. Knaust, J. Kolanus, N. Kreit, J. Krönert, P. Lang, M. Lazarev, A. B. Livingston, K. Lutterer, S. Mahlberg, P. Meier, C. Meyer, W. Mitlasoczki, B. Müllers, J. Nanova, M. Neganov, A. Nikonov, K. Noël, J. F. Ostrick, M. Ottnad, J. Otto, B. Penman, G. Poller, T. Proft, D. Reicherz, G. Reinartz, N. Richter, L. Runkel, S. Salisbury, B. Sarantsev, A. V. Schaab, D. Schmidt, C. Schmieden, H. Schultes, J. Seifen, T. Spieker, K. Stausberg, N. Steinacher, M. Taubert, F. Thiel, A. Thoma, U. Thomas, A. Urban, M. Urff, G. Usov, Y. van Pee, H. Wang, Y. C. Wendel, C. Wiedner, U. Wunderlich, Y. |
| author_facet | Jermann, N. Krusche, B. Metag, V. Afzal, F. Badea, M. Beck, R. Bielefeldt, P. Bieling, J. Biroth, M. Blanke, E. Borisov, N. Bornstein, M. Brinkmann, K.-T. Ciupka, S. Crede, V. Dolzhikov, A. Drexler, P. Dutz, H. Elsner, D. Fedorov, A. Frommberger, F. Gardner, S. Ghosal, D. Goertz, S. Gorodnov, I. Grüner, M. Hammann, C. Hartmann, J. Hillert, W. Hoffmeister, P. Honisch, C. Jude, T. C. Kalischewski, F. Ketzer, B. Klassen, P. Klein, F. Klempt, E. Knaust, J. Kolanus, N. Kreit, J. Krönert, P. Lang, M. Lazarev, A. B. Livingston, K. Lutterer, S. Mahlberg, P. Meier, C. Meyer, W. Mitlasoczki, B. Müllers, J. Nanova, M. Neganov, A. Nikonov, K. Noël, J. F. Ostrick, M. Ottnad, J. Otto, B. Penman, G. Poller, T. Proft, D. Reicherz, G. Reinartz, N. Richter, L. Runkel, S. Salisbury, B. Sarantsev, A. V. Schaab, D. Schmidt, C. Schmieden, H. Schultes, J. Seifen, T. Spieker, K. Stausberg, N. Steinacher, M. Taubert, F. Thiel, A. Thoma, U. Thomas, A. Urban, M. Urff, G. Usov, Y. van Pee, H. Wang, Y. C. Wendel, C. Wiedner, U. Wunderlich, Y. |
| author_sort | Jermann, N. |
| collection | PubMed |
| description | The target asymmetry T, recoil asymmetry P, and beam-target double polarization observable H were determined in exclusive [Formula: see text] and [Formula: see text] photoproduction off quasi-free protons and, for the first time, off quasi-free neutrons. The experiment was performed at the electron stretcher accelerator ELSA in Bonn, Germany, with the Crystal Barrel/TAPS detector setup, using a linearly polarized photon beam and a transversely polarized deuterated butanol target. Effects from the Fermi motion of the nucleons within deuterium were removed by a full kinematic reconstruction of the final state invariant mass. A comparison of the data obtained on the proton and on the neutron provides new insight into the isospin structure of the electromagnetic excitation of the nucleon. Earlier measurements of polarization observables in the [Formula: see text] and [Formula: see text] reactions are confirmed. The data obtained on the neutron are of particular relevance for clarifying the origin of the narrow structure in the [Formula: see text] system at [Formula: see text] . A comparison with recent partial wave analyses favors the interpretation of this structure as arising from interference of the [Formula: see text] and [Formula: see text] resonances within the [Formula: see text] -partial wave. |
| format | Online Article Text |
| id | pubmed-10582157 |
| institution | National Center for Biotechnology Information |
| language | English |
| publishDate | 2023 |
| publisher | Springer Berlin Heidelberg |
| record_format | MEDLINE/PubMed |
| spelling | pubmed-105821572023-10-19 Measurement of polarization observables [Formula: see text] , [Formula: see text] , and [Formula: see text] in [Formula: see text] and [Formula: see text] photoproduction off quasi-free nucleons Jermann, N. Krusche, B. Metag, V. Afzal, F. Badea, M. Beck, R. Bielefeldt, P. Bieling, J. Biroth, M. Blanke, E. Borisov, N. Bornstein, M. Brinkmann, K.-T. Ciupka, S. Crede, V. Dolzhikov, A. Drexler, P. Dutz, H. Elsner, D. Fedorov, A. Frommberger, F. Gardner, S. Ghosal, D. Goertz, S. Gorodnov, I. Grüner, M. Hammann, C. Hartmann, J. Hillert, W. Hoffmeister, P. Honisch, C. Jude, T. C. Kalischewski, F. Ketzer, B. Klassen, P. Klein, F. Klempt, E. Knaust, J. Kolanus, N. Kreit, J. Krönert, P. Lang, M. Lazarev, A. B. Livingston, K. Lutterer, S. Mahlberg, P. Meier, C. Meyer, W. Mitlasoczki, B. Müllers, J. Nanova, M. Neganov, A. Nikonov, K. Noël, J. F. Ostrick, M. Ottnad, J. Otto, B. Penman, G. Poller, T. Proft, D. Reicherz, G. Reinartz, N. Richter, L. Runkel, S. Salisbury, B. Sarantsev, A. V. Schaab, D. Schmidt, C. Schmieden, H. Schultes, J. Seifen, T. Spieker, K. Stausberg, N. Steinacher, M. Taubert, F. Thiel, A. Thoma, U. Thomas, A. Urban, M. Urff, G. Usov, Y. van Pee, H. Wang, Y. C. Wendel, C. Wiedner, U. Wunderlich, Y. Eur Phys J A Hadron Nucl Regular Article - Experimental Physics The target asymmetry T, recoil asymmetry P, and beam-target double polarization observable H were determined in exclusive [Formula: see text] and [Formula: see text] photoproduction off quasi-free protons and, for the first time, off quasi-free neutrons. The experiment was performed at the electron stretcher accelerator ELSA in Bonn, Germany, with the Crystal Barrel/TAPS detector setup, using a linearly polarized photon beam and a transversely polarized deuterated butanol target. Effects from the Fermi motion of the nucleons within deuterium were removed by a full kinematic reconstruction of the final state invariant mass. A comparison of the data obtained on the proton and on the neutron provides new insight into the isospin structure of the electromagnetic excitation of the nucleon. Earlier measurements of polarization observables in the [Formula: see text] and [Formula: see text] reactions are confirmed. The data obtained on the neutron are of particular relevance for clarifying the origin of the narrow structure in the [Formula: see text] system at [Formula: see text] . A comparison with recent partial wave analyses favors the interpretation of this structure as arising from interference of the [Formula: see text] and [Formula: see text] resonances within the [Formula: see text] -partial wave. Springer Berlin Heidelberg 2023-10-17 2023 /pmc/articles/PMC10582157/ /pubmed/37860634 http://dx.doi.org/10.1140/epja/s10050-023-01134-0 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . |
| spellingShingle | Regular Article - Experimental Physics Jermann, N. Krusche, B. Metag, V. Afzal, F. Badea, M. Beck, R. Bielefeldt, P. Bieling, J. Biroth, M. Blanke, E. Borisov, N. Bornstein, M. Brinkmann, K.-T. Ciupka, S. Crede, V. Dolzhikov, A. Drexler, P. Dutz, H. Elsner, D. Fedorov, A. Frommberger, F. Gardner, S. Ghosal, D. Goertz, S. Gorodnov, I. Grüner, M. Hammann, C. Hartmann, J. Hillert, W. Hoffmeister, P. Honisch, C. Jude, T. C. Kalischewski, F. Ketzer, B. Klassen, P. Klein, F. Klempt, E. Knaust, J. Kolanus, N. Kreit, J. Krönert, P. Lang, M. Lazarev, A. B. Livingston, K. Lutterer, S. Mahlberg, P. Meier, C. Meyer, W. Mitlasoczki, B. Müllers, J. Nanova, M. Neganov, A. Nikonov, K. Noël, J. F. Ostrick, M. Ottnad, J. Otto, B. Penman, G. Poller, T. Proft, D. Reicherz, G. Reinartz, N. Richter, L. Runkel, S. Salisbury, B. Sarantsev, A. V. Schaab, D. Schmidt, C. Schmieden, H. Schultes, J. Seifen, T. Spieker, K. Stausberg, N. Steinacher, M. Taubert, F. Thiel, A. Thoma, U. Thomas, A. Urban, M. Urff, G. Usov, Y. van Pee, H. Wang, Y. C. Wendel, C. Wiedner, U. Wunderlich, Y. Measurement of polarization observables [Formula: see text] , [Formula: see text] , and [Formula: see text] in [Formula: see text] and [Formula: see text] photoproduction off quasi-free nucleons |
| title | Measurement of polarization observables [Formula: see text] , [Formula: see text] , and [Formula: see text] in [Formula: see text] and [Formula: see text] photoproduction off quasi-free nucleons |
| title_full | Measurement of polarization observables [Formula: see text] , [Formula: see text] , and [Formula: see text] in [Formula: see text] and [Formula: see text] photoproduction off quasi-free nucleons |
| title_fullStr | Measurement of polarization observables [Formula: see text] , [Formula: see text] , and [Formula: see text] in [Formula: see text] and [Formula: see text] photoproduction off quasi-free nucleons |
| title_full_unstemmed | Measurement of polarization observables [Formula: see text] , [Formula: see text] , and [Formula: see text] in [Formula: see text] and [Formula: see text] photoproduction off quasi-free nucleons |
| title_short | Measurement of polarization observables [Formula: see text] , [Formula: see text] , and [Formula: see text] in [Formula: see text] and [Formula: see text] photoproduction off quasi-free nucleons |
| title_sort | measurement of polarization observables [formula: see text] , [formula: see text] , and [formula: see text] in [formula: see text] and [formula: see text] photoproduction off quasi-free nucleons |
| topic | Regular Article - Experimental Physics |
| url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10582157/ https://www.ncbi.nlm.nih.gov/pubmed/37860634 http://dx.doi.org/10.1140/epja/s10050-023-01134-0 |
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