Target and beam-target spin asymmetries in exclusive pion electroproduction for $Q^2>1$ GeV$^2$. II. $e p \rightarrow e \pi^0 p
Phys. Rev. C 95, 035207 (2017) Beam-target double-spin asymmetries and target single-spin asymmetries were measured for the exclusive $\pi^0$ electroproduction reaction $\gamma^* p \to p \pi^0$, expanding an analysis of the $\gamma^* p \to n \pi^+$ reaction from the same experiment. The results were...
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| creator | Bosted, P. E Adikaram, D Badui, R. A Ball, J Battaglieri, M Biselli, A. S Briscoe, W. J Bültmann, S Burkert, V. D Cao, T Celentano, A Chandavar, S Charles, G Chetry, T Ciullo, G Clark, L Colaneri, L Cole, P. L Contalbrigo, M Crede, V De Vita, R De Sanctis, E Deur, A Dupre, R Alaoui, A. El Fassi, L. El Elouadrhiri, L Fedotov, G Filippi, A Fleming, J. A Ghandilyan, Y Gilfoyle, G. P Girod, F. X Gohn, W Golovatch, E Griffioen, K. A Hakobyan, H Guo, L Hafidi, K Heddle, D Hicks, K Hollis, G Holtrop, M Ireland, D. G Isupov, E. L Jenkins, D Jiang, H Keller, D Khachatryan, G Khandaker, M Klei, A Klein, F. J Kubarovsky, V Kuhn, S. E Lanza, L Livingston, K Markov, N Mayer, M McCracken, M. E Mineeva, T Mirazita, M Mokeev, V. I Montgomery, R. A Movsisyan, A Ni, A Niccolai, S Osipenko, M Ostrovidov, A. I Paolone, M Paremuzyan, R Park, K Pasyuk, E Phelps, W Pogorelko, O Price, J. W Prok, Y Raue, B. A Ripani, M Rizzo, A Rosner, G Rossi, P Sabatié, F Saini, M. S Seder, E Sharabian, Y. G Skorodumina, Iu Sokhan, D Sparveris, N Stankovic, I Stoler, P Strakovsky, I. I Tian, Ye Torayev, B Voutier, E Walford, N. K Wei, X Weinstein, L. B Zhang, J Zhao, Z. W Zonta, I |
| description | Phys. Rev. C 95, 035207 (2017) Beam-target double-spin asymmetries and target single-spin asymmetries were
measured for the exclusive $\pi^0$ electroproduction reaction $\gamma^* p \to p
\pi^0$, expanding an analysis of the $\gamma^* p \to n \pi^+$ reaction from the
same experiment. The results were obtained from scattering of 6 GeV
longitudinally polarized electrons off longitudinally polarized protons using
the CEBAF Large Acceptance Spectrometer at Jefferson Lab. The kinematic range
covered is $1.1 |
| doi_str_mv | 10.48550/arxiv.1611.04987 |
| format | Article |
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measured for the exclusive $\pi^0$ electroproduction reaction $\gamma^* p \to p
\pi^0$, expanding an analysis of the $\gamma^* p \to n \pi^+$ reaction from the
same experiment. The results were obtained from scattering of 6 GeV
longitudinally polarized electrons off longitudinally polarized protons using
the CEBAF Large Acceptance Spectrometer at Jefferson Lab. The kinematic range
covered is $1.1<W<3$ GeV and $1<Q^2<6$ GeV$^2$. Results were obtained for about
5700 bins in $W$, $Q^2$, \cthcm, and $\phi^*$. The beam-target asymmetries were
found to generally be greater than zero, with relatively modest \phicmsp
dependence. The target asymmetries exhibit very strong \phicmsp dependence,
with a change in sign occurring between results at low $W$ and high $W$, in
contrast to $\pi^+$ electroproduction. Reasonable agreement is found with
phenomenological fits to previous data for $W<1.6$ GeV, but significant
differences are seen at higher $W$. When combined with cross section
measurements, as well as $\pi^+$ observables, the present results will provide
powerful constraints on nucleon resonance amplitudes at moderate and large
values of $Q^2$, for resonances with masses as high as 2.4 GeV.</description><identifier>DOI: 10.48550/arxiv.1611.04987</identifier><language>eng</language><subject>Physics - Nuclear Experiment</subject><creationdate>2016-11</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,781,886</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/1611.04987$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.1611.04987$$DView paper in arXiv$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.1103/PhysRevC.95.035207$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink></links><search><creatorcontrib>Bosted, P. 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W</creatorcontrib><creatorcontrib>Zonta, I</creatorcontrib><title>Target and beam-target spin asymmetries in exclusive pion electroproduction for $Q^2>1$ GeV$^2$. II. $e p \rightarrow e \pi^0 p</title><description>Phys. Rev. C 95, 035207 (2017) Beam-target double-spin asymmetries and target single-spin asymmetries were
measured for the exclusive $\pi^0$ electroproduction reaction $\gamma^* p \to p
\pi^0$, expanding an analysis of the $\gamma^* p \to n \pi^+$ reaction from the
same experiment. The results were obtained from scattering of 6 GeV
longitudinally polarized electrons off longitudinally polarized protons using
the CEBAF Large Acceptance Spectrometer at Jefferson Lab. The kinematic range
covered is $1.1<W<3$ GeV and $1<Q^2<6$ GeV$^2$. Results were obtained for about
5700 bins in $W$, $Q^2$, \cthcm, and $\phi^*$. The beam-target asymmetries were
found to generally be greater than zero, with relatively modest \phicmsp
dependence. The target asymmetries exhibit very strong \phicmsp dependence,
with a change in sign occurring between results at low $W$ and high $W$, in
contrast to $\pi^+$ electroproduction. Reasonable agreement is found with
phenomenological fits to previous data for $W<1.6$ GeV, but significant
differences are seen at higher $W$. When combined with cross section
measurements, as well as $\pi^+$ observables, the present results will provide
powerful constraints on nucleon resonance amplitudes at moderate and large
values of $Q^2$, for resonances with masses as high as 2.4 GeV.</description><subject>Physics - Nuclear Experiment</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNqFjrkOwjAQRN1QIOADqNjCLSaGhKOhQVwlEqJCiUyyAUsJttbmqvh1wtFTrd5qZvQYa8tAhOMoCnqK7voq5FBKEYST8ajOnltFR_SgzhkcUJVd_2Vn9RmUe5QletLooEK8p8XF6SuC1abCAlNPxpLJLql_f3JDwDdxfyo5LHHH4z4XsF4L4FUF9qSPp2qezA0Q9lbHAdgmq-WqcNj63QbrLObb2ar7UU0s6VLRI3krJx_lwf_EC9-VSyk</recordid><startdate>20161115</startdate><enddate>20161115</enddate><creator>Bosted, P. E</creator><creator>Adikaram, D</creator><creator>Badui, R. A</creator><creator>Ball, J</creator><creator>Battaglieri, M</creator><creator>Biselli, A. S</creator><creator>Briscoe, W. J</creator><creator>Bültmann, S</creator><creator>Burkert, V. 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E ; Lanza, L ; Livingston, K ; Markov, N ; Mayer, M ; McCracken, M. E ; Mineeva, T ; Mirazita, M ; Mokeev, V. I ; Montgomery, R. A ; Movsisyan, A ; Ni, A ; Niccolai, S ; Osipenko, M ; Ostrovidov, A. I ; Paolone, M ; Paremuzyan, R ; Park, K ; Pasyuk, E ; Phelps, W ; Pogorelko, O ; Price, J. W ; Prok, Y ; Raue, B. A ; Ripani, M ; Rizzo, A ; Rosner, G ; Rossi, P ; Sabatié, F ; Saini, M. S ; Seder, E ; Sharabian, Y. G ; Skorodumina, Iu ; Sokhan, D ; Sparveris, N ; Stankovic, I ; Stoler, P ; Strakovsky, I. I ; Tian, Ye ; Torayev, B ; Voutier, E ; Walford, N. K ; Wei, X ; Weinstein, L. B ; Zhang, J ; Zhao, Z. W ; Zonta, I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-arxiv_primary_1611_049873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Physics - Nuclear Experiment</topic><toplevel>online_resources</toplevel><creatorcontrib>Bosted, P. E</creatorcontrib><creatorcontrib>Adikaram, D</creatorcontrib><creatorcontrib>Badui, R. A</creatorcontrib><creatorcontrib>Ball, J</creatorcontrib><creatorcontrib>Battaglieri, M</creatorcontrib><creatorcontrib>Biselli, A. S</creatorcontrib><creatorcontrib>Briscoe, W. J</creatorcontrib><creatorcontrib>Bültmann, S</creatorcontrib><creatorcontrib>Burkert, V. D</creatorcontrib><creatorcontrib>Cao, T</creatorcontrib><creatorcontrib>Celentano, A</creatorcontrib><creatorcontrib>Chandavar, S</creatorcontrib><creatorcontrib>Charles, G</creatorcontrib><creatorcontrib>Chetry, T</creatorcontrib><creatorcontrib>Ciullo, G</creatorcontrib><creatorcontrib>Clark, L</creatorcontrib><creatorcontrib>Colaneri, L</creatorcontrib><creatorcontrib>Cole, P. 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A</creatorcontrib><creatorcontrib>Hakobyan, H</creatorcontrib><creatorcontrib>Guo, L</creatorcontrib><creatorcontrib>Hafidi, K</creatorcontrib><creatorcontrib>Heddle, D</creatorcontrib><creatorcontrib>Hicks, K</creatorcontrib><creatorcontrib>Hollis, G</creatorcontrib><creatorcontrib>Holtrop, M</creatorcontrib><creatorcontrib>Ireland, D. G</creatorcontrib><creatorcontrib>Isupov, E. L</creatorcontrib><creatorcontrib>Jenkins, D</creatorcontrib><creatorcontrib>Jiang, H</creatorcontrib><creatorcontrib>Keller, D</creatorcontrib><creatorcontrib>Khachatryan, G</creatorcontrib><creatorcontrib>Khandaker, M</creatorcontrib><creatorcontrib>Klei, A</creatorcontrib><creatorcontrib>Klein, F. J</creatorcontrib><creatorcontrib>Kubarovsky, V</creatorcontrib><creatorcontrib>Kuhn, S. E</creatorcontrib><creatorcontrib>Lanza, L</creatorcontrib><creatorcontrib>Livingston, K</creatorcontrib><creatorcontrib>Markov, N</creatorcontrib><creatorcontrib>Mayer, M</creatorcontrib><creatorcontrib>McCracken, M. E</creatorcontrib><creatorcontrib>Mineeva, T</creatorcontrib><creatorcontrib>Mirazita, M</creatorcontrib><creatorcontrib>Mokeev, V. I</creatorcontrib><creatorcontrib>Montgomery, R. A</creatorcontrib><creatorcontrib>Movsisyan, A</creatorcontrib><creatorcontrib>Ni, A</creatorcontrib><creatorcontrib>Niccolai, S</creatorcontrib><creatorcontrib>Osipenko, M</creatorcontrib><creatorcontrib>Ostrovidov, A. I</creatorcontrib><creatorcontrib>Paolone, M</creatorcontrib><creatorcontrib>Paremuzyan, R</creatorcontrib><creatorcontrib>Park, K</creatorcontrib><creatorcontrib>Pasyuk, E</creatorcontrib><creatorcontrib>Phelps, W</creatorcontrib><creatorcontrib>Pogorelko, O</creatorcontrib><creatorcontrib>Price, J. W</creatorcontrib><creatorcontrib>Prok, Y</creatorcontrib><creatorcontrib>Raue, B. A</creatorcontrib><creatorcontrib>Ripani, M</creatorcontrib><creatorcontrib>Rizzo, A</creatorcontrib><creatorcontrib>Rosner, G</creatorcontrib><creatorcontrib>Rossi, P</creatorcontrib><creatorcontrib>Sabatié, F</creatorcontrib><creatorcontrib>Saini, M. S</creatorcontrib><creatorcontrib>Seder, E</creatorcontrib><creatorcontrib>Sharabian, Y. G</creatorcontrib><creatorcontrib>Skorodumina, Iu</creatorcontrib><creatorcontrib>Sokhan, D</creatorcontrib><creatorcontrib>Sparveris, N</creatorcontrib><creatorcontrib>Stankovic, I</creatorcontrib><creatorcontrib>Stoler, P</creatorcontrib><creatorcontrib>Strakovsky, I. I</creatorcontrib><creatorcontrib>Tian, Ye</creatorcontrib><creatorcontrib>Torayev, B</creatorcontrib><creatorcontrib>Voutier, E</creatorcontrib><creatorcontrib>Walford, N. K</creatorcontrib><creatorcontrib>Wei, X</creatorcontrib><creatorcontrib>Weinstein, L. B</creatorcontrib><creatorcontrib>Zhang, J</creatorcontrib><creatorcontrib>Zhao, Z. W</creatorcontrib><creatorcontrib>Zonta, I</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bosted, P. E</au><au>Adikaram, D</au><au>Badui, R. A</au><au>Ball, J</au><au>Battaglieri, M</au><au>Biselli, A. S</au><au>Briscoe, W. J</au><au>Bültmann, S</au><au>Burkert, V. D</au><au>Cao, T</au><au>Celentano, A</au><au>Chandavar, S</au><au>Charles, G</au><au>Chetry, T</au><au>Ciullo, G</au><au>Clark, L</au><au>Colaneri, L</au><au>Cole, P. L</au><au>Contalbrigo, M</au><au>Crede, V</au><au>De Vita, R</au><au>De Sanctis, E</au><au>Deur, A</au><au>Dupre, R</au><au>Alaoui, A. El</au><au>Fassi, L. El</au><au>Elouadrhiri, L</au><au>Fedotov, G</au><au>Filippi, A</au><au>Fleming, J. A</au><au>Ghandilyan, Y</au><au>Gilfoyle, G. P</au><au>Girod, F. X</au><au>Gohn, W</au><au>Golovatch, E</au><au>Griffioen, K. A</au><au>Hakobyan, H</au><au>Guo, L</au><au>Hafidi, K</au><au>Heddle, D</au><au>Hicks, K</au><au>Hollis, G</au><au>Holtrop, M</au><au>Ireland, D. G</au><au>Isupov, E. L</au><au>Jenkins, D</au><au>Jiang, H</au><au>Keller, D</au><au>Khachatryan, G</au><au>Khandaker, M</au><au>Klei, A</au><au>Klein, F. J</au><au>Kubarovsky, V</au><au>Kuhn, S. E</au><au>Lanza, L</au><au>Livingston, K</au><au>Markov, N</au><au>Mayer, M</au><au>McCracken, M. E</au><au>Mineeva, T</au><au>Mirazita, M</au><au>Mokeev, V. I</au><au>Montgomery, R. A</au><au>Movsisyan, A</au><au>Ni, A</au><au>Niccolai, S</au><au>Osipenko, M</au><au>Ostrovidov, A. I</au><au>Paolone, M</au><au>Paremuzyan, R</au><au>Park, K</au><au>Pasyuk, E</au><au>Phelps, W</au><au>Pogorelko, O</au><au>Price, J. W</au><au>Prok, Y</au><au>Raue, B. A</au><au>Ripani, M</au><au>Rizzo, A</au><au>Rosner, G</au><au>Rossi, P</au><au>Sabatié, F</au><au>Saini, M. S</au><au>Seder, E</au><au>Sharabian, Y. G</au><au>Skorodumina, Iu</au><au>Sokhan, D</au><au>Sparveris, N</au><au>Stankovic, I</au><au>Stoler, P</au><au>Strakovsky, I. I</au><au>Tian, Ye</au><au>Torayev, B</au><au>Voutier, E</au><au>Walford, N. K</au><au>Wei, X</au><au>Weinstein, L. B</au><au>Zhang, J</au><au>Zhao, Z. W</au><au>Zonta, I</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Target and beam-target spin asymmetries in exclusive pion electroproduction for $Q^2>1$ GeV$^2$. II. $e p \rightarrow e \pi^0 p</atitle><date>2016-11-15</date><risdate>2016</risdate><abstract>Phys. Rev. C 95, 035207 (2017) Beam-target double-spin asymmetries and target single-spin asymmetries were
measured for the exclusive $\pi^0$ electroproduction reaction $\gamma^* p \to p
\pi^0$, expanding an analysis of the $\gamma^* p \to n \pi^+$ reaction from the
same experiment. The results were obtained from scattering of 6 GeV
longitudinally polarized electrons off longitudinally polarized protons using
the CEBAF Large Acceptance Spectrometer at Jefferson Lab. The kinematic range
covered is $1.1<W<3$ GeV and $1<Q^2<6$ GeV$^2$. Results were obtained for about
5700 bins in $W$, $Q^2$, \cthcm, and $\phi^*$. The beam-target asymmetries were
found to generally be greater than zero, with relatively modest \phicmsp
dependence. The target asymmetries exhibit very strong \phicmsp dependence,
with a change in sign occurring between results at low $W$ and high $W$, in
contrast to $\pi^+$ electroproduction. Reasonable agreement is found with
phenomenological fits to previous data for $W<1.6$ GeV, but significant
differences are seen at higher $W$. When combined with cross section
measurements, as well as $\pi^+$ observables, the present results will provide
powerful constraints on nucleon resonance amplitudes at moderate and large
values of $Q^2$, for resonances with masses as high as 2.4 GeV.</abstract><doi>10.48550/arxiv.1611.04987</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | DOI: 10.48550/arxiv.1611.04987 |
| ispartof | |
| issn | |
| language | eng |
| recordid | cdi_arxiv_primary_1611_04987 |
| source | arXiv.org |
| subjects | Physics - Nuclear Experiment |
| title | Target and beam-target spin asymmetries in exclusive pion electroproduction for $Q^2>1$ GeV$^2$. II. $e p \rightarrow e \pi^0 p |
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