$Rosenbluth Separation of the π^{0} Electroproduction Cross Section Off the Neutron$

Rosenbluth Separation of the π^{0} Electroproduction Cross Section Off the Neutron

We report the first longitudinal-transverse separation of the deeply virtual exclusive π^{0} electroproduction cross section off the neutron and coherent deuteron. The corresponding four structure functions dσ_{L}/dt, dσ_{T}/dt, dσ_{LT}/dt, and dσ_{TT}/dt are extracted as a function of the momentum...

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Veröffentlicht in:	Physical review letters 2017-06, Vol.118 (22), p.222002-222002
Hauptverfasser:	Mazouz, M, Ahmed, Z, Albataineh, H, Allada, K, Aniol, K A, Bellini, V, Benali, M, Boeglin, W, Bertin, P, Brossard, M, Camsonne, A, Canan, M, Chandavar, S, Chen, C, Chen, J-P, Defurne, M, de Jager, C W, de Leo, R, Desnault, C, Deur, A, El Fassi, L, Ent, R, Flay, D, Friend, M, Fuchey, E, Frullani, S, Garibaldi, F, Gaskell, D, Giusa, A, Glamazdin, O, Golge, S, Gomez, J, Hansen, O, Higinbotham, D, Holmstrom, T, Horn, T, Huang, J, Huang, M, Huber, G M, Hyde, C E, Iqbal, S, Itard, F, Kang, Ho, Kang, Hy, Kelleher, A, Keppel, C, Koirala, S, Korover, I, LeRose, J J, Lindgren, R, Long, E, Magne, M, Mammei, J, Margaziotis, D J, Markowitz, P, Martí Jiménez-Argüello, A, Meddi, F, Meekins, D, Michaels, R, Mihovilovic, M, Muangma, N, Muñoz Camacho, C, Nadel-Turonski, P, Nuruzzaman, N, Paremuzyan, R, Puckett, A, Punjabi, V, Qiang, Y, Rakhman, A, Rashad, M N H, Riordan, S, Roche, J, Russo, G, Sabatié, F, Saenboonruang, K, Saha, A, Sawatzky, B, Selvy, L, Shahinyan, A, Sirca, S, Solvignon, P, Sperduto, M L, Subedi, R, Sulkosky, V, Sutera, C, Tobias, W A, Urciuoli, G M, Wang, D, Wojtsekhowski, B, Yao, H, Ye, Z, Zana, L, Zhan, X, Zhang, J, Zhao, B, Zhao, Z, Zheng, X, Zhu, P
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container_end_page	222002
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container_title	Physical review letters
container_volume	118
creator	Mazouz, M Ahmed, Z Albataineh, H Allada, K Aniol, K A Bellini, V Benali, M Boeglin, W Bertin, P Brossard, M Camsonne, A Canan, M Chandavar, S Chen, C Chen, J-P Defurne, M de Jager, C W de Leo, R Desnault, C Deur, A El Fassi, L Ent, R Flay, D Friend, M Fuchey, E Frullani, S Garibaldi, F Gaskell, D Giusa, A Glamazdin, O Golge, S Gomez, J Hansen, O Higinbotham, D Holmstrom, T Horn, T Huang, J Huang, M Huber, G M Hyde, C E Iqbal, S Itard, F Kang, Ho Kang, Hy Kelleher, A Keppel, C Koirala, S Korover, I LeRose, J J Lindgren, R Long, E Magne, M Mammei, J Margaziotis, D J Markowitz, P Martí Jiménez-Argüello, A Meddi, F Meekins, D Michaels, R Mihovilovic, M Muangma, N Muñoz Camacho, C Nadel-Turonski, P Nuruzzaman, N Paremuzyan, R Puckett, A Punjabi, V Qiang, Y Rakhman, A Rashad, M N H Riordan, S Roche, J Russo, G Sabatié, F Saenboonruang, K Saha, A Sawatzky, B Selvy, L Shahinyan, A Sirca, S Solvignon, P Sperduto, M L Subedi, R Sulkosky, V Sutera, C Tobias, W A Urciuoli, G M Wang, D Wojtsekhowski, B Yao, H Ye, Z Zana, L Zhan, X Zhang, J Zhao, B Zhao, Z Zheng, X Zhu, P
description	We report the first longitudinal-transverse separation of the deeply virtual exclusive π^{0} electroproduction cross section off the neutron and coherent deuteron. The corresponding four structure functions dσ_{L}/dt, dσ_{T}/dt, dσ_{LT}/dt, and dσ_{TT}/dt are extracted as a function of the momentum transfer to the recoil system at Q^{2}=1.75 GeV^{2} and x_{B}=0.36. The ed→edπ^{0} cross sections are found compatible with the small values expected from theoretical models. The en→enπ^{0} cross sections show a dominance from the response to transversely polarized photons, and are in good agreement with calculations based on the transversity generalized parton distributions of the nucleon. By combining these results with previous measurements of π^{0} electroproduction off the proton, we present a flavor decomposition of the u and d quark contributions to the cross section.
doi_str_mv	10.1103/PhysRevLett.118.222002
format	Article
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The corresponding four structure functions dσ_{L}/dt, dσ_{T}/dt, dσ_{LT}/dt, and dσ_{TT}/dt are extracted as a function of the momentum transfer to the recoil system at Q^{2}=1.75 GeV^{2} and x_{B}=0.36. The ed→edπ^{0} cross sections are found compatible with the small values expected from theoretical models. The en→enπ^{0} cross sections show a dominance from the response to transversely polarized photons, and are in good agreement with calculations based on the transversity generalized parton distributions of the nucleon. By combining these results with previous measurements of π^{0} electroproduction off the proton, we present a flavor decomposition of the u and d quark contributions to the cross section.</description><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.118.222002</identifier><identifier>PMID: 28621966</identifier><language>eng</language><publisher>United States</publisher><ispartof>Physical review letters, 2017-06, Vol.118 (22), p.222002-222002</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28621966$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mazouz, 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A</creatorcontrib><creatorcontrib>Rashad, M N H</creatorcontrib><creatorcontrib>Riordan, S</creatorcontrib><creatorcontrib>Roche, J</creatorcontrib><creatorcontrib>Russo, G</creatorcontrib><creatorcontrib>Sabatié, F</creatorcontrib><creatorcontrib>Saenboonruang, K</creatorcontrib><creatorcontrib>Saha, A</creatorcontrib><creatorcontrib>Sawatzky, B</creatorcontrib><creatorcontrib>Selvy, L</creatorcontrib><creatorcontrib>Shahinyan, A</creatorcontrib><creatorcontrib>Sirca, S</creatorcontrib><creatorcontrib>Solvignon, P</creatorcontrib><creatorcontrib>Sperduto, M L</creatorcontrib><creatorcontrib>Subedi, R</creatorcontrib><creatorcontrib>Sulkosky, V</creatorcontrib><creatorcontrib>Sutera, C</creatorcontrib><creatorcontrib>Tobias, W A</creatorcontrib><creatorcontrib>Urciuoli, G M</creatorcontrib><creatorcontrib>Wang, D</creatorcontrib><creatorcontrib>Wojtsekhowski, B</creatorcontrib><creatorcontrib>Yao, H</creatorcontrib><creatorcontrib>Ye, Z</creatorcontrib><creatorcontrib>Zana, L</creatorcontrib><creatorcontrib>Zhan, X</creatorcontrib><creatorcontrib>Zhang, J</creatorcontrib><creatorcontrib>Zhao, B</creatorcontrib><creatorcontrib>Zhao, Z</creatorcontrib><creatorcontrib>Zheng, X</creatorcontrib><creatorcontrib>Zhu, P</creatorcontrib><creatorcontrib>Jefferson Lab Hall A Collaboration</creatorcontrib><title>Rosenbluth Separation of the π^{0} Electroproduction Cross Section Off the Neutron</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>We report the first longitudinal-transverse separation of the deeply virtual exclusive π^{0} electroproduction cross section off the neutron and coherent deuteron. The corresponding four structure functions dσ_{L}/dt, dσ_{T}/dt, dσ_{LT}/dt, and dσ_{TT}/dt are extracted as a function of the momentum transfer to the recoil system at Q^{2}=1.75 GeV^{2} and x_{B}=0.36. The ed→edπ^{0} cross sections are found compatible with the small values expected from theoretical models. The en→enπ^{0} cross sections show a dominance from the response to transversely polarized photons, and are in good agreement with calculations based on the transversity generalized parton distributions of the nucleon. By combining these results with previous measurements of π^{0} electroproduction off the proton, we present a flavor decomposition of the u and d quark contributions to the cross section.</description><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNo1kF9LwzAUxYMgbk6_wuijL525aZamj1LmHxhONn21JOkNm7RNbVJhiOA39CtZ3Hw6nHt-93I5hEyBzgBocv203fs1fiwxhGEgZ4wxStkJGQNNszgF4CNy7v0bpRSYkGdkxKRgkAkxJpu189joqg_baIOt6lTYuSZyNgpbjH6-Xz_pV7So0ITOtZ0re_OX553zflg4uJU94I_YD1hzQU6tqjxeHnVCXm4Xz_l9vFzdPeQ3y7gFDiHWUmmrRamsEnwuGRhIFTAtRSmp1nwOiRaZMJanXFHU3IBU0ggEhlaASCbk6nB3eOy9Rx-KeucNVpVq0PW-gAyopMAFDOj0iPa6xrJou12tun3xX0TyC68IYjs</recordid><startdate>20170602</startdate><enddate>20170602</enddate><creator>Mazouz, M</creator><creator>Ahmed, Z</creator><creator>Albataineh, H</creator><creator>Allada, K</creator><creator>Aniol, K A</creator><creator>Bellini, V</creator><creator>Benali, 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; Wang, D ; Wojtsekhowski, B ; Yao, H ; Ye, Z ; Zana, L ; Zhan, X ; Zhang, J ; Zhao, B ; Zhao, Z ; Zheng, X ; Zhu, P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p141t-b8abfb6dafa645821c17a12b86d80bb4513b696cf474a0eb4c18a8c6e12ef6163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mazouz, M</creatorcontrib><creatorcontrib>Ahmed, Z</creatorcontrib><creatorcontrib>Albataineh, H</creatorcontrib><creatorcontrib>Allada, K</creatorcontrib><creatorcontrib>Aniol, K A</creatorcontrib><creatorcontrib>Bellini, V</creatorcontrib><creatorcontrib>Benali, M</creatorcontrib><creatorcontrib>Boeglin, W</creatorcontrib><creatorcontrib>Bertin, P</creatorcontrib><creatorcontrib>Brossard, M</creatorcontrib><creatorcontrib>Camsonne, A</creatorcontrib><creatorcontrib>Canan, 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T</creatorcontrib><creatorcontrib>Horn, T</creatorcontrib><creatorcontrib>Huang, J</creatorcontrib><creatorcontrib>Huang, M</creatorcontrib><creatorcontrib>Huber, G M</creatorcontrib><creatorcontrib>Hyde, C E</creatorcontrib><creatorcontrib>Iqbal, S</creatorcontrib><creatorcontrib>Itard, F</creatorcontrib><creatorcontrib>Kang, Ho</creatorcontrib><creatorcontrib>Kang, Hy</creatorcontrib><creatorcontrib>Kelleher, A</creatorcontrib><creatorcontrib>Keppel, C</creatorcontrib><creatorcontrib>Koirala, S</creatorcontrib><creatorcontrib>Korover, I</creatorcontrib><creatorcontrib>LeRose, J J</creatorcontrib><creatorcontrib>Lindgren, R</creatorcontrib><creatorcontrib>Long, E</creatorcontrib><creatorcontrib>Magne, M</creatorcontrib><creatorcontrib>Mammei, J</creatorcontrib><creatorcontrib>Margaziotis, D J</creatorcontrib><creatorcontrib>Markowitz, P</creatorcontrib><creatorcontrib>Martí Jiménez-Argüello, A</creatorcontrib><creatorcontrib>Meddi, F</creatorcontrib><creatorcontrib>Meekins, D</creatorcontrib><creatorcontrib>Michaels, R</creatorcontrib><creatorcontrib>Mihovilovic, M</creatorcontrib><creatorcontrib>Muangma, N</creatorcontrib><creatorcontrib>Muñoz Camacho, C</creatorcontrib><creatorcontrib>Nadel-Turonski, P</creatorcontrib><creatorcontrib>Nuruzzaman, N</creatorcontrib><creatorcontrib>Paremuzyan, R</creatorcontrib><creatorcontrib>Puckett, A</creatorcontrib><creatorcontrib>Punjabi, V</creatorcontrib><creatorcontrib>Qiang, Y</creatorcontrib><creatorcontrib>Rakhman, A</creatorcontrib><creatorcontrib>Rashad, M N H</creatorcontrib><creatorcontrib>Riordan, S</creatorcontrib><creatorcontrib>Roche, J</creatorcontrib><creatorcontrib>Russo, G</creatorcontrib><creatorcontrib>Sabatié, F</creatorcontrib><creatorcontrib>Saenboonruang, K</creatorcontrib><creatorcontrib>Saha, A</creatorcontrib><creatorcontrib>Sawatzky, B</creatorcontrib><creatorcontrib>Selvy, L</creatorcontrib><creatorcontrib>Shahinyan, A</creatorcontrib><creatorcontrib>Sirca, S</creatorcontrib><creatorcontrib>Solvignon, P</creatorcontrib><creatorcontrib>Sperduto, M L</creatorcontrib><creatorcontrib>Subedi, R</creatorcontrib><creatorcontrib>Sulkosky, V</creatorcontrib><creatorcontrib>Sutera, C</creatorcontrib><creatorcontrib>Tobias, W A</creatorcontrib><creatorcontrib>Urciuoli, G M</creatorcontrib><creatorcontrib>Wang, D</creatorcontrib><creatorcontrib>Wojtsekhowski, B</creatorcontrib><creatorcontrib>Yao, H</creatorcontrib><creatorcontrib>Ye, Z</creatorcontrib><creatorcontrib>Zana, L</creatorcontrib><creatorcontrib>Zhan, X</creatorcontrib><creatorcontrib>Zhang, J</creatorcontrib><creatorcontrib>Zhao, B</creatorcontrib><creatorcontrib>Zhao, Z</creatorcontrib><creatorcontrib>Zheng, X</creatorcontrib><creatorcontrib>Zhu, P</creatorcontrib><creatorcontrib>Jefferson Lab Hall A Collaboration</creatorcontrib><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mazouz, M</au><au>Ahmed, Z</au><au>Albataineh, H</au><au>Allada, K</au><au>Aniol, K A</au><au>Bellini, V</au><au>Benali, M</au><au>Boeglin, W</au><au>Bertin, P</au><au>Brossard, M</au><au>Camsonne, A</au><au>Canan, M</au><au>Chandavar, S</au><au>Chen, C</au><au>Chen, J-P</au><au>Defurne, M</au><au>de Jager, C W</au><au>de Leo, R</au><au>Desnault, C</au><au>Deur, A</au><au>El Fassi, L</au><au>Ent, R</au><au>Flay, D</au><au>Friend, M</au><au>Fuchey, E</au><au>Frullani, S</au><au>Garibaldi, F</au><au>Gaskell, D</au><au>Giusa, A</au><au>Glamazdin, O</au><au>Golge, S</au><au>Gomez, J</au><au>Hansen, O</au><au>Higinbotham, D</au><au>Holmstrom, T</au><au>Horn, T</au><au>Huang, J</au><au>Huang, M</au><au>Huber, G M</au><au>Hyde, C E</au><au>Iqbal, S</au><au>Itard, F</au><au>Kang, Ho</au><au>Kang, Hy</au><au>Kelleher, A</au><au>Keppel, C</au><au>Koirala, S</au><au>Korover, I</au><au>LeRose, J J</au><au>Lindgren, R</au><au>Long, E</au><au>Magne, M</au><au>Mammei, J</au><au>Margaziotis, D J</au><au>Markowitz, P</au><au>Martí Jiménez-Argüello, A</au><au>Meddi, F</au><au>Meekins, D</au><au>Michaels, R</au><au>Mihovilovic, M</au><au>Muangma, N</au><au>Muñoz Camacho, C</au><au>Nadel-Turonski, P</au><au>Nuruzzaman, N</au><au>Paremuzyan, R</au><au>Puckett, A</au><au>Punjabi, V</au><au>Qiang, Y</au><au>Rakhman, A</au><au>Rashad, M N H</au><au>Riordan, S</au><au>Roche, J</au><au>Russo, G</au><au>Sabatié, F</au><au>Saenboonruang, K</au><au>Saha, A</au><au>Sawatzky, B</au><au>Selvy, L</au><au>Shahinyan, A</au><au>Sirca, S</au><au>Solvignon, P</au><au>Sperduto, M L</au><au>Subedi, R</au><au>Sulkosky, V</au><au>Sutera, C</au><au>Tobias, W A</au><au>Urciuoli, G M</au><au>Wang, D</au><au>Wojtsekhowski, B</au><au>Yao, H</au><au>Ye, Z</au><au>Zana, L</au><au>Zhan, X</au><au>Zhang, J</au><au>Zhao, B</au><au>Zhao, Z</au><au>Zheng, X</au><au>Zhu, P</au><aucorp>Jefferson Lab Hall A Collaboration</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rosenbluth Separation of the π^{0} Electroproduction Cross Section Off the Neutron</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2017-06-02</date><risdate>2017</risdate><volume>118</volume><issue>22</issue><spage>222002</spage><epage>222002</epage><pages>222002-222002</pages><eissn>1079-7114</eissn><abstract>We report the first longitudinal-transverse separation of the deeply virtual exclusive π^{0} electroproduction cross section off the neutron and coherent deuteron. The corresponding four structure functions dσ_{L}/dt, dσ_{T}/dt, dσ_{LT}/dt, and dσ_{TT}/dt are extracted as a function of the momentum transfer to the recoil system at Q^{2}=1.75 GeV^{2} and x_{B}=0.36. The ed→edπ^{0} cross sections are found compatible with the small values expected from theoretical models. The en→enπ^{0} cross sections show a dominance from the response to transversely polarized photons, and are in good agreement with calculations based on the transversity generalized parton distributions of the nucleon. By combining these results with previous measurements of π^{0} electroproduction off the proton, we present a flavor decomposition of the u and d quark contributions to the cross section.</abstract><cop>United States</cop><pmid>28621966</pmid><doi>10.1103/PhysRevLett.118.222002</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record>
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title	Rosenbluth Separation of the π^{0} Electroproduction Cross Section Off the Neutron
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