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Backward-angle electroproduction of $η'$ mesons off protons at $W=2.13~\text{GeV}$ and $Q^{2}=0.46~\left(\text{GeV}/c\right)^{2}$

Fuente: arXiv

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Autori principali:	Akiyama, T., Bydžovský, P., Gogami, T., Itabashi, K., Nagao, S., Nakamura, S. N., Okuyama, K., Pandey, B., Skoupil, D., Suzuki, K. N., Tang, L., Abrams, D., Androic, D., Aniol, K., Gayoso, C. Ayerbe, Bane, J., Barcus, S., Barrow, J., Bellini, V., Bhatt, H., Bhetuwal, D., Biswas, D., Camsonne, A., Castellanos, J., Chen, J-P., Chen, J., Covrig, S., Chrisman, D., Cruz-Torres, R., Das, R., Fuchey, E., Gnanvo, K., Garibaldi, F., Gautam, T., Gomez, J., Gueye, P., Hague, T. J., Hansen, O., Henry, W., Hauenstein, F., Higinbotham, D. W., Hyde, C. E., Kaneta, M., Keppel, C., Kutz, T., Lashley-Colthirst, N., Li, S., Liu, H., Mammei, J., Markowitz, P., McClellan, R. E., Meddi, F., Meekins, D., Michaels, R., Mihovilovič, M., Moyer, A., Nguyen, D., Nycz, M., Owen, V., Palatchi, C., Park, S., Petkovic, T., Premathilake, S., Reimer, P. E., Reinhold, J., Riordan, S., Rodriguez, V., Samanta, C., Santiesteban, S. N., Sawatzky, B., Širca, S., Slifer, K., Su, T., Tian, Y., Toyama, Y., Trnková, D., Uehara, K., Urciuoli, G. M., Votaw, D., Williamson, J., Wojtsekhowski, B., Wood, S. A., Yale, B., Ye, Z., Zhang, J., Zheng, X.
Natura:	Preprint
Pubblicazione:	2025
Soggetti:	Nuclear Experiment
Accesso online:	Acceder al recurso
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_version_	1866917426374901760
author	Akiyama, T. Bydžovský, P. Gogami, T. Itabashi, K. Nagao, S. Nakamura, S. N. Okuyama, K. Pandey, B. Skoupil, D. Suzuki, K. N. Tang, L. Abrams, D. Androic, D. Aniol, K. Gayoso, C. Ayerbe Bane, J. Barcus, S. Barrow, J. Bellini, V. Bhatt, H. Bhetuwal, D. Biswas, D. Camsonne, A. Castellanos, J. Chen, J-P. Chen, J. Covrig, S. Chrisman, D. Cruz-Torres, R. Das, R. Fuchey, E. Gnanvo, K. Garibaldi, F. Gautam, T. Gomez, J. Gueye, P. Hague, T. J. Hansen, O. Henry, W. Hauenstein, F. Higinbotham, D. W. Hyde, C. E. Kaneta, M. Keppel, C. Kutz, T. Lashley-Colthirst, N. Li, S. Liu, H. Mammei, J. Markowitz, P. McClellan, R. E. Meddi, F. Meekins, D. Michaels, R. Mihovilovič, M. Moyer, A. Nguyen, D. Nycz, M. Owen, V. Palatchi, C. Park, S. Petkovic, T. Premathilake, S. Reimer, P. E. Reinhold, J. Riordan, S. Rodriguez, V. Samanta, C. Santiesteban, S. N. Sawatzky, B. Širca, S. Slifer, K. Su, T. Tian, Y. Toyama, Y. Trnková, D. Uehara, K. Urciuoli, G. M. Votaw, D. Williamson, J. Wojtsekhowski, B. Wood, S. A. Yale, B. Ye, Z. Zhang, J. Zheng, X.
author_facet	Akiyama, T. Bydžovský, P. Gogami, T. Itabashi, K. Nagao, S. Nakamura, S. N. Okuyama, K. Pandey, B. Skoupil, D. Suzuki, K. N. Tang, L. Abrams, D. Androic, D. Aniol, K. Gayoso, C. Ayerbe Bane, J. Barcus, S. Barrow, J. Bellini, V. Bhatt, H. Bhetuwal, D. Biswas, D. Camsonne, A. Castellanos, J. Chen, J-P. Chen, J. Covrig, S. Chrisman, D. Cruz-Torres, R. Das, R. Fuchey, E. Gnanvo, K. Garibaldi, F. Gautam, T. Gomez, J. Gueye, P. Hague, T. J. Hansen, O. Henry, W. Hauenstein, F. Higinbotham, D. W. Hyde, C. E. Kaneta, M. Keppel, C. Kutz, T. Lashley-Colthirst, N. Li, S. Liu, H. Mammei, J. Markowitz, P. McClellan, R. E. Meddi, F. Meekins, D. Michaels, R. Mihovilovič, M. Moyer, A. Nguyen, D. Nycz, M. Owen, V. Palatchi, C. Park, S. Petkovic, T. Premathilake, S. Reimer, P. E. Reinhold, J. Riordan, S. Rodriguez, V. Samanta, C. Santiesteban, S. N. Sawatzky, B. Širca, S. Slifer, K. Su, T. Tian, Y. Toyama, Y. Trnková, D. Uehara, K. Urciuoli, G. M. Votaw, D. Williamson, J. Wojtsekhowski, B. Wood, S. A. Yale, B. Ye, Z. Zhang, J. Zheng, X.
contents	The electroproduction of $η'$ mesons from a $\mathrm{^{1}H}$ target at $W=2.13~\text{GeV}$, $Q^{2} = 0.46~\left( \text{GeV}/c\right)^{2}$ and $\cos θ^{\text{CM}}_{γ^{*}η'} \approx -1$ has been experimentally measured. The differential cross section of virtual-photoproduction has been obtained as $4.4 \pm 0.8 ~\left( \text{stat.} \right) \pm 0.4 ~\left( \text{sys.} \right)~ \text{nb/sr}$ in the One-Photon-Exchange Approximation. This value is one-sixth of that of real-photoproduction at backward angles. A comparison with newly-developed isobar model calculations not only shows validity of the theoretical framewark employed, but also imposes new constrains on coupling strength between the $η'p$ final state and nucleon resonances.
format	Preprint
id	arxiv_https___arxiv_org_abs_2511_17030
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Backward-angle electroproduction of $η'$ mesons off protons at $W=2.13~\text{GeV}$ and $Q^{2}=0.46~\left(\text{GeV}/c\right)^{2}$ Akiyama, T. Bydžovský, P. Gogami, T. Itabashi, K. Nagao, S. Nakamura, S. N. Okuyama, K. Pandey, B. Skoupil, D. Suzuki, K. N. Tang, L. Abrams, D. Androic, D. Aniol, K. Gayoso, C. Ayerbe Bane, J. Barcus, S. Barrow, J. Bellini, V. Bhatt, H. Bhetuwal, D. Biswas, D. Camsonne, A. Castellanos, J. Chen, J-P. Chen, J. Covrig, S. Chrisman, D. Cruz-Torres, R. Das, R. Fuchey, E. Gnanvo, K. Garibaldi, F. Gautam, T. Gomez, J. Gueye, P. Hague, T. J. Hansen, O. Henry, W. Hauenstein, F. Higinbotham, D. W. Hyde, C. E. Kaneta, M. Keppel, C. Kutz, T. Lashley-Colthirst, N. Li, S. Liu, H. Mammei, J. Markowitz, P. McClellan, R. E. Meddi, F. Meekins, D. Michaels, R. Mihovilovič, M. Moyer, A. Nguyen, D. Nycz, M. Owen, V. Palatchi, C. Park, S. Petkovic, T. Premathilake, S. Reimer, P. E. Reinhold, J. Riordan, S. Rodriguez, V. Samanta, C. Santiesteban, S. N. Sawatzky, B. Širca, S. Slifer, K. Su, T. Tian, Y. Toyama, Y. Trnková, D. Uehara, K. Urciuoli, G. M. Votaw, D. Williamson, J. Wojtsekhowski, B. Wood, S. A. Yale, B. Ye, Z. Zhang, J. Zheng, X. Nuclear Experiment The electroproduction of $η'$ mesons from a $\mathrm{^{1}H}$ target at $W=2.13~\text{GeV}$, $Q^{2} = 0.46~\left( \text{GeV}/c\right)^{2}$ and $\cos θ^{\text{CM}}_{γ^{*}η'} \approx -1$ has been experimentally measured. The differential cross section of virtual-photoproduction has been obtained as $4.4 \pm 0.8 ~\left( \text{stat.} \right) \pm 0.4 ~\left( \text{sys.} \right)~ \text{nb/sr}$ in the One-Photon-Exchange Approximation. This value is one-sixth of that of real-photoproduction at backward angles. A comparison with newly-developed isobar model calculations not only shows validity of the theoretical framewark employed, but also imposes new constrains on coupling strength between the $η'p$ final state and nucleon resonances.
title	Backward-angle electroproduction of $η'$ mesons off protons at $W=2.13~\text{GeV}$ and $Q^{2}=0.46~\left(\text{GeV}/c\right)^{2}$
topic	Nuclear Experiment
url	https://arxiv.org/abs/2511.17030