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Investigation of Medium Modifications to $^{12}$C Structure Functions in the Resonance Region

Fuente: arXiv

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Autori principali:	Alsalmi, S., Albayrak, I., Ahmidouch, A., Arrington, J., Asaturyan, A., Bodek, A., Bosted, P., Bradford, R., Brash, E., Bruell, A., Butuceanu, C, Christy, M. E., Coleman, S. J., Commisso, M., Connell, S. H., Dalton, M. M., Danagoulian, S., Daniel, A., Day, D. B., Dhamija, S., Dunne, J., Dutta, D., Ent, R., Gaskell, D., Gasparian, A., Gran, R., Horn, T., Huang, Liting, Huber, G. M., Jayalath, C., Johnson, M., Jones, M. K., Kalantarians, N., Liyanage, A., Keppel, C. E., Kinney, E., Li, Y., Malace, S., Mamyan, V., Manly, S., Markowitz, P., Maxwell, J., Mbianda, N. N., McFarland, K. S., Meziane, M., Meziani, Z. E., Mills, G. B, Mkrtchyan, H., Mkrtchyan, A., Mulholland, J., Nelson, J. K., Niculescu, G., Niculescu, I., Pentchev, L., Puckett, A., Punjabi, V., Qattan, I. A., Reimer, P. E., Reinhold, J., Rodriguez, V. M, Rondon-Aramayo, O., Sakuda, M., Sakumoto, W. K., Segbefia, E., Seva, T., Sick, I., Slifer, K., Smith, G. R., Steinman, J., Solvignon, P., Tadevosyan, V., Tajima, S., Tvaskis, V., Vulcan, W. F., Walton, T., Wesselmann, F. R, Wood, S. A., Ye, Zhihong
Natura:	Preprint
Pubblicazione:	2025
Soggetti:	Nuclear Experiment
Accesso online:	Acceder al recurso
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_version_	1866929737487613952
author	Alsalmi, S. Albayrak, I. Ahmidouch, A. Arrington, J. Asaturyan, A. Bodek, A. Bosted, P. Bradford, R. Brash, E. Bruell, A. Butuceanu, C Christy, M. E. Coleman, S. J. Commisso, M. Connell, S. H. Dalton, M. M. Danagoulian, S. Daniel, A. Day, D. B. Dhamija, S. Dunne, J. Dutta, D. Ent, R. Gaskell, D. Gasparian, A. Gran, R. Horn, T. Huang, Liting Huber, G. M. Jayalath, C. Johnson, M. Jones, M. K. Kalantarians, N. Liyanage, A. Keppel, C. E. Kinney, E. Li, Y. Malace, S. Mamyan, V. Manly, S. Markowitz, P. Maxwell, J. Mbianda, N. N. McFarland, K. S. Meziane, M. Meziani, Z. E. Mills, G. B Mkrtchyan, H. Mkrtchyan, A. Mulholland, J. Nelson, J. K. Niculescu, G. Niculescu, I. Pentchev, L. Puckett, A. Punjabi, V. Qattan, I. A. Reimer, P. E. Reinhold, J. Rodriguez, V. M Rondon-Aramayo, O. Sakuda, M. Sakumoto, W. K. Segbefia, E. Seva, T. Sick, I. Slifer, K. Smith, G. R. Steinman, J. Solvignon, P. Tadevosyan, V. Tajima, S. Tvaskis, V. Vulcan, W. F. Walton, T. Wesselmann, F. R Wood, S. A. Ye, Zhihong
author_facet	Alsalmi, S. Albayrak, I. Ahmidouch, A. Arrington, J. Asaturyan, A. Bodek, A. Bosted, P. Bradford, R. Brash, E. Bruell, A. Butuceanu, C Christy, M. E. Coleman, S. J. Commisso, M. Connell, S. H. Dalton, M. M. Danagoulian, S. Daniel, A. Day, D. B. Dhamija, S. Dunne, J. Dutta, D. Ent, R. Gaskell, D. Gasparian, A. Gran, R. Horn, T. Huang, Liting Huber, G. M. Jayalath, C. Johnson, M. Jones, M. K. Kalantarians, N. Liyanage, A. Keppel, C. E. Kinney, E. Li, Y. Malace, S. Mamyan, V. Manly, S. Markowitz, P. Maxwell, J. Mbianda, N. N. McFarland, K. S. Meziane, M. Meziani, Z. E. Mills, G. B Mkrtchyan, H. Mkrtchyan, A. Mulholland, J. Nelson, J. K. Niculescu, G. Niculescu, I. Pentchev, L. Puckett, A. Punjabi, V. Qattan, I. A. Reimer, P. E. Reinhold, J. Rodriguez, V. M Rondon-Aramayo, O. Sakuda, M. Sakumoto, W. K. Segbefia, E. Seva, T. Sick, I. Slifer, K. Smith, G. R. Steinman, J. Solvignon, P. Tadevosyan, V. Tajima, S. Tvaskis, V. Vulcan, W. F. Walton, T. Wesselmann, F. R Wood, S. A. Ye, Zhihong
contents	We present results from a high precision experimental study of the nuclear modification of the longitudinal ($F_L$) to transverse ($F_1$) structure function ratio for bound nucleons in the resonance region. The inclusive electron scattering cross sections were measured in Jefferson Lab Experimental Hall C on carbon and deuterium nuclei for a large range of kinematics, allowing for separations of the longitudinal and transverse structure functions to be performed at a range of four-momentum transfer values $0.5 \le Q^2 \le$ 3.75 GeV$^2$. In contrast to the significant body of measurements of the nuclear modification of the $F_2$ structure function in the deep inelastic scattering region, there is very little on $F_L$ and $R = F_L / 2xF_1$ in the region of the nucleon resonances. In this paper we present measurements of the nuclear effect on $R$ for $^{12}$C ($R_C$) relative to deuterium ($R_D$). These results indicate regions in which in $R_C>R_D$, requiring that the nuclear modifications be different in all three structure functions, $F_2$, $F_1$ and $F_L$.
format	Preprint
id	arxiv_https___arxiv_org_abs_2501_13316
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Investigation of Medium Modifications to $^{12}$C Structure Functions in the Resonance Region Alsalmi, S. Albayrak, I. Ahmidouch, A. Arrington, J. Asaturyan, A. Bodek, A. Bosted, P. Bradford, R. Brash, E. Bruell, A. Butuceanu, C Christy, M. E. Coleman, S. J. Commisso, M. Connell, S. H. Dalton, M. M. Danagoulian, S. Daniel, A. Day, D. B. Dhamija, S. Dunne, J. Dutta, D. Ent, R. Gaskell, D. Gasparian, A. Gran, R. Horn, T. Huang, Liting Huber, G. M. Jayalath, C. Johnson, M. Jones, M. K. Kalantarians, N. Liyanage, A. Keppel, C. E. Kinney, E. Li, Y. Malace, S. Mamyan, V. Manly, S. Markowitz, P. Maxwell, J. Mbianda, N. N. McFarland, K. S. Meziane, M. Meziani, Z. E. Mills, G. B Mkrtchyan, H. Mkrtchyan, A. Mulholland, J. Nelson, J. K. Niculescu, G. Niculescu, I. Pentchev, L. Puckett, A. Punjabi, V. Qattan, I. A. Reimer, P. E. Reinhold, J. Rodriguez, V. M Rondon-Aramayo, O. Sakuda, M. Sakumoto, W. K. Segbefia, E. Seva, T. Sick, I. Slifer, K. Smith, G. R. Steinman, J. Solvignon, P. Tadevosyan, V. Tajima, S. Tvaskis, V. Vulcan, W. F. Walton, T. Wesselmann, F. R Wood, S. A. Ye, Zhihong Nuclear Experiment We present results from a high precision experimental study of the nuclear modification of the longitudinal ($F_L$) to transverse ($F_1$) structure function ratio for bound nucleons in the resonance region. The inclusive electron scattering cross sections were measured in Jefferson Lab Experimental Hall C on carbon and deuterium nuclei for a large range of kinematics, allowing for separations of the longitudinal and transverse structure functions to be performed at a range of four-momentum transfer values $0.5 \le Q^2 \le$ 3.75 GeV$^2$. In contrast to the significant body of measurements of the nuclear modification of the $F_2$ structure function in the deep inelastic scattering region, there is very little on $F_L$ and $R = F_L / 2xF_1$ in the region of the nucleon resonances. In this paper we present measurements of the nuclear effect on $R$ for $^{12}$C ($R_C$) relative to deuterium ($R_D$). These results indicate regions in which in $R_C>R_D$, requiring that the nuclear modifications be different in all three structure functions, $F_2$, $F_1$ and $F_L$.
title	Investigation of Medium Modifications to $^{12}$C Structure Functions in the Resonance Region
topic	Nuclear Experiment
url	https://arxiv.org/abs/2501.13316