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Studying the Strangeness $D$-Term in Hall C via Exclusive $ϕ$ Electroproduction

Fuente: arXiv

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Auteurs principaux:	Klest, H. T., Joosten, S., Szumila-Vance, H., Armstrong, W., Flor, F. A., Kim, B., Kim, M. H., Klimenko, V., Lee, S., Meziani, Z. -E., Peng, C., Pilleux, N., Reimer, P. E., Xie, J., Xu, Z., Żurek, M., Hoghmrtsyan, A., Mkrtchyan, A., Mkrtchyan, H., Tadevosyan, V., Hatta, Y., Markowitz, P., Niculescu, G., Niculescu, I., Camsonne, A., Chen, J. -P., Dusa, S. Covrig, Dehmelt, K., Gaskell, D., Hansen, J. -O., Higinbotham, D. W., Mack, D., McCaughan, M., Tadepelli, A., Gayoso, C. Ayerbe, Hyde, C. E., Ploen, C., Atac, H., Ifat, N., Shrestha, S., Sparveris, N., Bhatt, H., Li, W., Yin, Z., Paolone, M., Paudel, C., Heinrich, N., Huber, G., Junaid, M., Kumar, V., Postuma, A., Usman, A., Elaasar, M., Datta, J., Biswas, D., Boer, M., Tezgin, K., Kay, S., Androić, D.
Format:	Preprint
Publié:	2025
Sujets:	Nuclear Experiment High Energy Physics - Experiment High Energy Physics - Phenomenology
Accès en ligne:	Acceder al recurso
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_version_	1866909965732544512
author	Klest, H. T. Joosten, S. Szumila-Vance, H. Armstrong, W. Flor, F. A. Kim, B. Kim, M. H. Klimenko, V. Lee, S. Meziani, Z. -E. Peng, C. Pilleux, N. Reimer, P. E. Xie, J. Xu, Z. Żurek, M. Hoghmrtsyan, A. Mkrtchyan, A. Mkrtchyan, H. Tadevosyan, V. Hatta, Y. Markowitz, P. Niculescu, G. Niculescu, I. Camsonne, A. Chen, J. -P. Dusa, S. Covrig Dehmelt, K. Gaskell, D. Hansen, J. -O. Higinbotham, D. W. Mack, D. McCaughan, M. Tadepelli, A. Gayoso, C. Ayerbe Hyde, C. E. Ploen, C. Atac, H. Ifat, N. Shrestha, S. Sparveris, N. Bhatt, H. Li, W. Yin, Z. Paolone, M. Paudel, C. Heinrich, N. Huber, G. Junaid, M. Kumar, V. Postuma, A. Usman, A. Elaasar, M. Datta, J. Biswas, D. Boer, M. Tezgin, K. Kay, S. Androić, D.
author_facet	Klest, H. T. Joosten, S. Szumila-Vance, H. Armstrong, W. Flor, F. A. Kim, B. Kim, M. H. Klimenko, V. Lee, S. Meziani, Z. -E. Peng, C. Pilleux, N. Reimer, P. E. Xie, J. Xu, Z. Żurek, M. Hoghmrtsyan, A. Mkrtchyan, A. Mkrtchyan, H. Tadevosyan, V. Hatta, Y. Markowitz, P. Niculescu, G. Niculescu, I. Camsonne, A. Chen, J. -P. Dusa, S. Covrig Dehmelt, K. Gaskell, D. Hansen, J. -O. Higinbotham, D. W. Mack, D. McCaughan, M. Tadepelli, A. Gayoso, C. Ayerbe Hyde, C. E. Ploen, C. Atac, H. Ifat, N. Shrestha, S. Sparveris, N. Bhatt, H. Li, W. Yin, Z. Paolone, M. Paudel, C. Heinrich, N. Huber, G. Junaid, M. Kumar, V. Postuma, A. Usman, A. Elaasar, M. Datta, J. Biswas, D. Boer, M. Tezgin, K. Kay, S. Androić, D.
contents	We propose a measurement of exclusive electroproduction of $ϕ$ mesons near threshold in Hall C. We will measure the \|t\|-dependence of the exclusive $ϕ$ electroproduction cross section, which has recently been proposed as an observable sensitive to the strangeness $D$-term. The contribution of strangeness to the total $D$-term is presently unknown, with different arguments favoring $D_s$ being large, being small, or even having opposite sign from the total $D$-term. Our exploratory measurement is designed to distinguish between these hypotheses. If $D_s$ turns out to be small, $ϕ$ electroproduction can be used to study the gluon $D$-term. In addition, this dataset will allow us to perform measurements of other exclusive meson final states, including the first measurement of $η'$ electroproduction and multi-differential measurements of $η$ and $ω$ electroproduction.
format	Preprint
id	arxiv_https___arxiv_org_abs_2501_01582
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Studying the Strangeness $D$-Term in Hall C via Exclusive $ϕ$ Electroproduction Klest, H. T. Joosten, S. Szumila-Vance, H. Armstrong, W. Flor, F. A. Kim, B. Kim, M. H. Klimenko, V. Lee, S. Meziani, Z. -E. Peng, C. Pilleux, N. Reimer, P. E. Xie, J. Xu, Z. Żurek, M. Hoghmrtsyan, A. Mkrtchyan, A. Mkrtchyan, H. Tadevosyan, V. Hatta, Y. Markowitz, P. Niculescu, G. Niculescu, I. Camsonne, A. Chen, J. -P. Dusa, S. Covrig Dehmelt, K. Gaskell, D. Hansen, J. -O. Higinbotham, D. W. Mack, D. McCaughan, M. Tadepelli, A. Gayoso, C. Ayerbe Hyde, C. E. Ploen, C. Atac, H. Ifat, N. Shrestha, S. Sparveris, N. Bhatt, H. Li, W. Yin, Z. Paolone, M. Paudel, C. Heinrich, N. Huber, G. Junaid, M. Kumar, V. Postuma, A. Usman, A. Elaasar, M. Datta, J. Biswas, D. Boer, M. Tezgin, K. Kay, S. Androić, D. Nuclear Experiment High Energy Physics - Experiment High Energy Physics - Phenomenology We propose a measurement of exclusive electroproduction of $ϕ$ mesons near threshold in Hall C. We will measure the \|t\|-dependence of the exclusive $ϕ$ electroproduction cross section, which has recently been proposed as an observable sensitive to the strangeness $D$-term. The contribution of strangeness to the total $D$-term is presently unknown, with different arguments favoring $D_s$ being large, being small, or even having opposite sign from the total $D$-term. Our exploratory measurement is designed to distinguish between these hypotheses. If $D_s$ turns out to be small, $ϕ$ electroproduction can be used to study the gluon $D$-term. In addition, this dataset will allow us to perform measurements of other exclusive meson final states, including the first measurement of $η'$ electroproduction and multi-differential measurements of $η$ and $ω$ electroproduction.
title	Studying the Strangeness $D$-Term in Hall C via Exclusive $ϕ$ Electroproduction
topic	Nuclear Experiment High Energy Physics - Experiment High Energy Physics - Phenomenology
url	https://arxiv.org/abs/2501.01582