Document Type
Article
Publication Date
2025
DOI
10.1103/kbhz-h4jv
Publication Title
Physical Review C
Volume
112
Issue
3
Pages
035203
Abstract
We present the first threefold differential measurement for neutral-pion multiplicity ratios produced in semi-inclusive deep-inelastic electron scattering on carbon, iron, and lead nuclei normalized to deuterium from CLAS at Jefferson Lab. We found that the neutral-pion multiplicity ratio is maximally suppressed for the leading hadrons (energy fraction z → 1), suppression varying from 25% in carbon up to 75% in lead. An enhancement of the multiplicity ratio at low z and high pT² is observed, suggesting an interconnection between these two variables. This behavior is qualitatively similar to the previous twofold differential measurement of charged pions by the HERMES Collaboration and, recently, by CLAS Collaboration. The largest enhancement was observed at high pT² for heavier nuclei, namely, iron and lead, while the smallest enhancement was observed for the lightest nucleus, carbon. This behavior suggests a competition between partonic multiple scattering, which causes enhancement, and hadronic inelastic scattering, which causes suppression.
Rights
© 2025 The Authors.
Published under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) License.
Data Availability
Article states: "The data that support the findings of this article are not publicly available. The data are available from the authors upon reasonable request."
Original Publication Citation
Mineeva, T., Brooks, W. K., El Alaoui, A., Hakobyan, H., Joo, K., Lopez, J. A., Soto, O., Achenbach, P., Akbar, Z., Alvarado, J. S., Armstrong, W. R., Arratia, M., Atac, H., Avagyan, H., Ayerbe Gayoso, C., Baashen, L., Barion, L., Bashkanov, M., Bedlinskiy, I.,…Zurek, M. (2025). Suppression of neutral-pion production in deep-inelastic scattering off nuclei with the CLAS detector. Physical Review C, 112(3), Article 035203. https://doi.org/10.1103/kbhz-h4jv
ORCID
0000-0003-2086-2807 (Hattawy), 0000-0002-1265-2212 (Hauenstein), 0000-0003-2243-6836 (Kuhn), 0000-0001-5416-2900 (Weinstein)
Repository Citation
Mineeva, T.; Brooks, W. K.; Alaoui, A. El; Hakobyan, H.; Joo, K.; López, J. A.; Soto, O.; Achenbach, P.; Akbar, Z.; Alvarado, J. S.; Armstrong, W. R.; Arratia, M.; Atac, H.; Avagyan, H.; Ayerbe Gayoso, C.; Baashen, L.; Barion, L.; Bashkanov, M.; Bedlinsky, I.; Benkel, B.; Benmokhtar, F.; Bianconi, A.; Biselli, A. S.; Bossù, F.; Boiarinov, S.; Brinkmann, K. T.; Briscoe, W. J.; Burkert, V. D.; Cao, T.; Capobianco, R.; Carman, D. S.; Carvajal, J. C.; Celentano, A.; Chatagnon, P.; Chesnokov, V.; Chetry, T.; Ciullo, G.; Cole, P. L.; Contalbrigo, M.; Costantini, G.; D'Angelo, A.; Dashyan, N.; De Vita, R.; Defurne, M.; Deur, A.; Diehl, S.; Djalali, C.; Dupre, R.; Egiyan, H.; Fassi, L. El; Eugenio, P.; Fegan, S.; Filippi, A.; Gavalian, G.; Gilfoyle, G. P.; Girod, F. X.; Golubenko, A. A.; Gosta, G.; Gothe, R. W.; Griffioen, K. A.; Guo, L.; Hafidi, K.; Hattawy, M.; Hauenstein, F.; Hayward, T. B.; Heddle, D.; Hobart, A.; Holtrop, M.; Hung, Y. C.; Ilieva, Y.; Ireland, D. G.; Isupov, E. L.; Jo, H. S.; Keller, D.; Khanal, A.; Khandaker, M.; Kim, W.; Klein, F. J.; Klimenko, V.; Kripko, A.; Kubarovsky, V.; Kuhn, S. E.; Lanza, L.; Leali, M.; Lee, S.; Lenisa, P.; Li, X.; MacGregor, I. J. D.; Marchand, D.; Mascagna, V.; McKinnon, B.; Migliorati, S.; Milner, R. G.; Mirazita, M.; Mokeev, V.; Moran, P.; Munoz Camacho, C.; Nadel-Turonski, P.; Neupane, K.; Nguyen, D.; Niccolai, S.; Niculescu, G.; Osipenko, M.; Ostrovidov, A. I.; Ouillon, M.; Pandey, P.; Paolone, M.; Pappalardo, L. L.; Paremuzyan, R.; Pasyuk, E.; Paul, S. J.; Phelps, W.; Pilleux, N.; Pokhrel, M.; Poudel, J.; Price, J. W.; Prok, Y.; Radic, A.; Ramasubramanian, N.; Reed, T.; Richards, J.; Ripani, M.; Ritman, J.; Rosner, G.; Sabatié, F.; Salgado, C.; Schadmand, S.; Schmidt, A.; Schumacher, R. A.; Scott, M.; Shirokov, E. V.; Shrestha, U.; Sokhan, D.; Sparveris, N.; Spreafico, M.; Stepanyan, S.; Strakovsky, I. I.; Strauch, S.; Tan, J. A.; Trotta, N.; Tyson, R.; Ungaro, M.; Vallarino, S.; Venturelli, L.; Voskanyan, H.; Voutier, E.; Watts, D. P.; Wei, X.; Weinstein, L. B.; Williams, R.; Wishart, R.; Wood, M. H.; Yurov, M.; Zachariou, N.; and Zurek, M., "Suppression of Neutral-Pion Production in Deep-Inelastic Scattering Off Nuclei With the CLAS Detector" (2025). Physics Faculty Publications. 994.
https://digitalcommons.odu.edu/physics_fac_pubs/994