DOE OSTI · 3347393
Dihadron azimuthal correlations in deep-inelastic scattering off nuclear targets
Abstract
We measured the nuclear dependence of the di-pion azimuthal correlation function in deepinelastic scattering (DIS) using the CEBAF Large Acceptance Spectrometer (CLAS) and a 5 GeV electron beam. As the nuclear-target size increases, transitioning from deuterium to carbon, iron, and lead, the correlation function broadens monotonically. Its shape exhibits a significant dependence on kinematics, including the transverse momentum of the pions and the difference in their rapidity. None of the various Monte-Carlo event generators we evaluated could fully replicate the observed correlation functions and nuclear effects throughout the entire phase space. As the first study of its kind in DIS experiments, this research provides an important baseline for enhancing our understanding of the interplay between the nuclear medium and the hadronization process in these reactions.
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Paul, S. J. [University of California Riverside], Morán, S. [University of California Riverside], Arratia, M. [University of California Riverside] (ORCID:0000000168773315), Brooks, W. K. [Universidad Técnica Federico Santa María; Thomas Jefferson National Accelerator Facility], Hakobyan, H. [Universidad Técnica Federico Santa María], Alaoui, A. El [Universidad Técnica Federico Santa María], Achenbach, P. [Thomas Jefferson National Accelerator Facility], Alvarado, J. S. [Université Paris-Saclay], Armstrong, W. R. [Argonne National Laboratory], Atac, H. [Temple University], Avakian, H. [Thomas Jefferson National Accelerator Facility], Baashen, L. [Florida International University], Baltzell, N. A. [Thomas Jefferson National Accelerator Facility], Barion, L. [INFN], Bashkanov, M. [University of York], Battaglieri, M. [INFN], Benkel, B. [INFN], Benmokhtar, F. [Duquesne University], Bianconi, A. [Università degli Studi di Brescia; INFN], Biselli, A. S. [Fairfield University; Carnegie Mellon University], Bondí, M. [INFN], Booth, W. A. [University of York], Bossù, F. [IRFU], Boiarinov, S. [Thomas Jefferson National Accelerator Facility], Brinkmann, K.-Th. [II Physikalisches Institut der Universitaet Giessen], Briscoe, W. J. [The George Washington University], Bueltmann, S. [Old Dominion University], Burkert, V. D. [Thomas Jefferson National Accelerator Facility], Cao, T. [Thomas Jefferson National Accelerator Facility], Capobianco, R. [University of Connecticut], Carman, D. S. [Thomas Jefferson National Accelerator Facility], Chatagnon, P. [Thomas Jefferson National Accelerator Facility], Ciullo, G. [INFN; Università di Ferrara], Cole, P. L. [Lamar University; Catholic University of America; Thomas Jefferson National Accelerator Facility], Contalbrigo, M. [INFN], D'Angelo, A. [INFN; Università di Roma Tor Vergata], Dashyan, N. [Yerevan Physics Institute], De Vita, R. [INFN], Deur, A. [Thomas Jefferson National Accelerator Facility], Diehl, S. [II Physikalisches Institut der Universitaet Giessen; University of Connecticut], Dilks, C. [Thomas Jefferson National Accelerator Facility], Djalali, C. [Ohio University; University of South Carolina], Dupre, R. [Université Paris-Saclay], Fassi, L. El [Mississippi State University], Elouadrhiri, L. [Thomas Jefferson National Accelerator Facility], Eugenio, P. [Florida State University], Filippi, A. [INFN], Fogler, C. [Old Dominion University], Gavalian, G. [Thomas Jefferson National Accelerator Facility; University of New Hampshire], Gilfoyle, G. P. [University of Richmond], Glazier, D. I. [University of Glasgow], Golubenko, A. A. [Skobeltsyn Institute of Nuclear Physics], Gothe, R. W. [University of South Carolina], Guidal, M. [Université Paris-Saclay], Hafidi, K. [Argonne National Laboratory], Hattawy, M. [Old Dominion University], Hauenstein, F. [Thomas Jefferson National Accelerator Facility], Heddle, D. [Christopher Newport University], Hobart, A. [Université Paris-Saclay], Holtrop, M. [University of New Hampshire], Ilieva, Y. [University of South Carolina; The George Washington University], Ireland, D. G. [University of Glasgow], Isupov, E. L. [Skobeltsyn Institute of Nuclear Physics], Jenkins, D. [Virginia Tech], Jiang, H. [University of Glasgow], Jo, H. S. [Kyungpook National University], Joo, K. [University of Connecticut], Kageya, T. [Thomas Jefferson National Accelerator Facility], Khandaker, M. [Norfolk State University], Kim, A. [University of Connecticut], Kim, W. [Kyungpook National University], Klimenko, V. [University of Connecticut], Kubarovsky, V. [Thomas Jefferson National Accelerator Facility; Rensselaer Polytechnic Institute], Kuhn, S. E. [Old Dominion University], Lanza, L. [INFN; Università di Roma Tor Vergata], Lenisa, P. [INFN; Università di Ferrara], Livingston, K. [University of Glasgow], MacGregor, I. J. D. [University of Glasgow], Marchand, D. [Université Paris-Saclay], Mascagna, V. [Università degli Studi di Brescia; INFN], Matamoros, D. [Université Paris-Saclay], McKinnon, B. [University of Glasgow], Migliorati, S. [Università degli Studi di Brescia; INFN], Mineeva, T. [Universidad Técnica Federico Santa María], Mirazita, M. [INFN], Mokeev, V. [Thomas Jefferson National Accelerator Facility; Skobeltsyn Institute of Nuclear Physics], Camacho, C. Munoz [Université Paris-Saclay], Nadel-Turonski, P. [Thomas Jefferson National Accelerator Facility], Neupane, K. [University of South Carolina], Niccolai, S. [Université Paris-Saclay], Niculescu, G. [James Madison University], Osipenko, M. [INFN], Ostrovidov, A. I. [Florida State University], Paolone, M. [New Mexico State University], Pappalardo, L. L. [INFN; Università di Ferrara], Paremuzyan, R. [Thomas Jefferson National Accelerator Facility], Pasyuk, E. [Thomas Jefferson National Accelerator Facility; Arizona State University], Phelps, W. [Christopher Newport University], Pilleux, N. [Université Paris-Saclay], Pokhrel, M. [Old Dominion University]. 2025-03-05. Dihadron azimuthal correlations in deep-inelastic scattering off nuclear targets. https://doi.org/10.1103/physrevc.111.035201
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