arXiv · 2404.16235
Inclusive studies of two- and three-nucleon short-range correlations in $^3$H and $^3$He
Abstract
Inclusive electron scattering at carefully chosen kinematics can isolate scattering from the high-momentum nucleons in short-range correlations (SRCs). SRCs are produced by the hard, short-distance interactions of nucleons in the nucleus, and because the two-nucleon (2N) SRCs arise from the same N-N interaction in all nuclei, the cross section in the SRC-dominated regime is identical up to an overall scaling factor. This scaling behavior has been used to identify SRC dominance and to measure the contribution of SRCs in a wide range of nuclei. We examine this scaling behavior over a range of momentum transfers using new data on $^2$H, $^3$H, and $^3$He, and find an expanded scaling region compared to heavy nuclei. Motivated by this improved scaling, we examine the $^3$H and $^3$He data in kinematics where three-nucleon SRCs may play an important role. The data for the largest struck nucleon momenta are consistent with isolation of scattering from three-nucleon SRCs, and suggest that the very highest momentum nucleons in $^3$He have a nearly isospin-independent momentum configuration.
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S. Li, S. N. Santiesteban, J. Arrington, R. Cruz-Torres, L. Kurbany, D. Abrams, S. Alsalmi, D. Androic, K. Aniol, T. Averett, C. Ayerbe Gayoso, J. Bane, S. Barcus, J. Barrow, A. Beck, V. Bellini, H. Bhatt, D. Bhetuwal, D. Biswas, D. Bulumulla, A. Camsonne, J. Castellanos, J. Chen, J-P. Chen, D. Chrisman, M. E. Christy, C. Clarke, S. Covrig, K. Craycraft, D. Day, D. Dutta, E. Fuchey, C. Gal, F. Garibaldi, T. N. Gautam, T. Gogami, J. Gomez, P. Guéye, A. Habarakada, T. J. Hague, J. O. Hansen, F. Hauenstein, W. Henry, D. W. Higinbotham, R. J. Holt, C. Hyde, K. Itabashi, M. Kaneta, A. Karki, A. T. Katramatou, C. E. Keppel, M. Khachatryan, V. Khachatryan, P. M. King, I. Korover, T. Kutz, N. Lashley-Colthirst, W. B. Li, H. Liu, N. Liyanage, E. Long, J. Mammei, P. Markowitz, R. E. McClellan, F. Meddi, D. Meekins, S. Mey-Tal Beck, R. Michaels, M. Mihovilovič, A. Moyer, S. Nagao, V. Nelyubin, D. Nguyen, M. Nycz, M. Olson, L. Ou, V. Owen, C. Palatchi, B. Pandey, A. Papadopoulou, S. Park, S. Paul, T. Petkovic, R. Pomatsalyuk, S. Premathilake, V. Punjabi, R. D. Ransome, P. E. Reimer, J. Reinhold, S. Riordan, J. Roche, V. M. Rodriguez, A. Schmidt, B. Schmookler, E. P. Segarra, A. Shahinyan, S. Širca, K. Slifer, P. Solvignon, T. Su. 2024-04-24. Inclusive studies of two- and three-nucleon short-range correlations in $^3$H and $^3$He. https://doi.org/10.1016/j.physletb.2025.139734
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