Search for three-nucleon short-range correlations in light nuclei

Ye, Z; Solvignon, P; Nguyen, D; Aguilera, P; Ahmed, Z; Albataineh, H; Allada, K; Anderson, B; Anez, D; Aniol, K; Annand, J; Arrington, J; Averett, T; Baghdasaryan, H; Bai, X; Beck, A; Beck, S; Bellini, V; Benmokhtar, F; Camsonne, A; Chen, C; Chen, JP; Chirapatpimol, K; Cisbani, E; Dalton, MM; Daniel, A; Day, D; Deconinck, W; Defurne, M; Flay, D; Fomin, N; Friend, M; Frullani, S; Fuchey, E; Garibaldi, F; Gaskell, D; Gilad, S; Gilman, R; Glamazdin, S; Gu, C; Guèye, P; Hanretty, C; Hansen, JO; Shabestari, MH; Higinbotham, DW; Huang, M; Iqbal, S; Jin, G; Kalantarians, N; Kang, H; Kelleher, A; Korover, I; LeRose, J; Leckey, J; Lindgren, R; Long, E; Mammei, J; Margaziotis, DJ; Markowitz, P; Meekins, D; Meziani, Z; Michaels, R; Mihovilovic, M; Muangma, N; Camacho, CM; Norum, B; Nuruzzaman; Pan, K; Phillips, S; Piasetzky, E; Pomerantz, I; Posik, M; Punjabi, V; Qian, X; Qiang, Y; Qiu, X; Reimer, PE; Rakhman, A; Riordan, S; Ron, G; Rondon-Aramayo, O; Saha, A; Selvy, L; Shahinyan, A; Shneor, R; Sirca, S; Slifer, K; Sparveris, N; Subedi, R; Sulkosky, V; Wang, D; Watson, JW; Weinstein, LB; Wojtsekhowski, B; Wood, SA; Yaron, I; Zhan, X; Zhang, J; Zhang, YW; Zhao, B

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Date

2018-06-18

Author

Ye, Z
Solvignon, P
Nguyen, D
Aguilera, P
Ahmed, Z
Albataineh, H
Allada, K
Anderson, B
Anez, D
Aniol, K

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DOI

10.1103/PhysRevC.97.065204

Abstract

© 2018 American Physical Society. We present new data probing short-range correlations (SRCs) in nuclei through the measurement of electron scattering off high-momentum nucleons in nuclei. The inclusive He4/He3 cross section ratio is observed to be both x and Q2 independent for 1.5<x<2, confirming the dominance of two-nucleon short-range correlations. For x>2, our data support the hypothesis that a previous claim of three-nucleon correlation dominance was an artifact caused by the limited resolution of the measurement. While 3N-SRCs appear to have an important contribution, our data show that isolating 3N-SRCs is significantly more complicated than for 2N-SRCs.

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Physical Review C

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