This paper presents, for the first time, measurements of neutron transparency ratios for nuclei relative to C measured using the (e, e'n) reaction, spanning measured neutron momenta of 1.4 to 2.4 GeV/c. The transparency ratios were extracted in two kinematical regions, corresponding to knockout of mean-field nucleons and to the breakup of Short-Range Correlated nucleon pairs. The extracted neutron transparency ratios are consistent with each other for the two measured kinematical regions and agree with the proton transparencies extracted from new and previous (e, e'p) measurements, including those from neutron-rich nuclei such as lead. The data also agree with and confirm the Glauber approximation that is commonly used to interpret experimental data. The nuclear-mass-dependence of the extracted transparencies scales as A(alpha) with alpha = -0.289 +/- 0.007, which is consistent with nuclear-surface dominance of the reactions. (C) 2019 The Author. Published by Elsevier B.V.

Duer, M., Hen, O., Piasetzky, E., Weinstein, L.b., Schmidt, A., Korover, I., et al. (2019). Measurement of nuclear transparency ratios for protons and neutrons. PHYSICS LETTERS. SECTION B, 797, 134792 [10.1016/j.physletb.2019.07.039].

Measurement of nuclear transparency ratios for protons and neutrons

A. D'Angelo
Membro del Collaboration Group
;
L. Lanza;
2019-01-01

Abstract

This paper presents, for the first time, measurements of neutron transparency ratios for nuclei relative to C measured using the (e, e'n) reaction, spanning measured neutron momenta of 1.4 to 2.4 GeV/c. The transparency ratios were extracted in two kinematical regions, corresponding to knockout of mean-field nucleons and to the breakup of Short-Range Correlated nucleon pairs. The extracted neutron transparency ratios are consistent with each other for the two measured kinematical regions and agree with the proton transparencies extracted from new and previous (e, e'p) measurements, including those from neutron-rich nuclei such as lead. The data also agree with and confirm the Glauber approximation that is commonly used to interpret experimental data. The nuclear-mass-dependence of the extracted transparencies scales as A(alpha) with alpha = -0.289 +/- 0.007, which is consistent with nuclear-surface dominance of the reactions. (C) 2019 The Author. Published by Elsevier B.V.
2019
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore FIS/04 - FISICA NUCLEARE E SUBNUCLEARE
English
Con Impact Factor ISI
CLAS Collaboration
https://www.sciencedirect.com/science/article/pii/S0370269319304964
Duer, M., Hen, O., Piasetzky, E., Weinstein, L.b., Schmidt, A., Korover, I., et al. (2019). Measurement of nuclear transparency ratios for protons and neutrons. PHYSICS LETTERS. SECTION B, 797, 134792 [10.1016/j.physletb.2019.07.039].
Duer, M; Hen, O; Piasetzky, E; Weinstein, Lb; Schmidt, A; Korover, I; Cohen, Eo; Hakobyan, H; Adhikari, S; Angelini, G; Avakian, H; Ayerbe Gayoso, C; Barion, L; Battaglieri, M; Beck, A; Bedlinskiy, I; Biselli, As; Boiarinov, S; Briscoe, Wj; Brooks, W; Burkert, Vd; Cao, F; Carman, Ds; Celentano, A; Chatagnon, P; Chetry, T; Ciullo, G; Cole, Pl; Contalbrigo, M; Cortes, O; Crede, V; Cruz Torres, R; D'Angelo, A; Dashyan, N; De Vita, R; De Sanctis, E; Deur, A; Diehl, S; Djalali, C; Dupre, R; Duran, B; Egiyan, H; Ehrhart, M; El Alaoui, A; El Fassi, L; Eugenio, P; Filippi, A; Forest, Ta; Gilfoyle, Gp; Girod, Fx; Golovatch, E; Gothe, Rw; Griffioen, Ka; Guidal, M; Guo, L; Hafidi, K; Hanretty, C; Harrison, N; Hattawy, M; Hauenstein, F; Hayward, Tb; Heddle, D; Holtrop, M; Ilieva, Y; Ireland, Dg; Ishkhanov, Bs; Isupov, El; Jo, Hs; Johnston, S; Joo, K; Joosten, S; Keller, D; Khachatryan, G; Khachatryan, M; Khanal, A; Khandaker, M; Kim, A; Kim, W; Klein, A; Klein, Fj; Kubarovsky, V; Kuhn, Se; Kuleshov, Sv; Lanza, L; Laskaris, G; Lenisa, P; Livingston, K; Macgregor, Ijd; Marchand, D; Mckinnon, B; Mey-Tal Beck, S; Mineeva, T; Mirazita, M; Mokeev, V; Montgomery, Ra; Movsisyan, A; Munoz Camacho, C; Mustapha, B; Nadel-Turonski, P; Niccolai, S; Niculescu, G; Osipenko, M; Ostrovidov, Ai; Paolone, M; Pappalardo, Ll; Paremuzyan, R; Pasyuk, E; Patsyuk, M; Payette, D; Price, J; Pocanic, D; Pogorelko, O; Prok, Y; Protopopescu, D; Raue, Ba; Ripani, M; Riser, D; Rizzo, A; Rosner, G; Rossi, P; Sabatié, F; Salgado, C; Schmookler, Ba; Schumacher, Ra; Segarra, Ep; Sharabian, Yg; Skorodumina, I; Sokhan, D; Soto, O; Sparveris, N; Stepanyan, S; Strauch, S; Taiuti, M; Tan, Ja; Ungaro, M; Voskanyan, H; Voutier, E; Wang, R; Wei, X; Zachariou, N; Zhang, J; Zhao, Zw; Zheng, X
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/250762
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