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Title: Center of Mass Motion of Short-Range Correlated Nucleon Pairs studied via the A(e,e'pp) Reaction

Abstract

Short-range correlated (SRC) nucleon pairs are a vital part of the nucleus, accounting for almost all nucleons with momentum greater than the Fermi momentum (k(F)). A fundamental characteristic of SRC pairs is having large relative momenta as compared to k(F), and smaller center of mass (c.m.) which indicates a small separation distance between the nucleons in the pair. Determining the c.m. momentum distribution of SRC pairs is essential for understanding their formation process. We report here on the extraction of the c.m. motion of proton-proton (pp) SRC pairs in carbon and, for the first time in heavier and ansymetric nuclei: aluminum, iron, and lead, from measurements of the A(e,e'pp) reaction. We find that the pair c.m. motion for these nuclei can be described by a three-dimensional Gaussian with a narrow width ranging from 140 to 170 MeV/c, approximately consistent with the sum of two mean-field nucleon momenta. Comparison with calculations appears to show that the SRC pairs are formed from mean-field nucleons in specific quantum states.

Authors:
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Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Mississippi State Univ., Mississippi State, MS (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); Israel Science Foundation; Chilean Comisin Nacional de Investigacin Cient ca y Tecnolgica; French Centre National de la Recherche Scienti que and Commissariat a lEnergie Atomique the French-American Cultural Exchange; Italian Istituto Nazionale di Fisica Nucleare; National Research Foundation of Korea (NRF); UK Science and Technology Facilities Council; Commissariat a l’Energie Atomique (CEA); Israel Science Foundation (ISF); Centre National de la Recherche Scientifique (CNRS); Instituto Nazionale di Fisica Nucleare (INFN); Science and Technologies Facilities Council (STFC-UK)
Contributing Org.:
CLAS Collaboration
OSTI Identifier:
1469110
Alternate Identifier(s):
OSTI ID: 1468863; OSTI ID: 1480440; OSTI ID: 1604089
Report Number(s):
JLAB-PHY-18-2778; DOE/OR/-23177-4512; arXiv:1805.01981
Journal ID: ISSN 0031-9007; PRLTAO
Grant/Contract Number:  
AC05-06OR23177; AC02-06CH11357; FG02-07ER41528
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 121; Journal Issue: 9; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Cohen, E. O., Hen, O., Piasetzky, E., Weinstein, L. B., Duer, M., Schmidt, A., Korover, I., Hakobyan, H., Adhikari, S., Akbar, Z., Amaryan, M. J., Avakian, H., Ball, J., Barion, L., Battaglieri, M., Beck, A., Bedlinskiy, I., Biselli, A. S., Boiarinov, S., Briscoe, W., Burkert, V. D., Cao, F., Carman, D. S., Celentano, A., Charles, G., Chatagnon, Pierre, Chetry, T., Ciullo, G., Clary, Brandon A., Contalbrigo, M., Crede, V., Cruz Torres, R., D’Angelo, A., Dashyan, N., De Vita, R., De Sanctis, E., Defurne, M., Deur, A., Diehl, S., Djalali, C., Duer, M., Dupre, R., Egiyan, H., Ehrhart, Mathieu, El Alaoui, A., Fassi, L. El, Eugenio, P., Fedotov, G., Fersch, R., Filippi, A., Ghandilyan, Y., Giovanetti, K. L., Girod, F. X., Golovatch, E., Gothe, R. W., Griffioen, K. A., Hafidi, K., Harrison, N., Hauenstein, F., Heddle, D., Hicks, K., Holtrop, M., Ireland, D. G., Ishkhanov, B. S., Isupov, E. L., Jenkins, D., Jo, H. S., Johnston, S., Kabir, M. L., Keller, D., Khachatryan, G., Khachatryan, M., Khandaker, M., Kim, A., Kim, W., Klein, A., Klein, F. J., Korover, I., Kubarovsky, V., Kuhn, S. E., Lanza, L., Lenisa, P., Livingston, K., MacGregor, I. J. D., Marchand, D., McKinnon, B., Mey-Tal Beck, S., Meyer, C. A., Mirazita, M., Mokeev, V., Montgomery, R. A., Movsisyan, A., Munoz Camacho, C., Mustapha, B., Nadel-Turonski, P., Niccolai, S., Niculescu, G., Osipenko, M., Ostrovidov, A. I., Paolone, M., Paremuzyan, R., Pasyuk, E., Pogorelko, O., Price, J. W., Prok, Y., Protopopescu, D., Ripani, M., Riser, D., Rizzo, A., Rosner, G., Rossi, P., Sabatié, F., Schmookler, B. A., Schumacher, R. A., Sharabian, Y. G., Sokhan, D., Sparveris, N., Stepanyan, S., Strauch, S., Taiuti, M., Tan, J. A., Ungaro, M., Voskanyan, H., Voutier, E., Wang, R., Watts, D. P., Wei, X., Wood, M. H., Zachariou, N., Zhang, J., Zheng, X., and Zhao, Z. W. Center of Mass Motion of Short-Range Correlated Nucleon Pairs studied via the A(e,e'pp) Reaction. United States: N. p., 2018. Web. doi:10.1103/PhysRevLett.121.092501.
Cohen, E. O., Hen, O., Piasetzky, E., Weinstein, L. B., Duer, M., Schmidt, A., Korover, I., Hakobyan, H., Adhikari, S., Akbar, Z., Amaryan, M. J., Avakian, H., Ball, J., Barion, L., Battaglieri, M., Beck, A., Bedlinskiy, I., Biselli, A. S., Boiarinov, S., Briscoe, W., Burkert, V. D., Cao, F., Carman, D. S., Celentano, A., Charles, G., Chatagnon, Pierre, Chetry, T., Ciullo, G., Clary, Brandon A., Contalbrigo, M., Crede, V., Cruz Torres, R., D’Angelo, A., Dashyan, N., De Vita, R., De Sanctis, E., Defurne, M., Deur, A., Diehl, S., Djalali, C., Duer, M., Dupre, R., Egiyan, H., Ehrhart, Mathieu, El Alaoui, A., Fassi, L. El, Eugenio, P., Fedotov, G., Fersch, R., Filippi, A., Ghandilyan, Y., Giovanetti, K. L., Girod, F. X., Golovatch, E., Gothe, R. W., Griffioen, K. A., Hafidi, K., Harrison, N., Hauenstein, F., Heddle, D., Hicks, K., Holtrop, M., Ireland, D. G., Ishkhanov, B. S., Isupov, E. L., Jenkins, D., Jo, H. S., Johnston, S., Kabir, M. L., Keller, D., Khachatryan, G., Khachatryan, M., Khandaker, M., Kim, A., Kim, W., Klein, A., Klein, F. J., Korover, I., Kubarovsky, V., Kuhn, S. E., Lanza, L., Lenisa, P., Livingston, K., MacGregor, I. J. D., Marchand, D., McKinnon, B., Mey-Tal Beck, S., Meyer, C. A., Mirazita, M., Mokeev, V., Montgomery, R. A., Movsisyan, A., Munoz Camacho, C., Mustapha, B., Nadel-Turonski, P., Niccolai, S., Niculescu, G., Osipenko, M., Ostrovidov, A. I., Paolone, M., Paremuzyan, R., Pasyuk, E., Pogorelko, O., Price, J. W., Prok, Y., Protopopescu, D., Ripani, M., Riser, D., Rizzo, A., Rosner, G., Rossi, P., Sabatié, F., Schmookler, B. A., Schumacher, R. A., Sharabian, Y. G., Sokhan, D., Sparveris, N., Stepanyan, S., Strauch, S., Taiuti, M., Tan, J. A., Ungaro, M., Voskanyan, H., Voutier, E., Wang, R., Watts, D. P., Wei, X., Wood, M. H., Zachariou, N., Zhang, J., Zheng, X., & Zhao, Z. W. Center of Mass Motion of Short-Range Correlated Nucleon Pairs studied via the A(e,e'pp) Reaction. United States. https://doi.org/10.1103/PhysRevLett.121.092501
Cohen, E. O., Hen, O., Piasetzky, E., Weinstein, L. B., Duer, M., Schmidt, A., Korover, I., Hakobyan, H., Adhikari, S., Akbar, Z., Amaryan, M. J., Avakian, H., Ball, J., Barion, L., Battaglieri, M., Beck, A., Bedlinskiy, I., Biselli, A. S., Boiarinov, S., Briscoe, W., Burkert, V. D., Cao, F., Carman, D. S., Celentano, A., Charles, G., Chatagnon, Pierre, Chetry, T., Ciullo, G., Clary, Brandon A., Contalbrigo, M., Crede, V., Cruz Torres, R., D’Angelo, A., Dashyan, N., De Vita, R., De Sanctis, E., Defurne, M., Deur, A., Diehl, S., Djalali, C., Duer, M., Dupre, R., Egiyan, H., Ehrhart, Mathieu, El Alaoui, A., Fassi, L. El, Eugenio, P., Fedotov, G., Fersch, R., Filippi, A., Ghandilyan, Y., Giovanetti, K. L., Girod, F. X., Golovatch, E., Gothe, R. W., Griffioen, K. A., Hafidi, K., Harrison, N., Hauenstein, F., Heddle, D., Hicks, K., Holtrop, M., Ireland, D. G., Ishkhanov, B. S., Isupov, E. L., Jenkins, D., Jo, H. S., Johnston, S., Kabir, M. L., Keller, D., Khachatryan, G., Khachatryan, M., Khandaker, M., Kim, A., Kim, W., Klein, A., Klein, F. J., Korover, I., Kubarovsky, V., Kuhn, S. E., Lanza, L., Lenisa, P., Livingston, K., MacGregor, I. J. D., Marchand, D., McKinnon, B., Mey-Tal Beck, S., Meyer, C. A., Mirazita, M., Mokeev, V., Montgomery, R. A., Movsisyan, A., Munoz Camacho, C., Mustapha, B., Nadel-Turonski, P., Niccolai, S., Niculescu, G., Osipenko, M., Ostrovidov, A. I., Paolone, M., Paremuzyan, R., Pasyuk, E., Pogorelko, O., Price, J. W., Prok, Y., Protopopescu, D., Ripani, M., Riser, D., Rizzo, A., Rosner, G., Rossi, P., Sabatié, F., Schmookler, B. A., Schumacher, R. A., Sharabian, Y. G., Sokhan, D., Sparveris, N., Stepanyan, S., Strauch, S., Taiuti, M., Tan, J. A., Ungaro, M., Voskanyan, H., Voutier, E., Wang, R., Watts, D. P., Wei, X., Wood, M. H., Zachariou, N., Zhang, J., Zheng, X., and Zhao, Z. W. Fri . "Center of Mass Motion of Short-Range Correlated Nucleon Pairs studied via the A(e,e'pp) Reaction". United States. https://doi.org/10.1103/PhysRevLett.121.092501. https://www.osti.gov/servlets/purl/1469110.
@article{osti_1469110,
title = {Center of Mass Motion of Short-Range Correlated Nucleon Pairs studied via the A(e,e'pp) Reaction},
author = {Cohen, E. O. and Hen, O. and Piasetzky, E. and Weinstein, L. B. and Duer, M. and Schmidt, A. and Korover, I. and Hakobyan, H. and Adhikari, S. and Akbar, Z. and Amaryan, M. J. and Avakian, H. and Ball, J. and Barion, L. and Battaglieri, M. and Beck, A. and Bedlinskiy, I. and Biselli, A. S. and Boiarinov, S. and Briscoe, W. and Burkert, V. D. and Cao, F. and Carman, D. S. and Celentano, A. and Charles, G. and Chatagnon, Pierre and Chetry, T. and Ciullo, G. and Clary, Brandon A. and Contalbrigo, M. and Crede, V. and Cruz Torres, R. and D’Angelo, A. and Dashyan, N. and De Vita, R. and De Sanctis, E. and Defurne, M. and Deur, A. and Diehl, S. and Djalali, C. and Duer, M. and Dupre, R. and Egiyan, H. and Ehrhart, Mathieu and El Alaoui, A. and Fassi, L. El and Eugenio, P. and Fedotov, G. and Fersch, R. and Filippi, A. and Ghandilyan, Y. and Giovanetti, K. L. and Girod, F. X. and Golovatch, E. and Gothe, R. W. and Griffioen, K. A. and Hafidi, K. and Harrison, N. and Hauenstein, F. and Heddle, D. and Hicks, K. and Holtrop, M. and Ireland, D. G. and Ishkhanov, B. S. and Isupov, E. L. and Jenkins, D. and Jo, H. S. and Johnston, S. and Kabir, M. L. and Keller, D. and Khachatryan, G. and Khachatryan, M. and Khandaker, M. and Kim, A. and Kim, W. and Klein, A. and Klein, F. J. and Korover, I. and Kubarovsky, V. and Kuhn, S. E. and Lanza, L. and Lenisa, P. and Livingston, K. and MacGregor, I. J. D. and Marchand, D. and McKinnon, B. and Mey-Tal Beck, S. and Meyer, C. A. and Mirazita, M. and Mokeev, V. and Montgomery, R. A. and Movsisyan, A. and Munoz Camacho, C. and Mustapha, B. and Nadel-Turonski, P. and Niccolai, S. and Niculescu, G. and Osipenko, M. and Ostrovidov, A. I. and Paolone, M. and Paremuzyan, R. and Pasyuk, E. and Pogorelko, O. and Price, J. W. and Prok, Y. and Protopopescu, D. and Ripani, M. and Riser, D. and Rizzo, A. and Rosner, G. and Rossi, P. and Sabatié, F. and Schmookler, B. A. and Schumacher, R. A. and Sharabian, Y. G. and Sokhan, D. and Sparveris, N. and Stepanyan, S. and Strauch, S. and Taiuti, M. and Tan, J. A. and Ungaro, M. and Voskanyan, H. and Voutier, E. and Wang, R. and Watts, D. P. and Wei, X. and Wood, M. H. and Zachariou, N. and Zhang, J. and Zheng, X. and Zhao, Z. W.},
abstractNote = {Short-range correlated (SRC) nucleon pairs are a vital part of the nucleus, accounting for almost all nucleons with momentum greater than the Fermi momentum (k(F)). A fundamental characteristic of SRC pairs is having large relative momenta as compared to k(F), and smaller center of mass (c.m.) which indicates a small separation distance between the nucleons in the pair. Determining the c.m. momentum distribution of SRC pairs is essential for understanding their formation process. We report here on the extraction of the c.m. motion of proton-proton (pp) SRC pairs in carbon and, for the first time in heavier and ansymetric nuclei: aluminum, iron, and lead, from measurements of the A(e,e'pp) reaction. We find that the pair c.m. motion for these nuclei can be described by a three-dimensional Gaussian with a narrow width ranging from 140 to 170 MeV/c, approximately consistent with the sum of two mean-field nucleon momenta. Comparison with calculations appears to show that the SRC pairs are formed from mean-field nucleons in specific quantum states.},
doi = {10.1103/PhysRevLett.121.092501},
journal = {Physical Review Letters},
number = 9,
volume = 121,
place = {United States},
year = {Fri Aug 31 00:00:00 EDT 2018},
month = {Fri Aug 31 00:00:00 EDT 2018}
}

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Probing the core of the strong nuclear interaction
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Probing the core of the strong nuclear interaction
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