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Title: High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A

Abstract

The experiment E94-107 in Hall A at Jefferson Lab started a systematic study of high resolution hypernuclear spectroscopy in the 0 p-shell region of nuclei such as the hypernuclei produced in electroproduction on 9Be, 12C and 16O targets. In order to increase counting rates and provide unambiguous kaon identification two superconducting septum magnets and a ring-imaging Cherenkov detector were added to the Hall A standard equipment. The high-quality beam, the good spectrometers and the new experimental devices allowed us to obtain very good results. Here, measurable strength with sub-MeV energy resolution was recorded for the core-excited states of $$^{12}_{Λ}$$B. A high-quality$$^{16}_{Λ}N hypernuclear spectrum was likewise obtained. A first measurement of the Λ binding energy for Lambda 16N, calibrated against the elementary reaction on hydrogen, was obtained with high precision, 13.76 ± 0.16 MeV. Similarly, the first$$^{9}_{Λ}Li hypernuclear spectrum shows general agreement with theory (distorted-wave impulse approximation with the SLA and BS3 electroproduction models and shell-model wave functions). Some disagreement exists with respect to the relative strength of the states making up the first multiplet. A Λ separation energy of 8.36 MeV was obtained, in agreement with previous results. It has been observed that the electroproduction of hypernuclei can provide information complementary to that obtained with hadronic probes and the γ-ray spectroscopy technique.

Authors:
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Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Contributing Org.:
Jefferson Lab Hall A Collaboration
OSTI Identifier:
1547043
Alternate Identifier(s):
OSTI ID: 1511891; OSTI ID: 1572390
Report Number(s):
JLAB-PHY-19-2951; arXiv:1807.09720; DOE/OR-23177-4698
Journal ID: ISSN 2469-9985; PRVCAN
Grant/Contract Number:  
AC05-06OR23177; AC02-06CH11357; FG02-99ER41110; AC02-98-CH10886
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 99; Journal Issue: 5; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Garibaldi, F., Acha, A., Ambrozewicz, P., Aniol, K. A., Baturin, P., Benaoum, H., Benesch, J., Bertin, P. Y., Blomqvist, K. I., Boeglin, W. U., Breuer, H., Brindza, P., Bydžovský, P., Camsonne, A., Chang, C. C., Chen, J. -P., Choi, Seonho, Chudakov, E. A., Cisbani, E., Colilli, S., Coman, L., Cusanno, F., Craver, B. J., De Cataldo, G., de Jager, C. W., De Leo, R., Deur, A. P., Ferdi, C., Feuerbach, R. J., Folts, E., Frullani, S., Gayou, O., Giuliani, F., Gomez, J., Gricia, M., Hansen, J. O., Hayes, D., Higinbotham, D. W., Holmstrom, T. K., Hyde, C. E., Ibrahim, H. F., Iodice, M., Jiang, X., Kaufman, L. J., Kino, K., Kross, B., Lagamba, L., LeRose, J. J., Lindgren, R. A., Lucentini, M., Margaziotis, D. J., Markowitz, P., Marrone, S., Meekins, D. G., Meziani, Z. E., McCormick, K., Michaels, R. W., Millener, D. J., Miyoshi, T., Moffit, B., Monaghan, P. A., Moteabbed, M., Muñoz Camacho, C., Nanda, S., Nappi, E., Nelyubin, V. V., Norum, B. E., Okasyasu, Y., Paschke, K. D., Perdrisat, C. F., Piasetzky, E., Punjabi, V. A., Qiang, Y., Raue, B., Reimer, P. E., Reinhold, J., Reitz, B., Roche, R. E., Rodriguez, V. M., Saha, A., Santavenere, F., Sarty, A. J., Segal, J., Shahinyan, A., Singh, J., Širca, S., Snyder, R., Solvignon, P. H., Sotona, M., Subedi, R., Sulkosky, V. A., Suzuki, T., Ueno, H., Ulmer, P. E., Urciuoli, G. M., Voutier, E., Wojtsekhowski, B. B., Zheng, X., and Zorn, C. High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A. United States: N. p., 2019. Web. doi:10.1103/physrevc.99.054309.
Garibaldi, F., Acha, A., Ambrozewicz, P., Aniol, K. A., Baturin, P., Benaoum, H., Benesch, J., Bertin, P. Y., Blomqvist, K. I., Boeglin, W. U., Breuer, H., Brindza, P., Bydžovský, P., Camsonne, A., Chang, C. C., Chen, J. -P., Choi, Seonho, Chudakov, E. A., Cisbani, E., Colilli, S., Coman, L., Cusanno, F., Craver, B. J., De Cataldo, G., de Jager, C. W., De Leo, R., Deur, A. P., Ferdi, C., Feuerbach, R. J., Folts, E., Frullani, S., Gayou, O., Giuliani, F., Gomez, J., Gricia, M., Hansen, J. O., Hayes, D., Higinbotham, D. W., Holmstrom, T. K., Hyde, C. E., Ibrahim, H. F., Iodice, M., Jiang, X., Kaufman, L. J., Kino, K., Kross, B., Lagamba, L., LeRose, J. J., Lindgren, R. A., Lucentini, M., Margaziotis, D. J., Markowitz, P., Marrone, S., Meekins, D. G., Meziani, Z. E., McCormick, K., Michaels, R. W., Millener, D. J., Miyoshi, T., Moffit, B., Monaghan, P. A., Moteabbed, M., Muñoz Camacho, C., Nanda, S., Nappi, E., Nelyubin, V. V., Norum, B. E., Okasyasu, Y., Paschke, K. D., Perdrisat, C. F., Piasetzky, E., Punjabi, V. A., Qiang, Y., Raue, B., Reimer, P. E., Reinhold, J., Reitz, B., Roche, R. E., Rodriguez, V. M., Saha, A., Santavenere, F., Sarty, A. J., Segal, J., Shahinyan, A., Singh, J., Širca, S., Snyder, R., Solvignon, P. H., Sotona, M., Subedi, R., Sulkosky, V. A., Suzuki, T., Ueno, H., Ulmer, P. E., Urciuoli, G. M., Voutier, E., Wojtsekhowski, B. B., Zheng, X., & Zorn, C. High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A. United States. doi:10.1103/physrevc.99.054309.
Garibaldi, F., Acha, A., Ambrozewicz, P., Aniol, K. A., Baturin, P., Benaoum, H., Benesch, J., Bertin, P. Y., Blomqvist, K. I., Boeglin, W. U., Breuer, H., Brindza, P., Bydžovský, P., Camsonne, A., Chang, C. C., Chen, J. -P., Choi, Seonho, Chudakov, E. A., Cisbani, E., Colilli, S., Coman, L., Cusanno, F., Craver, B. J., De Cataldo, G., de Jager, C. W., De Leo, R., Deur, A. P., Ferdi, C., Feuerbach, R. J., Folts, E., Frullani, S., Gayou, O., Giuliani, F., Gomez, J., Gricia, M., Hansen, J. O., Hayes, D., Higinbotham, D. W., Holmstrom, T. K., Hyde, C. E., Ibrahim, H. F., Iodice, M., Jiang, X., Kaufman, L. J., Kino, K., Kross, B., Lagamba, L., LeRose, J. J., Lindgren, R. A., Lucentini, M., Margaziotis, D. J., Markowitz, P., Marrone, S., Meekins, D. G., Meziani, Z. E., McCormick, K., Michaels, R. W., Millener, D. J., Miyoshi, T., Moffit, B., Monaghan, P. A., Moteabbed, M., Muñoz Camacho, C., Nanda, S., Nappi, E., Nelyubin, V. V., Norum, B. E., Okasyasu, Y., Paschke, K. D., Perdrisat, C. F., Piasetzky, E., Punjabi, V. A., Qiang, Y., Raue, B., Reimer, P. E., Reinhold, J., Reitz, B., Roche, R. E., Rodriguez, V. M., Saha, A., Santavenere, F., Sarty, A. J., Segal, J., Shahinyan, A., Singh, J., Širca, S., Snyder, R., Solvignon, P. H., Sotona, M., Subedi, R., Sulkosky, V. A., Suzuki, T., Ueno, H., Ulmer, P. E., Urciuoli, G. M., Voutier, E., Wojtsekhowski, B. B., Zheng, X., and Zorn, C. Fri . "High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A". United States. doi:10.1103/physrevc.99.054309.
@article{osti_1547043,
title = {High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A},
author = {Garibaldi, F. and Acha, A. and Ambrozewicz, P. and Aniol, K. A. and Baturin, P. and Benaoum, H. and Benesch, J. and Bertin, P. Y. and Blomqvist, K. I. and Boeglin, W. U. and Breuer, H. and Brindza, P. and Bydžovský, P. and Camsonne, A. and Chang, C. C. and Chen, J. -P. and Choi, Seonho and Chudakov, E. A. and Cisbani, E. and Colilli, S. and Coman, L. and Cusanno, F. and Craver, B. J. and De Cataldo, G. and de Jager, C. W. and De Leo, R. and Deur, A. P. and Ferdi, C. and Feuerbach, R. J. and Folts, E. and Frullani, S. and Gayou, O. and Giuliani, F. and Gomez, J. and Gricia, M. and Hansen, J. O. and Hayes, D. and Higinbotham, D. W. and Holmstrom, T. K. and Hyde, C. E. and Ibrahim, H. F. and Iodice, M. and Jiang, X. and Kaufman, L. J. and Kino, K. and Kross, B. and Lagamba, L. and LeRose, J. J. and Lindgren, R. A. and Lucentini, M. and Margaziotis, D. J. and Markowitz, P. and Marrone, S. and Meekins, D. G. and Meziani, Z. E. and McCormick, K. and Michaels, R. W. and Millener, D. J. and Miyoshi, T. and Moffit, B. and Monaghan, P. A. and Moteabbed, M. and Muñoz Camacho, C. and Nanda, S. and Nappi, E. and Nelyubin, V. V. and Norum, B. E. and Okasyasu, Y. and Paschke, K. D. and Perdrisat, C. F. and Piasetzky, E. and Punjabi, V. A. and Qiang, Y. and Raue, B. and Reimer, P. E. and Reinhold, J. and Reitz, B. and Roche, R. E. and Rodriguez, V. M. and Saha, A. and Santavenere, F. and Sarty, A. J. and Segal, J. and Shahinyan, A. and Singh, J. and Širca, S. and Snyder, R. and Solvignon, P. H. and Sotona, M. and Subedi, R. and Sulkosky, V. A. and Suzuki, T. and Ueno, H. and Ulmer, P. E. and Urciuoli, G. M. and Voutier, E. and Wojtsekhowski, B. B. and Zheng, X. and Zorn, C.},
abstractNote = {The experiment E94-107 in Hall A at Jefferson Lab started a systematic study of high resolution hypernuclear spectroscopy in the 0p-shell region of nuclei such as the hypernuclei produced in electroproduction on 9Be, 12C and 16O targets. In order to increase counting rates and provide unambiguous kaon identification two superconducting septum magnets and a ring-imaging Cherenkov detector were added to the Hall A standard equipment. The high-quality beam, the good spectrometers and the new experimental devices allowed us to obtain very good results. Here, measurable strength with sub-MeV energy resolution was recorded for the core-excited states of $^{12}_{Λ}$B. A high-quality$^{16}_{Λ}N hypernuclear spectrum was likewise obtained. A first measurement of the Λ binding energy for Lambda 16N, calibrated against the elementary reaction on hydrogen, was obtained with high precision, 13.76 ± 0.16 MeV. Similarly, the first$^{9}_{Λ}Li hypernuclear spectrum shows general agreement with theory (distorted-wave impulse approximation with the SLA and BS3 electroproduction models and shell-model wave functions). Some disagreement exists with respect to the relative strength of the states making up the first multiplet. A Λ separation energy of 8.36 MeV was obtained, in agreement with previous results. It has been observed that the electroproduction of hypernuclei can provide information complementary to that obtained with hadronic probes and the γ-ray spectroscopy technique.},
doi = {10.1103/physrevc.99.054309},
journal = {Physical Review C},
number = 5,
volume = 99,
place = {United States},
year = {2019},
month = {5}
}

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