Spectroscopic study of a possible $Λnn$ resonance and a pair of $ΣNN$ states using the $(e,e'K^+)$ reaction with a tritium target

Pandey, B.; Tang, L.; Gogami, T.; Suzuki, K. N.; Itabashi, K.; Nagao, S.; Okuyama, K.; Nakamura, S. N.; Abrams, D.; Afnan, I. R.; Akiyama, T.; Androic, D.; Aniol, K.; Averett, T.; Ayerbe Gayoso, C.; Bane, J.; Barcus, S.; Barrow, J.; Bellini, V.; Bhatt, H.; Bhetuwal, D.; Biswas, D.; Camsonne, A.; Castellanos, J.; Chen, J-P; Chen, J.; Covrig, S.; Chrisman, D.; Cruz-Torres, R.; Das, R.; Fuchey, E.; Gal, C.; Gibson, B. F.; Gnanvo, K.; Garibaldi, F.; Gautam, T.; Gomez, J.; Gueye, P.; Hague, T. J.; Hansen, O.; Henry, W.; Hauenstein, F.; Higinbotham, D. W.; Hyde, C.; Kaneta, M.; Keppel, C.; Kutz, T.; Lashley-Colthirst, N.; Li, S.; Liu, H.; Mammei, J.; Markowitz, P.; McClellan, R. E.; Meddi, F.; Meekins, D.; Michaels, R.; Mihovilovič, M.; Moyer, A.; Nguyen, D.; Nycz, M.; Owen, V.; Palatchi, C.; Park, S.; Petkovic, T.; Premathilake, S.; Reimer, P. E.; Reinhold, J.; Riordan, S.; Rodriguez, V.; Samanta, C.; Santiesteban, S. N.; Sawatzky, B.; Širca, S.; Slifer, K.; Su, T.; Tian, Y.; Toyama, Y.; Uehara, K.; Urciuoli, G. M.; Votaw, D.; Williamson, J.; Wojtsekhowski, B.; Wood, S.; Yale, B.; Ye, Z.; Zhang, J.; Zheng, X.

doi:10.1103/physrevc.105.l051001

Title: Spectroscopic study of a possible $Λnn$ resonance and a pair of $ΣNN$ states using the $(e,e'K^+)$ reaction with a tritium target

Abstract

Here, a mass spectroscopy experiment with a pair of nearly identical high resolution spectrometers and a tritium target was performed in Hall A at Jefferson Lab. Utilizing the (e,e'K⁺) reaction, enhancements, which may correspond to a possible $$\Lambda$$nn resonance and a pair of ΣNN states, were observed with an energy resolution of about 1.21 MeV (σ), although greater statistics are needed to make definitive identifications. An experimentally measured Λnn state may provide a unique constraint in determining the Λn interaction, for which no scattering data exist. In addition, although bound A = 3 and 4 Σ hypernuclei have been predicted, only an A = 4 Σ hypernucleus ($$^4_Σ$$He) was found, utilizing the (K^-,π^-) reaction on a ⁴He target. The possible bound ΣNN state is likely a Σ⁰nn state, although this has to be confirmed by future experiments.

Authors:

Pandey, B.;

; Gogami, T.; Suzuki, K. N.; Itabashi, K.; Nagao, S.; Okuyama, K.; Nakamura, S. N.; Abrams, D.; Afnan, I. R.; Akiyama, T.; Androic, D.; Aniol, K.; Averett, T.; Ayerbe Gayoso, C.; Bane, J.; Barcus, S.; Barrow, J.; Bellini, V.; Bhatt, H. more »

Publication Date:: Fri May 20 00:00:00 EDT 2022

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: Kyoto University; USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); Japan Society for the Promotion of Science (JSPS)

Contributing Org.:: Hall A Collaboration

OSTI Identifier:: 1906338

Alternate Identifier(s):: OSTI ID: 1870829; OSTI ID: 1992252

Report Number(s):: JLAB-PHY-22-3620; DOE/OR/23177-5498; LA-UR-21-22767
Journal ID: ISSN 2469-9985; 178377; TRN: US2311704

Grant/Contract Number:: AC02-06CH11357; FG02-97ER41047; AC05-06OR23177; PHY-1714809; 18H05459; 18H05457; 18H01219; 17H01121; 19J22055; 89233218CNA000001

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review. C

Additional Journal Information:: Journal Volume: 105; 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; binding energy; masses; few-body systems; meson; hyperon induced nuclear reactions; nucleon-nucleon interactions; particle interactions; Atomic, Nuclear and Particle Physics

Citation Formats


                    Pandey, B., Tang, L., Gogami, T., Suzuki, K. N., Itabashi, K., Nagao, S., Okuyama, K., Nakamura, S. N., Abrams, D., Afnan, I. R., Akiyama, T., Androic, D., Aniol, K., Averett, T., Ayerbe Gayoso, C., Bane, J., Barcus, S., Barrow, J., Bellini, V., Bhatt, H., Bhetuwal, D., Biswas, D., Camsonne, A., Castellanos, J., Chen, J-P, Chen, J., Covrig, S., Chrisman, D., Cruz-Torres, R., Das, R., Fuchey, E., Gal, C., Gibson, B. F., Gnanvo, K., Garibaldi, F., Gautam, T., Gomez, J., Gueye, P., Hague, T. J., Hansen, O., Henry, W., Hauenstein, F., Higinbotham, D. W., Hyde, C., Kaneta, M., Keppel, C., Kutz, T., Lashley-Colthirst, N., Li, S., Liu, H., Mammei, J., Markowitz, P., McClellan, R. E., Meddi, F., Meekins, D., Michaels, R., Mihovilovič, M., Moyer, A., Nguyen, D., Nycz, M., Owen, V., Palatchi, C., Park, S., Petkovic, T., Premathilake, S., Reimer, P. E., Reinhold, J., Riordan, S., Rodriguez, V., Samanta, C., Santiesteban, S. N., Sawatzky, B., Širca, S., Slifer, K., Su, T., Tian, Y., Toyama, Y., Uehara, K., Urciuoli, G. M., Votaw, D., Williamson, J., Wojtsekhowski, B., Wood, S., Yale, B., Ye, Z., Zhang, J., and Zheng, X. Spectroscopic study of a possible $Λnn$ resonance and a pair of $ΣNN$ states using the $(e,e'K^+)$ reaction with a tritium target.  United States: N. p., 2022. 
Web.  doi:10.1103/physrevc.105.l051001.

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                    Pandey, B., Tang, L., Gogami, T., Suzuki, K. N., Itabashi, K., Nagao, S., Okuyama, K., Nakamura, S. N., Abrams, D., Afnan, I. R., Akiyama, T., Androic, D., Aniol, K., Averett, T., Ayerbe Gayoso, C., Bane, J., Barcus, S., Barrow, J., Bellini, V., Bhatt, H., Bhetuwal, D., Biswas, D., Camsonne, A., Castellanos, J., Chen, J-P, Chen, J., Covrig, S., Chrisman, D., Cruz-Torres, R., Das, R., Fuchey, E., Gal, C., Gibson, B. F., Gnanvo, K., Garibaldi, F., Gautam, T., Gomez, J., Gueye, P., Hague, T. J., Hansen, O., Henry, W., Hauenstein, F., Higinbotham, D. W., Hyde, C., Kaneta, M., Keppel, C., Kutz, T., Lashley-Colthirst, N., Li, S., Liu, H., Mammei, J., Markowitz, P., McClellan, R. E., Meddi, F., Meekins, D., Michaels, R., Mihovilovič, M., Moyer, A., Nguyen, D., Nycz, M., Owen, V., Palatchi, C., Park, S., Petkovic, T., Premathilake, S., Reimer, P. E., Reinhold, J., Riordan, S., Rodriguez, V., Samanta, C., Santiesteban, S. N., Sawatzky, B., Širca, S., Slifer, K., Su, T., Tian, Y., Toyama, Y., Uehara, K., Urciuoli, G. M., Votaw, D., Williamson, J., Wojtsekhowski, B., Wood, S., Yale, B., Ye, Z., Zhang, J., & Zheng, X. Spectroscopic study of a possible $Λnn$ resonance and a pair of $ΣNN$ states using the $(e,e'K^+)$ reaction with a tritium target.  United States.  https://doi.org/10.1103/physrevc.105.l051001

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                    Pandey, B., Tang, L., Gogami, T., Suzuki, K. N., Itabashi, K., Nagao, S., Okuyama, K., Nakamura, S. N., Abrams, D., Afnan, I. R., Akiyama, T., Androic, D., Aniol, K., Averett, T., Ayerbe Gayoso, C., Bane, J., Barcus, S., Barrow, J., Bellini, V., Bhatt, H., Bhetuwal, D., Biswas, D., Camsonne, A., Castellanos, J., Chen, J-P, Chen, J., Covrig, S., Chrisman, D., Cruz-Torres, R., Das, R., Fuchey, E., Gal, C., Gibson, B. F., Gnanvo, K., Garibaldi, F., Gautam, T., Gomez, J., Gueye, P., Hague, T. J., Hansen, O., Henry, W., Hauenstein, F., Higinbotham, D. W., Hyde, C., Kaneta, M., Keppel, C., Kutz, T., Lashley-Colthirst, N., Li, S., Liu, H., Mammei, J., Markowitz, P., McClellan, R. E., Meddi, F., Meekins, D., Michaels, R., Mihovilovič, M., Moyer, A., Nguyen, D., Nycz, M., Owen, V., Palatchi, C., Park, S., Petkovic, T., Premathilake, S., Reimer, P. E., Reinhold, J., Riordan, S., Rodriguez, V., Samanta, C., Santiesteban, S. N., Sawatzky, B., Širca, S., Slifer, K., Su, T., Tian, Y., Toyama, Y., Uehara, K., Urciuoli, G. M., Votaw, D., Williamson, J., Wojtsekhowski, B., Wood, S., Yale, B., Ye, Z., Zhang, J., and Zheng, X. Fri .  
"Spectroscopic study of a possible $Λnn$ resonance and a pair of $ΣNN$ states using the $(e,e'K^+)$ reaction with a tritium target".  United States.  https://doi.org/10.1103/physrevc.105.l051001.  https://www.osti.gov/servlets/purl/1906338.

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@article{osti_1906338,

  title        = {Spectroscopic study of a possible $Λnn$ resonance and a pair of $ΣNN$ states using the $(e,e'K^+)$ reaction with a tritium target},

  author       = {Pandey, B. and Tang, L. and Gogami, T. and Suzuki, K. N. and Itabashi, K. and Nagao, S. and Okuyama, K. and Nakamura, S. N. and Abrams, D. and Afnan, I. R. and Akiyama, T. and Androic, D. and Aniol, K. and Averett, T. and Ayerbe Gayoso, C. and Bane, J. and Barcus, S. and Barrow, J. and Bellini, V. and Bhatt, H. and Bhetuwal, D. and Biswas, D. and Camsonne, A. and Castellanos, J. and Chen, J-P and Chen, J. and Covrig, S. and Chrisman, D. and Cruz-Torres, R. and Das, R. and Fuchey, E. and Gal, C. and Gibson, B. F. and Gnanvo, K. and Garibaldi, F. and Gautam, T. and Gomez, J. and Gueye, P. and Hague, T. J. and Hansen, O. and Henry, W. and Hauenstein, F. and Higinbotham, D. W. and Hyde, C. and Kaneta, M. and Keppel, C. and Kutz, T. and Lashley-Colthirst, N. and Li, S. and Liu, H. and Mammei, J. and Markowitz, P. and McClellan, R. E. and Meddi, F. and Meekins, D. and Michaels, R. and Mihovilovič, M. and Moyer, A. and Nguyen, D. and Nycz, M. and Owen, V. and Palatchi, C. and Park, S. and Petkovic, T. and Premathilake, S. and Reimer, P. E. and Reinhold, J. and Riordan, S. and Rodriguez, V. and Samanta, C. and Santiesteban, S. N. and Sawatzky, B. and Širca, S. and Slifer, K. and Su, T. and Tian, Y. and Toyama, Y. and Uehara, K. and Urciuoli, G. M. and Votaw, D. and Williamson, J. and Wojtsekhowski, B. and Wood, S. and Yale, B. and Ye, Z. and Zhang, J. and Zheng, X.},

  abstractNote = {Here, a mass spectroscopy experiment with a pair of nearly identical high resolution spectrometers and a tritium target was performed in Hall A at Jefferson Lab. Utilizing the (e,e'K+) reaction, enhancements, which may correspond to a possible $\Lambda$nn resonance and a pair of ΣNN states, were observed with an energy resolution of about 1.21 MeV (σ), although greater statistics are needed to make definitive identifications. An experimentally measured Λnn state may provide a unique constraint in determining the Λn interaction, for which no scattering data exist. In addition, although bound A = 3 and 4 Σ hypernuclei have been predicted, only an A = 4 Σ hypernucleus ($^4_Σ$He) was found, utilizing the (K-,π-) reaction on a 4He target. The possible bound ΣNN state is likely a Σ0nn state, although this has to be confirmed by future experiments.},

  doi          = {10.1103/physrevc.105.l051001},

  journal      = {Physical Review. C},

  number       = 5,

  volume       = 105,

  place        = {United States},

  year         = {Fri May 20 00:00:00 EDT 2022},

  month        = {Fri May 20 00:00:00 EDT 2022}

}

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Title: Spectroscopic study of a possible $Λnn$ resonance and a pair of $ΣNN$ states using the $(e,e'K^+)$ reaction with a tritium target

Abstract

Citation Formats

Observation of H Λ 4 Hyperhydrogen by Decay-Pion Spectroscopy in Electron Scattering journal, June 2015

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Observation of a Σ 4 He Bound State in the H 4 e ( K − , π − ) Reaction at 6 0 0 M e V / c journal, February 1998

Can a $$\varLambda nn$$ Λ n n Resonance Constrain the $$\varLambda n$$ Λ n Amplitude? journal, July 2019

Density changes in low pressure gas targets for electron scattering experiments journal, October 2019

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Σ NN quasibound states in He 3 ( K − , π ∓ ) reactions at 600 MeV/ c journal, May 2014

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Observation of Spin-Dependent Charge Symmetry Breaking in Λ N Interaction: Gamma-Ray Spectroscopy of He Λ 4 journal, November 2015

Search for evidence of Λ 3 n by observing d + π − and t + π − final states in the reaction of 6 Li+ 12 C at 2 A GeV journal, October 2013

Status of understanding the YN/YY-interactions Meson-exchange viewpoint journal, April 2010

Ground-state binding energy of H Λ 4 from high-resolution decay-pion spectroscopy journal, October 2016

Resonances in the Λ n n system journal, November 2015

Realistic Effective YN Interactions in Hypernuclear Models journal, March 2012

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Three-body structure of the n n Λ system with Λ N − Σ N coupling journal, June 2014

Is there a bound n Λ 3 ? journal, September 2014

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journal, May 2014

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journal, April 2004

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journal, December 2021

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journal, February 1998

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