Improved Λ p Elastic Scattering Cross Sections between 0.9 and 2.0     GeV / c as a Main Ingredient of the Neutron Star Equation of State

Rowley, J.; Compton, N.; Djalali, C.; Hicks, K.; Price, J.; Zachariou, N.; Adhikari, K. P.; Armstrong, W. R.; Atac, H.; Baashen, L.; Barion, L.; Bashkanov, M.; Battaglieri, M.; Bedlinskiy, I.; Benmokhtar, F.; Bianconi, A.; Biondo, L.; Biselli, A. S.; Bondi, M.; Bossù, F.; Boiarinov, S.; Briscoe, W. J.; Brooks, W. K.; Bulumulla, D.; Burkert, V. D.; Carman, D. S.; Carvajal, J. C.; Celentano, A.; Chatagnon, P.; Chesnokov, V.; Chetry, T.; Ciullo, G.; Clark, L.; Cole, P. L.; Contalbrigo, M.; Costantini, G.; Crede, V.; D’Angelo, A.; Dashyan, N.; De Vita, R.; Defurne, M.; Deur, A.; Diehl, S.; Dupré, R.; Egiyan, H.; Ehrhart, M.; El Alaoui, A.; El Fassi, L.; Eugenio, P.; Fedotov, G.; Fegan, S.; Fersch, R.; Filippi, A.; Fradi, A.; Gavalian, G.; Girod, F. X.; Glazier, D. I.; Golubenko, A.; Gothe, R. W.; Griffioen, K.; Guo, L.; Hafidi, K.; Hakobyan, H.; Hattawy, M.; Hayward, T. B.; Heddle, D.; Hobart, A.; Holtrop, M.; Ilieva, Y.; Ireland, D. G.; Isupov, E. L.; Jenkins, D.; Jo, H. S.; Joo, K.; Keller, D.; Khanal, A.; Khandaker, M.; Kim, A.; Korover, I.; Kripko, A.; Kubarovsky, V.; Kuhn, S. E.; Lanza, L.; Leali, M.; Lenisa, P.; Livingston, K.; MacGregor, I. J. D.; Marchand, D.; Markov, N.; Marsicano, L.; Mascagna, V.; McCracken, M. E.; McKinnon, B.; McLauchlin, C.; Meziani, Z. E.; Migliorati, S.; Mineeva, T.; Mirazita, M.; Mokeev, V.; Munevar, E.; Munoz Camacho, C.; Nadel-Turonski, P.; Neupane, K.; Niccolai, S.; Niculescu, G.; O’Connell, T. R.; Osipenko, M.; Ostrovidov, A. I.; Pandey, P.; Paolone, M.; Pappalardo, L. L.; Pasyuk, E.; Pogorelko, O.; Prok, Y.; Reed, T.; Ripani, M.; Ritman, J.; Rizzo, A.; Rosner, G.; Sabatie, F.; Salgado, C.; Schmidt, A.; Schumacher, R. A.; Sharabian, Y. G.; Shrestha, U.; Sokhan, D.; Soto, O.; Sparveris, N.; Strakovsky, I. I.; Strauch, S.; Tyson, R.; Ungaro, M.; Venturelli, L.; Voskanyan, H.; Vossen, A.; Voutier, E.; Watts, D. P.; Wei, K.; Wei, X.; Wishart, R.; Wood, M. H.; Yale, B.; Yurov, M.; Zhang, J.; Zhao, Z. W.

doi:10.1103/PhysRevLett.127.272303

Title: Improved $Λ p$ Elastic Scattering Cross Sections between 0.9 and $2.0 GeV / c$ as a Main Ingredient of the Neutron Star Equation of State

Abstract

Strange matter is believed to exist in the cores of neutron stars based on simple kinematics. If this is true, then hyperon-nucleon interactions will play a significant part in the neutron star equation of state. Yet, compared to other elastic scattering processes, there is very little data on Λ-N scattering. This experiment utilized the CEBAF Large Acceptance Spectrometer (CLAS) detector to study the Λp → Λp elastic scattering cross section in the incident Λ momentum range 0.9–2.0 GeV/c. These are the first data on this reaction since the 1970s. The new cross sections have significantly better accuracy and precision than the existing world data, and the techniques developed here can also be used in future experiments.

Authors:: Rowley, J.; Compton, N.; Djalali, C.; Hicks, K.; Price, J.; Zachariou, N.; Adhikari, K. P.; Armstrong, W. R.; Atac, H.; Baashen, L.; Barion, L.; Bashkanov, M.; Battaglieri, M.; Bedlinskiy, I.; Benmokhtar, F.; Bianconi, A.; Biondo, L.; Biselli, A. S.; Bondi, M.; Bossù, F. more »« less

Publication Date:: Thu Dec 30 00:00:00 EST 2021

Research Org.:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Argonne National Lab. (ANL), Argonne, IL (United States); Mississippi State Univ., Mississippi State, MS (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP); Chilean Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT); Centre National de la Recherche Scientifique (CNRS); Commissariat a l’Energie Atomique (CEA); National Research Foundation of Korea (NRF); National Science Foundation (NSF); Instituto Nazionale di Fisica Nucleare (INFN); Science and Technologies Facilities Council (STFC-UK); Scottish Universities Physics Alliance (SUPA)

Contributing Org.:: CLAS Collaboration; Clas Collaboration

OSTI Identifier:: 1837784

Alternate Identifier(s):: OSTI ID: 1837943; OSTI ID: 1882386; OSTI ID: 1895035

Report Number(s):: JLAB-PHY-21-3474; DOE-OR-23177-5290; arXiv:2108.03134
Journal ID: ISSN 0031-9007; PRLTAO; 272303

Grant/Contract Number:: AC05-06OR23177; AC02-06CH11357; FG02-07ER41528

Resource Type:: Published Article

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Name: Physical Review Letters Journal Volume: 127 Journal Issue: 27; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; secondary beams; hyperons; spectroscopy

Citation Formats


                    Rowley, J., Compton, N., Djalali, C., Hicks, K., Price, J., Zachariou, N., Adhikari, K. P., Armstrong, W. R., Atac, H., Baashen, L., Barion, L., Bashkanov, M., Battaglieri, M., Bedlinskiy, I., Benmokhtar, F., Bianconi, A., Biondo, L., Biselli, A. S., Bondi, M., Bossù, F., Boiarinov, S., Briscoe, W. J., Brooks, W. K., Bulumulla, D., Burkert, V. D., Carman, D. S., Carvajal, J. C., Celentano, A., Chatagnon, P., Chesnokov, V., Chetry, T., Ciullo, G., Clark, L., Cole, P. L., Contalbrigo, M., Costantini, G., Crede, V., D’Angelo, A., Dashyan, N., De Vita, R., Defurne, M., Deur, A., Diehl, S., Dupré, R., Egiyan, H., Ehrhart, M., El Alaoui, A., El Fassi, L., Eugenio, P., Fedotov, G., Fegan, S., Fersch, R., Filippi, A., Fradi, A., Gavalian, G., Girod, F. X., Glazier, D. I., Golubenko, A., Gothe, R. W., Griffioen, K., Guo, L., Hafidi, K., Hakobyan, H., Hattawy, M., Hayward, T. B., Heddle, D., Hobart, A., Holtrop, M., Ilieva, Y., Ireland, D. G., Isupov, E. L., Jenkins, D., Jo, H. S., Joo, K., Keller, D., Khanal, A., Khandaker, M., Kim, A., Korover, I., Kripko, A., Kubarovsky, V., Kuhn, S. E., Lanza, L., Leali, M., Lenisa, P., Livingston, K., MacGregor, I. J. D., Marchand, D., Markov, N., Marsicano, L., Mascagna, V., McCracken, M. E., McKinnon, B., McLauchlin, C., Meziani, Z. E., Migliorati, S., Mineeva, T., Mirazita, M., Mokeev, V., Munevar, E., Munoz Camacho, C., Nadel-Turonski, P., Neupane, K., Niccolai, S., Niculescu, G., O’Connell, T. R., Osipenko, M., Ostrovidov, A. I., Pandey, P., Paolone, M., Pappalardo, L. L., Pasyuk, E., Pogorelko, O., Prok, Y., Reed, T., Ripani, M., Ritman, J., Rizzo, A., Rosner, G., Sabatie, F., Salgado, C., Schmidt, A., Schumacher, R. A., Sharabian, Y. G., Shrestha, U., Sokhan, D., Soto, O., Sparveris, N., Strakovsky, I. I., Strauch, S., Tyson, R., Ungaro, M., Venturelli, L., Voskanyan, H., Vossen, A., Voutier, E., Watts, D. P., Wei, K., Wei, X., Wishart, R., Wood, M. H., Yale, B., Yurov, M., Zhang, J., Zhao, Z. W., and CLAS Collaboration. Improved Λ p Elastic Scattering Cross Sections between 0.9 and 2.0     GeV / c as a Main Ingredient of the Neutron Star Equation of State.  United States: N. p., 2021. 
Web.  doi:10.1103/PhysRevLett.127.272303.

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                    Rowley, J., Compton, N., Djalali, C., Hicks, K., Price, J., Zachariou, N., Adhikari, K. P., Armstrong, W. R., Atac, H., Baashen, L., Barion, L., Bashkanov, M., Battaglieri, M., Bedlinskiy, I., Benmokhtar, F., Bianconi, A., Biondo, L., Biselli, A. S., Bondi, M., Bossù, F., Boiarinov, S., Briscoe, W. J., Brooks, W. K., Bulumulla, D., Burkert, V. D., Carman, D. S., Carvajal, J. C., Celentano, A., Chatagnon, P., Chesnokov, V., Chetry, T., Ciullo, G., Clark, L., Cole, P. L., Contalbrigo, M., Costantini, G., Crede, V., D’Angelo, A., Dashyan, N., De Vita, R., Defurne, M., Deur, A., Diehl, S., Dupré, R., Egiyan, H., Ehrhart, M., El Alaoui, A., El Fassi, L., Eugenio, P., Fedotov, G., Fegan, S., Fersch, R., Filippi, A., Fradi, A., Gavalian, G., Girod, F. X., Glazier, D. I., Golubenko, A., Gothe, R. W., Griffioen, K., Guo, L., Hafidi, K., Hakobyan, H., Hattawy, M., Hayward, T. B., Heddle, D., Hobart, A., Holtrop, M., Ilieva, Y., Ireland, D. G., Isupov, E. L., Jenkins, D., Jo, H. S., Joo, K., Keller, D., Khanal, A., Khandaker, M., Kim, A., Korover, I., Kripko, A., Kubarovsky, V., Kuhn, S. E., Lanza, L., Leali, M., Lenisa, P., Livingston, K., MacGregor, I. J. D., Marchand, D., Markov, N., Marsicano, L., Mascagna, V., McCracken, M. E., McKinnon, B., McLauchlin, C., Meziani, Z. E., Migliorati, S., Mineeva, T., Mirazita, M., Mokeev, V., Munevar, E., Munoz Camacho, C., Nadel-Turonski, P., Neupane, K., Niccolai, S., Niculescu, G., O’Connell, T. R., Osipenko, M., Ostrovidov, A. I., Pandey, P., Paolone, M., Pappalardo, L. L., Pasyuk, E., Pogorelko, O., Prok, Y., Reed, T., Ripani, M., Ritman, J., Rizzo, A., Rosner, G., Sabatie, F., Salgado, C., Schmidt, A., Schumacher, R. A., Sharabian, Y. G., Shrestha, U., Sokhan, D., Soto, O., Sparveris, N., Strakovsky, I. I., Strauch, S., Tyson, R., Ungaro, M., Venturelli, L., Voskanyan, H., Vossen, A., Voutier, E., Watts, D. P., Wei, K., Wei, X., Wishart, R., Wood, M. H., Yale, B., Yurov, M., Zhang, J., Zhao, Z. W., & CLAS Collaboration. Improved Λ p Elastic Scattering Cross Sections between 0.9 and 2.0     GeV / c as a Main Ingredient of the Neutron Star Equation of State.  United States.  https://doi.org/10.1103/PhysRevLett.127.272303

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                    Rowley, J., Compton, N., Djalali, C., Hicks, K., Price, J., Zachariou, N., Adhikari, K. P., Armstrong, W. R., Atac, H., Baashen, L., Barion, L., Bashkanov, M., Battaglieri, M., Bedlinskiy, I., Benmokhtar, F., Bianconi, A., Biondo, L., Biselli, A. S., Bondi, M., Bossù, F., Boiarinov, S., Briscoe, W. J., Brooks, W. K., Bulumulla, D., Burkert, V. D., Carman, D. S., Carvajal, J. C., Celentano, A., Chatagnon, P., Chesnokov, V., Chetry, T., Ciullo, G., Clark, L., Cole, P. L., Contalbrigo, M., Costantini, G., Crede, V., D’Angelo, A., Dashyan, N., De Vita, R., Defurne, M., Deur, A., Diehl, S., Dupré, R., Egiyan, H., Ehrhart, M., El Alaoui, A., El Fassi, L., Eugenio, P., Fedotov, G., Fegan, S., Fersch, R., Filippi, A., Fradi, A., Gavalian, G., Girod, F. X., Glazier, D. I., Golubenko, A., Gothe, R. W., Griffioen, K., Guo, L., Hafidi, K., Hakobyan, H., Hattawy, M., Hayward, T. B., Heddle, D., Hobart, A., Holtrop, M., Ilieva, Y., Ireland, D. G., Isupov, E. L., Jenkins, D., Jo, H. S., Joo, K., Keller, D., Khanal, A., Khandaker, M., Kim, A., Korover, I., Kripko, A., Kubarovsky, V., Kuhn, S. E., Lanza, L., Leali, M., Lenisa, P., Livingston, K., MacGregor, I. J. D., Marchand, D., Markov, N., Marsicano, L., Mascagna, V., McCracken, M. E., McKinnon, B., McLauchlin, C., Meziani, Z. E., Migliorati, S., Mineeva, T., Mirazita, M., Mokeev, V., Munevar, E., Munoz Camacho, C., Nadel-Turonski, P., Neupane, K., Niccolai, S., Niculescu, G., O’Connell, T. R., Osipenko, M., Ostrovidov, A. I., Pandey, P., Paolone, M., Pappalardo, L. L., Pasyuk, E., Pogorelko, O., Prok, Y., Reed, T., Ripani, M., Ritman, J., Rizzo, A., Rosner, G., Sabatie, F., Salgado, C., Schmidt, A., Schumacher, R. A., Sharabian, Y. G., Shrestha, U., Sokhan, D., Soto, O., Sparveris, N., Strakovsky, I. I., Strauch, S., Tyson, R., Ungaro, M., Venturelli, L., Voskanyan, H., Vossen, A., Voutier, E., Watts, D. P., Wei, K., Wei, X., Wishart, R., Wood, M. H., Yale, B., Yurov, M., Zhang, J., Zhao, Z. W., and CLAS Collaboration. Thu .  
"Improved Λ p Elastic Scattering Cross Sections between 0.9 and 2.0     GeV / c as a Main Ingredient of the Neutron Star Equation of State".  United States.  https://doi.org/10.1103/PhysRevLett.127.272303.

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@article{osti_1837784,

  title        = {Improved Λ p Elastic Scattering Cross Sections between 0.9 and 2.0     GeV / c as a Main Ingredient of the Neutron Star Equation of State},

  author       = {Rowley, J. and Compton, N. and Djalali, C. and Hicks, K. and Price, J. and Zachariou, N. and Adhikari, K. P. and Armstrong, W. R. and Atac, H. and Baashen, L. and Barion, L. and Bashkanov, M. and Battaglieri, M. and Bedlinskiy, I. and Benmokhtar, F. and Bianconi, A. and Biondo, L. and Biselli, A. S. and Bondi, M. and Bossù, F. and Boiarinov, S. and Briscoe, W. J. and Brooks, W. K. and Bulumulla, D. and Burkert, V. D. and Carman, D. S. and Carvajal, J. C. and Celentano, A. and Chatagnon, P. and Chesnokov, V. and Chetry, T. and Ciullo, G. and Clark, L. and Cole, P. L. and Contalbrigo, M. and Costantini, G. and Crede, V. and D’Angelo, A. and Dashyan, N. and De Vita, R. and Defurne, M. and Deur, A. and Diehl, S. and Dupré, R. and Egiyan, H. and Ehrhart, M. and El Alaoui, A. and El Fassi, L. and Eugenio, P. and Fedotov, G. and Fegan, S. and Fersch, R. and Filippi, A. and Fradi, A. and Gavalian, G. and Girod, F. X. and Glazier, D. I. and Golubenko, A. and Gothe, R. W. and Griffioen, K. and Guo, L. and Hafidi, K. and Hakobyan, H. and Hattawy, M. and Hayward, T. B. and Heddle, D. and Hobart, A. and Holtrop, M. and Ilieva, Y. and Ireland, D. G. and Isupov, E. L. and Jenkins, D. and Jo, H. S. and Joo, K. and Keller, D. and Khanal, A. and Khandaker, M. and Kim, A. and Korover, I. and Kripko, A. and Kubarovsky, V. and Kuhn, S. E. and Lanza, L. and Leali, M. and Lenisa, P. and Livingston, K. and MacGregor, I. J. D. and Marchand, D. and Markov, N. and Marsicano, L. and Mascagna, V. and McCracken, M. E. and McKinnon, B. and McLauchlin, C. and Meziani, Z. E. and Migliorati, S. and Mineeva, T. and Mirazita, M. and Mokeev, V. and Munevar, E. and Munoz Camacho, C. and Nadel-Turonski, P. and Neupane, K. and Niccolai, S. and Niculescu, G. and O’Connell, T. R. and Osipenko, M. and Ostrovidov, A. I. and Pandey, P. and Paolone, M. and Pappalardo, L. L. and Pasyuk, E. and Pogorelko, O. and Prok, Y. and Reed, T. and Ripani, M. and Ritman, J. and Rizzo, A. and Rosner, G. and Sabatie, F. and Salgado, C. and Schmidt, A. and Schumacher, R. A. and Sharabian, Y. G. and Shrestha, U. and Sokhan, D. and Soto, O. and Sparveris, N. and Strakovsky, I. I. and Strauch, S. and Tyson, R. and Ungaro, M. and Venturelli, L. and Voskanyan, H. and Vossen, A. and Voutier, E. and Watts, D. P. and Wei, K. and Wei, X. and Wishart, R. and Wood, M. H. and Yale, B. and Yurov, M. and Zhang, J. and Zhao, Z. W. and CLAS Collaboration},

  abstractNote = {Strange matter is believed to exist in the cores of neutron stars based on simple kinematics. If this is true, then hyperon-nucleon interactions will play a significant part in the neutron star equation of state. Yet, compared to other elastic scattering processes, there is very little data on Λ-N scattering. This experiment utilized the CEBAF Large Acceptance Spectrometer (CLAS) detector to study the Λp → Λp elastic scattering cross section in the incident Λ momentum range 0.9–2.0 GeV/c. These are the first data on this reaction since the 1970s. The new cross sections have significantly better accuracy and precision than the existing world data, and the techniques developed here can also be used in future experiments.},

  doi          = {10.1103/PhysRevLett.127.272303},

  journal      = {Physical Review Letters},

  number       = 27,

  volume       = 127,

  place        = {United States},

  year         = {Thu Dec 30 00:00:00 EST 2021},

  month        = {Thu Dec 30 00:00:00 EST 2021}

}

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Polarization of $Λ$ ( $\bar{Λ}$ ) Hyperons along the Beam Direction in $Au + Au$ Collisions at $\sqrt{s_{N N}} = 200 GeV$

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The Λ (more »« less
Cited by 111
https://doi.org/10.1103/physrevlett.123.132301

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Measurement of the transverse polarization of $Λ$ and $\bar{Λ}$ hyperons produced in proton-proton collisions at $\sqrt{s} = 7 TeV$ using the ATLAS detector

Journal Article Aad, G. ; Abbott, B. ; Abdallah, J. ; ... - Physical Review. D, Particles, Fields, Gravitation and Cosmology

We measure the transverse polarization of Λ and Λ¯ hyperons produced in proton-proton collisions at a center-of mass energy of 7 TeV is measured. The analysis uses 760 μb^₋1 of minimum bias data collected by the ATLAS detector at the LHC in the year 2010. The measured transverse polarization averaged over Feynman x_F from 5 × 10^₋5 to 0.01 and transverse momentum p_T from 0.8 to 15 GeV is ₋0.010 ± 0.005(stat) ± 0.004(syst) for Λ and 0.002 ± 0.006(stat) ± 0.004(syst) for Λ¯ . It is also measured as a function of x_F and p_T, but we observed nomore »« less
Cited by 10
https://doi.org/10.1103/PhysRevD.91.032004

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Title: Improved Λ p Elastic Scattering Cross Sections between 0.9 and 2.0 GeV / c as a Main Ingredient of the Neutron Star Equation of State

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Λp interactions below 24 GeV/c journal, September 1975

Λ Interactions in Hydrogen journal, February 1959

Hyperon Puzzle: Hints from Quantum Monte Carlo Calculations journal, March 2015

Lambda-Proton Interactions at High Energies journal, August 1967

Jülich hyperon-nucleon model revisited journal, October 2005

Review of Particle Physics journal, August 2018

Λ -proton elastic scattering from 1 to 17 GeV/ c journal, February 1975

The Nuclear Equation of State and Neutron Star Masses journal, November 2012

The CEBAF large acceptance spectrometer (CLAS) journal, May 2003

Experimental study of Λp and Ξ0p interactions in the range 1 – 10 GeV/c journal, July 1977

Hyperon–nucleon interaction within chiral effective field theory revisited journal, March 2020

The CLAS drift chamber system journal, July 2000

The bremsstrahlung tagged photon beam in Hall B at JLab journal, February 2000

Elastic scattering cross section of A° hyperons on nucleons journal, October 1964

GW170817: Measurements of Neutron Star Radii and Equation of State journal, October 2018

Geant4—a simulation toolkit journal, July 2003

Hyperons and neutron stars journal, September 2013

Low-Energy Λ -Proton Elastic Scattering journal, November 1968

Elastic Scattering of Lambda Hyperons from Protons journal, February 1963

The time-of-flight system for CLAS journal, August 1999

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Title: Improved $Λ p$ Elastic Scattering Cross Sections between 0.9 and $2.0 GeV / c$ as a Main Ingredient of the Neutron Star Equation of State

Λp interactions below 24 GeV/c
journal, September 1975

$Λ$ Interactions in Hydrogen
journal, February 1959

Hyperon Puzzle: Hints from Quantum Monte Carlo Calculations
journal, March 2015

Lambda-Proton Interactions at High Energies
journal, August 1967

Jülich hyperon-nucleon model revisited
journal, October 2005

Review of Particle Physics
journal, August 2018

$Λ$ -proton elastic scattering from 1 to 17 GeV/ c
journal, February 1975

The Nuclear Equation of State and Neutron Star Masses
journal, November 2012

The CEBAF large acceptance spectrometer (CLAS)
journal, May 2003

Experimental study of Λp and Ξ0p interactions in the range 1 – 10 GeV/c
journal, July 1977

Hyperon–nucleon interaction within chiral effective field theory revisited
journal, March 2020

The CLAS drift chamber system
journal, July 2000

The bremsstrahlung tagged photon beam in Hall B at JLab
journal, February 2000

Elastic scattering cross section of A° hyperons on nucleons
journal, October 1964

GW170817: Measurements of Neutron Star Radii and Equation of State
journal, October 2018

Geant4—a simulation toolkit
journal, July 2003

Hyperons and neutron stars
journal, September 2013

Low-Energy $Λ$ -Proton Elastic Scattering
journal, November 1968

Elastic Scattering of Lambda Hyperons from Protons
journal, February 1963

The time-of-flight system for CLAS
journal, August 1999

Differential cross section and recoil polarization measurements for the $γ p \to K^{+} Λ$ reaction using CLAS at Jefferson Lab
journal, February 2010

Soft-core hyperon-nucleon potentials
journal, January 1999