Improved $Λp$ Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State
Publication
, Journal Article
Collaboration, CLAS; Rowley, J; Compton, N; Djalali, C; Hicks, K; Price, J; Zachariou, N; Adhikari, KP; Armstrong, WR; Atac, H; Baashen, L ...
August 6, 2021
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 (EOS). Yet, compared to other elastic scattering processes, there is very little data on $\Lambda$-$N$ scattering. This experiment utilized the CLAS detector to study the $\Lambda p \rightarrow \Lambda p$ elastic scattering cross section in the incident $\Lambda$ momentum range 0.9-2.0 GeV/c. This is the first data on this reaction in several decades. 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.
Duke Scholars
Publication Date
August 6, 2021
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Collaboration, C. L. A. S., Rowley, J., Compton, N., Djalali, C., Hicks, K., Price, J., … Zhao, Z. W. (2021). Improved $Λp$ Elastic Scattering Cross Sections Between 0.9 and
2.0 GeV/c and Connections to the Neutron Star Equation of State.
Collaboration, C. L. A. S., J. Rowley, N. Compton, C. Djalali, K. Hicks, J. Price, N. Zachariou, et al. “Improved $Λp$ Elastic Scattering Cross Sections Between 0.9 and
2.0 GeV/c and Connections to the Neutron Star Equation of State,” August 6, 2021.
Collaboration CLAS, Rowley J, Compton N, Djalali C, Hicks K, Price J, et al. Improved $Λp$ Elastic Scattering Cross Sections Between 0.9 and
2.0 GeV/c and Connections to the Neutron Star Equation of State. 2021 Aug 6;
Collaboration, C. L. A. S., et al. Improved $Λp$ Elastic Scattering Cross Sections Between 0.9 and
2.0 GeV/c and Connections to the Neutron Star Equation of State. Aug. 2021.
Collaboration CLAS, Rowley J, Compton N, Djalali C, Hicks K, Price J, Zachariou N, Adhikari KP, Armstrong WR, Atac H, Baashen L, Barion L, Bashkanov M, Battaglieri M, Bedlinskiy I, Benmokhtar F, Bianconi A, Biondo L, Biselli AS, Bondi M, Bossu F, Boiarinov S, Briscoe WJ, Brooks WK, Bulumulla D, Burkert VD, Carman DS, Carvajal JC, Celentano A, Chatagnon P, Chesnokov V, Chetry T, Ciullo G, Clark L, Cole PL, Contalbrigo M, Costantini G, Crede V, D’Angelo A, Dashyan N, Vita RD, Defurne M, Deur A, Diehl S, Dupre R, Egiyan H, Ehrhart M, Alaoui AE, Fassi LE, Eugenio P, Fedotov G, Fegan S, Fersch R, Filippi A, Fradi A, Gavalian G, Girod FX, Glazier DI, Golubenko A, Gothe RW, Griffioen K, Guo L, Hafidi K, Hakobyan H, Hattawy M, Hayward TB, Heddle D, Hobart A, Holtrop M, Ilieva Y, Ireland DG, Isupov EL, Jenkins D, Jo HS, Joo K, Keller D, Khanal A, Khandaker M, Kim A, Korover I, Kripko A, Kubarovsky V, Kuhn SE, Lanza L, Leali M, Lenisa P, Livingston K, MacGregor IJD, Marchand D, Markov N, Marsicano L, Mascagna V, McCracken ME, McKinnon B, McLauchlin C, Meziani ZE, Migliorati S, Mineeva T, Mirazita M, Mokeev V, Munevar E, Camacho CM, Nadel-Turonski P, Neupane K, Niccolai S, Niculescu G, O’Connell TR, Osipenko M, Ostrovidov AI, Pandey P, Paolone M, Pappalardo LL, Pasyuk E, Pogorelko O, Prok Y, Reed T, Ripani M, Ritman J, Rizzo A, Rosner G, Sabatie F, Salgado C, Schmidt A, Schumacher RA, Sharabian YG, Shrestha U, Sokhan D, Soto O, Sparveris N, Strakovsky II, Strauch S, Tyson R, Ungaro M, Venturelli L, Voskanyan H, Vossen A, Voutier E, Watts D, Wei K, Wei X, Wishart R, Wood MH, Yale B, Yurov M, Zhang J, Zhao ZW. Improved $Λp$ Elastic Scattering Cross Sections Between 0.9 and
2.0 GeV/c and Connections to the Neutron Star Equation of State. 2021 Aug 6;
Publication Date
August 6, 2021