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Title Improved Lambda p Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State
Authors Joseph Rowley, Nicholas Compton, Chaden Djalali, Ken Hicks, John Price, Nicholas Zachariou, Krishna Adhikari, Whitney Armstrong, Hamza Atac, Lamya Baashen, Luca Barion, Mikhail Bashkanov, Marco Battaglieri, Ivan Bedlinskiy, Fatiha Benmokhtar, Andrea Bianconi, Letterio Biondo, Angela Biselli, Mariangela Bondi, Francesco Bossu, Sergey Boyarinov, William Briscoe, William Brooks, Dilini Bulumulla, Volker Burkert, Daniel Carman, Jose Carvajal, Andrea Celentano, Pierre Chatagnon, Vitaly Chesnokov, Taya Chetry, GIUSEPPE CIULLO, L. Clark, Philip Cole, Marco Contalbrigo, Giovanni Costantini, Volker Crede, Annalisa D'Angelo, Natalya Dashyan, Raffaella De Vita, Maxime Defurne, Alexandre Deur, Stefan Diehl, Raphael Dupre, Hovanes Egiyan, Mathieu Ehrhart, Ahmed El Alaoui, Lamiaa El Fassi, Paul Eugenio, Gleb Fedotov, Stuart Fegan, Robert Fersch, Alessandra Filippi, Ahmed Fradi, Gagik Gavalian, Francois-Xavier Girod-Gard, Derek Glazier, Anna Golubenko, Ralf Gothe, Keith Griffioen, Lei Guo, Kawtar Hafidi, Hayk Hakobyan, Mohammad Hattawy, Timothy Hayward, David Heddle, Adam Hobart, Maurik Holtrop, Yordanka Ilieva, David Ireland, Evgeny Isupov, David Jenkins, Hyon-Suk Jo, Kyungseon Joo, Dustin Keller, Achyut Khanal, Mahbub Khandaker, Andrey Kim, Igor Korover, Aron Kripko, Valery Kubarovsky, Sebastian Kuhn, Lucilla Lanza, Marco Leali, Paolo Lenisa, Kenneth Livingston, Ian MacGregor, Dominique Marchand, Nikolay Markov, Luca Marsicano, Valerio Mascagna, Michael McCracken, Bryan McKinnon, Christopher McLauchlin, Zein-Eddine Meziani, Stefano Migliorati, Taisiya Mineeva, Marco Mirazita, Viktor Mokeev, Edwin Munevar Espitia, Carlos Munoz Camacho, Pawel Nadel-Turonski, Krishna Neupane, Silvia Niccolai, Gabriel Niculescu, Thomas O'Connell, Mikhail Osipenko, Alexander Ostrovidov, Pushpa Pandey, Michael Paolone, Luciano Pappalardo, Eugene Pasyuk, Oleg Pogorelko, Yelena Prok, Trevor Reed, Marco Ripani, James Ritman, Alessandro Rizzo, Guenther Rosner, Franck Sabatie, Carlos Salgado, Axel Schmidt, R. Schumacher, Utsav Shrestha, Daria Sokhan, Orlando Soto Sandoval, Nikolaos Sparveris, Igor Strakovsky, Steffen Strauch, Richard Tyson, Maurizio Ungaro, Luca Venturelli, Hakob Voskanyan, Anselm Vossen, Eric Voutier, Daniel Watts, Kevin Wei, Xiangdong Wei, Robert Wishart, Michael Wood, Bradley Yale, Mikhail Yurov, Jixie Zhang, Zhiwen Zhao, Youri Sharabian
JLAB number JLAB-PHY-21-3474
LANL number arXiv:2108.03134
Other number DOE/OR/23177-5290
Document Type(s) (Journal Article) 
Associated with EIC: No
Supported by Jefferson Lab LDRD Funding: No
Funding Source: Nuclear Physics (NP)
 

Journal
Compiled for Physical Review Letters
Volume 127
Page(s) 272303
Refereed
Publication 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 (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 -> 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.
Experiment Numbers:
Group: Hall B
Document: pdf
DOI: https://doi.org/10.1103/PhysRevLett.127.272303
Accepted Manuscript: PhysRevLett.127.272303.pdf
Supporting Documents:
Supporting Datasets: