EPJ Web of Conferences
Volume 81, 2014MESON 2014 – 13th International Workshop on Production, Properties and Interaction of Mesons
|Number of page(s)||4|
|Section||Light hadrons - contributions|
|Published online||26 November 2014|
New high precision data on the differential cross sections of the pion-proton elastic scattering
1 Institute for Theoretical and Experimental Physics, Moscow, 117218, Russia
2 Petersburg Nuclear Physics Institute, Gatchina, 188300, Russia
3 National University of Science and Technology “MISiS”, Moscow, 119049, Russia
4 Abilene Christian University, Abilene, Texas, TX 79699-7963, USA
a e-mail: email@example.com
Published online: 26 November 2014
The EPECUR collaboration presents new high precision data on the pion-proton elastic scattering in the second resonance region. The experiment EPECUR is placed on the universal beam channel of the accelerator ITEP. The setup features 0.1% beam pion momentum tagging system, 25 cm long liquid hydrogen target, placed in mylar container and beryllium outer shell, low material wire drift chambers and high performance DAQ. More than 3 billions of triggers have been collected. The data cover pion beam momentum range 0.8 - 1.3 GeV/c and 40-120 degrees center-of-mass scattering angle range for both positive and negative pions. The measured differential cross section has 2% statistical accuracy in 2 degrees angle and 5 MeV/c momentum intervals.
© Owned by the authors, published by EDP Sciences, 2014
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