Research on the phase space of three- and four-body final states processes |
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| Authors: | Kang Yu De-Min Li Jia-Jun Wu |
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| Affiliation: | 1. School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, China2. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | Analytical formulae for the phase space factors and three-momenta of three- and four-body final states are derived for all sets of independent kinematic variables containing invariant mass variables. These formulae will help experimental physicists to perform data analysis. As an example, we show how to use these formulae to distinguish the different mechanisms of the begin{document}$ e+pto e+J/psi+ p $end{document}![]() ![]() process when searching the signals of begin{document}$ P_c $end{document}![]() ![]() states in the energy region of the Electron–Ion collider at China (EicC). |
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| Keywords: | phase space four-body final states kinematics |
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