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Kinematics

Beam energy $E_{beam}=4.007 \rm {GeV}$, $\theta_L=\theta_R=30^\circ$, LD2_15cm target;
Run# $p_L$ $p_R$ $(e/\pi)_L$ $(e/\pi)_R$
3725-3727 2.5 GeV/c - $\sim$100 -
3729-3730 1.0 GeV/c - $\sim$0.01 -
3733,3734,3739 1.0 GeV/c 2.5 GeV/c $\sim$0.01 $\sim$100
3741-3752 1.0 GeV/c - $\sim$0.01 -
3753,3755 1.0 GeV/c 1.0 GeV/c $\sim$0.01 $\sim$0.01
3756 - 1.0 GeV/c - $\sim$0.01
3757-3759 2.0 GeV/c 1.0 GeV/c $\sim$1 $\sim$0.01
         




Xiaochao Zheng 2001-05-01