Phi angle in CM frame for different runs

[math]\varphi^{LAB}[/math]

	electron sector=1	electron sector=6
[math]\varphi_{e}^{LAB}[/math]
[math]\varphi_{pion}^{LAB}[/math]
[math]\varphi_{e}^{LAB} - \varphi_{pion}^{LAB}[/math]

	electron sector=1	electron sector=6
[math]\varphi_{e}^{LAB}[/math]
[math]\varphi_{pion}^{LAB}[/math]
[math]\varphi_{e}^{LAB} - \varphi_{pion}^{LAB}[/math]

[math]\varphi^{CM}[/math]

	electron sector=1	electron sector=6
[math]\varphi_{e}^{CM}[/math]
[math]\varphi_{pion}^{CM}[/math]
[math]\varphi_{e}^{CM} - \varphi_{pion}^{CM}[/math]

I used 27 files. The cut is applied on [math]1.6 \lt Q^{2} \lt 1.9[/math].

phi_angle_in_cm_frame_vs_electron_sector

phi_angle_in_cm_frame_vs_pion_sector

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