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Bhesha & all, <br>

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Before going to coding, you can try to lose the pion & proton timing cuts which by default are set to 

<a href="https://halldweb.jlab.org/wiki/index.php/Spring_2017_Analysis_Launch_Cuts" id="LPlnk938378">

https://halldweb.jlab.org/wiki/index.php/Spring_2017_Analysis_Launch_Cuts</a> (unless it is changed in the configuration file). For PrimEx, I was able to improve the \eta \to \pi^0\pi^+\pi^- detection efficiency by increasing the timing window to 100 ns ...

 for the charged pions. This wiki, <a href="https://halldweb.jlab.org/wiki/index.php/The_particle_selection_criteria_can_be_changed_in_the_configuration_file." id="LPlnk305494">

https://halldweb.jlab.org/wiki/index.php/The_particle_selection_criteria_can_be_changed_in_the_configuration_file.</a>, explains how to change the timing cuts.</div>

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To visualize the events do: hdview2 [your evio/hddm file] if you are looking at mc simulation do not forget to set

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JANA_CALIB_CONTEXT to variation=mc or write in a cfg JANA_CALIB_CONTEXT variation=mc and do hdview2 --config=[your cfg fine] [your evio/hddm file]</div>

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Examples of coding can be found here: <br>

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<a href="https://github.com/JeffersonLab/halld_recon/tree/master/src/plugins/monitoring/primex-online" id="LPlnk393405">https://github.com/JeffersonLab/halld_recon/tree/master/src/plugins/monitoring/primex-online</a></div>

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<a href="https://github.com/JeffersonLab/halld_recon/tree/master/src/plugins/Analysis/p2pi_trees" id="LPlnk874624">https://github.com/JeffersonLab/halld_recon/tree/master/src/plugins/Analysis/p2pi_trees</a></div>

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<a href="https://github.com/JeffersonLab/halld_recon/tree/master/src/plugins/Analysis/src-ct" id="LPlnk425518">https://github.com/JeffersonLab/halld_recon/tree/master/src/plugins/Analysis/src-ct</a></div>

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tks ig.<br>

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