[Eg6_analysis] Coherent Pi0 Tree

[Frank C]

Sorry, disregard that last file. I was still looking at events to see if we
misidentified the proton as a helium, so the mass of the recoil was
incorrect. Attached should be the correct file.

Thanks,
Frank

On Fri, Jun 1, 2018 at 7:19 PM, Frank C <franktcao at gmail.com> wrote:

> Dear all,
>
> Attached are the 800+ events that either pass exclusivity cuts or pass
> kinematic fit. The confidence level (for each event) and pulls (for each
> particle's p, theta, and phi, for each event) are also included so you can
> pick out the ones that pass the kin. fit (confidence level cut of 0.05).
>
> Here's just a quick reference guide:
>
>    - *runnb*, *evntid* are the usual run and event numbers *(Int_t)*
>    - *helicity* is the helicity (+/-1) of the event *(Int_t)*
>    -
> *confLevel is the confidence level of the event (Double_t) *
>    - *pulls* are the 12 pull values for a given event (*TVectorD*). The
>    pulls are in this order:
>       1. p_e
>       2. theta_e
>       3. phi_e
>       4. .... Then same for he4, photon1, and photon2
>    -
> *P_e, P_he4, etc:  *
>       - Measured 4-momenta of that particle (*TLorentzVector*)
>    - *P_e_fit, P_he4_fit, etc:*
>       - Fitted 4-momenta of that particle (*TLorentzVector*)
>    - *exc_vars:* I just included the exclusivity variables calculated for
>    each event (feel free to check!)
>       1. MM^2 of final state e X pi0
>       2. MM^2 of final state e he4 X
>       3. MM^2 of final state e he4 pi0 X
>       4. Missing px of final state e he4 pi0
>       5. Missing py of final state e he4 pi0
>       6. Misssing pt of final state e he4 pi0
>       7. Missing E of final state e he4 pi0
>       8. Cone angle between measured and calculated pi0
>       9. Coplanarity: Angle between normals of the planes formed by
>       1. Virtual photon and recoiled he4
>          2. Recoiled he4 and pi0
>
> Let me know if there's anything else I should include in this root file.
>
> Thanks,
> Frank
>
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