[Sane-analysis] Minutes of August 31 Analysis Meeting

[Michael Kohl]

Is there an analysis meeting ongoing today???


On Thu, 1 Sep 2011, Narbe Kalantarians wrote:

>
> _*Hovhannes:*_ Looking at asymmetry extraction where the azimuthal-phi 
> dependence would be canceled. Comparing asymmetries with proposed method 
> (blue points) with method being used now (red points).
> https://hallcweb.jlab.org/experiments/sane/wiki/index.php/Asymmetry_extraction
> The 3rd panel for the 5.9 GeV plots is for E' of 1.6-2.1 [GeV]
>
> Looking at dilution factors with E' bins/ranges used for his asymmetries. 
> Seems to see a dependence on E' range
> https://hallcweb.jlab.org/experiments/sane/bhovik/DilutionFactors/
>
>
> _*Anusha:*_ Update on azimuthal correction. Using an iterative method, on 
> single-arm data. Gets reasonable results.
> https://hallcweb.jlab.org/experiments/sane/wiki/index.php/Azimuthal_Angle_Correction_for_target_mag._field#Update_Azimuthal_angle_corrections_08.2F31.2F2011
> Will apply to coincidence data. Passing along correction to Hoyoung so he can 
> look at packing fractions.
>
>
> _*Narbe:*_ Update on GEANT for dilution factors. Corrected LHe so that it is 
> now both in the target cup as well as the outer edges (+/- 0.5 cm). Aluminum 
> windows added. Had a mistake in throwing over the acceptance (got it 
> corrected 09/01/11).
> https://hallcweb.jlab.org/experiments/sane/wiki/index.php/Kinematics#08.2F31.2F2011
> Will run some statistics to look at dilution factors.
>
>
> _*Luwani:*_ Looking at pi0 asymmetries with the new Replay. Seems to be 
> fairly consistent with those from old Replay.
> https://hallcweb.jlab.org/experiments/sane/wiki/index.php/Pi0_asymmetry_from_New_Replay
> Will get mean averages by target cup and configuration.
>
>
> _*Oscar:*_ Looking at F1 from the model being used (F1F209). Sees peculiar 
> behavior at lower x_Bj (< 0.25), compared to other models. 
> https://hallcweb.jlab.org/experiments/sane/rondon/analysis/asym/pdfs/
> Will look further in to this.
>
>
> As always, please let me know if I missed anything or if I made any 
> mistake(s).
>
> Next meeting will be September 7, at 15:30 (JLab time).
>
>
>
>

+-------------------------------------------------------------------+
| Dr. Michael Kohl                                                  |
| Assistant Professor                | Staff Research Scientist     |
| -  -  -  -  -  -  -  -  -  -  -  - | -  -  -  -  -  -  -  -  -  - |
| Physics Department, Olin / Rm. 414 | Jefferson Laboratory, C117   |
| Hampton University                 | 12000 Jefferson Avenue       |
| Hampton, VA 23668                  | Newport News, VA 23606       |
| U.S.A.                             | U.S.A.                       |
| Phone: +1-757-727-5153             | +1-757-269-7343              |
| Fax:   +1-757-728-6910             | +1-757-269-7363              |
| -  -  -  -  -  -  -  -  -  -  -  - | -  -  -  -  -  -  -  -  -  - |
| Email: kohlm at jlab.org                                             |
| Cell:  +1-757-256-5122                                            |
+-------------------------------------------------------------------+