[Rgc] [EXTERNAL] Re: RGC-analysis meeting tomorrow

[Harut Avagyan]

The comment in rcdb  says "4 nA 1/2 waveplate OUT", but the variable 
"half_wave_plate" in rcdb was updated only for the following run.

The value of the A_LL clerly indicates the problem is in HW plate value.

Best,

Harut

On 4/1/2025 9:04 AM, Timothy Hayward via Rgc wrote:
> Hi all,
>
> I checked the run 17735 in the Spring data that Harut mentioned and indeed find a negative beam-spin asymmetry for inclusive pi+, indicating the HWP assignment is likely backwards. Would it be possible to recook the single run?
>
> Best,
> Timothy
>
>> On Mar 31, 2025, at 5:09 PM, Silvia Niccolai via Rgc<rgc at jlab.org> wrote:
>>
>> Dear all,
>> tomorrow we'll have our RGC-analysis meeting, at 8:30AM JLab time, zoom linkhttps://urldefense.proofpoint.com/v2/url?u=https-3A__jlab-2Dorg.zoomgov.com_j_1609368114&d=DwIGaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-ox-Uc2CapOgkH94pk354A&m=ijH9Y53cP6tKCiASl-pnidKKF7hvn0tUOqye9emHTGhykwtau4EIuXD0bXU5JbQb&s=0ebeN6qiFuVbxgm-l5gf_oUKiDh5kKklVWpeJByWunU&e= , wiki page:https://clasweb.jlab.org/wiki/index.php/RGC_Apr1 .
>> Please let me know if you plan to present something.
>> Best regards,
>> Silvia
>> Sent from my iPhone
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