<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">works for me<div><br><div><div>On Nov 7, 2011, at 10:08 AM, <a href="mailto:mpaolone@jlab.org">mpaolone@jlab.org</a> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hey everyone,<br><br>It looks like a lot of work has been done since our last meeting on Friday<br>afternoon. I propose a g-12 Beam Correction meeting early this week to<br>discuss the results, address questions, and coordinate efforts between<br>everyone involved. For this meeting, we only need the main beam<br>correction people to attend (Mukesh, Craig, MK, Johann), but anyone who is<br>interested is encouraged to join us also.<br><br>So how does Tuesday afternoon sound? Say at 2pm?<br><br>-Michael<br><br><br><blockquote type="cite">Looked at another way, the correction factor changed from 0.584% to<br></blockquote><blockquote type="cite">0.509%, a change of 584/509=1.15. Can you<br></blockquote><blockquote type="cite">do better to get a more accurate correction with less uncertainty?<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">From: <a href="mailto:g12-bounces@jlab.org">g12-bounces@jlab.org</a> [mailto:g12-bounces@jlab.org] On Behalf Of<br></blockquote><blockquote type="cite">Johann Goetz<br></blockquote><blockquote type="cite">Sent: Monday, November 07, 2011 8:20 AM<br></blockquote><blockquote type="cite">To: Michael C. Kunkel<br></blockquote><blockquote type="cite">Cc: g12<br></blockquote><blockquote type="cite">Subject: Re: [G12] Beam Correction II<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">seems like the error in your result (the 1.00584) is maybe 0.001 or so. Is<br></blockquote><blockquote type="cite">that reasonable?<br></blockquote><blockquote type="cite">On Sun, Nov 6, 2011 at 5:47 PM, Michael C. Kunkel<br></blockquote><blockquote type="cite"><mkunkel@jlab.org<<a href="mailto:mkunkel@jlab.org">mailto:mkunkel@jlab.org</a>>> wrote:<br></blockquote><blockquote type="cite">On 11/6/11 6:32 AM, Dennis Weygand wrote:<br></blockquote><blockquote type="cite">What exactly does 'manually' mean?<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On Nov 4, 2011, at 8:53 PM, Michael C. Kunkel wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Greetings G12'rs<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I have realized if I do a manual fit to find the correction value, I can<br></blockquote><blockquote type="cite">obtain different correction values for the beam.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">My previous email had a correction factor of 1.00509. When I do it<br></blockquote><blockquote type="cite">manually I get a correction factor of 1.00584.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I have attached the new plot for run 56515. There is now only a 2.78 MeV<br></blockquote><blockquote type="cite">difference in the mass peak from the expect.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I know believe this is the correct path to undertake for the beam<br></blockquote><blockquote type="cite">corrections.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">BR<br></blockquote><blockquote type="cite">MK<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><corrected_plotII.jpg>_______________________________________________<br></blockquote><blockquote type="cite">G12 mailing list<br></blockquote><blockquote type="cite">G12@jlab.org<<a href="mailto:G12@jlab.org">mailto:G12@jlab.org</a>><br></blockquote><blockquote type="cite"><a href="https://mailman.jlab.org/mailman/listinfo/g12">https://mailman.jlab.org/mailman/listinfo/g12</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--<br></blockquote><blockquote type="cite">Dennis Weygand<br></blockquote><blockquote type="cite">weygand@jlab.org<<a href="mailto:weygand@jlab.org">mailto:weygand@jlab.org</a>><br></blockquote><blockquote type="cite">(757) 269-5926<tel:%28757%29%20269-5926> (office)<br></blockquote><blockquote type="cite">(757) 870-4844<tel:%28757%29%20870-4844> (cell)<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">It means, instead of having ROOT do a TF1 fit with initial parameters and<br></blockquote><blockquote type="cite">allowed variances, I open the histogram, right click the histogram, open<br></blockquote><blockquote type="cite">fit panel, manually set my limits ..etc.....ie manually<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">BR<br></blockquote><blockquote type="cite">MK<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">_______________________________________________<br></blockquote><blockquote type="cite">G12 mailing list<br></blockquote><blockquote type="cite">G12@jlab.org<<a href="mailto:G12@jlab.org">mailto:G12@jlab.org</a>><br></blockquote><blockquote type="cite"><a href="https://mailman.jlab.org/mailman/listinfo/g12">https://mailman.jlab.org/mailman/listinfo/g12</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--<br></blockquote><blockquote type="cite">Johann T. Goetz, PhD.<<a href="http://sites.google.com/site/theodoregoetz/">http://sites.google.com/site/theodoregoetz/</a>><br></blockquote><blockquote type="cite">jgoetz@ucla.edu<<a href="mailto:jgoetz@ucla.edu">mailto:jgoetz@ucla.edu</a>><br></blockquote><blockquote type="cite">Nefkens Group, UCLA Dept. of Physics & Astronomy<br></blockquote><blockquote type="cite">Hall-B, Jefferson Lab, Newport News, VA<br></blockquote><blockquote type="cite">Office: 757-269-5465 (CEBAF Center F-335)<br></blockquote><blockquote type="cite">Mobile: 757-768-9999<br></blockquote><blockquote type="cite">_______________________________________________<br></blockquote><blockquote type="cite">G12 mailing list<br></blockquote><blockquote type="cite"><a href="mailto:G12@jlab.org">G12@jlab.org</a><br></blockquote><blockquote type="cite"><a href="https://mailman.jlab.org/mailman/listinfo/g12">https://mailman.jlab.org/mailman/listinfo/g12</a><br></blockquote><blockquote type="cite"><br></blockquote><br><br>_______________________________________________<br>G12 mailing list<br><a href="mailto:G12@jlab.org">G12@jlab.org</a><br>https://mailman.jlab.org/mailman/listinfo/g12<br></div></blockquote></div><br><div>
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