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<div style="color: rgb(0, 0, 0); font-family: Optima; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Patricia<br><br>-- <br>Patricia SOLVIGNON<br>Staff Scientist<br>Jefferson Lab<br><br>Current address : <br>Jefferson Lab<br>Suite 6, MS. 12H4 Room C121 (Cebaf Center)<br>12000 Jefferson Avenue Office: (757)-269-6933<br>Newport News, VA 23606</div>
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<br><div><div>On May 10, 2013, at 3:21 PM, "O. A. Rondon" <<a href="mailto:or@virginia.edu">or@virginia.edu</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi Steve,<br><br>Which proposal number is this experiment? I've looked at E94-110,<br>99-118, 02-109, 03-103, 04-001, and 06-009, all about R on deuterium or<br>nuclear targets, and none have an Appendix B on p.29 discussing<br>systematic errors.<br><br>Or maybe you have a version that is different from those posted below?<br><a href="http://www.jlab.org/div_dept/physics_division/experiments/">http://www.jlab.org/div_dept/physics_division/experiments/</a><br><br>Thank you and cheers,<br><br>Oscar<br><br>Patricia SOLVIGNON wrote:<br><blockquote type="cite">Begin forwarded message:<br><br><blockquote type="cite">*From: *"Stephen A. Wood" <saw@jlab.org <mailto:saw@jlab.org>><br>*Subject: **Systematic Errors*<br>*Date: *May 10, 2013 1:52:08 PM EDT<br>*To: *Patricia Solvignon-Slifer <solvigno@jlab.org <mailto:solvigno@jlab.org>><br><br>Patricia:<br><br>I think the table in Appendix B (page 29) of the Nuclear Dependence of R <br>proposal might be a good guide of what time dependent/point to point <br>systematic errors to consider in b1. Like b1, measuring R is essentially <br>subtracting two cross sections to get a difference that is a small fraction of <br>the cross sections. For b1, ignore the specific numbers presented. I believe <br>the numbers in the table just get copied around between proposals and theses, <br>and some of these systematic errors come from the fact that one has to change <br>beam energies and spectrometer settings. But it would be worthwhile to think <br>about each item in the list and consider whether it is relevant to b1 and how <br>well it can be controlled.<br><br>Steve<br><br></blockquote><br><br>------------------------------------------------------------------------<br><br><br><br>------------------------------------------------------------------------<br><br>_______________________________________________<br>b1_ana mailing list<br>b1_ana@jlab.org<br>https://mailman.jlab.org/mailman/listinfo/b1_ana<br></blockquote><br><br>_______________________________________________<br>b1_ana mailing list<br>b1_ana@jlab.org<br>https://mailman.jlab.org/mailman/listinfo/b1_ana<br></blockquote></div><br></div></body></html>