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Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 1 Selected Highlights from.

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Presentation on theme: "Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 1 Selected Highlights from."— Presentation transcript:

1 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 1 Selected Highlights from the Moments Discussions W.J. Llope for the attendees 5/24/2012 Thanks very much to the speakers and attendees for the lively and very interesting discussions! This is not a “summary” of the workshop so far. Many important details are of course available in the talks… http://drupal.star.bnl.gov/STAR/conference/timetable/talk/24194

2 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 2 Cebra R1,R2,R3= 1 if no critical behavior or if entirely critical behavior R4,R5= 0

3 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 3 Cebra

4 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 4 Koch “p” is generally rather small. Study moments with different “p” values… Wider cuts might introduce other effects (PID, backgrounds, e,y dependence)

5 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 5 Koch

6 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 6 Koch & Tarnowsky p/π K/p K/π correlation fluctuation Residual Autocorrelation in refmult3?

7 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 7 Koch Light nucleus integrated yield ratios….. d/(pp), t/(dp), He 3 /(dp) Effect lives at low P T, can signal survive our spallation cut?

8 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 8 Stephanov Lattice rules out  B crit < 200 MeV General consensus that  B crit < 500 MeV

9 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 9 Koch & Stephanov “can bend back over”

10 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 10 Stephanov  B crit > 200 MeV @ 19.6, 11.5, and 7.7 (  B = 100 MeV in Athanasiou et al.) peak/|trough| ~30 at most, but can be a lot smaller

11 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 11 Stephanov

12 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 12 Bellwied ….not really “moments,” but generated lots of discussion….

13 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 13 Bellwied

14 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 14 EXPERIMENTAL will not attempt to show all of the results…. I concentrate on pointing out track cuts… event cuts… bad-run & bad-event rejection… and then 1-2 “major results” plots from each talk…

15 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 15 Sahoo (net-charge) background cut: refmult vs tofmatch only…. should stop using Run-10 200, use Run-11 200 instead…

16 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 16 Westfall

17 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 17 Westfall

18 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 18 Westfall

19 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 19 Westfall refmult3 |y|<0.5

20 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 20 Westfall refmult2 |  |<0.5

21 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 21 Westfall

22 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 22 McDonald

23 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 23 McDonald net charge… …total protons

24 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 24 McDonald total pions

25 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 25 Luo

26 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 26 Luo refmult3 |y|<0.5

27 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 27 Chen

28 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 28 Chen

29 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 29 Sangaline  (Npart)/  (Npart) in centrality classes based on refmult2 Npart as “centrality” Npart width ~ centrality resn

30 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 30 Sangaline

31 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 31 Sangaline visual indication of autocorrelation between N and refmult? refmult2? refmult3?

32 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 32 Big Picture (My View) Tremendous progress. Beautiful results. All should be congratulated on their hard work. However, some big differences in the analyses… Some bad-run and bad-event rejection criteria are v. loose, some are v. tight… refmult2corr (|  |<0.5) vs refmult3corr (|y|<0.5)… Gary- CBW correction weight? Nihar- spallation cut? multivariate background rejection? Daniel- QA run11 200? numerical stability? Xiaofeng- |Zvtx| range @ 7.7? tighter background rejection? data/skellam tight RM cut? Lizhu- bad-event cut bands? Order of bad-run/evt/trk cuts? b-dep. of rejected evts? Evan- implementation? Sigma-field is isospin blind: “net-” moments vs “total-” moments?

33 Moments Summary Click to edit Master subtitle style STAR Topical Workshop on Fluctuations & PID, Rice University, 5/24/2012 33

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