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Momentum vs. Angle A Loose Collection of Plots For E’, Pi+, and K+ Using e-p RAPGAP Data Created: July 2009, William Foreman, BNL Last Updated: October.

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Presentation on theme: "Momentum vs. Angle A Loose Collection of Plots For E’, Pi+, and K+ Using e-p RAPGAP Data Created: July 2009, William Foreman, BNL Last Updated: October."— Presentation transcript:

1 Momentum vs. Angle A Loose Collection of Plots For E’, Pi+, and K+ Using e-p RAPGAP Data Created: July 2009, William Foreman, BNL Last Updated: October 2009

2 4x100 4x250 DIS Diffractive p E’ vs. Theta

3 10x10010x250 10x10010x250 DIS Diffractive p E’ vs. Theta

4 20x100 20x25020x100 20x250 20x100 DIS Diffractive p E’ vs. Theta

5 DIS Diffractive 4x5010x5020x50

6 E’ momentum vs. theta (zoomed views) DIS Diffractive 4x100 4x250

7 E’ momentum vs. theta (zoomed views) DIS Diffractive 20x100 10x100

8 E’ momentum vs. theta (zoomed views) DIS Diffractive 20x250 10x250

9 DIS Diffractive 4x5010x5020x50

10 Momentum vs. theta of scat. electron Proton Energy 50 GeV 100 GeV 250 GeV Electron Energy 4 GeV 10 GeV 20 GeV

11 Particle Angle vs. Momentum

12 DIS Diffractive 4x100 4x250 4x100 Pi+ P vs. Angle

13 10x100 20x100 Pi+ P vs. Angle DIS Diffractive

14 10x250 20x250 Pi+ P vs. Angle DIS Diffractive

15 DIS Diffractive 4x5010x5020x50

16 DIS 4x100 4x250 4x50 Pi+ P vs. Angle 0 0 - 20 0

17 DIS 10x100 10x250 Pi+ P vs. Angle 0 0 - 20 0 10x50

18 DIS 20x100 20x250 20x50 Pi+ P vs. Angle 0 0 - 20 0

19 4x100 4x250 4x100 K+ P vs. Angle DIS Diffractive

20 10x100 20x100 DIS Diffractive K+ P vs. Angle

21 10x250 20x250 DIS Diffractive K+ P vs. Angle

22 DIS Diffractive 4x5010x5020x50 Peter Schnatz

23 DIS 4x100 4x250 4x50 K+ P vs. Angle 0 0 - 20 0

24 DIS 10x100 10x250 10x50 K+ P vs. Angle 0 0 - 20 0

25 DIS 20x100 20x250 20x50 K+ P vs. Angle 0 0 - 20 0

26  Scattered Proton p vs. angle  Standard 0-0.25 0  Standard 0-1.2 0 with logarithmic Z-axis  Variable scaling for each energy

27 Diffractive 4x100 4x250 4x50 Proton P vs. Angle 0 0 - 0.25 0

28 Diffractive 10x100 10x250 10x50 Proton P vs. Angle 0 0 - 0.25 0

29 Diffractive 20x250 20x50 Proton P vs. Angle 0 0 - 0.25 0 20x100

30 Diffractive 4x100 4x250 4x50 Proton P vs. Angle Large-Scale Distribution (note: log-Z axis)

31 Diffractive 10x100 10x250 10x50 Proton P vs. Angle Large-Scale Distribution (note: log-Z axis)

32 Diffractive 20x100 20x250 20x50 Proton P vs. Angle Large-Scale Distribution (note: log-Z axis)

33 Diffractive 4x100 4x250 4x50 Proton Variable zoomed views

34 Diffractive 10x100 10x250 10x50 Proton Variable zoomed views

35 Diffractive 20x100 20x250 20x50 Proton Variable zoomed views

36 Comparisons (DIS – 4x100 GeV) PionsKaons Though very subtle, it is apparent in the zoomed versions of the plots that kaons have higher momenta than pions for every corresponding projection angle.

37 Comparisons (DIS – 4x250 GeV) PionsKaons

38 Comparisons (DIS – 10x100 GeV) PionsKaons

39 Comparisons (DIS – 20x100 GeV) PionsKaons

40 Comparisons (Diffractive – 4x100 GeV) PionsKaons When diffractive collisions are turned on, most kaons are clearly projected at smaller angles compared to most pions (approx. 25 degrees vs. 45 degrees)

41 Comparisons (Diffractive – 4x250 GeV) PionsKaons

42 Comparisons (Diffractive – 10x100 GeV) PionsKaons

43 Comparisons (Diffractive – 20x100 GeV) PionsKaons

44 Cuts 4+100 GeV DIS 0-0.5 Gev/c 0.5-1.0 GeV/c 1.0 – 1.5 GeV/c 1.5 – 2.0 GeV/c Diffractive all data normalized by 1/entries Pi+ K+ Protons

45 Cuts 4+100 GeV DIS 2.0 – 2.5 Gev/c 2.5 – 3.0 GeV/c 3.0 – 5.0 GeV/c 5.0 – 10.0 GeV/c Diffractive all data normalized by 1/entries Pi+ K+ Protons

46 Cuts 4+250 GeV DIS 0-0.5 Gev/c 0.5-1.0 GeV/c 1.0 – 1.5 GeV/c 1.5 – 2.0 GeV/c Diffractive all data normalized by 1/entries Pi+ K+ Protons

47 Cuts 4+250 GeV DIS 2.0 – 2.5 Gev/c 2.5 – 3.0 GeV/c 3.0 – 5.0 GeV/c 5.0 – 10.0 GeV/c Diffractive all data normalized by 1/entries Pi+ K+ Protons

48 Cuts 10+100 GeV DIS 0-0.5 Gev/c 0.5-1.0 GeV/c 1.0 – 1.5 GeV/c 1.5 – 2.0 GeV/c Diffractive all data normalized by 1/entries Pi+ K+ Protons

49 Cuts 10+100 GeV DIS 2.0 – 2.5 Gev/c 2.5 – 3.0 GeV/c 3.0 – 5.0 GeV/c 5.0 – 10.0 GeV/c Diffractive all data normalized by 1/entries Pi+ K+ Protons

50 Original plots and more: /afs/rhic.bnl.gov/eic/PACKAGES.NEW/wforeman/RAPGAP/plots_angle_p/ /afs/rhic.bnl.gov/eic/PACKAGES.NEW/wforeman/RAPGAP/plots_theta_p/

51 EXTRAS…

52 Pi+ momentum vs. angle DIS (log z-axis) Diffractive 4x100 4x250 4x100

53 Pi+ momentum vs. angle (forward angles) DIS (log z-axis) Diffractive 4x100 4x250

54 K+ momentum vs. angle (forward angles) DIS Diffractive 4x100 4x250

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