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 transcript:

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

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

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

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

DIS Diffractive 4x5010x5020x50

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

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

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

DIS Diffractive 4x5010x5020x50

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

Particle Angle vs. Momentum

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

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

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

DIS Diffractive 4x5010x5020x50

DIS 4x100 4x250 4x50 Pi+ P vs. Angle

DIS 10x100 10x250 Pi+ P vs. Angle x50

DIS 20x100 20x250 20x50 Pi+ P vs. Angle

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

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

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

DIS Diffractive 4x5010x5020x50 Peter Schnatz

DIS 4x100 4x250 4x50 K+ P vs. Angle

DIS 10x100 10x250 10x50 K+ P vs. Angle

DIS 20x100 20x250 20x50 K+ P vs. Angle

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

Diffractive 4x100 4x250 4x50 Proton P vs. Angle

Diffractive 10x100 10x250 10x50 Proton P vs. Angle

Diffractive 20x250 20x50 Proton P vs. Angle x100

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

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

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

Diffractive 4x100 4x250 4x50 Proton Variable zoomed views

Diffractive 10x100 10x250 10x50 Proton Variable zoomed views

Diffractive 20x100 20x250 20x50 Proton Variable zoomed views

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.

Comparisons (DIS – 4x250 GeV) PionsKaons

Comparisons (DIS – 10x100 GeV) PionsKaons

Comparisons (DIS – 20x100 GeV) PionsKaons

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)

Comparisons (Diffractive – 4x250 GeV) PionsKaons

Comparisons (Diffractive – 10x100 GeV) PionsKaons

Comparisons (Diffractive – 20x100 GeV) PionsKaons

Cuts GeV DIS Gev/c GeV/c 1.0 – 1.5 GeV/c 1.5 – 2.0 GeV/c Diffractive all data normalized by 1/entries Pi+ K+ Protons

Cuts 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

Cuts GeV DIS Gev/c GeV/c 1.0 – 1.5 GeV/c 1.5 – 2.0 GeV/c Diffractive all data normalized by 1/entries Pi+ K+ Protons

Cuts 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

Cuts GeV DIS Gev/c GeV/c 1.0 – 1.5 GeV/c 1.5 – 2.0 GeV/c Diffractive all data normalized by 1/entries Pi+ K+ Protons

Cuts 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

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/

EXTRAS…

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

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

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