FSQ-12-002

Rivet routine

preliminary version

• fsq_12_002_rivet.pdf: validation plots (Pythia Z2)

• fsq_12_002.tar.gz: .cc,.aida.,.plot and .info files

important note: cosine ratios are not implemented: waiting Rivet 2.0.

CADi entry

Plots:

Correction factors for $\Delta \phi$ distributions determined for each of the three $ \Delta y $ bins $ \Delta y < 3.0$, $3.0 < \Delta y < 6.0$ and $6.0 < \Delta y < 9.4$, respectively.

Distribution of azimuthal angle difference, $\Delta \phi$, between MN jets in rapidity interval $ \Delta y < 3.0$ and its comparison to the predictions from LL based MC generators \textsc{pythia} 6 Z2, \textsc{pythia} 8 4C, \textsc{herwig++} 2.5, \textsc{sherpa} 1.4 and LL BFKL motivated MC generator \textsc{cascade} 2.

Distribution of azimuthal angle difference, $\Delta \phi$, between MN jets in rapidity interval $ 3.0 < \Delta y < 6.0$ and its comparison to the predictions from LL based MC generators \textsc{pythia} 6 Z2, \textsc{pythia} 8 4C, \textsc{herwig++} 2.5, \textsc{sherpa} 1.4 and LL BFKL motivated MC generator \textsc{cascade} 2.

Distribution of azimuthal angle difference, $\Delta \phi$, between MN jets in rapidity interval $ 6.0 < \Delta y < 9.4$ and its comparison to the predictions from LL based MC generators \textsc{pythia} 6 Z2, \textsc{pythia} 8 4C, \textsc{herwig++} 2.5, \textsc{sherpa} 1.4 and LL BFKL motivated MC generator \textsc{cascade} 2.

Average $<\cos{\pi-\Delta\phi}>$ as a function of $ \Delta y $ compared to LL DGLAP MC generators is shown on the left. On the right, comparison to MC generator \textsc{sherpa} with parton matrix elements matched to LL DGLAP parton shower, LL BFKL inspired generator \textsc{cascade} and analytic NLL BFKL calculations on the parton level ($\Delta y > 4 $) is presented.

Average $<\cos{2(\pi-\Delta\phi)}>$ as a function of $ \Delta y $ compared to LL DGLAP MC generators is shown on the left. On the right, comparison to MC generator \textsc{sherpa} with parton matrix elements matched to LL DGLAP parton shower, LL BFKL inspired generator \textsc{cascade} and analytic NLL BFKL calculations on the parton level ($\Delta y > 4 $) is presented.

Average $<\cos{3(\pi-\Delta\phi)}>$ as a function of $ \Delta y $ compared to LL DGLAP MC generators is shown on the left. On the right, comparison to MC generator \textsc{sherpa} with parton matrix elements matched to LL DGLAP parton shower, LL BFKL inspired generator \textsc{cascade} and analytic NLL BFKL calculations on the parton level ($\Delta y > 4 $) is presented.

On the left measured ratio $C_2/C_1$ as a function of rapidity difference $ \Delta y $ is compared to LL DGLAP parton shower generators. On the right the ratio is compared to MC generator \textsc{sherpa} with parton matrix element matched to LL DGLAP parton shower, LL BFKL - inspired generator \textsc{cascade} and analytic NLL BFKL calculations at the parton level.

On the left measured ratio $C_3/C_2$ as a function of rapidity difference $ \Delta y $ is compared to LL DGLAP parton shower generators. On the right the ratio is compared to MC generator \textsc{sherpa} with parton matrix element matched to LL DGLAP parton shower, LL BFKL - inspired generator \textsc{cascade} and analytic NLL BFKL calculations at the parton level.

Distributions of azimuthal angle difference (left) between MN jets with $0 < \Delta y< 3$ compared to \textsc{pythia}6 Z2 without multiple parton interaction modeling or without angular ordering for parton shower. Detailed comparison is presented as MC/data ratio (right).

Distributions of azimuthal angle difference (left) between MN jets with $ 3 < \Delta y< 6 $ compared to \textsc{pythia}6 Z2 without multiple parton interaction modeling or without angular ordering for parton shower. Detailed comparison is presented as MC/data ratio (right).

Distributions of azimuthal angle difference (left) between MN jets with $ 6 < \Delta y< 9.4 $ compared to \textsc{pythia}6 Z2 without multiple parton interaction modeling or without angular ordering for parton shower. Detailed comparison is presented as MC/data ratio (right).

Average $<\cos{(\pi - \Delta \phi)}>$, $<\cos{2(\pi - \Delta \phi)}>$ and $<\cos{3(\pi - \Delta \phi)}>$ compared to \textsc{pythia}6 Z2 without multiple parton interaction modeling (left) or without angle ordering for parton shower (right).

Measured ratios $C_2/C_1$ (left) and $C_3/C_2$ (right) are compared to \textsc{pythia}6 Z2 with modified multiple parton interaction modeling and different ordering of parton emissions