View source for Momenutm vs. θ from pythia August 21, 2007

Here are some plots of the momentum vs. angle relation for 1 million events generate by pythia. The output of pythia after generating these was:


<pre>
 ==============================================================================
 I                                  I                            I            I
 I            Subprocess            I      Number of points      I    Sigma   I
 I                                  I                            I            I
 I----------------------------------I----------------------------I    (mb)    I
 I                                  I                            I            I
 I N:o Type                         I    Generated         Tried I            I
 I                                  I                            I            I
 ==============================================================================
 I                                  I                            I            I
 I   0 All included subprocesses    I      1000000        821089 I  7.870D-02 I
 I  11 f + f' -> f + f' (QCD)       I         4817             0 I  4.016D-04 I
 I  12 f + fbar -> f' + fbar'       I          247             0 I  2.069D-05 I
 I  13 f + fbar -> g + g            I          251             0 I  2.089D-05 I
 I  28 f + g -> f + g               I         4646             0 I  3.788D-04 I
 I  53 g + g -> f + fbar            I           25             0 I  1.990D-06 I
 I  68 g + g -> g + g               I          796             0 I  6.279D-05 I
 I  91 Elastic scattering           I       123816        123816 I  9.688D-03 I
 I  92 Single diffractive (XB)      I        26603         26603 I  2.075D-03 I
 I  93 Single diffractive (AX)      I        24436         24436 I  1.897D-03 I
 I  94 Double  diffractive          I            0             0 I  0.000D+00 I
 I  95 Low-pT scattering            I       804299        822531 I  6.337D-02 I
 I 131 f + gamma*_T -> f + g        I         8478         32692 I  6.653D-04 I
 I 135 g + gamma*_T -> f + fbar     I         1586          6880 I  1.221D-04 I
 I                                  I                            I            I
 ==============================================================================
 I                                  I                            I            I
 I   1 VMD * hadron                 I       961050        552717 I  7.538D-02 I
 I   2 direct * hadron              I        10064         39572 I  7.873D-04 I
 I   3 anomalous * hadron           I        28886        228800 I  2.538D-03 I
 I   4 DIS * hadron                 I            0             0 I  0.000D+00 I
 I                                  I                            I            I
 ==============================================================================
</pre>

[[Image:20070821_pmom_vs_theta_pip.gif]]
[[Image:20070821_pmom_vs_theta_pim.gif]]
[[Image:20070821_pmom_vs_theta_proton.gif]]
[[Image:20070821_pmom_vs_theta_gamma.gif]]