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--- wimpmass [2009/05/11 13:22]
gunion
+++ wimpmass [2009/06/18 11:43] (current)
gunion
@@ Line 11: / Line 11: @@
 two decay chains. The strategy is to use mass
 shell constraints and the measured missing transverse momenta to
-constrain the mass space. Depending on how many visible
+constrain the mass space. The detailed method depends on the number of visible particles per decay chain.
-particles per decay chain, the detailed method is different.
@@ Line 19: / Line 19: @@
 When each decay chain contains three visible particles, the 4-momenta
 of the missing particles, and therefore the masses of
-all particles can be directly solved for by combining two events. The
+all particles can be directly solved for by combining two events. The references are
-references are
 [[http://arxiv.org/abs/0802.4290|arXiv:0802.4290]]
@@ Line 28: / Line 27: @@
 The code for solving the system is {{:wimpmass-1.00.tar.gz|here}}. Use "tar -xvzf <filename>" to unzip. [[http://root.cern.ch/drupal/|ROOT]] is needed for
 compiling. See the "README" file for instructions on how to run the
-code. A description on how to run a few examples is given [[wimpmass#how to run the examples|below]]. A Mathematica notebook used to symbolically reduce the equation system to a univariate polynomial equation is
+code. A description of how to run a few examples is given  [[wimpmass#how to run the examples|below]]. A Mathematica notebook used to symbolically reduce the equation system described in the above references to a univariate polynomial equation is
-kept {{:solve3quad.nb.gz|here}} (This file only--remove the ".gz" extension before using it. It is not zipped. The extension is only used to avoid conflict with the Wiki), though it is not needed to run the code.
+kept {{:solve3quad.nb.gz|here}} (To use this file only--remove the ".gz" extension before using it. It is not zipped. The extension is only used to avoid conflict with the Wiki); this mathematica notebook is not needed to run the main code --- it was simply used in constructing the final code.
 ==== (b) Two visible particles per decay chain ====
@@ Line 43: / Line 42: @@
 [[http://arxiv.org/abs/0810.5178|arXiv:0810.5178]]
-We provide code that solve for the missing particles' momenta with
+We also provide code that solves for the missing particles' momenta for given choices of the masses of the particles in the decay chain; this code is kept in
-given masses, which is kept in
 the {{:wimpmass-1.00.tar.gz|same place}} as (a), but the two can be compiled
 independently, and ROOT is not needed in this case. See the "README" file for instructions on how to run the
-code. A description on how to run a few examples is given [[wimpmass#how to run the examples|below]].
+code. A description on how to run a few examples is given  [[wimpmass#how to run the examples|below]].
 ==== (c)  One visible particle per decay chain ====
@@ Line 53: / Line 51: @@
 In this case, there are two unknown masses: the mass of the dark
 matter particle and that of its mother particle. The kinematic
-constraints divide the 2-dimensional masses space to an allowed region and a forbidden region, which are separated by the variable
+constraints divide the 2-dimensional mass space into an allowed region and a forbidden region, which are separated by the variable
 [[http://www.hep.phy.cam.ac.uk/~lester/mt2/index.html|"MT2"]]. See the following for a reference, which also
 describes a fast algorithm for calculating MT2.
@@ Line 59: / Line 57: @@
 [[http://arxiv.org/abs/0810.5178|arXiv:0810.5178]]
-The code for calculating MT2 using the algorithm is currently separate from those the cases (a) and (b), which is available
+The code for calculating MT2 using the algorithm is currently separate from those for the cases (a) and (b); it is available
 {{:mt2-1.01a.tar.gz|here}}. Please read the README file for usage.