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C. G. Lester and D. J. Summers, Measuring masses of semiinvisibly decaying particles pair produced at hadron colliders
1999
Earlier work this paper cites.
B. C. Allanach, C. G. Lester, M. A. Parker, and B. R. Webber, Measuring sparticle masses in non-universal string inspired models at the LHC
2000
Earlier work this paper cites.
D. R. Tovey, Measuring the SUSY mass scale at the LHC
2001
Earlier work this paper cites.
A. Barr, C. Lester, and P. Stephens, m(T2) : The Truth behind the glamour
2003
Earlier work this paper cites.
A. J. Barr, C. G. Lester, M. A. Parker, B. C. Allanach, and P. Richardson, Discovering anomaly-mediated supersymmetry at the LHC
2003
Earlier work this paper cites.
C. Lester and A. Barr, M T G e n M_{TGen} : Mass scale measurements in pair-production at colliders
Original
2007
Earlier work this paper cites.
H.-C. Cheng and Z. Han, Minimal kinematic constraints and M T 2 M_{T2}
Original
2008
Earlier work this paper cites.
D. R. Tovey, On measuring the masses of pair-produced semi-invisibly decaying particles at hadron colliders
Original
2008
Earlier work this paper cites.
W. S. Cho, K. Choi, Y. G. Kim, and C. B. Park, Measuring the top quark mass with m T 2 m_{T2} at the LHC
Original
2008
Earlier work this paper cites.

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2011

Lester, Christopher G.

This document describes some special cases in which the stransverse mass, MT2, may be calculated by non-iterative algorithms.

The most notable special case is that in which the visible particles and the hypothesised invisible particles are massless -- a situation relevant to its current usage in the Large Hadron Collider as a discovery variable, and a situation for which no analytic answer was previously known.
We also derive an expression for MT2 in another set of new (though arguably less interesting) special cases in which the missing transverse momentum must point parallel or anti parallel to the visible momentum sum.
In addition, we find new derivations for already known MT2 solutions in a manner that maintains manifest contralinear boost invariance throughout, providing new insights into old results.

C. G. Lester and D. J. Summers, Measuring masses of semiinvisibly decaying particles pair produced at hadron colliders
1999
Earlier work this paper cites.
B. C. Allanach, C. G. Lester, M. A. Parker, and B. R. Webber, Measuring sparticle masses in non-universal string inspired models at the LHC
2000
Earlier work this paper cites.
D. R. Tovey, Measuring the SUSY mass scale at the LHC
2001
Earlier work this paper cites.
A. Barr, C. Lester, and P. Stephens, m(T2) : The Truth behind the glamour
2003
Earlier work this paper cites.
A. J. Barr, C. G. Lester, M. A. Parker, B. C. Allanach, and P. Richardson, Discovering anomaly-mediated supersymmetry at the LHC
2003
Earlier work this paper cites.
C. Lester and A. Barr, M T G e n M_{TGen} : Mass scale measurements in pair-production at colliders
Original
2007
Earlier work this paper cites.
H.-C. Cheng and Z. Han, Minimal kinematic constraints and M T 2 M_{T2}
Original
2008
Earlier work this paper cites.
D. R. Tovey, On measuring the masses of pair-produced semi-invisibly decaying particles at hadron colliders
Original
2008
Earlier work this paper cites.
W. S. Cho, K. Choi, Y. G. Kim, and C. B. Park, Measuring the top quark mass with m T 2 m_{T2} at the LHC
Original
2008
Earlier work this paper cites.