Literature Guide (Cornell MT2)

Literature Guide

Welcome to the Cornell MT2 wiki. This is a collection of annotated references for transverse mass-like variables in collider physics. Members are encouraged to keep the wiki updated with new papers and helpful comments on other papers. We hope to provide a rough guide through the literature for ourselves.

Note: currently the wiki is open for all readers, but only invited users may contribute. This may change in the future if we feel that access needs to be restricted. For any questions/comments/access requests, please contact Flip at pt267@cornell.edu.

Accumulated Notes, Collections

Notes from Flip's Oct 09 talk at the BSM Journal Club is available online here. I tried to provide a 'big picture' introduction with lots of references to papers that helped me get stated.
Library of MT2: http://www.hep.phy.cam.ac.uk/~lester/mt2/index.html

Contains MT2 algorithms and a literature guide

Introductory Reading

Original paper MT2, Lester and Summers. "Measuring masses of semi-invisibly decaying particles pair produced at hadron colliders" http://arxiv.org/abs/hep-ph/9906349
Lester et al, "Title: m_T2 : the truth behind the glamour," http://arxiv.org/abs/hep-ph/0304226

Example and mathematical properties

KAIST, "Gluino Stransverse Mass," http://arxiv.org/abs/0709.0288

Application of MT2 to a particular model and first observation of kink

Modern Papers

Cheng and Han, "Minimal Kinematic Constraints and MT2," http://arxiv.org/abs/0810.5178

Re-definition of MT2 to the kinematic boundary

Barr, Gripaios, Lester, "Transverse masses and kinematic constraints: from the boundary to the crease." http://arxiv.org/abs/0908.3779

Re-examination of MT2 including definition with respect to boundary (thangs to Cheng and Han)
This is the "modern" interpretation of MT2, including its definition and the kink structure.

KAIST, "Measuring superparticle masses at hadron collider using the transverse mass kink," http://arxiv.org/abs/0711.452

Papers

Application to real systems

KAIST, "Measuring the top quark mass with m_T2 at the LHC," http://arxiv.org/abs/0804.2185
CDF Note 9679, seems to do the top quark analysis. Now on the arXiv: http://arxiv.org/abs/0911.2956

Talks with summaries

Cheng, Planck 09, "Invisible Particle Mass Determinations at Hadron Colliders, http://www.pd.infn.it/planck09/Talks/Cheng.pdf
Lester, IPMU 08, "Weighing Wimps with Kinks at Colliders," http://www.ipmu.jp/seminars/lhc08/IPMU9lester.pdf
KAIST conference, see Gripaios session: http://workshop.kias.re.kr/hepph09dm/frame1.htm

Gripaios's talk at KAIST in 3 September 2009 based on the "from the boundary to the crease" paper is particularly nice

Other MT2-like transverse variables

MTGen

Lester and Barr, "MTGEN : Mass scale measurements in pair-production at colliders," http://arxiv.org/abs/0708.1028

MCT

Matchev et al, "A general method for determining the masses of semi-invisibly decaying particles at hadron colliders," http://arxiv.org/abs/0910.1584

Non-MT2 Kinematics

Kinematic Constraints

Kinematic Constraints are a bit of an offshoot of the MT2 paradigm (i.e. a separate method to determine spectra in a model-independent way). See the HC Cheng and Z Han paper on Minimal Kinematic Constraints above.

Original kinematic endpoints: http://arxiv.org/abs/hep-ph/9907518
Cheng et. al. Description of the whole process, "Mass Determination in SUSY-like Events with Missing Energy," link: http://arxiv.org/abs/0707.0030
Cheng et. al. big picture, longer but easier to understand. "Accurate Mass Determinations in Decay Chains with Missing Energy: II," http://arxiv.org/abs/0905.1344

Cusps

Tao Han et al. "Title: Kinematic Cusps: Determining the Missing Particle Mass at the LHC," http://arxiv.org/abs/0906.5009

Other

Bisst, Lu. "Improving SUSY Spectrum Determinations at the LHC with Wedgebox and Hidden Threshold Techniques," http://arxiv.org/abs/0806.2492