# Thomas C. Mehen

## Associate Professor

## Details

** Radiative Decays of X(3872) in XEFT with Charged Mesons
**

to be submitted to Phys. Rev. D
(2014)

** Heavy Hadron Chiral Perturbation Theory and the New Quarkonium Resonances
**

to be submitted to Prog. Part. Nucl. Phys.
(2014)

** Dynamically Massive Gluons and Hybrid Quarkonium Potentials from AdS/QCD
**

to be submitted to Phys. Rev. D
(2014)

** Production of Stoponium at the LHC
**

Phys. Rev D89:075010
(2014)

** Probing Quarkonium Production Mechanisms with Jet Substructure
**

JHEP 1411 003
(2014)

** Jet Shapes in SCET at the LHC
**

to be submitted to JHEP
(2014)

** Line Shapes for the Z_c(3900) using Effective Field Theory
**

to be be submitted to Phys. Rev. D
(2014)

** Fragmenting Jet Functions with Angularities
**

to be submitted to Phys. Rev. D
(2014)

** Line shapes in Υ(5S)→B(∗)B(∗)π with Z(10610) and Z(10650) using effective field theory
**

Phys. Rev. D88:034017
(2013)

** Anomalous dimensions of the double parton fragmentation functions
**

Phys. Rev. D87:074022
(2013)

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Prof. Thomas Mehen works primarily on Quantum Chromodynamics (QCD) and

the application of effective field theory to problems in hadronic physics.

Effective field theories exploit the symmetries of hadrons to make model

independent predictions when the dynamics of these hadrons are too hard to

solve explicitly. For example, the properties of a hadron containing a

very heavy quark are insensitive to the orientation of the heavy quark

spin. Prof. Mehen has used this heavy quark spin symmetry to make

predictions for the production and decay of heavy mesons and quarkonia at

collider experiments. Another example is the chiral symmetry of QCD which

is a consequence of the lightness of the up and down quarks. The

implications of this symmetry for the force between nucleons is a subject

of Prof. Mehen's research. Prof. Mehen has also worked on effective field

theory for nonrelativistic particles whose short range interactions are

characterized by a large scattering length. This theory has been

successfully applied to low energy two- and three-body nuclear processes.

Some of Prof. Mehen's work is interdisciplinary. For example, techniques

developed for nuclear physics have been used to calculate three-body

corrections to the energy density of a Bose-Einstein condensate whose

atoms have large scattering lengths. Prof. Mehen has also worked on novel

field theories which arise from unusual limits of string theory. Examples

include noncommutative field theories and theories of tachyonic modes on

non-BPS branes.

**Education:**

Ph.D. - Johns Hopkins University

M.A. - Johns Hopkins University

B.S. - University of Virginia

** Nucleon-Nucleon Effective Field Theory at NNLO: Radiation Pions and $^1S_0$ Phase Shift
**

In Proceedings of the INT Workshop on Nuclear Physics with Effective Field Theory edited by P. Bedaque, M. Savage, R. Seki, U. L. Van Kolck. ; : World Scientific.

** Leptoproduction of $J/\Psi$
**

In Proceedings of the 29th International Conference on High Energy Physics (ICHEP 98) edited by A. Astbury, D. Axen, J. Robinson. ; : World Scientific.