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Color Fields on the Light-Shell · Around

2010

Color Fields on the Light-Shell

Georgi, Howard, Kestin, Greg, Sajjad, Aqil

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We study the classical color radiation from very high energy collisions that produce colored particles.

In the extreme high energy limit, the classical color fields are confined to a light-shell expanding at $c$ and are associated with a non-linear $\sigma$-model on the 2D light-shell with specific symmetry breaking terms.
We argue that the quantum version of this picture exhibits asymptotic freedom and may be a useful starting point for an effective light-shell theory of the structure between the jets at a very high energy collider.

Built on

A. M. Polyakov, “Interaction of Goldstone Particles in Two-Dimensions. Applications to Ferromagnets and Massive Yang-Mills Fields,” Phys. Lett
1975
Earlier work this paper cites.
P. B. Wiegmann, “ON THE THEORY OF NONABELIAN GOLDSTONE BOSONS IN TWO- DIMENSIONS: EXACT SOLUTION OF THE O(3) NONLINEAR sigma MODEL,” Phys. Lett
1984
Earlier work this paper cites.
E. Purcell, “Electricity and Magnetism, 2nd Edition, McGraw Hill: New York, 1985,”
1985
Earlier work this paper cites.

Similar

L. D. McLerran and R. Venugopalan, “Computing quark and gluon distribution functions for very large nuclei,” Phys. Rev
1994
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T. Adamo, E. Casali, and D. Skinner, “Perturbative gravity at null infinity,” Class. Quant. Grav
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2014
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T. Adamo and E. Casali, “Perturbative gauge theory at null infinity,” Phys. Rev
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H. L. Verlinde and E. P. Verlinde, “QCD at high-energies and two-dimensional field theory,” arXiv:hep-th/9302104 [hep-th]
Cited in the paper.
T. He, P. Mitra, and A. Strominger, “2D Kac-Moody Symmetry of 4D Yang-Mills Theory,” arXiv:1503.02663 [hep-th]
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Cited in the paper.
S. Pasterski, “Asymptotic Symmetries and Electromagnetic Memory,” arXiv:1505.00716 [hep-th]
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Cited in the paper.
H. Georgi, G. Kestin, and A. Sajjad, “Towards an Effective Field Theory on the Light-Shell,” arXiv:1401.7667 [hep-ph]
Original
Cited in the paper.
H. Georgi, G. Kestin, and A. Sajjad, “The Photon Propagator in Light-Shell Gauge,” arXiv:1312.1741 [hep-ph]
Original
Cited in the paper.

Then

M. Campiglia and A. Laddha, “Asymptotic symmetries of QED and Weinbergs soft photon theorem,” JHEP
Original
2015
Closest in time.
H. Georgi, G. Kestin, and A. Sajjad, “Radiative Corrections in Light-Shell Effective Theory,” in preparation
Original
2016
Closest in time.

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