Quick Search:
Prog. Theor. Phys. Vol. 116 No. 2 (2006) pp. 363-403
One-Loop Amplitudes in Supersymmetric QCD from MHV Vertices
Hiroshi Kunitomo
Yukawa Institute for Theoretical Physics,
Kyoto University, Kyoto 606-8502, Japan
(Received May 1, 2006)
Abstract:
The Cachazo-Svrcek-Witten (CSW) rule for efficiently calculating
gauge theory amplitudes is extended to N = 1 supersymmetric
QCD (SQCD), incorporating massless quarks, in a manner that preserves
the manifest supersymmetry. Using this extended CSW rule,
we obtain compact expressions for all the one-loop MHV amplitudes
in SQCD including one or two external quark-antiquark
(chiral-antichiral multiplets) pairs. The collinear singularities
of the five-point amplitudes are investigated to confirm
the consistency of the results.
URL :
http://ptp.ipap.jp/link?PTP/116/363/
DOI : 10.1143/PTP.116.363
References:
-
E. Witten, Commun. Math. Phys. 252 (2004), 189[CrossRef];
hep-th/0312171[e-print arXiv].
-
F. Cachazo, P. Svrcek and E. Witten, J. High Energy Phys. 09 (2004), 006[CrossRef];
hep-th/0403047[e-print arXiv].
-
G. Georgiou and V. V. Khoze, J. High Energy Phys. 05 (2004), 070[CrossRef];
hep-th/0404072[e-print arXiv].
-
G. Georgiou, E. W. N. Glover and V. V. Khoze, J. High Energy Phys. 07 (2004), 048[CrossRef];
hep-th/0407027[e-print arXiv].
-
S. D. Badger, E. W. Glover and V. Khoze, J. High Energy Phys. 03 (2005), 023[CrossRef];
hep-th/0412275[e-print arXiv].
-
J.-B. Wu and C.-J. Zhu, J. High Energy Phys. 07 (2004), 032[CrossRef];
hep-th/0406085[e-print arXiv].
-
A. Brandhuber, B. Spence and G. Travaglini, Nucl. Phys. B 706 (2005), 150[CrossRef];
hep-th/0407214[e-print arXiv].
-
J. Bedford, A. Brandhuber, B. Spence and G. Travaglini, Nucl. Phys. B 706 (2005), 100[CrossRef];
hep-th/0410280[e-print arXiv].
-
C. Quigley and M. Rozali, J. High Energy Phys. 01 (2005), 053[IoP STACKS];
hep-th/0410278[e-print arXiv].
-
Z. Bern, L. J. Dixon, D. C. Dunbar and D. A. Kosower, Nucl. Phys. B 425 (1994), 217[CrossRef];
hep-ph/9403226[e-print arXiv].
-
Z. Bern, L. J. Dixon, D. C. Dunbar and D. A. Kosower, Nucl. Phys. B 435 (1995), 59[CrossRef];
hep-ph/9409265[e-print arXiv].
-
J.-B. Wu and C.-J. Zhu, J. High Energy Phys. 09 (2004), 063[CrossRef];
hep-th/0406146[e-print arXiv].
- X. Su and J.-B. Wu, Mod. Phys. Lett. A 20 (2005), 1065;
hep-th/0409228[e-print arXiv].
-
J. Park and S.-J. Rey, J. High Energy Phys. 12 (2004), 017[CrossRef];
hep-th/0411123[e-print arXiv].
-
S. Giombi, M. Kulaxizi, R. Ricci, D. Robles-Llana, D. Trancanelli and K. Zoubos, Nucl. Phys. B 719 (2005), 234[CrossRef];
hep-th/0411171[e-print arXiv].
-
M. L. Mangano and S. J. Parke, Phys. Rep. 200 (1991), 301[CrossRef];
hep-th/0509223[e-print arXiv].
-
J. Bedford, A. Brandhuber, B. Spence and G. Travaglini, Nucl. Phys. B 712 (2005), 59[CrossRef];
hep-th/0412108[e-print arXiv].
- A. Brandhuber, B. Spence and G. Travaglini, From Trees to Loops and Back, QMUL-PH-05-12;
hep-th/0510253[e-print arXiv].
-
Z. Bern and D. A. Kosower, Nucl. Phys. B 379 (1992), 451[CrossRef].
- L. Lewin, Dilogarithms and Associated Functions (Macdonald, 1958).
-
Z. Bern, L. J. Dixon and D. A. Kosower, Nucl. Phys. B 437 (1995), 259[CrossRef];
hep-ph/9409393[e-print arXiv].
- Z. Bern, L. Dixon, D. C. Dunbar and D. A. Kosower, “One Loop Gauge Theory Amplitudes with an Arbitrary Number of External Legs”, Proceedings of the Conference on Continuous Advances in QCD: Theoretical Physics Institute, University of Minnesota, Minneapolis, USA, 18–20 February 1994 (World Scientific, Singapore 1994);
hep-ph/9405248[e-print arXiv].
- Z. Bern, L. J. Dixon and D. A. Kosower, “The Last of the Finite Loop Amplitudes in QCD”, UCLA/05/TEP/15, SLAC-PUB-11134, Saclay/SPhT-T05/058;
hep-ph/0505055[e-print arXiv].
-
G. Passarino and M. J. G. Veltman, Nucl. Phys. B 160 (1979), 151[CrossRef].
