Scattering Amplitudes and BCFW in $\mathcal{N}=2^*$ Theory - INSPIRE

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Scattering Amplitudes and BCFW in $\mathcal{N}=2^*$ Theory

Md. Abhishek
(
- Harish-Chandra Res. Inst. and
- HBNI, Mumbai
)
,
Subramanya Hegde
(
- Harish-Chandra Res. Inst. and
- HBNI, Mumbai
)
,
Dileep P. Jatkar
(
- Harish-Chandra Res. Inst. and
- HBNI, Mumbai
)
,
Arnab Priya Saha
(
- IISER, Bhopal
)

Feb 24, 2022

Published in:

SciPost Phys. 13 (2022) 1, 008,
SciPost Phys. 13 (2022) 008

Published: Jul 25, 2022

e-Print:

2202.12204 [hep-th]

DOI:

10.21468/SciPostPhys.13.1.008

View in:

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Abstract: (SciPost Fundation)

We use massive spinor helicity formalism to study scattering amplitudes in

\mathcal{N}=2^*

super-Yang-Mills theory in four dimensions. We compute the amplitudes at an arbitrary point in the Coulomb branch of this theory. We compute amplitudes using projection from

\mathcal{N}=4

theory and write three point amplitudes in a convenient form using special kinematics. We then compute four point amplitudes by carrying out massive BCFW shifts of the amplitudes. We find some of the shifted amplitudes have a pole at

z=\infty

. Taking the residue at

z=\infty

into account ensures little group covariance of the final result.

Note:

Elaborating the introduction and some sections. Two references are added. Some typos are corrected

dimension: 4
spinor: helicity
spinor: massive
scattering amplitude
Coulomb
covariance
pole
kinematics
supersymmetry

References(33)

Figures(0)

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Scattering Amplitudes and BCFW in $\mathcal{N}=2^*$ Theory

Md. Abhishek
(
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- HBNI, Mumbai
)
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Subramanya Hegde
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- HBNI, Mumbai
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