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2013

N-Point Tree-Level Scattering Amplitude in the New Berkovits' String

Gomez, Humberto, Yuan, Ellis Ye

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We give a proof by direct computation that at tree level, the twistor-like superstring theory in the pure spinor formalism proposed very recently by Berkovits describes ten-dimensional N=1 super Yang-Mills in its heterotic version, and type II supergravity in its type II version.

The Yang-Mills case agrees with the result obtained by Mafra, Schlotterer, Stieberger and Tsimpis.
When restricting to gluon and graviton scattering, this new theory gives rise to Cachazo-He-Yuan formula.

N-Point Tree-Level Scattering Amplitude in the New Berkovits' String · Around

Built on

N. Berkovits, Super Poincare Covariant Quantization of the Superstring
2000
Earlier work this paper cites.
E. Witten, Perturbative Gauge Theory as a String Theory in Twistor Space
2004
Earlier work this paper cites.
R. Roiban, M. Spradlin, and A. Volovich, On the Tree Level S Matrix of Yang-Mills Theory
2004
Earlier work this paper cites.
N. Berkovits, An Alternative String Theory in Twistor Space for N=4 Super Yang-Mills
2004
Earlier work this paper cites.
Z. Bern, J. Carrasco, and H. Johansson, New Relations for Gauge-Theory Amplitudes
Original
2008
Earlier work this paper cites.

Similar

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C. R. Mafra, O. Schlotterer, S. Stieberger, and D. Tsimpis, A Recursive Method for SYM N-Point Tree Amplitudes
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F. Cachazo and D. Skinner, Gravity from Rational Curves in Twistor Space
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F. Cachazo, S. He, and E. Y. Yuan, Scattering of Massless Particles in Arbitrary Dimension
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F. Cachazo and Y. Geyer, A ’Twistor String’ Inspired Formula For Tree-Level Scattering Amplitudes in N=8 SUGRA
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L. Mason and D. Skinner, Ambitwistor Strings and the Scattering Equations
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N. Berkovits, Infinite Tension Limit of the Pure Spinor Superstring
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F. Cachazo, Fundamental BCJ Relation in N=4 SYM from the Connected Formulation
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Then

F. Cachazo, S. He, and E. Y. Yuan, Scattering in Three Dimensions from Rational Maps
Original
2013
Closest in time.
C. R. Mafra, O. Schlotterer, and S. Stieberger, Complete N-Point Superstring Disk Amplitude I. Pure Spinor Computation
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2013
Closest in time.
C. R. Mafra, O. Schlotterer, and S. Stieberger, Complete N-Point Superstring Disk Amplitude II. Amplitude and Hypergeometric Function Structure
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2013
Closest in time.
J. Broedel, O. Schlotterer, and S. Stieberger, Polylogarithms, Multiple Zeta Values and Superstring Amplitudes
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2013
Closest in time.

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