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BibTex format

@article{de:2018:10.1007/JHEP03(2018)011,
author = {de, Rham C and Melville, S and Tolley, AJ and Zhou, S-Y},
doi = {10.1007/JHEP03(2018)011},
journal = {Journal of High Energy Physics},
title = {UV complete me: positivity bounds for particles with spin},
url = {http://dx.doi.org/10.1007/JHEP03(2018)011},
volume = {2018},
year = {2018}
}

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TY  - JOUR
AB  - For a low energy effective theory to admit a standard local, unitary, analytic and Lorentz-invariant UV completion, its scattering amplitudes must satisfy certain inequalities. While these bounds are known in the forward limit for real polarizations, any extension beyond this for particles with nonzero spin is subtle due to their non-trivial crossing relations. Using the transversity formalism (i.e. spin projections orthogonal to the scattering plane), in which the crossing relations become diagonal, these inequalities can be derived for 2-to-2 scattering between any pair of massive particles, for a complete set of polarizations at and away from the forward scattering limit. This provides a set of powerful criteria which can be used to restrict the parameter space of any effective field theory, often considerably more so than its forward limit subset alone.
AU  - de,Rham C
AU  - Melville,S
AU  - Tolley,AJ
AU  - Zhou,S-Y
DO  - 10.1007/JHEP03(2018)011
PY  - 2018///
SN  - 1029-8479
TI  - UV complete me: positivity bounds for particles with spin
T2  - Journal of High Energy Physics
UR  - http://dx.doi.org/10.1007/JHEP03(2018)011
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000426797700001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/67513
VL  - 2018
ER  -

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