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Scattering Massive ...
Scattering Massive String Resonances through Field-Theory Methods
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- Guillen, Max (author)
- Uppsala universitet,Teoretisk fysik
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- Johansson, Henrik (author)
- Uppsala universitet,Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Nordita SU, Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden,Teoretisk fysik,Stockholm Univ, NORDITA, Hannes Alfvens Vag 12, S-10691 Stockholm, Sweden.;KTH Royal Inst Technol, Hannes Alfvens Vag 12, S-10691 Stockholm, Sweden.
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- Lipinski Jusinskas, R. (author)
- Czech Acad Sci, Inst Phys, Na Slovance 2, Prague 18221, Czech Republic.;CEICO, Na Slovance 2, Prague 18221, Czech Republic.
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- Schlotterer, Oliver (author)
- Uppsala universitet,Teoretisk fysik
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(creator_code:org_t)
- American Physical Society, 2021
- 2021
- English.
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In: Physical Review Letters. - : American Physical Society. - 0031-9007 .- 1079-7114. ; 127:5
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Abstract
Subject headings
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- We present a new method, exact in α′, to explicitly compute string tree-level amplitudes involving one massive state and any number of massless ones. This construction relies on the so-called twisted heterotic string, which admits only gauge multiplets, a gravitational multiplet, and a single massive supermultiplet in its spectrum. In this simplified model, we determine the moduli-space integrand of all amplitudes with one massive state using Berends-Giele currents of the gauge multiplet. These integrands are then straightforwardly mapped to gravitational amplitudes in the twisted heterotic string and to the corresponding massive amplitudes of the conventional type-I and type-II superstrings.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Atomic physics
- Physics
- Field theory
- Heterotic strings
- Moduli space
- Supermultiplet
- Tree level
- Type II
- Gages
Publication and Content Type
- ref (subject category)
- art (subject category)
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