van Leeuwen, Robert (2024) From S-matrix theory to strings: Scattering data and the commitment to non-arbitrariness. Studies in History and Philosophy of Science, 104. pp. 130-149. ISSN 0039-3681

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Abstract

The early history of string theory is marked by a shift from strong interaction physics to quantum gravity. The first string models and associated theoretical framework were formulated in the late 1960s and early 1970s in the context of the S-matrix program for the strong interactions. In the mid-1970s, the models were reinterpreted as a potential theory unifying the four fundamental forces. This paper provides a historical analysis of how string theory was developed out of S-matrix physics, aiming to clarify how modern string theory, as a theory detached from experimental data, grew out of an S-matrix program that was strongly dependent upon observable quantities. Surprisingly, the theoretical practice of physicists already turned away from experiment before string theory was recast as a potential unified quantum gravity theory. With the formulation of dual resonance models (the "hadronic string theory"), physicists were able to determine almost all of the models' parameters on the basis of theoretical reasoning. It was this commitment to "non-arbitrariness", i.e., a lack of free parameters in the theory, that initially drove string theorists away from experimental input, and not the practical inaccessibility of experimental data in the context of quantum gravity physics. This is an important observation when assessing the role of experimental data in string theory.

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Item Type:	Published Article or Volume
Creators:	Creators Email ORCID van Leeuwen, Robert r.a.vanleeuwen@uva.nl 0000-0002-3346-9919
Keywords:	history of string theory; S-matrix theory; duality; non-arbitrariness; bootstrap
Subjects:	Specific Sciences > Physics > Fields and Particles General Issues > History of Science Case Studies Specific Sciences > Physics > Quantum Gravity Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Relativity Theory General Issues > Theory/Observation
Depositing User:	Robert van Leeuwen
Date Deposited:	21 Apr 2024 00:14
Last Modified:	21 Apr 2024 00:14
Item ID:	23305
Journal or Publication Title:	Studies in History and Philosophy of Science
Publisher:	Elsevier
DOI or Unique Handle:	https://doi.org/10.1016/j.shpsa.2023.12.011
Subjects:	Specific Sciences > Physics > Fields and Particles General Issues > History of Science Case Studies Specific Sciences > Physics > Quantum Gravity Specific Sciences > Physics > Quantum Field Theory Specific Sciences > Physics > Relativity Theory General Issues > Theory/Observation
Date:	April 2024
Page Range:	pp. 130-149
Volume:	104
ISSN:	0039-3681
URI:	https://philsci-archive.pitt.edu/id/eprint/23305

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• From S-matrix theory to strings: Scattering data and the commitment to non-arbitrariness. (deposited 12 Mar 2024 03:50)
  • From S-matrix theory to strings: Scattering data and the commitment to non-arbitrariness. (deposited 21 Apr 2024 00:14) [Currently Displayed]

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