{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:58:26Z","timestamp":1760151506585,"version":"build-2065373602"},"reference-count":74,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2022,3,14]],"date-time":"2022-03-14T00:00:00Z","timestamp":1647216000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>We summarize recent results regarding single and double soft theorems of two different particles named dilatons, the Nambu-Goldstone boson of the spontaneously broken conformal field theories and the massless scalar particle of the closed string theories. Similarities and differences between the soft theorems of these two particles are discussed as well as their connections with the symmetries of the theories.<\/jats:p>","DOI":"10.3390\/sym14030574","type":"journal-article","created":{"date-parts":[[2022,3,15]],"date-time":"2022-03-15T02:56:20Z","timestamp":1647312980000},"page":"574","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Soft-Theorems for Scalar Particles: The Dilatons Story"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6557-246X","authenticated-orcid":false,"given":"Raffaele","family":"Marotta","sequence":"first","affiliation":[{"name":"Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Complesso Universitario di Monte S. Angelo ed. 6, Via Cintia, 80126 Napoli, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,3,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1428","DOI":"10.1103\/PhysRev.96.1428","article-title":"Scattering of light of very low frequency by systems of spin 1\/2","volume":"96","author":"Low","year":"1954","journal-title":"Phys. Rev."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"974","DOI":"10.1103\/PhysRev.110.974","article-title":"Bremsstrahlung of very low-energy quanta in elementary particle collisions","volume":"110","author":"Low","year":"1958","journal-title":"Phys. Rev."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1433","DOI":"10.1103\/PhysRev.96.1433","article-title":"Scattering of low-energy photons by particles of spin 1\/2","volume":"96","author":"Goldberger","year":"1954","journal-title":"Phys. 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