{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T16:09:17Z","timestamp":1788970157625,"version":"build-2803163510"},"reference-count":38,"publisher":"American Physical Society (APS)","issue":"11","license":[{"start":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T00:00:00Z","timestamp":1788912000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["journals.aps.org"],"crossmark-restriction":true},"short-container-title":["Phys. Rev. Lett."],"accepted":{"date-parts":[[2026,8,18]]},"abstract":"<jats:p>\n                    We show that the infinite tower of hard exclusive amplitudes in holographic light-front QCD leads to a spectral generator\n                    <a:math xmlns:a=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <a:mi>G<\/a:mi>\n                      <a:mo stretchy=\"false\">(<\/a:mo>\n                      <a:mi>\u03b1<\/a:mi>\n                      <a:mo>,<\/a:mo>\n                      <a:mi>\u03bb<\/a:mi>\n                      <a:mo stretchy=\"false\">)<\/a:mo>\n                    <\/a:math>\n                    that encodes the full Regge spectrum. The construction assumes a Poisson distribution of Fock-state components, where\n                    <e:math xmlns:e=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <e:mi>\u03bb<\/e:mi>\n                    <\/e:math>\n                    represents the average parton multiplicity above the valence configuration. The resulting generator yields a Regge spectrum invariant under continuous\n                    <g:math xmlns:g=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <g:mi>\u03bb<\/g:mi>\n                    <\/g:math>\n                    deformations. Its even- and odd-twist projections yield the meson and baryon form factors with a single value of\n                    <i:math xmlns:i=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <i:mi>\u03bb<\/i:mi>\n                    <\/i:math>\n                    , fixed by the pion charge radius, which in turn determines the full\n                    <k:math xmlns:k=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <k:msup>\n                        <k:mi>Q<\/k:mi>\n                        <k:mn>2<\/k:mn>\n                      <\/k:msup>\n                    <\/k:math>\n                    dependence. The constituent counting rules for both sectors follow from the structure of the spectral generator, which also provides a compact analytic representation of parton distributions.\n                  <\/jats:p>","DOI":"10.1103\/55pw-29c6","type":"journal-article","created":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T12:23:54Z","timestamp":1787055834000},"update-policy":"https:\/\/doi.org\/10.1103\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Regge Spectral Generator and Form Factors from Hard Exclusive Amplitudes in Holographic QCD"],"prefix":"10.1103","volume":"137","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6035-7050","authenticated-orcid":true,"given":"Guy F.","family":"de T\u00e9ramond","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02yzgww51","id-type":"ROR","asserted-by":"publisher"}],"name":"Universidad de Costa Rica"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8786-3172","authenticated-orcid":true,"given":"Stanley J.","family":"Brodsky","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05gzmn429","id-type":"ROR","asserted-by":"publisher"}],"name":"SLAC National Accelerator Laboratory"},{"id":[{"id":"https:\/\/ror.org\/00f54p054","id-type":"ROR","asserted-by":"publisher"}],"name":"Stanford University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9230-2721","authenticated-orcid":true,"given":"Hans G\u00fcnter","family":"Dosch","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/038t36y30","id-type":"ROR","asserted-by":"publisher"}],"name":"Institut f\u00fcr Theoretische Physik der Universit\u00e4t"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"16","published-online":{"date-parts":[[2026,9,9]]},"reference":[{"key":"55pw-29c6Cc1R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.22.2157","type":"journal-article"},{"key":"55pw-29c6Cc2R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.31.1153","type":"journal-article"},{"key":"55pw-29c6Cc3R1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02777988","type":"journal-article"},{"key":"55pw-29c6Cc4R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.88.031601","type":"journal-article"},{"key":"55pw-29c6Cc5R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.96.201601","type":"journal-article"},{"key":"55pw-29c6Cc6R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.102.081601","type":"journal-article"},{"key":"55pw-29c6Cc7R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.24.181","type":"journal-article"},{"key":"55pw-29c6Cc8R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.24.1206","type":"journal-article"},{"key":"55pw-29c6Cc9R1","first-page":"040","type":"journal-article","volume":"2026","author":"G.\u2009F. de T\u00e9ramond","journal-title":"Proc. Sci.","ISSN":"https:\/\/id.crossref.org\/issn\/1824-8039","issn-type":"print"},{"key":"55pw-29c6Cc10R1","doi-asserted-by":"publisher","DOI":"10.1016\/j.physrep.2015.05.001","type":"journal-article"},{"key":"55pw-29c6Cc11R1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02785666","type":"journal-article"},{"key":"55pw-29c6Cc12R1","doi-asserted-by":"publisher","DOI":"10.1016\/0550-3213(84)90422-X","type":"journal-article"},{"key":"55pw-29c6Cc13R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.91.085016","type":"journal-article"},{"key":"55pw-29c6Cc14R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.91.045040","type":"journal-article"},{"key":"55pw-29c6Cc15R1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jspc.2026.100339","type":"journal-article"},{"key":"55pw-29c6Cc16R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.98.114004","type":"journal-article"},{"key":"55pw-29c6Cc17R1","doi-asserted-by":"publisher","DOI":"10.1088\/1126-6708\/2003\/05\/012","type":"journal-article"},{"key":"55pw-29c6Cc18R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.76.095007","type":"journal-article"},{"key":"55pw-29c6Cc20R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.120.182001","type":"journal-article"},{"key":"55pw-29c6Cc21R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.104.114005","type":"journal-article"},{"key":"55pw-29c6Cc22R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.74.015005","type":"journal-article"},{"key":"55pw-29c6Cc23R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRev.166.1768","type":"journal-article"},{"key":"55pw-29c6Cc24R1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02824451","type":"journal-article"},{"key":"55pw-29c6Cc25R1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02756239","type":"journal-article"},{"key":"55pw-29c6Cc26R1","doi-asserted-by":"publisher","DOI":"10.1016\/0550-3213(70)90359-7","type":"journal-article"},{"key":"55pw-29c6Cc27R1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02818763","type":"journal-article"},{"key":"55pw-29c6Cc28R1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02755475","type":"journal-article"},{"key":"55pw-29c6Cc29R1","doi-asserted-by":"publisher","DOI":"10.1016\/S0370-1573(97)00089-6","type":"journal-article"},{"key":"55pw-29c6Cc30R1","first-page":"008","type":"journal-article","volume":"2011","author":"S.\u2009J. Brodsky","journal-title":"Proc. Sci.","ISSN":"https:\/\/id.crossref.org\/issn\/1824-8039","issn-type":"print"},{"key":"55pw-29c6Cc31R1","doi-asserted-by":"publisher","DOI":"10.1016\/j.physrep.2014.09.005","type":"journal-article"},{"key":"55pw-29c6Cc32R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.110.030001","type":"journal-article"},{"key":"55pw-29c6Cc33R1","doi-asserted-by":"publisher","DOI":"10.1016\/0550-3213(86)90437-2","type":"journal-article"},{"key":"55pw-29c6Cc34R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevC.78.058201","type":"journal-article"},{"key":"55pw-29c6Cc35R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevC.78.045203","type":"journal-article"},{"key":"55pw-29c6Cc36R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.10.2973","type":"journal-article"},{"key":"55pw-29c6Cc37R1","doi-asserted-by":"publisher","DOI":"10.1103\/7311-kdbj","type":"journal-article"},{"key":"55pw-29c6Cc38R1","doi-asserted-by":"publisher","DOI":"10.1088\/1751-8113\/42\/30\/304012","type":"journal-article"},{"key":"55pw-29c6Cc39R1","volume-title":"Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables","author":"M. Abramowitz","year":"1965","type":"book"}],"container-title":["Physical Review Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.aps.org\/article\/10.1103\/55pw-29c6","content-type":"unspecified","content-version":"vor","intended-application":"syndication"},{"URL":"http:\/\/harvest.aps.org\/v2\/journals\/articles\/10.1103\/55pw-29c6\/fulltext","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T15:21:40Z","timestamp":1788967300000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.aps.org\/doi\/10.1103\/55pw-29c6"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9,9]]},"references-count":38,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2026,9]]}},"URL":"https:\/\/doi.org\/10.1103\/55pw-29c6","relation":{"has-preprint":[{"id-type":"doi","id":"10.48550\/arXiv.2603.23818","asserted-by":"subject"}]},"ISSN":["0031-9007","1079-7114"],"issn-type":[{"value":"0031-9007","type":"print"},{"value":"1079-7114","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,9,9]]},"assertion":[{"value":"2026-03-29","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"Published by the American Physical Society. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright_statement","label":"Copyright statement","group":{"name":"copyright","label":"copyright"}},{"value":"2026","name":"copyright_year","label":"Copyright year","group":{"name":"copyright","label":"copyright"}},{"value":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/","name":"creative_commons_license","label":"Creative Commons license","group":{"name":"licenses","label":"Licenses"}},{"value":"\u00a92026 The authors","name":"copyright_holder","label":"Copyright holder","group":{"name":"copyright","label":"copyright"}}],"article-number":"111903"}}