{"id":"https://openalex.org/W7220955134","doi":"https://doi.org/10.48550/arxiv.2610.08860","title":"Gravitational scattering amplitudes in collinear and high-energy limits","display_name":"Gravitational scattering amplitudes in collinear and high-energy limits","publication_year":2026,"publication_date":"2026-10-05","ids":{"openalex":"https://openalex.org/W7220955134","doi":"https://doi.org/10.48550/arxiv.2610.08860"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.08860","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.08860","pdf_url":"https://arxiv.org/pdf/2610.08860","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2610.08860","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5157930238","display_name":"Lorenzo Pietrini","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Pietrini, Lorenzo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5157930238"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10025","display_name":"Black Holes and Theoretical Physics","score":0.5249000191688538,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10025","display_name":"Black Holes and Theoretical Physics","score":0.5249000191688538,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10048","display_name":"Particle physics theoretical and experimental studies","score":0.45339998602867126,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10224","display_name":"Quantum Chromodynamics and Particle Interactions","score":0.004000000189989805,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/gravitational-scattering-amplitudes","display_name":"gravitational scattering amplitudes","score":0.9980000257492065},{"id":"https://openalex.org/keywords/high-energy-limit","display_name":"high-energy limit","score":0.6990000009536743},{"id":"https://openalex.org/keywords/collinear-limit","display_name":"collinear limit","score":0.968999981880188},{"id":"https://openalex.org/keywords/multi-regge-kinematics","display_name":"multi-Regge kinematics","score":0.9700000286102295},{"id":"https://openalex.org/keywords/impact-factor","display_name":"impact factor","score":0.6330000162124634},{"id":"https://openalex.org/keywords/mhv-amplitudes","display_name":"MHV amplitudes","score":0.8889999985694885},{"id":"https://openalex.org/keywords/bcfw-recursion","display_name":"BCFW recursion","score":0.7599999904632568},{"id":"https://openalex.org/keywords/unitarity-cuts","display_name":"unitarity cuts","score":0.6850000023841858},{"id":"https://openalex.org/keywords/classical-scattering","display_name":"classical scattering","score":0.42399999499320984}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8919000029563904},{"id":"https://openalex.org/C153013531","wikidata":"https://www.wikidata.org/wiki/Q1322810","display_name":"Scattering amplitude","level":3,"score":0.722000002861023},{"id":"https://openalex.org/C130044071","wikidata":"https://www.wikidata.org/wiki/Q103585","display_name":"Graviton","level":3,"score":0.6765999794006348},{"id":"https://openalex.org/C130295795","wikidata":"https://www.wikidata.org/wiki/Q3550684","display_name":"Unitarity","level":2,"score":0.6736999750137329},{"id":"https://openalex.org/C190330329","wikidata":"https://www.wikidata.org/wiki/Q190035","display_name":"Gravitational wave","level":2,"score":0.5956000089645386},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.5737000107765198},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.5712000131607056},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.5081999897956848},{"id":"https://openalex.org/C124017977","wikidata":"https://www.wikidata.org/wiki/Q11412","display_name":"Gravitation","level":2,"score":0.4887000024318695},{"id":"https://openalex.org/C39927690","wikidata":"https://www.wikidata.org/wiki/Q11197","display_name":"Logarithm","level":2,"score":0.47620001435279846},{"id":"https://openalex.org/C54937798","wikidata":"https://www.wikidata.org/wiki/Q2024141","display_name":"Massless particle","level":2,"score":0.4668999910354614},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.439300000667572},{"id":"https://openalex.org/C2778409180","wikidata":"https://www.wikidata.org/wiki/Q17105514","display_name":"Resummation","level":3,"score":0.42149999737739563},{"id":"https://openalex.org/C107165499","wikidata":"https://www.wikidata.org/wiki/Q1366833","display_name":"Rapidity","level":3,"score":0.38530001044273376},{"id":"https://openalex.org/C3079626","wikidata":"https://www.wikidata.org/wiki/Q234881","display_name":"Quantum electrodynamics","level":1,"score":0.3562000095844269},{"id":"https://openalex.org/C168773036","wikidata":"https://www.wikidata.org/wiki/Q264164","display_name":"Recursion (computer science)","level":2,"score":0.351500004529953},{"id":"https://openalex.org/C2780688901","wikidata":"https://www.wikidata.org/wiki/Q255371","display_name":"LIGO","level":3,"score":0.3433000147342682},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.3382999897003174},{"id":"https://openalex.org/C74902906","wikidata":"https://www.wikidata.org/wiki/Q1190858","display_name":"Radiative transfer","level":2,"score":0.3377000093460083},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.3353999853134155},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.33309999108314514},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.3260999917984009},{"id":"https://openalex.org/C2776249927","wikidata":"https://www.wikidata.org/wiki/Q1437700","display_name":"Form factor (electronics)","level":2,"score":0.3149999976158142},{"id":"https://openalex.org/C197067312","wikidata":"https://www.wikidata.org/wiki/Q1137903","display_name":"Light cone","level":2,"score":0.28200000524520874},{"id":"https://openalex.org/C207297109","wikidata":"https://www.wikidata.org/wiki/Q15605","display_name":"Cosmic microwave background","level":3,"score":0.2800999879837036},{"id":"https://openalex.org/C181830111","wikidata":"https://www.wikidata.org/wiki/Q214850","display_name":"Gauge theory","level":2,"score":0.27090001106262207},{"id":"https://openalex.org/C67105901","wikidata":"https://www.wikidata.org/wiki/Q903737","display_name":"Scattering theory","level":3,"score":0.26570001244544983},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.26409998536109924},{"id":"https://openalex.org/C1924353","wikidata":"https://www.wikidata.org/wiki/Q1042929","display_name":"Elastic scattering","level":3,"score":0.26350000500679016},{"id":"https://openalex.org/C37196565","wikidata":"https://www.wikidata.org/wiki/Q4118602","display_name":"Scattering length","level":3,"score":0.2603999972343445}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.08860","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.08860","pdf_url":"https://arxiv.org/pdf/2610.08860","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2610.08860","doi":"https://doi.org/10.48550/arxiv.2610.08860","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.08860","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2610.08860","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.08860","pdf_url":"https://arxiv.org/pdf/2610.08860","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322510","display_name":"Sapienza Universit\u00e0 di Roma","ror":"https://ror.org/02be6w209"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7220955134.pdf","grobid_xml":"https://content.openalex.org/works/W7220955134.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2902684373","https://openalex.org/W7126217646","https://openalex.org/W7223361154","https://openalex.org/W4416344314","https://openalex.org/W2149614060","https://openalex.org/W3099740726","https://openalex.org/W4239681450","https://openalex.org/W3012427688","https://openalex.org/W4404652769","https://openalex.org/W2951237089"],"abstract_inverted_index":{"In":[0],"this":[1,42],"thesis":[2],"we":[3,140],"study":[4],"the":[5,32,37,57,69,94,104,113,120,126,134,142,157,162,166,171],"high-energy":[6,110,128],"and":[7,14,20,55,80,149,165],"collinear":[8,129],"behaviour":[9],"of":[10,106,125],"gravitational":[11,83],"scattering":[12,19,102],"amplitudes":[13,76],"their":[15],"relation":[16],"to":[17,44,51,92],"classical":[18,151],"radiation":[21],"observables.":[22],"Multi-Regge":[23],"kinematics,":[24],"characterised":[25],"by":[26,132],"a":[27,123,150],"strong":[28],"rapidity":[29],"ordering,":[30],"provides":[31,56],"factorised":[33],"building":[34,60],"blocks":[35,61],"governing":[36],"leading":[38,127],"logarithmic":[39,65],"structure.":[40],"Relaxing":[41],"ordering":[43],"next-to-multi-Regge":[45,70,152],"kinematics":[46],"allows":[47],"two":[48,99],"neighbouring":[49],"particles":[50],"have":[52],"comparable":[53],"rapidities":[54],"real":[58],"emission":[59,105],"entering":[62],"at":[63],"next-to-leading":[64],"accuracy.":[66],"We":[67,86],"extract":[68],"impact":[71,116],"factor":[72,117],"from":[73],"tree-level":[74],"MHV":[75],"for":[77,98],"pure":[78],"gravitons":[79],"derive":[81],"its":[82,146],"splitting":[84],"functions.":[85],"then":[87],"use":[88],"BCFW":[89],"recursion":[90],"relations":[91],"reconstruct":[93],"five-point":[95],"tree":[96],"amplitude":[97],"massive":[100,114],"scalars":[101],"with":[103],"one":[107],"graviton.":[108],"Its":[109],"limit":[111,164],"yields":[112],"scalar--graviton":[115],"and,":[118],"through":[119],"KMOC":[121],"formalism,":[122],"representation":[124],"waveform.":[130],"Finally,":[131],"sewing":[133],"relevant":[135],"vertices":[136],"across":[137],"unitarity":[138],"cuts,":[139],"construct":[141],"elastic":[143],"\\(H\\)":[144,159],"kernel,":[145],"radiative":[147],"extension":[148],"kernel.":[153],"The":[154],"latter":[155],"reproduces":[156],"standard":[158],"kernel":[160],"in":[161,170],"multi-Regge":[163],"universal":[167],"Weinberg":[168],"current":[169],"soft":[172],"limit.":[173]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-10-09T00:00:00"}
