{"id":"https://openalex.org/W7223667735","doi":"https://doi.org/10.48550/arxiv.2610.32139","title":"Coupled-channel extension of the effective-range expansion with left-hand cut","display_name":"Coupled-channel extension of the effective-range expansion with left-hand cut","publication_year":2026,"publication_date":"2026-10-23","ids":{"openalex":"https://openalex.org/W7223667735","doi":"https://doi.org/10.48550/arxiv.2610.32139"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.32139","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.32139","pdf_url":"https://arxiv.org/pdf/2610.32139","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/2610.32139","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5159634514","display_name":"Bing Wu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wu, Bing","raw_affiliation_strings":["School of Physics , University of Electronic Science and Technology of China , Chengdu 611731 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics , University of Electronic Science and Technology of China , Chengdu 611731 , China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159591254","display_name":"Wen-Jia Wang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wang, Wen-Jia","raw_affiliation_strings":["School of Physics , University of Electronic Science and Technology of China , Chengdu 611731 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics , University of Electronic Science and Technology of China , Chengdu 611731 , China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159620001","display_name":"Meng-Lin Du","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210131271","display_name":"Institute of Modern Physics","ror":"https://ror.org/03x8rhq63","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210131271"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Du, Meng-Lin","raw_affiliation_strings":["School of Physics , University of Electronic Science and Technology of China , Chengdu 611731 , China","Southern Center for Nuclear-Science Theory (SCNT) , Institute of Modern Physics , Chinese Academy of Sciences , Huizhou 516000 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics , University of Electronic Science and Technology of China , Chengdu 611731 , China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Southern Center for Nuclear-Science Theory (SCNT) , Institute of Modern Physics , Chinese Academy of Sciences , Huizhou 516000 , China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210131271"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159681762","display_name":"Feng-Kun Guo","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guo, Feng-Kun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5074777296","display_name":"Hao-Jie Jing","orcid":"https://orcid.org/0000-0002-3651-5722","observed_orcids":["https://orcid.org/0000-0002-3651-5722"]},"institutions":[{"id":"https://openalex.org/I181877577","display_name":"Shanxi University","ror":"https://ror.org/03y3e3s17","country_code":"CN","type":"education","lineage":["https://openalex.org/I181877577"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing, Hao-Jie","raw_affiliation_strings":["College of Physics and Electronic Engineering , Shanxi University , Taiyuan 030006 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Physics and Electronic Engineering , Shanxi University , Taiyuan 030006 , China","institution_ids":["https://openalex.org/I181877577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"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/T10224","display_name":"Quantum Chromodynamics and Particle Interactions","score":0.6567000150680542,"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/T10224","display_name":"Quantum Chromodynamics and Particle Interactions","score":0.6567000150680542,"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/T10093","display_name":"Nuclear physics research studies","score":0.22110000252723694,"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":0.031300000846385956,"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/effective-range-expansion","display_name":"effective range expansion","score":0.9480000138282776},{"id":"https://openalex.org/keywords/left-hand-cut","display_name":"left-hand cut","score":0.9879999756813049},{"id":"https://openalex.org/keywords/coupled-channel-scattering","display_name":"coupled-channel scattering","score":0.9779999852180481},{"id":"https://openalex.org/keywords/s-wave-scattering","display_name":"s-wave scattering","score":0.8009999990463257},{"id":"https://openalex.org/keywords/lippmann-schwinger-equation","display_name":"Lippmann-Schwinger equation","score":0.8920000195503235},{"id":"https://openalex.org/keywords/two-body-scattering","display_name":"two-body scattering","score":0.75},{"id":"https://openalex.org/keywords/coupling-constants","display_name":"coupling constants","score":0.5009999871253967}],"concepts":[{"id":"https://openalex.org/C202887219","wikidata":"https://www.wikidata.org/wiki/Q3895221","display_name":"Parametrization (atmospheric modeling)","level":3,"score":0.9488999843597412},{"id":"https://openalex.org/C16171025","wikidata":"https://www.wikidata.org/wiki/Q863349","display_name":"Singularity","level":2,"score":0.6552000045776367},{"id":"https://openalex.org/C153013531","wikidata":"https://www.wikidata.org/wiki/Q1322810","display_name":"Scattering amplitude","level":3,"score":0.6198999881744385},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6033999919891357},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.5311999917030334},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.4851999878883362},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.475600004196167},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.47040000557899475},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.4652000069618225},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.40849998593330383},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.38519999384880066},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3125999867916107},{"id":"https://openalex.org/C186080144","wikidata":"https://www.wikidata.org/wiki/Q358733","display_name":"Series expansion","level":2,"score":0.30799999833106995},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.2840999960899353},{"id":"https://openalex.org/C132459708","wikidata":"https://www.wikidata.org/wiki/Q744069","display_name":"Extrapolation","level":2,"score":0.2734000086784363},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.26570001244544983},{"id":"https://openalex.org/C12843","wikidata":"https://www.wikidata.org/wiki/Q201721","display_name":"Gravitational singularity","level":2,"score":0.2637999951839447},{"id":"https://openalex.org/C171018156","wikidata":"https://www.wikidata.org/wiki/Q7370306","display_name":"Rotation formalisms in three dimensions","level":2,"score":0.25119999051094055}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.32139","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.32139","pdf_url":"https://arxiv.org/pdf/2610.32139","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.2610.32139","doi":"https://doi.org/10.48550/arxiv.2610.32139","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.32139","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2610.32139","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.32139","pdf_url":"https://arxiv.org/pdf/2610.32139","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/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7223667735.pdf","grobid_xml":"https://content.openalex.org/works/W7223667735.grobid-xml"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W1970060215","https://openalex.org/W1996354623","https://openalex.org/W2024615219","https://openalex.org/W2038092595","https://openalex.org/W2042133976","https://openalex.org/W2147576464","https://openalex.org/W2520190121","https://openalex.org/W2527988044","https://openalex.org/W2592394038","https://openalex.org/W2898228084","https://openalex.org/W2976304751","https://openalex.org/W3032385618","https://openalex.org/W3154865347","https://openalex.org/W3211031145","https://openalex.org/W4385302875","https://openalex.org/W4385878327","https://openalex.org/W4387168735","https://openalex.org/W4387452929","https://openalex.org/W4392166579","https://openalex.org/W4394750042","https://openalex.org/W4407308830","https://openalex.org/W4410528180","https://openalex.org/W4411367091","https://openalex.org/W4412538645","https://openalex.org/W4415728615","https://openalex.org/W4416000570","https://openalex.org/W7120085063","https://openalex.org/W7127619857"],"related_works":["https://openalex.org/W4410528180","https://openalex.org/W4411367091","https://openalex.org/W7120085063","https://openalex.org/W2036747760","https://openalex.org/W7127619857","https://openalex.org/W1974788918","https://openalex.org/W1995624917","https://openalex.org/W1989556819","https://openalex.org/W1995182543","https://openalex.org/W7134033439"],"abstract_inverted_index":{"We":[0],"generalize":[1],"the":[2,24,28,45,51,59,70,76,87,94,99,107],"recently":[3],"proposed":[4],"effective-range":[5],"expansion":[6,83],"with":[7,90],"a":[8,18],"left-hand":[9,53],"cut":[10,54],"[Phys.":[11],"Rev.":[12],"Lett.":[13],"135,":[14],"011903":[15],"(2025)]":[16],"to":[17],"coupled-channel":[19,30,46,95,115],"framework.":[20],"By":[21],"systematically":[22],"analyzing":[23],"singularity":[25],"structure":[26],"of":[27,44,106],"$S$-wave":[29],"one-particle":[31],"exchange":[32],"(OPE)":[33],"potential":[34],"under":[35],"various":[36],"mass":[37],"configurations,":[38],"we":[39,65],"derive":[40],"an":[41,63],"analytical":[42],"parametrization":[43,68,96],"scattering":[47,116],"amplitude":[48],"that":[49],"incorporates":[50],"OPE":[52],"for":[55,113],"multiple":[56],"channels.":[57],"Taking":[58],"two-channel":[60],"case":[61],"as":[62],"illustration,":[64],"benchmark":[66],"this":[67],"against":[69],"Lippmann--Schwinger":[71],"equation":[72],"(LSE)":[73],"by":[74],"comparing":[75],"amplitudes":[77],"and":[78,102],"their":[79],"inverses":[80],"at":[81,86],"different":[82],"orders.":[84],"Even":[85],"lowest":[88],"order,":[89],"only":[91],"six":[92],"parameters,":[93],"faithfully":[97],"reproduces":[98],"LSE":[100],"results":[101],"enables":[103],"precise":[104],"extraction":[105],"coupling":[108],"constants,":[109],"demonstrating":[110],"its":[111],"reliability":[112],"two-body":[114],"problems":[117],"involving":[118],"particle":[119],"exchange.":[120]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-10-27T00:00:00"}