000889262 001__ 889262 000889262 005__ 20240610121233.0 000889262 0247_ $$2doi$$a10.1103/PhysRevC.101.055502 000889262 0247_ $$2ISSN$$a0556-2813 000889262 0247_ $$2ISSN$$a1089-490X 000889262 0247_ $$2ISSN$$a1538-4497 000889262 0247_ $$2ISSN$$a2469-9985 000889262 0247_ $$2ISSN$$a2469-9993 000889262 0247_ $$2ISSN$$a2470-0002 000889262 0247_ $$2Handle$$a2128/26739 000889262 0247_ $$2altmetric$$aaltmetric:73987757 000889262 0247_ $$2WOS$$aWOS:000530027200005 000889262 037__ $$aFZJ-2021-00167 000889262 082__ $$a530 000889262 1001_ $$0P:(DE-Juel1)131216$$aKrebs, Hermann$$b0$$eCorresponding author 000889262 245__ $$aBox diagram contribution to the axial two-nucleon current 000889262 260__ $$aWoodbury, NY$$bInst.$$c2020 000889262 264_1 $$2Crossref$$3online$$bAmerican Physical Society (APS)$$c2020-05-04 000889262 264_1 $$2Crossref$$3print$$bAmerican Physical Society (APS)$$c2020-05-01 000889262 3367_ $$2DRIVER$$aarticle 000889262 3367_ $$2DataCite$$aOutput Types/Journal article 000889262 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1610471970_22697 000889262 3367_ $$2BibTeX$$aARTICLE 000889262 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000889262 3367_ $$00$$2EndNote$$aJournal Article 000889262 520__ $$aRecently, we have worked out the axial two-nucleon current operator to leading one-loop order in chiral effective field theory using the method of unitary transformation. Our final expressions, however, differ from the ones derived by the JLab-Pisa group using time-ordered perturbation theory [Phys. Rev. C 93, 015501 (2016); Phys. Rev. C 93, 049902(E) (2016); Phys. Rev. C 95, 059901(E) (2017)]. In this paper we consider the box diagram contribution to the axial current and demonstrate that the results obtained using the two methods are unitary equivalent at the Fock-space level. We adjust the unitary phases by matching the corresponding two-pion exchange nucleon-nucleon potentials and rederive the box diagram contribution to the axial current operator following the approach of the JLab-Pisa group, thereby reproducing our original result. We provide a detailed information on the calculation of the box diagram including the relevant intermediate steps in order to facilitate a clarification of this disagreement. 000889262 536__ $$0G:(DE-HGF)POF3-511$$a511 - Computational Science and Mathematical Methods (POF3-511)$$cPOF3-511$$fPOF III$$x0 000889262 536__ $$0G:(GEPRIS)196253076$$aDFG project 196253076 - TRR 110: Symmetrien und Strukturbildung in der Quantenchromodynamik (196253076)$$c196253076$$x1 000889262 542__ $$2Crossref$$i2020-05-04$$uhttps://link.aps.org/licenses/aps-default-license 000889262 588__ $$aDataset connected to CrossRef 000889262 7001_ $$0P:(DE-Juel1)131142$$aEpelbaum, E.$$b1 000889262 7001_ $$0P:(DE-Juel1)131252$$aMeißner, U.-G.$$b2 000889262 77318 $$2Crossref$$3journal-article$$a10.1103/physrevc.101.055502$$bAmerican Physical Society (APS)$$d2020-05-04$$n5$$p055502$$tPhysical Review C$$v101$$x2469-9985$$y2020 000889262 773__ $$0PERI:(DE-600)2844098-5$$a10.1103/PhysRevC.101.055502$$gVol. 101, no. 5, p. 055502$$n5$$p055502$$tPhysical review / C$$v101$$x2469-9985$$y2020 000889262 8564_ $$uhttps://juser.fz-juelich.de/record/889262/files/2001.03904.pdf$$yOpenAccess 000889262 8564_ $$uhttps://juser.fz-juelich.de/record/889262/files/PhysRevC.101.055502.pdf$$yOpenAccess 000889262 909CO $$ooai:juser.fz-juelich.de:889262$$pdnbdelivery$$pdriver$$pVDB$$popen_access$$popenaire 000889262 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)131216$$aForschungszentrum Jülich$$b0$$kFZJ 000889262 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)131142$$aForschungszentrum Jülich$$b1$$kFZJ 000889262 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)131252$$aForschungszentrum Jülich$$b2$$kFZJ 000889262 9131_ $$0G:(DE-HGF)POF3-511$$1G:(DE-HGF)POF3-510$$2G:(DE-HGF)POF3-500$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bKey Technologies$$lSupercomputing & Big Data$$vComputational Science and Mathematical Methods$$x0 000889262 9141_ $$y2020 000889262 915__ $$0StatID:(DE-HGF)0200$$2StatID$$aDBCoverage$$bSCOPUS$$d2020-10-13 000889262 915__ $$0StatID:(DE-HGF)0160$$2StatID$$aDBCoverage$$bEssential Science Indicators$$d2020-10-13 000889262 915__ $$0StatID:(DE-HGF)1230$$2StatID$$aDBCoverage$$bCurrent Contents - 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