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Using these form factors, we calculate the differential decay widths and branching ratios of the $D\\rightarrow a_0(980) e^+ \\nu_e$ semileptonic decays. We obtain ${\\mathcal B}(D^0\\rightarrow a_0^- (980) e^+ \\nu_e)=(4.08^{+1.37}_{-1.22})\\times 10^{-4}$ and ${\\mathcal B}(D^+\\rightarrow a_0^0 (980) e^+ \\nu_e)=(5.40^{+1.78}_{-1.59})\\times 10^{-4}$. The results a"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1706.01019","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-06-04T03:11:47Z","cross_cats_sorted":[],"title_canon_sha256":"a7a813e3a5fe121785279356353002a80f021741509f2c7e6800b02a82893f39","abstract_canon_sha256":"71a196e0debb96c3552a3f06f96dba717c97e5a223ec00bf52849fa6e8ca26fb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:47.388053Z","signature_b64":"+5tMQ36282ZNWABMA3c6jmYqYkEUT1BxiUc7QmyUvvSQ75X2H26FfmR7VVaf52gAJ5rLZpXDNuIiLo9p40u1CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9098a090170446363e127480de394d5c954b501823d6ce0fefb57208c4c91482","last_reissued_at":"2026-05-18T00:36:47.387515Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:47.387515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Study of $\\mathbf{\\boldsymbol{D \\rightarrow a_0 (980) e^+ \\nu_e}}$ decay in the light-cone sum rules approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Bin Wei, Hai-Bo Li, Mao-Zhi Yang, Xiao-Dong Cheng, Yu-Guo Xu","submitted_at":"2017-06-04T03:11:47Z","abstract_excerpt":"Within the QCD light-cone sum rule (LCSR) approach, we investigate the transition form factors of $D\\rightarrow a_0(980)$ up to the twist-3 light-cone distribution amplitudes (LCDAs) of the scalar meson $a_0(980)$ in the two-quark picture. Using these form factors, we calculate the differential decay widths and branching ratios of the $D\\rightarrow a_0(980) e^+ \\nu_e$ semileptonic decays. We obtain ${\\mathcal B}(D^0\\rightarrow a_0^- (980) e^+ \\nu_e)=(4.08^{+1.37}_{-1.22})\\times 10^{-4}$ and ${\\mathcal B}(D^+\\rightarrow a_0^0 (980) e^+ \\nu_e)=(5.40^{+1.78}_{-1.59})\\times 10^{-4}$. 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