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Here we report the $^{185/187}$Re nuclear quadrupole resonance (NQR) measurements on Re$_6$Zr ($T_c$ = 6.72 K) and the isostructural compounds Re$_{27}$Zr$_{5}$ ($T_c$ = 6.53 K) and Re$_{24}$Zr$_{5}$ ($T_c$ = 5.00 K). The nuclear spin-lattice relaxation rate $1/T_1$ shows a coherence peak below $T_c$ and decreases exponentially at low temperatures in all three samples. The superconducting gap $\\Delta$ derived from the $1/T_1$ data is"},"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":"1612.02520","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-12-08T03:25:44Z","cross_cats_sorted":[],"title_canon_sha256":"ae235fa6f35a96b50f8ce43ebd576dc2bf88ba2cb65d7175fd7617238969c992","abstract_canon_sha256":"30c7b3d3ed86b6ba68d2fd8739688dc4e687ef3ac7ff856ac1aaf978d303cbe9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:08.659559Z","signature_b64":"LMp8nkb0NraOxJunhO+8X2L+HT+YGz3u5X3sm5v5tyfHh4eyHfhTygZ4EIm0mhMiJuenu7fLozBYfmJJy66eBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4f752fb79e7998c3ac13a5f6a67bd55fcda9a85e4a5e3cd84521630e1179ae6","last_reissued_at":"2026-05-18T00:54:08.659181Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:08.659181Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Full-gap superconductivity in non-centrosymmetric Re$_6$Zr, Re$_{27}$Zr$_{5}$ and Re$_{24}$Zr$_{5}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Guo-qing Zheng, K. Matano, R. Yatagai, S. Maeda","submitted_at":"2016-12-08T03:25:44Z","abstract_excerpt":"Non-centrosymmetric superconductor Re$_6$Zr has attracted much interest, for its possible unconventional superconducting state with time reversal symmetry broken. Here we report the $^{185/187}$Re nuclear quadrupole resonance (NQR) measurements on Re$_6$Zr ($T_c$ = 6.72 K) and the isostructural compounds Re$_{27}$Zr$_{5}$ ($T_c$ = 6.53 K) and Re$_{24}$Zr$_{5}$ ($T_c$ = 5.00 K). The nuclear spin-lattice relaxation rate $1/T_1$ shows a coherence peak below $T_c$ and decreases exponentially at low temperatures in all three samples. 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