Observation of the decays B →Σc(2455) Ξ-c and B0→Σc(2455)0Ξ0c

M Abumusabh; I Adachi; L Aggarwal; H Ahmed; Y Ahn; H Aihara; N Akopov; S Alghamdi; M Alhakami; A Aloisio; N Althubiti; K Amos; NA Ky; DM Asner; H Atmacan; T Aushev; V Aushev; R Ayad; V Babu; H Bae; NK Baghel; S Bahinipati; P Bambade; S Banerjee; M Barrett; M Bartl; J Baudot; A Baur; A Beaubien; F Becherer; J Becker; JV Bennett; FU Bernlochner; V Bertacchi; M Bertemes; E Bertholet; M Bessner; S Bettarini; V Bhardwaj; B Bhuyan; F Bianchi; D Biswas; A Bobrov; D Bodrov; A Bondar; G Bonvicini; J Borah; A Boschetti; A Bozek; M Bračko; P Branchini; RA Briere; TE Browder; A Budano; S Bussino; Q Campagna; M Campajola; L Cao; G Casarosa; C Cecchi; MC Chang; P Cheema; L Chen; BG Cheon; K Chilikin; J Chin; K Chirapatpimol; HE Cho; K Cho; SJ Cho; SK Choi; S Choudhury; L Corona; JX Cui; E De La Cruz-Burelo; SA De La Motte; G De Nardo; G De Pietro; R de Sangro; M Destefanis; S Dey; A Di Canto; J Dingfelder; Z Doležal; ID Jiménez; TV Dong; X Dong; M Dorigo; K Dugic; G Dujany; P Ecker; D Epifanov; J Eppelt; R Farkas; P Feichtinger; T Ferber; T Fillinger; C Finck; G Finocchiaro; F Forti

Journal article

Observation of the decays B →Σc(2455) Ξ-c and B0→Σc(2455)0Ξ0c

M Abumusabh, I Adachi, L Aggarwal, H Ahmed, Y Ahn, H Aihara, N Akopov, S Alghamdi, M Alhakami, A Aloisio, N Althubiti, K Amos, NA Ky, DM Asner, H Atmacan, T Aushev, V Aushev, R Ayad, V Babu, H Bae Show all

Physical Review D | American Physical Society (APS) | Published : 2025

DOI: 10.1103/2fhj-8vyx

Abstract

We report the first observation of the two-body baryonic decays B+ → Σc(2455)++¯Ξc− and B0 → Σc(2455)0¯Ξ0c with significances of 7.3σ and 6.2σ, respectively, including statistical and systematic uncertainties. The branching fractions are measured to be B(B+ → Σc(2455)++¯Ξ−c) =(5.74 ± 1.11 ± 0.42+2.47−1.53)× 10−4 and B(B0 → Σc(2455)0¯Ξ0c) = (4.83 ± 1.12 ± 0.37+0.72−0.60) × 10−4. The first and second uncertainties are statistical and systematic, respectively, while the third ones arise from the absolute branching fractions of ¯Ξ−c or ¯Ξ0c decays. The data samples used for this analysis have integrated luminosities of 711 fb−1 and 365 fb−1, and were collected at the ϒ(4S) resonance by the Belle..

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