Recent astrophysical and terrestrial experiments have motivated the proposal of a dark sector with GeV-scale gauge boson force carriers and new Higgs bosons. We present a search for a dark Higgs boson using 516 fb(-1) of data collected with the BABAR detector. We do not observe a significant signal and we set 90% confidence level upper limits on the product of the standard model-dark-sector mixing angle and the dark-sector coupling constant.
Recent astrophysical and terrestrial experiments have motivated the proposal of a dark sector with GeV-scale gauge boson force carriers and new Higgs bosons. We present a search for a dark Higgs boson using 516 fb(-1) of data collected with the BABAR detector. We do not observe a significant signal and we set 90% confidence level upper limits on the product of the standard model-dark-sector mixing angle and the dark-sector coupling constant.
Authors: R Aaij; C Abellán Beteta; B Adeva; M Adinolfi; C A Aidala; Z Ajaltouni; S Akar; P Albicocco; J Albrecht; F Alessio; M Alexander; A Alfonso Albero; G Alkhazov; P Alvarez Cartelle; A A Alves; S Amato; S Amerio; Y Amhis; L An; L Anderlini; G Andreassi; M Andreotti; J E Andrews; R B Appleby; F Archilli; P d'Argent; J Arnau Romeu; A Artamonov; M Artuso; K Arzymatov; E Aslanides; M Atzeni; B Audurier; S Bachmann; J J Back; S Baker; V Balagura; W Baldini; A Baranov; R J Barlow; S Barsuk; W Barter; F Baryshnikov; V Batozskaya; B Batsukh; V Battista; A Bay; J Beddow; F Bedeschi; I Bediaga; A Beiter; L J Bel; S Belin; N Beliy; V Bellee; N Belloli; K Belous; I Belyaev; E Ben-Haim; G Bencivenni; S Benson; S Beranek; A Berezhnoy; R Bernet; D Berninghoff; E Bertholet; A Bertolin; C Betancourt; F Betti; M O Bettler; M van Beuzekom; Ia Bezshyiko; S Bhasin; J Bhom; S Bifani; P Billoir; A Birnkraut; A Bizzeti; M Bjørn; M P Blago; T Blake; F Blanc; S Blusk; D Bobulska; V Bocci; O Boente Garcia; T Boettcher; A Bondar; N Bondar; S Borghi; M Borisyak; M Borsato; F Bossu; M Boubdir; T J V Bowcock; C Bozzi; S Braun; M Brodski; J Brodzicka; A Brossa Gonzalo; D Brundu; E Buchanan; A Buonaura; C Burr; A Bursche; J Buytaert; W Byczynski; S Cadeddu; H Cai; R Calabrese; R Calladine; M Calvi; M Calvo Gomez; A Camboni; P Campana; D H Campora Perez; L Capriotti; A Carbone; G Carboni; R Cardinale; A Cardini; P Carniti; L Carson; K Carvalho Akiba; G Casse; L Cassina; M Cattaneo; G Cavallero; R Cenci; D Chamont; M G Chapman; M Charles; Ph Charpentier; G Chatzikonstantinidis; M Chefdeville; V Chekalina; C Chen; S Chen; S-G Chitic; V Chobanova; M Chrzaszcz; A Chubykin; P Ciambrone; X Cid Vidal; G Ciezarek; P E L Clarke; M Clemencic; H V Cliff; J Closier; V Coco; J A B Coelho; J Cogan; E Cogneras; L Cojocariu; P Collins; T Colombo; A Comerma-Montells; A Contu; G Coombs; S Coquereau; G Corti; M Corvo; C M Costa Sobral; B Couturier; G A Cowan; D C Craik; A Crocombe; M Cruz Torres; R Currie; C D'Ambrosio; 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M S Rangel; F Ratnikov; G Raven; M Ravonel Salzgeber; M Reboud; F Redi; S Reichert; A C Dos Reis; F Reiss; C Remon Alepuz; Z Ren; V Renaudin; S Ricciardi; S Richards; K Rinnert; P Robbe; A Robert; A B Rodrigues; E Rodrigues; J A Rodriguez Lopez; M Roehrken; S Roiser; A Rollings; V Romanovskiy; A Romero Vidal; M Rotondo; M S Rudolph; T Ruf; J Ruiz Vidal; J J Saborido Silva; N Sagidova; B Saitta; V Salustino Guimaraes; C Sanchez Gras; C Sanchez Mayordomo; B Sanmartin Sedes; R Santacesaria; C Santamarina Rios; M Santimaria; E Santovetti; G Sarpis; A Sarti; C Satriano; A Satta; M Saur; D Savrina; S Schael; M Schellenberg; M Schiller; H Schindler; M Schmelling; T Schmelzer; B Schmidt; O Schneider; A Schopper; H F Schreiner; M Schubiger; M H Schune; R Schwemmer; B Sciascia; A Sciubba; A Semennikov; E S Sepulveda; A Sergi; N Serra; J Serrano; L Sestini; A Seuthe; P Seyfert; M Shapkin; Y Shcheglov; T Shears; L Shekhtman; V Shevchenko; E Shmanin; B G Siddi; R Silva Coutinho; L Silva de Oliveira; 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