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Measurements of B → D ¯ Ds0∗+ (2317) decay rates and a search for isospin partners of the Ds0∗+ (2317)

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Title
Measurements of B → D ¯ Ds0∗+ (2317) decay rates and a search for isospin partners of the Ds0∗+ (2317)
Author(s)
Choi S.-K.; Stephen Lars Olsen; Abdesselam A.; Adachi I.; Aihara H.; Arinstein K.; Asner D.M.; Aushev T.; Ayad R.; Babu V.; Badhrees I.; Bakich A.M.; Barberio E.; Bhardwaj V.; Bhuyan B.; Bonvicini G.; Bozek A.; Bracko M.; Browder T.E.; Cervenkov D.; Chen A.; Cheon B.G.; Chilikin K.; Chistov R.; Cho K.; Chobanova V.; Choi Y.; Cinabro D.; Dalseno J.; Danilov M.; Dolezal Z.; Drasal Z.; Drutskoy A.; Dutta D.; Eidelman S.; Farhat H.; Fast J.E.; Ferber T.; Fulsom B.G.; Gaur V.; Gabyshev N.; Garmash A.; Getzkow D.; Gillard R.; Glattauer R.; Goh Y.M.; Golob B.; Haba J.; Hara T.; Hayasaka K.; Hayashii H.; He X.H.; Horiguchi T.; Hou W.-S.; Iijima T.; Inami K.; Inguglia G.; Ishikawa A.; Itoh R.; Iwasaki Y.; Jaegle I.; Joffe D.; Julius T.; Kang K.H.; Kato E.; Katrenko P.; Kawasaki T.; Kim B.H.; Kim D.Y.; Kim H.J.; Kim J.B.; Kim J.H.; Kim K.T.; Kim S.H.; Kim Y.J.; Kinoshita K.; Ko B.R.; Kodys P.; Korpar S.; Krizan P.; Krokovny P.; Kumita T.; Kuzmin A.; Kwon Y.-J.; Lange J.S.; Lee I.S.; Lewis P.; Li H.; Li Gioi L.; Libby J.; Lukin P.; Matvienko D.; Miyabayashi K.; Miyata H.; Mizuk R.; Mohanty G.B.; Moll A.; Moon H.K.; Mori T.; Mussa R.; Nakano E.; Nakao M.; Nanut T.; Natkaniec Z.; Nayak M.; Nisar N.K.; Nishida S.; Ogawa S.; Okuno S.; Pakhlov P.; Pakhlova G.; Pal B.; Park C.W.; Park H.; Pedlar T.K.; Pesantez L.; Pestotnik R.; Petric M.; Piilonen L.E.; Ribezl E.; Ritter M.; Rostomyan A.; Ryu S.; Sakai Y.; Sandilya S.; Santelj L.; Sanuki T.; Sato Y.; Savinov V.; Schneider O.; Schnell G.; Schwanda C.; Senyo K.; Sevior M.E.; Shapkin M.; Shebalin V.; Shen C.P.; Shibata T.-A.; Shiu J.-G.; Shwartz B.; Sibidanov A.; Simon F.; Sohn Y.-S.; Sokolov A.; Solovieva E.; Staric M.; Steder M.; Tamponi U.; Tanaka S.; Tanida K.; Teramoto Y.; Trusov V.; Uchida M.; Uglov T.; Unno Y.; Uno S.; Urquijo P.; Usov Y.; Van Hulse C.; Vanhoefer P.; Varner G.; Vinokurova A.; Vorobyev V.; Vossen A.; Wagner M.N.; Wang C.H.; Wang M.-Z.; Wang X.L.; Watanabe Y.; Williams K.M.; Won E.; Yashchenko S.; Zhang Z.P.; Zhilich V.; Zhulanov V.; Zupanc A.
Publication Date
2015-05
Journal
PHYSICAL REVIEW D, v.91, no.9, pp.092011 -
Publisher
AMER PHYSICAL SOC
Abstract
We report improved measurements of the product branching fractions B(B+→D¯0Ds0∗+(2317))×B(Ds0∗+(2317)→Ds+π0)=(8.0-1.2+1.3±1.1±0.4)×10-4 and B(B0→D-Ds0∗+(2317))×B(Ds0∗+(2317)→Ds+π0)=(10.2-1.2+1.3±1.0±0.4)×10-4, where the first errors are statistical, the second are systematic and the third are from D and Ds+ branching fractions. In addition, we report negative results from a search for hypothesized neutral (z0) and doubly charged (z++) isospin partners of the Ds0∗+(2317) and provide upper limits on the product branching fractions B(B0→D0z0)×B(z0→Ds+π-) and B(B+→D0z++)×B(z++→Ds+π+) that are more than an order of magnitude smaller than theoretical expectations for the hypotheses that the Ds0∗+(2317) is a member of an isospin triplet. The analysis uses a 711fb-1 data sample containing 772 million BB¯-meson pairs collected at the γ(4S) resonance in the Belle detector at the KEKB collider. © 2015 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/2037
DOI
10.1103/PhysRevD.91.092011
ISSN
2470-0010
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > Journal Papers (저널논문)
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