학술논문

Measurement of branching fractions of Λ c + $$ {\Lambda}_{\textrm{c}}^{+} $$ decays to Σ+K+K − , Σ+ ϕ and Σ+K+ π − (π 0)
Document Type
article
Author
The BESIII collaborationM. AblikimM. N. AchasovP. AdlarsonR. AlibertiA. AmorosoM. R. AnQ. AnY. BaiO. BakinaI. BalossinoY. BanV. BatozskayaK. BegzsurenN. BergerM. BerlowskiM. BertaniD. BettoniF. BianchiE. BiancoJ. BlomsA. BortoneI. BoykoR. A. BriereA. BrueggemannH. CaiX. CaiA. CalcaterraG. F. CaoN. CaoS. A. CetinJ. F. ChangT. T. ChangW. L. ChangG. R. CheG. ChelkovC. ChenChao ChenG. ChenH. S. ChenM. L. ChenS. J. ChenS. M. ChenT. ChenX. R. ChenX. T. ChenY. B. ChenY. Q. ChenZ. J. ChenW. S. ChengS. K. ChoiX. ChuG. CibinettoS. C. CoenF. CossioJ. J. CuiH. L. DaiJ. P. DaiA. DbeyssiR. E. de BoerD. DedovichZ. Y. DengA. DenigI. DenysenkoM. DestefanisF. De MoriB. DingY. DingJ. DongL. Y. DongM. Y. DongX. DongS. X. DuZ. H. DuanP. EgorovY. L. FanJ. FangS. S. FangW. X. FangY. FangR. FarinelliL. FavaF. FeldbauerG. FeliciC. Q. FengJ. H. FengK. FischerM. FritschC. FritzschC. D. FuY. W. FuH. GaoY. N. GaoYang GaoS. GarbolinoI. GarziaP. T. GeZ. W. GeC. GengE. M. GersabeckA. GilmanK. GoetzenL. GongW. X. GongW. GradlS. GramignaM. GrecoM. H. GuY. T. GuC. Y. GuanZ. L. GuanA. Q. GuoL. B. GuoR. P. GuoY. P. GuoA. GuskovX. T. HouW. Y. HanX. Q. HaoF. A. HarrisK. K. HeK. L. HeF. H. HeinsiusC. H. HeinzY. K. HengC. HeroldT. HoltmannP. C. HongG. Y. HouY. R. HouZ. L. HouH. M. HuJ. F. HuT. HuY. HuG. S. HuangK. X. HuangL. Q. HuangX. T. HuangY. P. HuangT. HussainN. HüskenW. ImoehlM. IrshadJ. JacksonS. JaegerS. JanchivJ. H. JeongQ. JiQ. P. JiX. B. JiX. L. JiY. Y. JiZ. K. JiaP. C. JiangS. S. JiangT. J. JiangX. S. JiangY. JiangJ. B. JiaoZ. JiaoS. JinY. JinM. Q. JingT. JohanssonX. KuiS. KabanaN. Kalantar-NayestanakiX. L. KangX. S. KangR. KappertM. KavatsyukB. C. KeA. KhoukazR. KiuchiR. KliemtL. KochO. B. KolcuB. KopfM. KuessnerA. KupscW. KühnJ. J. LaneJ. S. LangeP. LarinA. LavaniaL. LavezziT. T. LeiZ. H. LeiH. LeithoffM. LellmannT. LenzC. LiC. H. LiCheng LiD. M. LiF. LiG. LiH. LiH. B. LiH. J. LiH. N. LiHui LiJ. R. LiJ. S. LiJ. W. LiKe LiL. J. LiL. K. LiLei LiM. H. LiP. R. LiS. X. LiT. LiW. D. LiW. G. LiX. H. LiX. L. LiXiaoyu LiY. G. LiZ. J. LiZ. X. LiZ. Y. LiC. LiangH. LiangY. F. LiangY. T. LiangG. R. LiaoL. Z. LiaoJ. LibbyA. LimphiratD. X. LinT. LinB. J. LiuB. X. LiuC. LiuC. X. LiuD. LiuF. H. LiuFang LiuFeng LiuG. M. LiuH. LiuH. B. LiuH. M. LiuHuanhuan LiuHuihui LiuJ. B. LiuJ. L. LiuJ. Y. LiuK. LiuK. Y. LiuKe LiuL. LiuL. C. LiuLu LiuM. H. LiuP. L. LiuQ. LiuS. B. LiuT. LiuW. K. LiuW. M. LiuX. LiuY. LiuY. B. LiuZ. A. LiuZ. Q. LiuX. C. LouF. X. LuH. J. LuJ. G. LuX. L. LuY. LuY. P. LuZ. H. LuC. L. LuoM. X. LuoT. LuoX. L. LuoX. R. LyuY. F. LyuF. C. MaH. L. MaJ. L. MaL. L. MaM. M. MaQ. M. MaR. Q. MaR. T. MaX. Y. MaY. MaF. E. MaasM. MaggioraS. MaldanerS. MaldeA. MangoniY. J. MaoZ. P. MaoS. MarcelloZ. X. MengJ. G. MesschendorpG. MezzadriH. MiaoT. J. MinR. E. MitchellX. H. MoN. Yu. MuchnoiY. NefedovF. NerlingI. B. NikolaevZ. NingS. NisarY. NiuS. L. OlsenQ. OuyangS. PacettiX. PanY. PanA. PathakP. PatteriY. P. PeiM. PelizaeusH. P. PengK. PetersJ. L. PingR. G. PingS. PluraS. PogodinV. PrasadF. Z. QiH. QiH. R. QiM. QiT. Y. QiS. QianW. B. QianC. F. QiaoJ. J. QinL. Q. QinX. P. QinX. S. QinZ. H. QinJ. F. QiuS. Q. QuC. F. RedmerK. J. RenA. RivettiV. RodinM. RoloG. RongCh. RosnerS. N. RuanN. SaloneA. SarantsevY. SchelhaasK. SchoenningM. ScodeggioK. Y. ShanW. ShanX. Y. ShanJ. F. ShangguanL. G. ShaoM. ShaoC. P. ShenH. F. ShenW. H. ShenX. Y. ShenB. A. ShiH. C. ShiJ. L. ShiJ. Y. ShiQ. Q. ShiR. S. ShiX. ShiJ. J. SongT. Z. SongW. M. SongY. J. SongY. X. SongS. SosioS. SpataroF. StielerY. J. SuG. B. SunG. X. SunH. SunH. K. SunJ. F. SunK. SunL. SunS. S. SunT. SunW. Y. SunY. SunY. J. SunY. Z. SunZ. T. SunY. X. TanC. J. TangG. Y. TangJ. TangY. A. TangL. Y. TaoQ. T. TaoM. TatJ. X. TengV. ThorenW. H. TianY. TianZ. F. TianI. UmanB. WangB. L. WangBo WangC. W. WangD. Y. WangF. WangH. J. WangH. P. WangK. WangL. L. WangM. WangMeng WangS. WangT. WangT. J. WangW. WangW. H. WangW. P. WangX. WangX. F. WangX. J. WangX. L. WangY. WangY. D. WangY. F. WangY. H. WangY. N. WangY. Q. WangYaqian WangYi WangZ. WangZ. L. WangZ. Y. WangZiyi WangD. WeiD. H. WeiF. WeidnerS. P. WenC. W. WenzelU. WiednerG. WilkinsonM. WolkeL. WollenbergC. WuJ. F. WuL. H. WuL. J. WuX. WuX. H. WuY. WuY. J. WuZ. WuL. XiaX. M. XianT. XiangD. XiaoG. Y. XiaoH. XiaoS. Y. XiaoY. L. XiaoZ. J. XiaoC. XieX. H. XieY. XieY. G. XieY. H. XieZ. P. XieT. Y. XingC. F. XuC. J. XuG. F. XuH. Y. XuQ. J. XuW. L. XuX. P. XuY. C. XuZ. P. XuF. YanL. YanW. B. YanW. C. YanX. Q. YanH. J. YangH. L. YangH. X. YangTao YangY. YangY. F. YangY. X. YangYifan YangM. YeM. H. YeJ. H. YinZ. Y. YouB. X. YuC. X. YuG. YuT. YuX. D. YuC. Z. YuanL. YuanS. C. YuanX. Q. YuanY. YuanZ. Y. YuanC. X. YueA. A. ZafarF. R. ZengX. ZengY. ZengY. J. ZengX. Y. ZhaiY. H. ZhanA. Q. ZhangB. L. ZhangB. X. ZhangD. H. ZhangG. Y. ZhangH. ZhangH. H. ZhangH. Q. ZhangH. Y. ZhangJ. J. ZhangJ. L. ZhangJ. Q. ZhangJ. W. ZhangJ. X. ZhangJ. Y. ZhangJ. Z. ZhangJianyu ZhangJiawei ZhangL. M. ZhangL. Q. ZhangLei ZhangP. ZhangQ. Y. ZhangShuihan ZhangShulei ZhangX. D. ZhangX. M. ZhangX. Y. ZhangY. ZhangY. T. ZhangY. H. ZhangYan ZhangYao ZhangZ. H. ZhangZ. L. ZhangZ. Y. ZhangG. ZhaoJ. ZhaoJ. Y. ZhaoJ. Z. ZhaoLei ZhaoLing ZhaoM. G. ZhaoS. J. ZhaoY. B. ZhaoY. X. ZhaoZ. G. ZhaoA. ZhemchugovB. ZhengJ. P. ZhengW. J. ZhengY. H. ZhengB. ZhongX. ZhongH. ZhouL. P. ZhouX. ZhouX. K. ZhouX. R. ZhouX. Y. ZhouY. Z. ZhouJ. ZhuK. ZhuK. J. ZhuL. ZhuL. X. ZhuS. H. ZhuS. Q. ZhuT. J. ZhuW. J. ZhuY. C. ZhuZ. A. ZhuJ. H. ZouJ. Zu
Source
Journal of High Energy Physics, Vol 2023, Iss 9, Pp 1-21 (2023)
Subject
Charm Physics
e +-e − Experiments
Electroweak Interaction
Flavour Physics
Nuclear and particle physics. Atomic energy. Radioactivity
QC770-798
Language
English
ISSN
1029-8479
13703439
Abstract
Abstract Based on 4.5 fb −1 data taken at seven center-of-mass energies ranging from 4.600 to 4.699 GeV with the BESIII detector at the BEPCII collider, we measure the branching fractions of Λ c + $$ {\Lambda}_c^{+} $$ → Σ+ + hadrons relative to Λ c + $$ {\Lambda}_c^{+} $$ → Σ+ π + π − . Combining with the world average branching fraction of Λ c + $$ {\Lambda}_c^{+} $$ → Σ+ π + π − , their branching fractions are measured to be (0.377 ± 0.042 ± 0.020 ± 0.021)% for Λ c + $$ {\Lambda}_c^{+} $$ → Σ+ K + K − , (0.200 ± 0.023 ± 0.011 ± 0.011)% for Λ c + $$ {\Lambda}_c^{+} $$ → Σ+ K + π − , (0.414 ± 0.080 ± 0.030 ± 0.023)% for Λ c + $$ {\Lambda}_c^{+} $$ → Σ+ ϕ and (0.197 ± 0.036 ± 0.009 ± 0.011)% for Λ c + $$ {\Lambda}_c^{+} $$ → Σ+ K + K − (non-ϕ). In all the above results, the first uncertainties are statistical, the second are systematic and the third are from external input of the branching fraction of Λ c + $$ {\Lambda}_c^{+} $$ → Σ+ π + π − . Since no signal for Λ c + $$ {\Lambda}_c^{+} $$ → Σ+ K + π − π 0 is observed, the upper limit of its branching fraction is determined to be 0.13% at the 90% confidence level.