Observation of the doubly Cabibbo-suppressed decays D+→ K+π0π0 and D+→ K+π0η

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作者
M. Ablikim
M. N. Achasov
P. Adlarson
S. Ahmed
M. Albrecht
R. Aliberti
A. Amoroso
M. R. An
Q. An
X. H. Bai
Y. Bai
O. Bakina
R. Baldini Ferroli
I. Balossino
Y. Ban
K. Begzsuren
N. Berger
M. Bertani
D. Bettoni
F. Bianchi
J. Bloms
A. Bortone
I. Boyko
R. A. Briere
A. Brueggemann
H. Cai
X. Cai
A. Calcaterra
G. F. Cao
N. Cao
S. A. Cetin
J. F. Chang
W. L. Chang
G. Chelkov
G. Chen
H. S. Chen
M. L. Chen
S. J. Chen
X. R. Chen
Y. B. Chen
Z. J. Chen
W. S. Cheng
G. Cibinetto
F. Cossio
J. J. Cui
H. L. Dai
J. P. Dai
A. Dbeyssi
R. E. de Boer
D. Dedovich
机构
[1] Institute of High Energy Physics,Turkish Accelerator Center Particle Factory Group
[2] Beihang University,Key Laboratory of Nuclear Physics and Ion
[3] Beijing Institute of Petrochemical Technology,beam Application (MOE) and Institute of Modern Physics
[4] Bochum Ruhr-University,State Key Laboratory of Nuclear Physics and Technology
[5] Carnegie Mellon University,School of Physics and Electronics
[6] Central China Normal University,Guangdong Provincial Key Laboratory of Nuclear Science, Institute of Quantum Matter
[7] China Center of Advanced Science and Technology,Frontiers Science Center for Rare Isotopes
[8] COMSATS University Islamabad,Lanzhou Center for Theoretical Physics
[9] Fudan University,Department of Mathematical Sciences
[10] G.I. Budker Institute of Nuclear Physics SB RAS (BINP),undefined
[11] GSI Helmholtzcentre for Heavy Ion Research GmbH,undefined
[12] Guangxi Normal University,undefined
[13] Hangzhou Normal University,undefined
[14] Helmholtz Institute Mainz,undefined
[15] Henan Normal University,undefined
[16] Henan University of Science and Technology,undefined
[17] Henan University of Technology,undefined
[18] Huangshan College,undefined
[19] Hunan Normal University,undefined
[20] Hunan University,undefined
[21] Indian Institute of Technology Madras,undefined
[22] Indiana University,undefined
[23] INFN Laboratori Nazionali di Frascati,undefined
[24] INFN Sezione di Perugia,undefined
[25] University of Perugia,undefined
[26] INFN Sezione di Ferrara,undefined
[27] University of Ferrara,undefined
[28] Institute of Modern Physics,undefined
[29] Institute of Physics and Technology,undefined
[30] Jilin University,undefined
[31] Johannes Gutenberg University of Mainz,undefined
[32] Joint Institute for Nuclear Research,undefined
[33] Justus-Liebig-Universitaet Giessen,undefined
[34] II. Physikalisches Institut,undefined
[35] Lanzhou University,undefined
[36] Liaoning Normal University,undefined
[37] Liaoning University,undefined
[38] Nanjing Normal University,undefined
[39] Nanjing University,undefined
[40] Nankai University,undefined
[41] National Centre for Nuclear Research,undefined
[42] North China Electric Power University,undefined
[43] Peking University,undefined
[44] Qufu Normal University,undefined
[45] Shandong Normal University,undefined
[46] Shandong University,undefined
[47] Shanghai Jiao Tong University,undefined
[48] Shanxi Normal University,undefined
[49] Shanxi University,undefined
[50] Sichuan University,undefined
关键词
Branching fraction; Charm Physics; -; Experiments; Flavour Physics;
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摘要
By analyzing e+e− annihilation data corresponding to an integrated luminosity of 2.93 fb−1 collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we report the first observations of the doubly Cabibbo-suppressed decays D+→ K+π0π0 and D+→ K+π0η. The branching fractions of D+→ K+π0π0 and D+→ K+π0η are measured to be (2.1 ± 0.4stat ± 0.1syst) × 10−4 and (2.1 ± 0.5stat ± 0.1syst) × 10−4 with statistical significances of 8.8σ and 5.5σ, respectively. In addition, we search for the subprocesses D+→ K*(892)+π0 and D+→ K*(892)+η with K*(892)+→ K+π0. The branching fraction of D+→ K*(892)+η is determined to be (4.4−1.5stat+1.8\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {4.4}_{-{1.5}_{\mathrm{stat}}}^{+1.8} $$\end{document}± 0.2syst) × 10−4, with a statistical significance of 3.2σ. No significant signal for D+→ K*(892)+π0 is found and we set an upper limit on the branching fraction of this decay at the 90% confidence level to be 5.4 × 10−4.
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    Cui, X. F.
    Dai, H. L.
    Dai, X. C.
    Dbeyssi, A.
    de Boer, R. E.
    Dedovich, D.
    [J]. PHYSICAL REVIEW D, 2021, 104 (07)
  • [4] Cabibbo-suppressed decays of D+→π+π0,K+(K)over-bar0,K+π0 -: art. no. 071102
    Arms, K
    Eckhart, E
    Gan, KK
    Gwon, C
    Honscheid, K
    Kass, R
    Severini, H
    Skubic, P
    Dytman, SA
    Mueller, JA
    Nam, S
    Savinov, V
    Huang, GS
    Lee, J
    Miller, DH
    Pavlunin, V
    Sanghi, B
    Shibata, EI
    Shipsey, IPJ
    Cronin-Hennessy, D
    Park, CS
    Park, W
    Thayer, JB
    Thorndike, EH
    Coan, TE
    Gao, YS
    Liu, F
    Stroynowski, R
    Artuso, M
    Boulahouache, C
    Blusk, S
    Dambasuren, E
    Dorjkhaidav, O
    Mountain, R
    Muramatsu, H
    Nandakumar, R
    Skwarnicki, T
    Stone, S
    Wang, JC
    Mahmood, AH
    Csorna, SE
    Danko, I
    Bonvicini, G
    Cinabro, D
    Dubrovin, M
    Bornheim, A
    Lipeles, E
    Pappas, SP
    Shapiro, A
    Sun, WM
    [J]. PHYSICAL REVIEW D, 2004, 69 (07):
  • [5] Branching fraction for the doubly-Cabibbo-suppressed decay D+→K+π0
    Dytman, S. A.
    Love, W.
    Savinov, V.
    Aquines, O.
    Li, Z.
    Lopez, A.
    Mehrabyan, S.
    Mendez, H.
    Ramirez, J.
    Huang, G. S.
    Miller, D. H.
    Pavlunin, V.
    Sanghi, B.
    Shipsey, I. P. J.
    Xin, B.
    Adams, G. S.
    Anderson, M.
    Cummings, J. P.
    Danko, I.
    Napolitano, J.
    He, Q.
    Insler, J.
    Muramatsu, H.
    Park, C. S.
    Thorndike, E. H.
    Yang, F.
    Coan, T. E.
    Gao, Y. S.
    Liu, F.
    Artuso, M.
    Blusk, S.
    Butt, J.
    Li, J.
    Menaa, N.
    Mountain, R.
    Nisar, S.
    Randrianarivony, K.
    Redjimi, R.
    Sia, R.
    Skwarnicki, T.
    Stone, S.
    Wang, J. C.
    Zhang, K.
    Csorna, S. E.
    Bonvicini, G.
    Cinabro, D.
    Dubrovin, M.
    Lincoln, A.
    Asner, D. M.
    Edwards, K. W.
    [J]. PHYSICAL REVIEW D, 2006, 74 (07):
  • [6] Measurement of the branching fraction of the doubly Cabibbo-suppressed decay D0 → K+π-π0 and search for D0 → K+π-π0π0
    Ablikim, M.
    Achasov, M. N.
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    Amoroso, A.
    An, M. R.
    An, Q.
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    Bai, Y.
    Bakina, O.
    Ferroli, R. Baldini
    Balossino, I.
    Ban, Y.
    Batozskaya, V.
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    Bertani, M.
    Bettoni, D.
    Bianchi, F.
    Bloms, J.
    Bortone, A.
    Boyko, I.
    Briere, R. A.
    Brueggemann, A.
    Cai, H.
    Cai, X.
    Calcaterra, A.
    Cao, G. F.
    Cao, N.
    Cetin, S. A.
    Chang, J. F.
    Chang, W. L.
    Chelkov, G.
    Chen, C.
    Chen, G.
    Chen, H. S.
    Chen, M. L.
    Chen, S. J.
    Chen, T.
    Chen, X. R.
    Chen, X. T.
    Chen, Y. B.
    Chen, Z. J.
    Cheng, W. S.
    Cibinetto, G.
    Cossio, F.
    Cui, J. J.
    Dai, H. L.
    [J]. PHYSICAL REVIEW D, 2022, 105 (11)
  • [7] Measurement of the D+→π+ π0 and D+→K+ π0 branching fractions
    Aubert, B.
    Barate, R.
    Bona, M.
    Boutigny, D.
    Couderc, F.
    Karyotakis, Y.
    Lees, J. P.
    Poireau, V.
    Tisserand, V.
    Zghiche, A.
    Grauges, E.
    Palano, A.
    Chen, J. C.
    Qi, N. D.
    Rong, G.
    Wang, P.
    Zhu, Y. S.
    Eigen, G.
    Ofte, I.
    Stugu, B.
    Abrams, G. S.
    Battaglia, M.
    Brown, D. N.
    Button-Shafer, J.
    Cahn, R. N.
    Charles, E.
    Gill, M. S.
    Groysman, Y.
    Jacobsen, R. G.
    Kadyk, J. A.
    Kerth, L. T.
    Kolomensky, Yu. G.
    Kukartsev, G.
    Lynch, G.
    Mir, L. M.
    Oddone, P. J.
    Orimoto, T. J.
    Pripstein, M.
    Roe, N. A.
    Ronan, M. T.
    Wenzel, W. A.
    Barrett, M.
    Ford, K. E.
    Harrison, T. J.
    Hart, A. J.
    Hawkes, C. M.
    Morgan, S. E.
    Watson, A. T.
    Goetzen, K.
    Held, T.
    [J]. PHYSICAL REVIEW D, 2006, 74 (01):
  • [8] Observation of the Singly Cabibbo-Suppressed Decay D+ → ωπ+ and Evidence for D0 → ωπ0
    Ablikim, M.
    Achasov, M. N.
    Ai, X. C.
    Albayrak, O.
    Albrecht, M.
    Ambrose, D. J.
    Amoroso, A.
    An, F. F.
    An, Q.
    Bai, J. Z.
    Ferroli, R. Baldini
    Ban, Y.
    Bennett, D. W.
    Bennett, J. V.
    Bertani, M.
    Bettoni, D.
    Bian, J. M.
    Bianchi, F.
    Boger, E.
    Boyko, I.
    Briere, R. A.
    Cai, H.
    Cai, X.
    Cakir, O.
    Calcaterra, A.
    Cao, G. F.
    Cetin, S. A.
    Chang, J. F.
    Chelkov, G.
    Chen, G.
    Chen, H. S.
    Chen, H. Y.
    Chen, J. C.
    Chen, M. L.
    Chen, S.
    Chen, S. J.
    Chen, X.
    Chen, X. R.
    Chen, Y. B.
    Cheng, H. P.
    Chu, X. K.
    Cibinetto, G.
    Dai, H. L.
    Dai, J. P.
    Dbeyssi, A.
    Dedovich, D.
    Deng, Z. Y.
    Denig, A.
    Denysenko, I.
    Destefanis, M.
    [J]. PHYSICAL REVIEW LETTERS, 2016, 116 (08)
  • [9] Study of the doubly and singly Cabibbo suppressed decays D+ → K+π+π- and Ds+ → K+π+π-
    Link, JM
    Yager, PM
    Anjos, JC
    Bediaga, I
    Göbel, C
    Machado, AA
    Magnin, J
    Massafferri, A
    de Miranda, JM
    Pepe, IM
    Polycarpo, E
    dos Reis, AC
    Carrillo, S
    Casimiro, E
    Cuautle, E
    Sánchez-Hernández, A
    Uribe, C
    Vázquez, F
    Agostino, L
    Cinquini, L
    Cumalat, JP
    O'Reilly, B
    Segoni, I
    Stenson, K
    Butler, JN
    Cheung, HWK
    Chiodini, G
    Gaines, I
    Garbincius, PH
    Garren, LA
    Gottschalk, E
    Kasper, PH
    Kreymer, AE
    Kutschke, R
    Wang, M
    Benussi, L
    Bertani, M
    Bianco, S
    Fabbri, FL
    Zallo, A
    Reyes, M
    Cawlfield, C
    Kim, DY
    Rahimi, A
    Wiss, J
    Gardner, R
    Kryemadhi, A
    Chung, YS
    Kang, JS
    Ko, BR
    [J]. PHYSICS LETTERS B, 2004, 601 (1-2) : 10 - 19
  • [10] Measurement of the branching fractions for Cabibbo-suppressed decays D plus -K plus K-π+π0 and D+(s)- K plus π-π+π0 at Belle
    Li, L. K.
    Schwartz, A. J.
    Kinoshita, K.
    Won, E.
    Aihara, H.
    Al Said, S.
    Asner, D. M.
    Atmacan, H.
    Aulchenko, V.
    Aushev, T.
    Ayad, R.
    Babu, V.
    Bahinipati, S.
    Belous, K.
    Bennett, J.
    Bessner, M.
    Bhardwaj, V.
    Bilka, T.
    Bobrov, A.
    Bodrov, D.
    Bonvicini, G.
    Borah, J.
    Bozek, A.
    Bracko, M.
    Branchini, P.
    Browder, T. E.
    Budano, A.
    Campajola, M.
    Cervenkov, D.
    Chang, P.
    Chen, A.
    Cheon, B. G.
    Cho, H. E.
    Cho, K.
    Cho, S. -J.
    Choi, S. -K.
    Choi, Y.
    Choudhury, S.
    Cinabro, D.
    Cunliffe, S.
    Das, S.
    Dash, N.
    De Nardo, G.
    De Pietro, G.
    Dhamija, R.
    Di Capua, F.
    Dolezal, Z.
    Dong, T., V
    Dossett, D.
    Epifanov, D.
    [J]. PHYSICAL REVIEW D, 2023, 107 (03)