Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for Λc+→nK+π0, Σ0K+π0 and ΛK+π0

Standard

Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for Λc+→nK+π0, Σ0K+π0 and ΛK+π0. / BESIII Collaboration ; Николаев, Иван Борисович ; Мучной, Николай Юрьевич.

In: Physical Review D, Vol. 109, No. 5, 052001, 06.03.2024.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{ccd7116b42174d8f8e02829db5a27ff0,

title = "Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for Λc+→nK+π0, Σ0K+π0 and ΛK+π0",

abstract = "The Cabbibo-favored decay Λc+→Ξ0K+π0 is studied for the first time using 6.1 fb-1 of e+e- collision data at center-of-mass energies between 4.600 and 4.840 GeV, collected with the BESIII detector at the BEPCII collider. With a double-tag method, the branching fraction of the three-body decay Λc+→Ξ0K+π0 is measured to be (7.79±1.46±0.95)×10-3, where the first and second uncertainties are statistical and systematic, respectively. The branching fraction of the two-body decay Λc+→Ξ(1530)0K+ is (5.99±1.04±0.32)×10-3, which is consistent with the previous result of (5.02±0.99±0.31)×10-3. In addition, the upper limit on the branching fraction of the doubly Cabbibo-suppressed decay Λc+→nK+π0 is 7.1×10-4 at the 90% confidence level. The upper limits on the branching fractions of Λc+→ς0K+π0 and ΛK+π0 are also determined to be 1.8×10-3 and 2.0×10-3, respectively. ",

author = "{BESIII Collaboration} and M. Ablikim and M. n. Achasov and P. Adlarson and O. Afedulidis and X. c. Ai and R. Aliberti and A. Amoroso and M. r. An and Q. An and Y. Bai and O. Bakina and I. Balossino and Y. Ban and V. Batozskaya and K. Begzsuren and N. Berger and M. Berlowski and M. Bertani and D. Bettoni and F. Bianchi and E. Bianco and A. Bortone and R. a. Briere and A. Brueggemann and H. Cai and X. Cai and A. Calcaterra and Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",

year = "2024",

month = mar,

day = "6",

doi = "10.1103/PhysRevD.109.052001",

language = "English",

volume = "109",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "5",

}

RIS

TY - JOUR

T1 - Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for Λc+→nK+π0, Σ0K+π0 and ΛK+π0

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. n.

AU - Adlarson, P.

AU - Afedulidis, O.

AU - Ai, X. c.

AU - Aliberti, R.

AU - Amoroso, A.

AU - An, M. r.

AU - An, Q.

AU - Bai, Y.

AU - Bakina, O.

AU - Balossino, I.

AU - Ban, Y.

AU - Batozskaya, V.

AU - Begzsuren, K.

AU - Berger, N.

AU - Berlowski, M.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

AU - Bianco, E.

AU - Bortone, A.

AU - Briere, R. a.

AU - Brueggemann, A.

AU - Cai, H.

AU - Cai, X.

AU - Calcaterra, A.

AU - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

PY - 2024/3/6

Y1 - 2024/3/6

N2 - The Cabbibo-favored decay Λc+→Ξ0K+π0 is studied for the first time using 6.1 fb-1 of e+e- collision data at center-of-mass energies between 4.600 and 4.840 GeV, collected with the BESIII detector at the BEPCII collider. With a double-tag method, the branching fraction of the three-body decay Λc+→Ξ0K+π0 is measured to be (7.79±1.46±0.95)×10-3, where the first and second uncertainties are statistical and systematic, respectively. The branching fraction of the two-body decay Λc+→Ξ(1530)0K+ is (5.99±1.04±0.32)×10-3, which is consistent with the previous result of (5.02±0.99±0.31)×10-3. In addition, the upper limit on the branching fraction of the doubly Cabbibo-suppressed decay Λc+→nK+π0 is 7.1×10-4 at the 90% confidence level. The upper limits on the branching fractions of Λc+→ς0K+π0 and ΛK+π0 are also determined to be 1.8×10-3 and 2.0×10-3, respectively.

AB - The Cabbibo-favored decay Λc+→Ξ0K+π0 is studied for the first time using 6.1 fb-1 of e+e- collision data at center-of-mass energies between 4.600 and 4.840 GeV, collected with the BESIII detector at the BEPCII collider. With a double-tag method, the branching fraction of the three-body decay Λc+→Ξ0K+π0 is measured to be (7.79±1.46±0.95)×10-3, where the first and second uncertainties are statistical and systematic, respectively. The branching fraction of the two-body decay Λc+→Ξ(1530)0K+ is (5.99±1.04±0.32)×10-3, which is consistent with the previous result of (5.02±0.99±0.31)×10-3. In addition, the upper limit on the branching fraction of the doubly Cabbibo-suppressed decay Λc+→nK+π0 is 7.1×10-4 at the 90% confidence level. The upper limits on the branching fractions of Λc+→ς0K+π0 and ΛK+π0 are also determined to be 1.8×10-3 and 2.0×10-3, respectively.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85187494206&origin=inward&txGid=535cc3baa18c67e44ce7cf31b11928fa

U2 - 10.1103/PhysRevD.109.052001

DO - 10.1103/PhysRevD.109.052001

M3 - Article

VL - 109

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 5

M1 - 052001

ER -

ID: 62717506