Standard

Study of the light scalar a0(980) through the decay D0→a0(980)−e+νe with a0(980)−→ηπ−. / BESIII Collaboration ; Николаев, Иван Борисович; Мучной, Николай Юрьевич.

In: Physical Review D, Vol. 111, No. 9, 091501, 06.05.2025.

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

Harvard

BESIII Collaboration, Николаев, ИБ & Мучной, НЮ 2025, 'Study of the light scalar a0(980) through the decay D0→a0(980)−e+νe with a0(980)−→ηπ−', Physical Review D, vol. 111, no. 9, 091501. https://doi.org/10.1103/PhysRevD.111.L091501

APA

BESIII Collaboration, Николаев, И. Б., & Мучной, Н. Ю. (2025). Study of the light scalar a0(980) through the decay D0→a0(980)−e+νe with a0(980)−→ηπ−. Physical Review D, 111(9), [091501]. https://doi.org/10.1103/PhysRevD.111.L091501

Vancouver

BESIII Collaboration, Николаев ИБ, Мучной НЮ. Study of the light scalar a0(980) through the decay D0→a0(980)−e+νe with a0(980)−→ηπ−. Physical Review D. 2025 May 6;111(9):091501. doi: 10.1103/PhysRevD.111.L091501

Author

BESIII Collaboration ; Николаев, Иван Борисович ; Мучной, Николай Юрьевич. / Study of the light scalar a0(980) through the decay D0→a0(980)−e+νe with a0(980)−→ηπ−. In: Physical Review D. 2025 ; Vol. 111, No. 9.

BibTeX

@article{97cc7e90598649b182080d4f753f2e7a,
title = "Study of the light scalar a0(980) through the decay D0→a0(980)−e+νe with a0(980)−→ηπ−",
abstract = "Using 7.93  fb−1 of 푒+⁢푒− collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, we present an analysis of the decay 퐷0→휂⁢휋−⁢푒+⁢휈푒. The branching fraction of the decay 퐷0→푎0⁢(980)−⁢푒+⁢휈푒 with 푎0⁢(980)−→휂⁢휋− is measured to be (0.86±0.1⁢7stat±0.0⁢5syst)×10−4. The decay dynamics of this process is studied with a single-pole parametrization of the hadronic form factor and the Flatt{\'e} formula describing the 푎0⁡(980) line shape in the differential decay rate. The product of the form factor 푓푎0 +⁡(0) and the Cabibbo-Kobayashi-Maskawa matrix element |푉푐⁢푑| is determined for the first time with the result 푓푎0 +⁡(0)⁢|푉푐⁢푑|=0.126±0.01⁢3stat±0.00⁢3syst.",
author = "{BESIII Collaboration} and M. Ablikim and M. n. Achasov and Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",
year = "2025",
month = may,
day = "6",
doi = "10.1103/PhysRevD.111.L091501",
language = "English",
volume = "111",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",
number = "9",

}

RIS

TY - JOUR

T1 - Study of the light scalar a0(980) through the decay D0→a0(980)−e+νe with a0(980)−→ηπ−

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. n.

AU - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

PY - 2025/5/6

Y1 - 2025/5/6

N2 - Using 7.93  fb−1 of 푒+⁢푒− collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, we present an analysis of the decay 퐷0→휂⁢휋−⁢푒+⁢휈푒. The branching fraction of the decay 퐷0→푎0⁢(980)−⁢푒+⁢휈푒 with 푎0⁢(980)−→휂⁢휋− is measured to be (0.86±0.1⁢7stat±0.0⁢5syst)×10−4. The decay dynamics of this process is studied with a single-pole parametrization of the hadronic form factor and the Flatté formula describing the 푎0⁡(980) line shape in the differential decay rate. The product of the form factor 푓푎0 +⁡(0) and the Cabibbo-Kobayashi-Maskawa matrix element |푉푐⁢푑| is determined for the first time with the result 푓푎0 +⁡(0)⁢|푉푐⁢푑|=0.126±0.01⁢3stat±0.00⁢3syst.

AB - Using 7.93  fb−1 of 푒+⁢푒− collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, we present an analysis of the decay 퐷0→휂⁢휋−⁢푒+⁢휈푒. The branching fraction of the decay 퐷0→푎0⁢(980)−⁢푒+⁢휈푒 with 푎0⁢(980)−→휂⁢휋− is measured to be (0.86±0.1⁢7stat±0.0⁢5syst)×10−4. The decay dynamics of this process is studied with a single-pole parametrization of the hadronic form factor and the Flatté formula describing the 푎0⁡(980) line shape in the differential decay rate. The product of the form factor 푓푎0 +⁡(0) and the Cabibbo-Kobayashi-Maskawa matrix element |푉푐⁢푑| is determined for the first time with the result 푓푎0 +⁡(0)⁢|푉푐⁢푑|=0.126±0.01⁢3stat±0.00⁢3syst.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-105004848505&origin=inward&txGid=f303322d3c1fe5309287ec238678d341

UR - https://www.mendeley.com/catalogue/6a0aa80d-ec05-32c7-ab61-5953b1a06e21/

U2 - 10.1103/PhysRevD.111.L091501

DO - 10.1103/PhysRevD.111.L091501

M3 - Article

VL - 111

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 9

M1 - 091501

ER -

ID: 66565608