Measurement of e+e- →φπ+π- cross sections at center-of-mass energies from 2.00 to 3.08 GeV

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Measurement of e+e- →φπ+π- cross sections at center-of-mass energies from 2.00 to 3.08 GeV. / BESIII Collaboration ; Мучной, Николай Юрьевич.

In: Physical Review D, Vol. 108, No. 3, 032011, 15.08.2023.

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

BibTeX

@article{b287e0edc6754a7ab12a908ef847e1df,

title = "Measurement of e+e- →φπ+π- cross sections at center-of-mass energies from 2.00 to 3.08 GeV",

abstract = "Using data corresponding to an integrated luminosity of 651 pb-1 accumulated at 22 center-of-mass energies from 2.00 to 3.08 GeV by the BESIII experiment, the process e+e-→φπ+π- is studied. The cross sections for e+e-→φπ+π- are consistent with previous results, but with improved precision. To measure the mass and width of the structure observed in the cross section line shape, a combine fit is performed after enhancing the contribution from φf0(980). The fit reveals a structure with the mass of M=2178±20±5 MeV/c2 and the width of Γ=140±36±16 MeV, where the first uncertainties are statistical and the second ones are systematic.",

author = "{BESIII Collaboration} and Achasov, {M. N.} and C. Chen and Nikolaev, {I. B.} and Мучной, {Николай Юрьевич}",

note = "Measurement of e+e−→ϕπ+π− cross sections at center-of-mass energies from 2.00 to 3.08 GeV / BESIII Collaboration // Physical Review D. – 2023. – Vol. 108, No. 3. – P. 032011. – DOI 10.1103/physrevd.108.032011.",

year = "2023",

month = aug,

day = "15",

doi = "10.1103/PhysRevD.108.032011",

language = "English",

volume = "108",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "3",

}

RIS

TY - JOUR

T1 - Measurement of e+e- →φπ+π- cross sections at center-of-mass energies from 2.00 to 3.08 GeV

AU - BESIII Collaboration

AU - Achasov, M. N.

AU - Chen, C.

AU - Nikolaev, I. B.

AU - Мучной, Николай Юрьевич

N1 - Measurement of e+e−→ϕπ+π− cross sections at center-of-mass energies from 2.00 to 3.08 GeV / BESIII Collaboration // Physical Review D. – 2023. – Vol. 108, No. 3. – P. 032011. – DOI 10.1103/physrevd.108.032011.

PY - 2023/8/15

Y1 - 2023/8/15

N2 - Using data corresponding to an integrated luminosity of 651 pb-1 accumulated at 22 center-of-mass energies from 2.00 to 3.08 GeV by the BESIII experiment, the process e+e-→φπ+π- is studied. The cross sections for e+e-→φπ+π- are consistent with previous results, but with improved precision. To measure the mass and width of the structure observed in the cross section line shape, a combine fit is performed after enhancing the contribution from φf0(980). The fit reveals a structure with the mass of M=2178±20±5 MeV/c2 and the width of Γ=140±36±16 MeV, where the first uncertainties are statistical and the second ones are systematic.

AB - Using data corresponding to an integrated luminosity of 651 pb-1 accumulated at 22 center-of-mass energies from 2.00 to 3.08 GeV by the BESIII experiment, the process e+e-→φπ+π- is studied. The cross sections for e+e-→φπ+π- are consistent with previous results, but with improved precision. To measure the mass and width of the structure observed in the cross section line shape, a combine fit is performed after enhancing the contribution from φf0(980). The fit reveals a structure with the mass of M=2178±20±5 MeV/c2 and the width of Γ=140±36±16 MeV, where the first uncertainties are statistical and the second ones are systematic.

UR - https://www.mendeley.com/catalogue/2bfed7f0-c9ae-3d8e-86e0-f15d67ce1f94/

UR - https://doi.org/10.1103/PhysRevD.108.032011

UR - https://elibrary.ru/item.asp?id=63036353

U2 - 10.1103/PhysRevD.108.032011

DO - 10.1103/PhysRevD.108.032011

M3 - Article

VL - 108

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 3

M1 - 032011

ER -

ID: 68405218