Measurement of the e+e- → Λ ς ¯ 0+c.c. cross sections at s from 2.3094 to 3.0800 GeV

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Measurement of the e+e- → Λ ς ¯ 0+c.c. cross sections at s from 2.3094 to 3.0800 GeV. / BESIII Collaboration ; Николаев, Иван Борисович ; Мучной, Николай Юрьевич.

In: Physical Review D, Vol. 109, No. 1, 012002, 04.01.2024.

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

BibTeX

@article{7395eaeb345249ac8fca12afca2e9427,

title = "Measurement of the e+e- → Λ ς ¯ 0+c.c. cross sections at s from 2.3094 to 3.0800 GeV",

abstract = "The Born cross sections and effective form factors of the process e+e-→Λς¯0+c.c. are measured at 14 center-of-mass energy points from 2.3094 to 3.0800 GeV, based on data corresponding to an integrated luminosity of (478.5±4.8) pb-1 collected with the BESIII detector. A nonzero Born cross section is observed at the center-of-mass energy of 2.3094 GeV with a statistical significance of more than five standard deviations, and the cross sections at other energies are obtained with improved precision compared to earlier measurements from the BABAR Collaboration. The Born cross-section line shape is described better by a shape considering the strong-interaction effects than by a pQCD motivated functional form.",

author = "{BESIII Collaboration} and Achasov, {M. N.} and Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",

year = "2024",

month = jan,

day = "4",

doi = "10.1103/PhysRevD.109.012002",

language = "English",

volume = "109",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "1",

}

RIS

TY - JOUR

T1 - Measurement of the e+e- → Λ ς ¯ 0+c.c. cross sections at s from 2.3094 to 3.0800 GeV

AU - BESIII Collaboration

AU - Achasov, M. N.

AU - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

PY - 2024/1/4

Y1 - 2024/1/4

N2 - The Born cross sections and effective form factors of the process e+e-→Λς¯0+c.c. are measured at 14 center-of-mass energy points from 2.3094 to 3.0800 GeV, based on data corresponding to an integrated luminosity of (478.5±4.8) pb-1 collected with the BESIII detector. A nonzero Born cross section is observed at the center-of-mass energy of 2.3094 GeV with a statistical significance of more than five standard deviations, and the cross sections at other energies are obtained with improved precision compared to earlier measurements from the BABAR Collaboration. The Born cross-section line shape is described better by a shape considering the strong-interaction effects than by a pQCD motivated functional form.

AB - The Born cross sections and effective form factors of the process e+e-→Λς¯0+c.c. are measured at 14 center-of-mass energy points from 2.3094 to 3.0800 GeV, based on data corresponding to an integrated luminosity of (478.5±4.8) pb-1 collected with the BESIII detector. A nonzero Born cross section is observed at the center-of-mass energy of 2.3094 GeV with a statistical significance of more than five standard deviations, and the cross sections at other energies are obtained with improved precision compared to earlier measurements from the BABAR Collaboration. The Born cross-section line shape is described better by a shape considering the strong-interaction effects than by a pQCD motivated functional form.

UR - https://www.mendeley.com/catalogue/24adf6a0-c664-3cf0-ad7d-4b9b552d0f12/

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85183051987&origin=inward&txGid=1dfd47a32188bc66bed31aab1ad24cf1

U2 - 10.1103/PhysRevD.109.012002

DO - 10.1103/PhysRevD.109.012002

M3 - Article

VL - 109

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 1

M1 - 012002

ER -

ID: 62691478