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Determination of the Σ+ Timelike Electromagnetic Form Factors. / BESIII Collaboration ; Николаев, Иван Борисович; Мучной, Николай Юрьевич.

In: Physical Review Letters, Vol. 132, No. 8, 081904, 23.02.2024, p. 081904.

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

Harvard

BESIII Collaboration, Николаев, ИБ & Мучной, НЮ 2024, 'Determination of the Σ+ Timelike Electromagnetic Form Factors', Physical Review Letters, vol. 132, no. 8, 081904, pp. 081904. https://doi.org/10.1103/PhysRevLett.132.081904

APA

BESIII Collaboration, Николаев, И. Б., & Мучной, Н. Ю. (2024). Determination of the Σ+ Timelike Electromagnetic Form Factors. Physical Review Letters, 132(8), 081904. [081904]. https://doi.org/10.1103/PhysRevLett.132.081904

Vancouver

BESIII Collaboration, Николаев ИБ, Мучной НЮ. Determination of the Σ+ Timelike Electromagnetic Form Factors. Physical Review Letters. 2024 Feb 23;132(8):081904. 081904. doi: 10.1103/PhysRevLett.132.081904

Author

BESIII Collaboration ; Николаев, Иван Борисович ; Мучной, Николай Юрьевич. / Determination of the Σ+ Timelike Electromagnetic Form Factors. In: Physical Review Letters. 2024 ; Vol. 132, No. 8. pp. 081904.

BibTeX

@article{0689e3cd8c9b4551bd8e2801ec8ca0cc,
title = "Determination of the Σ+ Timelike Electromagnetic Form Factors",
abstract = "Based on data samples collected with the BESIII detector at the BEPCII collider, the process e+e-→ς+ς¯- is studied at center-of-mass energies s=2.3960, 2.6454, and 2.9000 GeV. Using a fully differential angular description of the final state particles, both the relative magnitude and phase information of the ς+ electromagnetic form factors in the timelike region are extracted. The relative phase between the electric and magnetic form factors is determined to be sinΔφ=-0.67±0.29(stat)±0.18(syst) at s=2.3960 GeV, Δφ=55°±19°(stat)±14°(syst) at s=2.6454 GeV, and 78°±22°(stat)±9°(syst) at s=2.9000 GeV. For the first time, the phase of the hyperon electromagnetic form factors is explored in a wide range of four-momentum transfer. The evolution of the phase along with four-momentum transfer is an important input for understanding its asymptotic behavior and the dynamics of baryons.",
author = "{BESIII Collaboration} and M. Ablikim and M. n. Achasov and P. Adlarson 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 G. f. Cao and N. Cao and Николаев, {Иван Борисович} and Мучной, {Николай Юрьевич}",
year = "2024",
month = feb,
day = "23",
doi = "10.1103/PhysRevLett.132.081904",
language = "English",
volume = "132",
pages = "081904",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "8",

}

RIS

TY - JOUR

T1 - Determination of the Σ+ Timelike Electromagnetic Form Factors

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. n.

AU - Adlarson, P.

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 - Cao, G. f.

AU - Cao, N.

AU - Николаев, Иван Борисович

AU - Мучной, Николай Юрьевич

PY - 2024/2/23

Y1 - 2024/2/23

N2 - Based on data samples collected with the BESIII detector at the BEPCII collider, the process e+e-→ς+ς¯- is studied at center-of-mass energies s=2.3960, 2.6454, and 2.9000 GeV. Using a fully differential angular description of the final state particles, both the relative magnitude and phase information of the ς+ electromagnetic form factors in the timelike region are extracted. The relative phase between the electric and magnetic form factors is determined to be sinΔφ=-0.67±0.29(stat)±0.18(syst) at s=2.3960 GeV, Δφ=55°±19°(stat)±14°(syst) at s=2.6454 GeV, and 78°±22°(stat)±9°(syst) at s=2.9000 GeV. For the first time, the phase of the hyperon electromagnetic form factors is explored in a wide range of four-momentum transfer. The evolution of the phase along with four-momentum transfer is an important input for understanding its asymptotic behavior and the dynamics of baryons.

AB - Based on data samples collected with the BESIII detector at the BEPCII collider, the process e+e-→ς+ς¯- is studied at center-of-mass energies s=2.3960, 2.6454, and 2.9000 GeV. Using a fully differential angular description of the final state particles, both the relative magnitude and phase information of the ς+ electromagnetic form factors in the timelike region are extracted. The relative phase between the electric and magnetic form factors is determined to be sinΔφ=-0.67±0.29(stat)±0.18(syst) at s=2.3960 GeV, Δφ=55°±19°(stat)±14°(syst) at s=2.6454 GeV, and 78°±22°(stat)±9°(syst) at s=2.9000 GeV. For the first time, the phase of the hyperon electromagnetic form factors is explored in a wide range of four-momentum transfer. The evolution of the phase along with four-momentum transfer is an important input for understanding its asymptotic behavior and the dynamics of baryons.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85186195209&origin=inward&txGid=b54fec9140a86aa31d9842a3c7aa7387

UR - https://pubmed.ncbi.nlm.nih.gov/38457707/

U2 - 10.1103/PhysRevLett.132.081904

DO - 10.1103/PhysRevLett.132.081904

M3 - Article

C2 - 38457707

VL - 132

SP - 081904

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 8

M1 - 081904

ER -

ID: 62717813