First measurement of ΛN inelastic scattering with Λ from e+e−→J/ψ→ΛΛ¯

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First measurement of ΛN inelastic scattering with Λ from e+e−→J/ψ→ΛΛ¯. / BESIII Collaboration ; Мучной, Николай Юрьевич.

In: Physical Review C, Vol. 109, No. 5, L052201, 05.05.2024.

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

BibTeX

@article{cf57387e99514d3fbef3ac2edb577d15,

title = "First measurement of ΛN inelastic scattering with Λ from e+e−→J/ψ→ΛΛ¯",

abstract = "Using an e+e- collision data sample of (10087±44)×106 J/ψ events taken at the center-of-mass energy of 3.097 GeV by the BESIII detector at the BEPCII collider, the process Λ+N→ς++X is studied for the first time employing a novel method. The ς+ hyperons are produced by the collisions of Λ hyperons from J/ψ decays with nuclei in the material of the BESIII detector. The total cross section of Λ+Be9→ς++X is measured to be σ=(37.3±4.7±3.5) mb with Λ momenta within [1.057,1.091] GeV/c, where the uncertainties are statistical and systematic, respectively. This analysis is the first study of Λ-nucleon interactions at an e+e- collider, providing information and constraints relevant for the strong-interaction potential, the origin of color confinement, the unified model for baryon-baryon interactions, and the internal structure of neutron stars. ",

author = "{BESIII Collaboration} and M. Ablikim and Achasov, {M. n.} and Ai, {X. c.} and R. Aliberti and A. Amoroso and An, {M. r.} 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 Briere, {R. a.} and A. Brueggemann and H. Cai and X. Cai and A. Calcaterra and Cao, {G. f.} and Nikolaev, {I. b.} and Мучной, {Николай Юрьевич}",

year = "2024",

month = may,

day = "5",

doi = "10.1103/PhysRevC.109.L052201",

language = "English",

volume = "109",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "5",

}

RIS

TY - JOUR

T1 - First measurement of ΛN inelastic scattering with Λ from e+e−→J/ψ→ΛΛ¯

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. n.

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 - Nikolaev, I. b.

AU - Мучной, Николай Юрьевич

PY - 2024/5/5

Y1 - 2024/5/5

N2 - Using an e+e- collision data sample of (10087±44)×106 J/ψ events taken at the center-of-mass energy of 3.097 GeV by the BESIII detector at the BEPCII collider, the process Λ+N→ς++X is studied for the first time employing a novel method. The ς+ hyperons are produced by the collisions of Λ hyperons from J/ψ decays with nuclei in the material of the BESIII detector. The total cross section of Λ+Be9→ς++X is measured to be σ=(37.3±4.7±3.5) mb with Λ momenta within [1.057,1.091] GeV/c, where the uncertainties are statistical and systematic, respectively. This analysis is the first study of Λ-nucleon interactions at an e+e- collider, providing information and constraints relevant for the strong-interaction potential, the origin of color confinement, the unified model for baryon-baryon interactions, and the internal structure of neutron stars.

AB - Using an e+e- collision data sample of (10087±44)×106 J/ψ events taken at the center-of-mass energy of 3.097 GeV by the BESIII detector at the BEPCII collider, the process Λ+N→ς++X is studied for the first time employing a novel method. The ς+ hyperons are produced by the collisions of Λ hyperons from J/ψ decays with nuclei in the material of the BESIII detector. The total cross section of Λ+Be9→ς++X is measured to be σ=(37.3±4.7±3.5) mb with Λ momenta within [1.057,1.091] GeV/c, where the uncertainties are statistical and systematic, respectively. This analysis is the first study of Λ-nucleon interactions at an e+e- collider, providing information and constraints relevant for the strong-interaction potential, the origin of color confinement, the unified model for baryon-baryon interactions, and the internal structure of neutron stars.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85193211252&origin=inward&txGid=f1dd5b9086b6513c6e0ea6d150a0ed75

U2 - 10.1103/PhysRevC.109.L052201

DO - 10.1103/PhysRevC.109.L052201

M3 - Article

VL - 109

JO - Physical Review C

JF - Physical Review C

SN - 2469-9985

IS - 5

M1 - L052201

ER -

ID: 62698601