Cross-section measurements of e+e- →φK+K- and e+e- →φ KS0 KS0 at center-of-mass energies between 3.7730 GeV and 4.7008 GeV

Sonia Kabana; Vindhyawasini Prasad; BESIII Collaboration

doi:10.1103/PHYSREVD.108.032004

Cross-section measurements of e+e- →φK+K- and e+e- →φ KS0 KS0 at center-of-mass energies between 3.7730 GeV and 4.7008 GeV

Título traducido de la contribución: Medidas de la sección transversal de e+e- →φK+K- y e+e- →φ KS0 KS0 a energías del centro de masa entre 3,7730 GeV y 4,7008 GeV

Sonia Kabana
, Vindhyawasini Prasad
, BESIII Collaboration

Instituto de Alta Investigación

Universidad de Tarapacá

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

3 Citas (Scopus)

Resumen

Basándose en 22,7 fb-1 de datos de aniquilación de e+e- recopilados a 33 energías de centro de masa diferentes entre 3,7730 y 4,7008 GeV con el detector BESIII del colisionador BEPCII, se miden por primera vez las secciones eficaces de Born de los dos procesos e+e-→φK+K- y e+e-→φKS0KS0. No se observa ninguna indicación de producción resonante a través de un estado vectorial intermedio V, y se obtienen los límites superiores del producto del ancho electrónico Γe+e- y la fracción de ramificación Br(V→φKK̄) de los procesos e+e-→V→φK+K- y e+e-→V→φKS0KS0 con un nivel de confianza del 90% para un amplio espacio de parámetros en masas y anchos de resonancia. Para la masa y el ancho promedio mundial actual de ψ(4230) de m=4,2187 GeV/c2 y Γ=44 MeV, establecemos límites superiores para los estados finales φK+K- y φKS0KS0 de 1,75 y 0,47 eV en el nivel de confianza del 90%, respectivamente.

Título traducido de la contribución	Medidas de la sección transversal de e+e- →φK+K- y e+e- →φ KS0 KS0 a energías del centro de masa entre 3,7730 GeV y 4,7008 GeV
Idioma original	Inglés
Número de artículo	032004
Páginas (desde-hasta)	1-12
Número de páginas	12
Publicación	Physical Review D
Volumen	108
N.º	3
DOI	https://doi.org/10.1103/PHYSREVD.108.032004
Estado	Publicada - 4 ago. 2023

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title = "Cross-section measurements of e+e- →φK+K- and e+e- →φ KS0 KS0 at center-of-mass energies between 3.7730 GeV and 4.7008 GeV",

abstract = "Based on 22.7 fb-1 of e+e- annihilation data collected at 33 different center-of-mass energies between 3.7730 and 4.7008 GeV with the BESIII detector at the BEPCII collider, Born cross sections of the two processes e+e-→φK+K- and e+e-→φKS0KS0 are measured for the first time. No indication of resonant production through an intermediate vector state V is observed, and the upper limits on the product of the electronic width Γe+e- and the branching fraction Br(V→φK{\=K}) of the processes e+e-→V→φK+K- and e+e-→V→φKS0KS0 at the 90\% confidence level are obtained for a large parameter space in resonance masses and widths. For the current world average mass and width of the ψ(4230) of m=4.2187 GeV/c2 and Γ=44 MeV, we set upper limits on the φK+K- and φKS0KS0 final states of 1.75 and 0.47 eV at the 90\% confidence level, respectively.",

author = "Sonia Kabana and Vindhyawasini Prasad and \{The BESIII collaboration\}",

note = "Publisher Copyright: {\textcopyright} 2023, The Author(s).",

year = "2023",

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doi = "10.1103/PHYSREVD.108.032004",

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T1 - Cross-section measurements of e+e- →φK+K- and e+e- →φ KS0 KS0 at center-of-mass energies between 3.7730 GeV and 4.7008 GeV

AU - Kabana, Sonia

AU - Prasad, Vindhyawasini

AU - The BESIII collaboration

PY - 2023/8/4

Y1 - 2023/8/4

N2 - Based on 22.7 fb-1 of e+e- annihilation data collected at 33 different center-of-mass energies between 3.7730 and 4.7008 GeV with the BESIII detector at the BEPCII collider, Born cross sections of the two processes e+e-→φK+K- and e+e-→φKS0KS0 are measured for the first time. No indication of resonant production through an intermediate vector state V is observed, and the upper limits on the product of the electronic width Γe+e- and the branching fraction Br(V→φKK̄) of the processes e+e-→V→φK+K- and e+e-→V→φKS0KS0 at the 90% confidence level are obtained for a large parameter space in resonance masses and widths. For the current world average mass and width of the ψ(4230) of m=4.2187 GeV/c2 and Γ=44 MeV, we set upper limits on the φK+K- and φKS0KS0 final states of 1.75 and 0.47 eV at the 90% confidence level, respectively.

AB - Based on 22.7 fb-1 of e+e- annihilation data collected at 33 different center-of-mass energies between 3.7730 and 4.7008 GeV with the BESIII detector at the BEPCII collider, Born cross sections of the two processes e+e-→φK+K- and e+e-→φKS0KS0 are measured for the first time. No indication of resonant production through an intermediate vector state V is observed, and the upper limits on the product of the electronic width Γe+e- and the branching fraction Br(V→φKK̄) of the processes e+e-→V→φK+K- and e+e-→V→φKS0KS0 at the 90% confidence level are obtained for a large parameter space in resonance masses and widths. For the current world average mass and width of the ψ(4230) of m=4.2187 GeV/c2 and Γ=44 MeV, we set upper limits on the φK+K- and φKS0KS0 final states of 1.75 and 0.47 eV at the 90% confidence level, respectively.

UR - https://www.scopus.com/pages/publications/85169310268

UR - https://publons.com/wos-op/publon/64187296/

U2 - 10.1103/PHYSREVD.108.032004

DO - 10.1103/PHYSREVD.108.032004

M3 - Article

SN - 2470-0010

VL - 108

SP - 1

EP - 12

JO - Physical Review D

JF - Physical Review D

IS - 3

M1 - 032004

ER -

Cross-section measurements of e+e- →φK+K- and e+e- →φ KS0 KS0 at center-of-mass energies between 3.7730 GeV and 4.7008 GeV

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