Searches for isospin-violating transitions chi(c0,2) -> pi(0)eta(c)

M. Ablikim; M. N. Achasov; X. C. Ai; O.  Albayrak; M. Albrecht; D.J. Ambrose; A. Amoroso; O. Bondarenko; Z. Haddadi; N. Kalantar-Nayestanaki; M. Kavatsyuk; H. Loehner; J.G. Messchendorp; M. Tiemens

doi:10.1103/PhysRevD.91.112018

Searches for isospin-violating transitions chi(c0,2) -> pi(0)eta(c)

M. Ablikim, M. N. Achasov, X. C. Ai, O. Albayrak, M. Albrecht, D.J. Ambrose, A. Amoroso, O. Bondarenko, Z. Haddadi, N. Kalantar-Nayestanaki, M. Kavatsyuk, H. Loehner, J.G. Messchendorp, M. Tiemens

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We present the first upper-limit measurement of the branching fractions of the isospin-violating transitions chi(c0,2) -> pi(0)eta(c). The measurements are performed using 106 x 10(6) psi(3686) events accumulated with the BESIII detector at the BEPCII e(+)e(-) collider at a center-of-mass energy corresponding to the psi(3686) mass. We obtained upper limits on the branching fractions at a 90% confidence level of B(chi(c0) -> pi(0)eta(c)) <1.6 x 10(-3) and B(chi(c2) -> pi(0)eta(c)) <3.2 x 10(-3).

Originele taal-2	English
Artikelnummer	112018
Aantal pagina's	9
Tijdschrift	Physical Review D
Volume	91
Nummer van het tijdschrift	11
DOI's	https://doi.org/10.1103/PhysRevD.91.112018
Status	Published - 30-jun.-2015

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Ablikim, M., Achasov, M. N., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J., Amoroso, A., Bondarenko, O., Haddadi, Z., Kalantar-Nayestanaki, N., Kavatsyuk, M., Loehner, H., Messchendorp, J. G., & Tiemens, M. (2015). Searches for isospin-violating transitions chi(c0,2) -> pi(0)eta(c). Physical Review D, 91(11), Artikel 112018. https://doi.org/10.1103/PhysRevD.91.112018

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title = "Searches for isospin-violating transitions chi(c0,2) -> pi(0)eta(c)",

abstract = "We present the first upper-limit measurement of the branching fractions of the isospin-violating transitions chi(c0,2) -> pi(0)eta(c). The measurements are performed using 106 x 10(6) psi(3686) events accumulated with the BESIII detector at the BEPCII e(+)e(-) collider at a center-of-mass energy corresponding to the psi(3686) mass. We obtained upper limits on the branching fractions at a 90% confidence level of B(chi(c0) -> pi(0)eta(c)) <1.6 x 10(-3) and B(chi(c2) -> pi(0)eta(c)) <3.2 x 10(-3).",

keywords = "DECAYS, STATES",

author = "M. Ablikim and Achasov, {M. N.} and Ai, {X. C.} and O. Albayrak and M. Albrecht and D.J. Ambrose and A. Amoroso and O. Bondarenko and Z. Haddadi and N. Kalantar-Nayestanaki and M. Kavatsyuk and H. Loehner and J.G. Messchendorp and M. Tiemens",

year = "2015",

month = jun,

day = "30",

doi = "10.1103/PhysRevD.91.112018",

language = "English",

volume = "91",

journal = "Physical Review D",

issn = "1550-7998",

publisher = "AMER PHYSICAL SOC",

number = "11",

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TY - JOUR

T1 - Searches for isospin-violating transitions chi(c0,2) -> pi(0)eta(c)

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ai, X. C.

AU - Albayrak, O.

AU - Albrecht, M.

AU - Ambrose, D.J.

AU - Amoroso, A.

AU - Bondarenko, O.

AU - Haddadi, Z.

AU - Kalantar-Nayestanaki, N.

AU - Kavatsyuk, M.

AU - Loehner, H.

AU - Messchendorp, J.G.

AU - Tiemens, M.

PY - 2015/6/30

Y1 - 2015/6/30

N2 - We present the first upper-limit measurement of the branching fractions of the isospin-violating transitions chi(c0,2) -> pi(0)eta(c). The measurements are performed using 106 x 10(6) psi(3686) events accumulated with the BESIII detector at the BEPCII e(+)e(-) collider at a center-of-mass energy corresponding to the psi(3686) mass. We obtained upper limits on the branching fractions at a 90% confidence level of B(chi(c0) -> pi(0)eta(c)) <1.6 x 10(-3) and B(chi(c2) -> pi(0)eta(c)) <3.2 x 10(-3).

AB - We present the first upper-limit measurement of the branching fractions of the isospin-violating transitions chi(c0,2) -> pi(0)eta(c). The measurements are performed using 106 x 10(6) psi(3686) events accumulated with the BESIII detector at the BEPCII e(+)e(-) collider at a center-of-mass energy corresponding to the psi(3686) mass. We obtained upper limits on the branching fractions at a 90% confidence level of B(chi(c0) -> pi(0)eta(c)) <1.6 x 10(-3) and B(chi(c2) -> pi(0)eta(c)) <3.2 x 10(-3).

KW - DECAYS

KW - STATES

U2 - 10.1103/PhysRevD.91.112018

DO - 10.1103/PhysRevD.91.112018

M3 - Article

SN - 1550-7998

VL - 91

JO - Physical Review D

JF - Physical Review D

IS - 11

M1 - 112018

ER -

Searches for isospin-violating transitions chi(c0,2) -> pi(0)eta(c)

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