Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV

M. Ablikim; M. N. Achasov; S. Ahmed; X. C. Ai; O.  Albayrak; M. Albrecht; D. J. Ambrose; Z. Haddadi; N. Kalantar-Nayestanaki; M. Kavatsyuk; H. Löhner; J. G. Messchendorp; M. Tiemens; BESIII Collaboration

doi:10.1103/PhysRevD.96.012001

Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV

M. Ablikim, M. N. Achasov, S. Ahmed, X. C. Ai, O. Albayrak, M. Albrecht, D. J. Ambrose, Z. Haddadi, N. Kalantar-Nayestanaki, M. Kavatsyuk, H. Löhner, J. G. Messchendorp, M. Tiemens, BESIII Collaboration

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We observe for the first time the process e+e-→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226 GeV, and the Born cross section is measured to be (9.5-2.0+2.2±2.7) pb. Evidence for ηhc is observed at s=4.358 GeV with a Born cross section of (10.0-2.7+3.1±2.6) pb, and upper limits on the production cross section at other center-of-mass energies between 4.085 and 4.600 GeV are determined.

Originele taal-2	English
Artikelnummer	012001
Aantal pagina's	13
Tijdschrift	Physical Review D
Volume	96
Nummer van het tijdschrift	1
DOI's	https://doi.org/10.1103/PhysRevD.96.012001
Status	Published - 1-jul.-2017

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Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeVFinal publisher's version, 429 KBLicentie: Taverne

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Ablikim, M., Achasov, M. N., Ahmed, S., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J., Haddadi, Z., Kalantar-Nayestanaki, N., Kavatsyuk, M., Löhner, H., Messchendorp, J. G., Tiemens, M., & BESIII Collaboration (2017). Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV. Physical Review D, 96(1), Artikel 012001. https://doi.org/10.1103/PhysRevD.96.012001

@article{6e3b7163a53b4d26b1baf0852a48a957,

title = "Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV",

abstract = "We observe for the first time the process e+e-→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226 GeV, and the Born cross section is measured to be (9.5-2.0+2.2±2.7) pb. Evidence for ηhc is observed at s=4.358 GeV with a Born cross section of (10.0-2.7+3.1±2.6) pb, and upper limits on the production cross section at other center-of-mass energies between 4.085 and 4.600 GeV are determined.",

keywords = "Y(4260), STATE, DECAY , BESIII",

author = "M. Ablikim and Achasov, {M. N.} and S. Ahmed and Ai, {X. C.} and O. Albayrak and M. Albrecht and Ambrose, {D. J.} and Z. Haddadi and N. Kalantar-Nayestanaki and M. Kavatsyuk and H. L{\"o}hner and Messchendorp, {J. G.} and M. Tiemens and {BESIII Collaboration}",

year = "2017",

month = jul,

day = "1",

doi = "10.1103/PhysRevD.96.012001",

language = "English",

volume = "96",

journal = "Physical Review D",

issn = "1550-7998",

publisher = "AMER PHYSICAL SOC",

number = "1",

}

Ablikim, M, Achasov, MN, Ahmed, S, Ai, XC, Albayrak, O, Albrecht, M, Ambrose, DJ, Haddadi, Z, Kalantar-Nayestanaki, N , Kavatsyuk, M, Löhner, H, Messchendorp, JG, Tiemens, M & BESIII Collaboration 2017, 'Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV', Physical Review D, vol. 96, nr. 1, 012001. https://doi.org/10.1103/PhysRevD.96.012001

TY - JOUR

T1 - Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Ahmed, S.

AU - Ai, X. C.

AU - Albayrak, O.

AU - Albrecht, M.

AU - Ambrose, D. J.

AU - Haddadi, Z.

AU - Kalantar-Nayestanaki, N.

AU - Kavatsyuk, M.

AU - Löhner, H.

AU - Messchendorp, J. G.

AU - Tiemens, M.

AU - BESIII Collaboration

PY - 2017/7/1

Y1 - 2017/7/1

N2 - We observe for the first time the process e+e-→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226 GeV, and the Born cross section is measured to be (9.5-2.0+2.2±2.7) pb. Evidence for ηhc is observed at s=4.358 GeV with a Born cross section of (10.0-2.7+3.1±2.6) pb, and upper limits on the production cross section at other center-of-mass energies between 4.085 and 4.600 GeV are determined.

AB - We observe for the first time the process e+e-→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226 GeV, and the Born cross section is measured to be (9.5-2.0+2.2±2.7) pb. Evidence for ηhc is observed at s=4.358 GeV with a Born cross section of (10.0-2.7+3.1±2.6) pb, and upper limits on the production cross section at other center-of-mass energies between 4.085 and 4.600 GeV are determined.

KW - Y(4260)

KW - STATE

KW - DECAY

KW - BESIII

U2 - 10.1103/PhysRevD.96.012001

DO - 10.1103/PhysRevD.96.012001

M3 - Article

SN - 1550-7998

VL - 96

JO - Physical Review D

JF - Physical Review D

IS - 1

M1 - 012001

ER -

Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV

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