Measurement of Direct f0(980) Photoproduction on the Proton

M. Battaglieri; Angela Biselli

doi:10.1103/PhysRevLett.102.102001

Measurement of Direct f0(980) Photoproduction on the Proton

M. Battaglieri, Angela Biselli

Fairfield University

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

Abstract

We report on the results of the first measurement of exclusive f0(980) meson photoproduction on protons for Eγ=3.0–3.8 GeV and −t=0.4–1.0 GeV2. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The resonance was detected via its decay in the π+π− channel by performing a partial wave analysis of the reaction γp→pπ+π−. Clear evidence of the f0(980) meson was found in the interference between P and S waves at Mx+x~1 GeV. The S-wave differential cross section integrated in the mass range of the f0(980) was found to be a factor of about 50 smaller than the cross section for the ƿ meson. This is the first time the f0(980) meson has been measured in a photoproduction experiment.

Original language	American English
Journal	Physical Review Letters
Volume	102
DOIs	https://doi.org/10.1103/PhysRevLett.102.102001
State	Published - Jan 1 2009

Disciplines

Physical Sciences and Mathematics
Physics

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title = "Measurement of Direct f0(980) Photoproduction on the Proton",

abstract = " We report on the results of the first measurement of exclusive f0(980) meson photoproduction on protons for Eγ=3.0–3.8 GeV and −t=0.4–1.0 GeV2. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The resonance was detected via its decay in the π+π− channel by performing a partial wave analysis of the reaction γp→pπ+π−. Clear evidence of the f0(980) meson was found in the interference between P and S waves at Mx+x\textasciitilde{}1 GeV. The S-wave differential cross section integrated in the mass range of the f0(980) was found to be a factor of about 50 smaller than the cross section for the ƿ meson. This is the first time the f0(980) meson has been measured in a photoproduction experiment.",

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doi = "10.1103/PhysRevLett.102.102001",

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N2 - We report on the results of the first measurement of exclusive f0(980) meson photoproduction on protons for Eγ=3.0–3.8 GeV and −t=0.4–1.0 GeV2. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The resonance was detected via its decay in the π+π− channel by performing a partial wave analysis of the reaction γp→pπ+π−. Clear evidence of the f0(980) meson was found in the interference between P and S waves at Mx+x~1 GeV. The S-wave differential cross section integrated in the mass range of the f0(980) was found to be a factor of about 50 smaller than the cross section for the ƿ meson. This is the first time the f0(980) meson has been measured in a photoproduction experiment.

AB - We report on the results of the first measurement of exclusive f0(980) meson photoproduction on protons for Eγ=3.0–3.8 GeV and −t=0.4–1.0 GeV2. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The resonance was detected via its decay in the π+π− channel by performing a partial wave analysis of the reaction γp→pπ+π−. Clear evidence of the f0(980) meson was found in the interference between P and S waves at Mx+x~1 GeV. The S-wave differential cross section integrated in the mass range of the f0(980) was found to be a factor of about 50 smaller than the cross section for the ƿ meson. This is the first time the f0(980) meson has been measured in a photoproduction experiment.

UR - https://digitalcommons.fairfield.edu/physics-facultypubs/54

U2 - 10.1103/PhysRevLett.102.102001

DO - 10.1103/PhysRevLett.102.102001

M3 - Article

VL - 102

JO - Physical Review Letters

JF - Physical Review Letters

ER -

Measurement of Direct f0(980) Photoproduction on the Proton

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