Database for $e^+e^- \rightarrow \pi^+\pi^-$ channels
- hepdata: ins1385603
- method: Direct
- quotes:
- $|F_\pi|^2$ (stat, syst and $Cov^{stat}(x,y)$)
- $\sigma_{\pi^+\pi^-(\gamma_{FSR})}^{bare}$ (stat, syst and $Cov^{stat}(x,y)$)
- energy[GeV]: 0.6 - 0.9
- radiative corrections:
- Yes, FSR
- comment:
BaBar (SLAC, Stanford U.), 2012
- status: in preparation
- hepdata: ins1114155
- method: Direct
- quotes:
- In preparation
- energy[GeV]: 0.3 - 3
- radiative corrections:
- In preparation
- comment:
- In preparation
- hepdata: ins1643020
- method: ISR
- quotes:
- $\sigma_{\pi^+\pi^-}$ (stat, syst)
- energy[GeV]: 0.3 - 1.0
- radiative corrections:
- Yes, according to PHOKHARA
- comment:
- No cov matrix
- hepdata: ins1189656
- method: Direct
- quotes:
- $F_\pi$ (stat, syst)
- $\sigma_{\pi^+\pi^-}$ (stat, syst)
- energy[GeV]: 3.772 - 4.17
- radiative corrections:
- Yes
- comment:
- Unclear if the PFF is with or w/out VP, FSR
- hepdata: ins693873
- method: Direct
- quotes:
- $F_\pi$ (stat, syst)
- $\sigma_{\pi^+\pi^-}$ (stat, syst)
- energy[GeV]: 3.671
- radiative corrections:
- Yes
- comment:
- Unclear if the PFF is with or w/out VP, FSR
-
status: in preparation
-
hepdata: 1634981
- method: Direct
- quotes:
- $d\sigma/dQ^2 (\pi^+\pi^-\gamma)$ (stat, syst)
- $\sigma_{\pi^+\pi^-}$ (stat, syst)
- $F_\pi$ (stat, syst)
- energy[GeV]: 0.32 - 0.97
- radiative corrections:
- VP corr. updated to 'alphaQED16.tar.gz' package by F. Jegerlehner (2016)
- Remaining are in inspirehep-797438, inspirehep-859660, inspirehep-1208095
- comment:
- combination of KLOE08, KLOE10 and KLOE12 data;
- updates for inspirehep-797438, inspirehep-859660, inspirehep-1208095
-
status: in preparation
-
hepdata: ins1208095
- method: Direct
- quotes:
- $\sigma$ (stat, syst)
- $F_\pi$ (stat, syst)
- energy[GeV]: 0.59 - 0.97
- radiative corrections:
- FSR corrections on muons from PHOKHARA 4.0 Eur.Phys.J. C39, 411 (2005)
- VP corr. for $F_\pi$ from 'alphaQEDn.uu' package by F. Jegerlehner (2003)
- pointlike pion FSR corr. for $F_\pi$ from Eur.Phys.J. C4, 51-69 (2002)
- comment:
- normalized to muons
- updated data available at inspirehep-1634981
- status: in preparation
- hepdata: ins859660
- method: Direct
- quotes:
- $d\sigma/dQ^2 (\pi\pi\gamma)$ (stat, syst)
- $\sigma$ (stat, syst)
- $F_\pi$ (stat, syst)
- energy[GeV]: 0.32 - 0.92
- radiative corrections:
- Func. from PHOKHARA 5.0 Eur.Phys.J. C47 (2006), Phys.Lett.B611, 116 (2005)
- VP corr. from 'alphaQEDn.uu' package by F. Jegerlehner (2003)
- FSR correction from Eur.Phys.J. C 24, 51-69 (2002)
- comment:
- normalized to Bhabha luminosity
- updated data available at inspirehep-1634981
-
status: in review
-
hepdata: ins797438
- method: Direct
- quotes:
- $d\sigma/dQ^2 (\pi^+\pi^-\gamma)$ (stat, syst)
- $\sigma_{\pi^+\pi^-(\gamma)}$ (stat, syst)
- $|F_\pi|^2$ (stat, syst)
- energy[GeV]: 0.59 - 0.97
- radiative corrections:
- Rad. func. from PHOKHARA 2.0 Eur.Phys.J. C27, 563 (2003)
- VP corr. from 'alphaQEDn.uu' package by F. Jegerlehner (2003)
- FSR correction from Eur.Phys.J. C24, 51-69 (2002)
- comment:
- normalized to Bhabha luminosity
- updated data available at inspirehep-1634981
-
status: in review
-
hepdata: ins655225
- method: Direct
- quotes:
- $d\sigma/dQ^2 (\pi^+\pi^-\gamma)$ (stat, syst)
- $\sigma_{(\pi^+\pi^-)}$ (stat, syst)
- $|F_\pi|^2$ (stat)
- energy[GeV]: 0.59 - 0.97
- radiative corrections:
- Rad. func. from PHOKHARA 3.0 Eur.Phys.J. C33, 333 (2004)
- VP corr. from 'alphaQEDn.uu' package by F. Jegerlehner (2003)
- FSR correction from Eur.Phys.J. C 24, 51-69 (2002)
- comment:
- normalized to Bhabha luminosity
- superseded by inspirehep-797438
MEA (ADONE, Lab. Naz. Frascati), 1980
- hepdata: ins158283
- method: Direct
- quotes:
- $|F_\pi|^2$ (stat)
- $\sigma_{\pi^+\pi^-}$ (stat)
- energy[GeV]: 1.45 - 1.52
- radiative corrections:
- No Mention
- comment:
- Errors not divided; no mention to formula from $F_\pi$, $s$
MEA (ADONE, Lab. Naz. Frascati), 1977
- hepdata: ins124109
- method: Direct
- quotes:
- $|F_\pi|^2$ (tot)
- $\sigma_{\pi^+\pi^-}$ (tot)
- energy[GeV]: 1.6
- radiative corrections:
- No Mention
- comment:
- Errors not divided; no mention to formula from $F_\pi$, $s$
BCF (ADONE, Lab. Naz. Frascati), 1975
- hepdata: ins100180
- method: Direct
- quotes:
- $F_\pi$ (tot)
- energy[GeV]: 1.2 -3.0
- radiative corrections:
- No Mention
- comment:
- Errors not divided
- hepdata: ins109771
- method: Direct
- quotes:
- $|F_\pi|^2$ (stat, syst)
- energy[GeV]: 0.318 - 0.422
- radiative corrections:
- Yes
- comment:
- hepdata: ins109771
- method: Direct
- quotes:
- $|F_\pi|^{2}$ (stat)
- energy[GeV]: 0.915 - 1.076
- radiative corrections:
- No description
- comment:
- Report number: LAL-1287 (PAPER MISSING); systematic errors to be added
- hepdata: ins73648
- method: Direct
- quotes:
- $\sigma_{\pi^+\pi^-}$ (stat)
- energy[GeV]: 0.705 - 0.990
- radiative corrections:
- Yes in an approximate formula
- comment:
- Not clear if $\sigma_{\pi+\pi-}^{bare}$ or not; systematic errors to be added
- hepdata: ins267118
- method: Direct
quotes:
- $|F_\pi|^{2}$ (stat, syst)
- $\sigma_{\pi^+\pi^-}$ (stat, syst)
- energy[GeV]: 1.350 - 2.385
- radiative corrections:
- Yes, in the peaking approximation
- comment:
- hepdata: ins134061
- method: Direct
quotes:
- $|F_\pi|^{2}$ (stat, syst)
- $\sigma_{\pi^+\pi^-}$ (stat, syst)
- energy[GeV]: 0.483 - 1.096
- radiative corrections:
- Yes
- comment:
SND (VEPP-2000, Novosibirsk), 2021
- hepdata: ins1789269
- method: Direct
- quotes:
- $|F_\pi|^2$ (stat, syst)
- $\sigma_{\pi^+\pi^-}$ (stat, syst)
- $\sigma_{\pi^+\pi^-}^{bare}$ (stat, syst)
- energy[GeV]: 0.5251 - 0.8832
- radiative corrections:
- Yes by MCGPJ
SND (VEPP-2M, Novosibirsk), 2005 (errata)
- hepdata: ins686349
- method: Direct
- quotes:
- $|F_\pi|^2$ (only uncorrelated errors)
- $\sigma_{\pi^+\pi^-}$ (only uncorrelated errors)
- $\sigma_{\pi^+\pi^-}^{pol}$ (only uncorrelated errors)
- energy[GeV]: 0.39 - 0.97
- radiative corrections:
- Yes by MCGPJ
- comment:
- data according to errata HEP-EX/0605013
CMD2 (VEPP-2M, Novosibirsk), 2007
- hepdata: ins728302
- method: Direct
- quotes:
- $|F_\pi|^2$ (stat, syst)
- $\sigma_{\pi^+\pi^-}^{bare}$ (stat, syst)
- energy[GeV]: 0.6 - 0.97
- radiative corrections:
- Yes by MCGPJ
CMD2 (VEPP-2M, Novosibirsk), 2006
- hepdata: ins728191
- method: Direct
- quotes:
- $|F_\pi|^2$ (stat, syst)
- $\sigma_{\pi^+\pi^-}^{bare}$ (stat, syst)
- energy[GeV]: 0.37 - 0.52
- radiative corrections:
- Yes by MCGPJ
CMD2 (VEPP-2M, Novosibirsk), 2005
- hepdata: ins712216
- method: Direct
- quotes:
- $|F_\pi|^2$ (stat, syst)
- energy[GeV]: 0.98 - 1.38
- radiative corrections:
- Yes by MCGPJ
CMD2 (VEPP-2M, Novosibirsk), 2002 (errata)
- hepdata: ins568807
- method: Direct
- quotes:
- $|F_\pi|^2$ (tot, stat, syst)
- $\sigma_{\pi^+\pi^-}^{bare}$ (tot, stat, syst)
- energy[GeV]: 0.6105 - 0.96152
- radiative corrections:
- Yes by MCGPJ
- comment:
- data according to errata HEP-EX/0308008
OLYA (VEPP-2M, Novosibirsk), 1984
- hepdata: ins221309
- method: Direct
- quotes:
- $|F_\pi|^2$ (stat, syst)
- $\sigma_{\pi^+\pi^-}$ (stat, syst)
- energy[GeV]: 0.4 - 1.397
- radiative corrections:
- Yes partially
- comment:
- data should be corrected by VP:
- used only lepton part of VP in luminosity
- lepton VP in luminosity subtracted from measured $F_\pi$
- correction:
- $[\alpha(t_{min})\,/\,\alpha_{lep}(t_{min})]^2 \cdot [\alpha_{lep}(s)/\alpha]^2$
- $t_{min}=-s \cdot [1-\cos(th_{cut})]/2$
- $\cos(th_{cut})=0.71$
- data should be corrected by VP:
CMD (VEPP-2M, Novosibirsk), 1983
- hepdata: ins221309
- method: Direct
- quotes:
- $|F_\pi|^2$ (stat, syst)
- $\sigma_{\pi^+\pi^-}$ (stat, syst)
- energy[GeV]: 0.360 - 0.820
- radiative corrections:
- Yes partially
- comment:
- data should be corrected by VP:
- used only lepton part of VP in luminosity
- lepton VP in luminosity subtracted from measured $F_\pi$
- correction:
- $[\alpha(t_{min})\,/\,\alpha_{lep}(t_{min})]^2 \cdot [\alpha_{lep}(s)/\alpha]^2$
- $t_{min}=-s \cdot [1-\cos(th_{cut})]/2$
- $\cos(th_{cut})=0.6$
- data should be corrected by VP:
TOF (VEPP-2M, Novosibirsk), 1981
- hepdata: ins167191
- method: Direct
- quotes:
- $F_\pi$ (stat)
- $\sigma_{\pi^+\pi^-}$ (stat)
- energy[GeV]: 0.4 - 0.46
- radiative corrections:
- Yes partially
- comment:
- data should be corrected by VP:
- used only lepton part of VP in luminosity
- lepton VP subtracted from measured $F_\pi$
- correction:
- $[\alpha(t_{min})\,/\,\alpha_{lep}(t_{min})]^2 \cdot [\alpha_{lep}(s)/\alpha]^2$
- $t_{min}=-s \cdot [1-\cos(th_{cut})]/2$
- $\cos(th_{cut})=0.24$
- part of systematic is included in total error
- cross section without FSR
- data should be corrected by VP:
- hepdata: ins75634
- method: Direct
- quotes:
- $|F_\pi|^2$ (tot)
- $\sigma_{\pi^+\pi^-}$ (tot)
- energy [GeV]: 1.18 - 1.34
- radiative corrections:
- Yes by Baier group
- comment:
- systematic is included in total error
- hepdata: ins69313
- method: Direct
- quotes:
- $|F_\pi|^2$ (tot)
- energy [GeV]: 1.02
- radiative corrections:
- Yes by Baier group
- comment:
- systematic is included in total error
- hepdata: ins57008
- method: Direct
- quotes:
- $|F_\pi|^2$ (tot)
- energy [GeV]: 0.575 - 1.000
- radiative corrections:
- Yes with Baier group calculation
- comment:
- Systematic is included in total error
- Initial measurment without radiative corrections: VEPP-2 (Novosibirsk), 1967(hepdata: ins1392895)