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${{\mathit f}_{{2}}{(1270)}}$ MASS

INSPIRE   PDGID:

M005M

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 1275.4 \pm0.8}$ OUR AVERAGE  Error includes scale factor of 1.1. $1275.8$ $\pm1.0$ $\pm0.4$ 1 BOGOLYUBSKY 2013 SPEC 7${{\mathit \pi}^{+}}({{\mathit K}^{+}},{{\mathit p}}$) ${{\mathit A}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}{+}$ ${{\mathit X}}$ $1262$ ${}^{+1}_{-2}$ $\pm8$ 2 ABLIKIM 2006 V BES2 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $1275$ $\pm15$ ABLIKIM 2005 BES2 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $1283$ $\pm5$ ALDE 1998 GAM4 100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit n}}$ $1272$ $\pm8$ 200k PROKOSHKIN 1994 GAM2 38 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit n}}$ $1269.7$ $\pm5.2$ 5730 AUGUSTIN 1989 DM2 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ 5 ${{\mathit \pi}}$ $1283$ $\pm8$ $400$ 3 ALDE 1987 GAM4 100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ 4 ${{\mathit \pi}^{0}}{{\mathit n}}$ $1274$ $\pm5$ 3 AUGUSTIN 1987 DM2 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $1283$ $\pm6$ 4 LONGACRE 1986 MPS 22 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}$2 ${{\mathit K}_S^0}$ $1276$ $\pm7$ COURAU 1984 DLCO ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $1273.3$ $\pm2.3$ 5 CHABAUD 1983 ASPK 17 ${{\mathit \pi}^{-}}{{\mathit p}}$ polarized $1280$ $\pm4$ 6 CASON 1982 STRC 8 ${{\mathit \pi}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Delta}^{++}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ $1281$ $\pm7$ $11600$ GIDAL 1981 MRK2 ${{\mathit J / \psi}}$ decay $1282$ $\pm5$ 7 CORDEN 1979 OMEG 12$-$15 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}$2 ${{\mathit \pi}}$ $1269$ $\pm4$ 10k APEL 1975 NICE 40 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}$2 ${{\mathit \pi}^{0}}$ $1272$ $\pm4$ 4600 ENGLER 1974 DBC 6 ${{\mathit \pi}^{+}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}}$ $1277$ $\pm4$ 5300 FLATTE 1971 HBC 7.0 ${{\mathit \pi}^{+}}{{\mathit p}}$ $1273$ $\pm8$ 3 STUNTEBECK 1970 HBC 8 ${{\mathit \pi}^{-}}{{\mathit p}}$ , 5.4 ${{\mathit \pi}^{+}}{{\mathit d}}$ $1265$ $\pm8$ BOESEBECK 1968 HBC 8 ${{\mathit \pi}^{+}}{{\mathit p}}$ • • We do not use the following data for averages, fits, limits, etc. • • $1257$ $\pm6$ 8 KLEMPT 2022 RVUE ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ , ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ $1263$ $\pm12$ CARVER 2021 CLAS ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit p}}$ $1259$ $\pm4$ $\pm4$ 1.7k 9, 10 DOBBS 2015 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $1267$ $\pm4$ $\pm3$ 1.5k 9, 10 DOBBS 2015 ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $1277$ $\pm6$ 870 11 SCHEGELSKY 2006 A RVUE ${{\mathit \gamma}}$ ${{\mathit \gamma}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ $1251$ $\pm10$ TIKHOMIROV 2003 SPEC 40.0 ${{\mathit \pi}^{-}}$ ${}^{}\mathrm {C}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit K}_L^0}$ X $1260$ $\pm10$ 12 ALDE 1997 GAM2 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ $1278$ $\pm6$ 12 GRYGOREV 1996 SPEC 40 ${{\mathit \pi}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ X $1262$ $\pm11$ AGUILAR-BENIT.. 1991 EHS 400 ${{\mathit p}}{{\mathit p}}$ $1275$ $\pm10$ AKER 1991 CBAR $0.0$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ 3 ${{\mathit \pi}^{0}}$ $1220$ $\pm10$ BREAKSTONE 1990 SFM ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $1288$ $\pm12$ ABACHI 1986 B HRS ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ X $1284$ $\pm30$ 3k BINON 1983 GAM2 38 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}$2 ${{\mathit \eta}}$ $1280$ $\pm20$ 3k APEL 1982 CNTR 25 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}$2 ${{\mathit \pi}^{0}}$ $1284$ $\pm10$ 16000 DEUTSCHMANN 1976 HBC 16 ${{\mathit \pi}^{+}}{{\mathit p}}$ $1258$ $\pm10$ 600 TAKAHASHI 1972 HBC 8 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit n}}$2 ${{\mathit \pi}}$ $1275$ $\pm13$ ARMENISE 1970 HBC 9 ${{\mathit \pi}^{+}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $1261$ $\pm5$ 1960 3 ARMENISE 1968 DBC 5.1 ${{\mathit \pi}^{+}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{+}}$ MM${}^{-}$ $1270$ $\pm10$ 360 3 ARMENISE 1968 DBC 5.1 ${{\mathit \pi}^{+}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{0}}$ MM $1268$ $\pm6$ 13 JOHNSON 1968 HBC 3.7$-$4.2 ${{\mathit \pi}^{-}}{{\mathit p}}$ 1  Averaged over six nuclear targets, no statistically significant dependence on target nucleus observed. 2  Breit-Wigner mass. 3  Mass errors enlarged by us to $\Gamma /\sqrt {\mathit N }$; see the note with the ${{\mathit K}^{*}{(892)}}$ mass. 4  From a partial-wave analysis of data using a K-matrix formalism with 5 poles. 5  From an energy-independent partial-wave analysis. 6  From an amplitude analysis of the reaction ${{\mathit \pi}^{+}}$ ${{\mathit \pi}^{-}}$ $\rightarrow$ 2 ${{\mathit \pi}^{0}}$ . 7  From an amplitude analysis of ${{\mathit \pi}^{+}}$ ${{\mathit \pi}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ scattering data. 8  Fit of the tensor partial waves from BES3 in the multipole basis. 9  Using CLEO-c data but not authored by the CLEO Collaboration. 10  From a fit to a Breit-Wigner line shape with fixed $\Gamma $ = 185 MeV. 11  From analysis of L3 data at 91 and $183 - 209$ GeV. 12  Systematic uncertainties not estimated. 13  JOHNSON 1968 includes BONDAR 1963 , LEE 1964 , DERADO 1965 , EISNER 1967 .

References:

KLEMPT 2022 PL B830 137171 Search for the tensor glueball CARVER 2021 PRL 126 082002 Photoproduction of the $f_2(1270)$ meson using the CLAS detector DOBBS 2015 PR D91 052006 Comprehensive Study of the Radiative Decays of ${{\mathit J / \psi}}$ and ${{\mathit \psi}{(2S)}}$ to Pseudoscalar Meson Pairs, and Search for Glueballs BOGOLYUBSKY 2013 PAN 76 1324 Measurement of Neutral-Meson Masses in Meson-Nucleus Interactions at a Momentum of 7 GeV/$\mathit c$ at the Hyperon-M Setup ABLIKIM 2006V PL B642 441 Partial Wave Analyses of ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ and ${{\mathit \gamma}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ SCHEGELSKY 2006A EPJ A27 207 The ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ Final State in Two-Photon Collisions and SU(3) Tensor Nonets ABLIKIM 2005 PL B607 243 Resonances in ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ and ${{\mathit \phi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ TIKHOMIROV 2003 PAN 66 828 Resonances in the ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit K}_L^0}$ System Produced in Collisions of Negative Pions with a Carbon Target at a Momentum of 40 GeV ALDE 1998 EPJ A3 361 Study of the ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ System with the GAMS-4000 Spectrometer at 100 ${\mathrm {GeV/}}\mathit c$ Also PAN 62 405 Investigation of the ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ System at a Primary Momentum of 100 ${\mathrm {GeV/}}\mathit c$ by using the GAMS-4000 Spectrometer ALDE 1997 PL B397 350 Study of the ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ System in ${{\mathit p}}{{\mathit p}}$ Central Collisions at 450 ${\mathrm {GeV/}}\mathit c$ GRYGOREV 1996 PAN 59 2105 Observation of an Anomaly in the Invariant Mass of Two ${{\mathit K}_S^0}$ Mesons near 1245 MeV PROKOSHKIN 1994 PD 39 420 Partial-Wave Analysis of ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit n}}$ Reaction at 38 ${\mathrm {GeV/}}\mathit c$ Momentum in the Mass Range up to 1.9 GeV AGUILAR-BENITEZ 1991 ZPHY C50 405 Inclusive Particle Production in 400 ${\mathrm {GeV/}}\mathit c$ ${{\mathit p}}{{\mathit p}}$ Interactions AKER 1991 PL B260 249 Observation of a $2+{}^{+}{}^{}$ Resonance at 1515 MeV in Proton Antiproton Annihilation into 3${{\mathit \pi}^{0}}$ BREAKSTONE 1990 ZPHY C48 569 The Reaction pomeron pomeron $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ and an Unusual Production Mechanism for the ${{\mathit f}_{{2}}{(1270)}}$ AUGUSTIN 1989 NP B320 1 Study of the ${{\mathit J / \psi}}$ Decay into Five Pions ALDE 1987 PL B198 286 Neutral Mesons Decaying into 4${{\mathit \pi}^{0}}$ AUGUSTIN 1987 ZPHY C36 369 Radiative Decay of ${{\mathit J / \psi}}$ into ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ABACHI 1986B PRL 57 1990 Observation of Tensor and Scalar Mesons Produced in ${{\mathit e}^{+}}{{\mathit e}^{-}}$ Annihilation at 29 GeV LONGACRE 1986 PL B177 223 A Measurement of ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit n}}$ at 22 ${\mathrm {GeV/}}\mathit c$ and a Systematic Study of the $2+{}^{+}{}^{}$ Meson Spectrum COURAU 1984 PL 147B 227 Pion Pair Production from ${{\mathit \gamma}}{{\mathit \gamma}}$ Interactions at PEP and the Radiative Width of the ${{\mathit f}}$ Meson BINON 1983 NC 78A 313 Observation of Scalar ${{\mathit G}{(1590)}}$ Meson Decaying into ${{\mathit \eta}}{{\mathit \eta}}$ Also SJNP 38 561 Observation of Scalar ${{\mathit G}{(1590)}}$ Meson Decaying into ${{\mathit \eta}}{{\mathit \eta}}$ CHABAUD 1983 NP B223 1 Experimental Indications for a $2+{}^{+}{}^{}$ non (${\mathit {\mathit q}}{\mathit {\overline{\mathit q}}}$) Object APEL 1982 NP B201 197 Measurement of ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ 2 ${{\mathit \pi}^{0}}{{\mathit n}}$ at 25 ${\mathrm {GeV/}}\mathit c$ CASON 1982 PRL 48 1316 Amplitude Analysis of the Reaction ${{\mathit \pi}^{+}}$ ${{\mathit \pi}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ from 1.0 to 2.3 GeV GIDAL 1981 PL 107B 153 Observation of ${{\mathit S}^{*}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ in ${{\mathit \psi}}$ Decay CORDEN 1979 NP B157 250 An Amplitude Analysis of ${{\mathit \pi}}{{\mathit \pi}}$ Scattering from New Data on the Reaction ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit n}}$ DEUTSCHMANN 1976 NP B103 426 ${{\mathit \rho}^{0}}$ and ${{\mathit f}}$ Production in ${{\mathit \pi}^{+}}{{\mathit p}}$ Interactions APEL 1975 PL 57B 398 Observation of a Spin 4 Neutral Meson with 2 GeV Mass Decaying in ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ ENGLER 1974 PR D10 2070 ${{\mathit \pi}}{{\mathit \pi}}$ Scattering in the Energy Region 0.6 to 1.42 GeV TAKAHASHI 1972 PR D6 1266 Further Aspects of the Reaction ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit n}}$ at 8 ${\mathrm {GeV/}}\mathit c$ FLATTE 1971 PL 34B 551 ${{\mathit f}^{0}}$ Mass Spectrum in 7 ${\mathrm {GeV/}}\mathit c$ ${{\mathit \pi}^{+}}{{\mathit p}}$ Interactions ARMENISE 1970 LNC 4 199 Nonstrange Boson Resonances Produced in ${{\mathit \pi}^{+}}{{\mathit d}}$ Interactions at 9 ${\mathrm {GeV/}}\mathit c$ STUNTEBECK 1970 PL 32B 391 Evidence for Structure in the ${{\mathit f}^{0}}$ and ${{\mathit g}^{0}}$ Dipion Mass Regions ARMENISE 1968 NC 54A 999 Dipion System in ${{\mathit \pi}^{+}}{{\mathit d}}$ Interactions at 5.1 ${\mathrm {GeV/}}\mathit c$. Search for Epsilon Zero and G Quantum Numbers. BOESEBECK 1968 NP B4 501 Resonance Production in 8 ${\mathrm {GeV/}}\mathit c$ ${{\mathit \pi}^{+}}$ Interactions in Hydrogen. JOHNSON 1968 PR 176 1651 Compilation of ${{\mathit \pi}^{-}}{{\mathit p}}$ Data at 4 ${\mathrm {GeV/}}\mathit c$: Backward Resonance Production and ${{\mathit \pi}}{{\mathit \pi}}$ Scattering