# ${{\boldsymbol K}_{{2}}{(1770)}}$ WIDTH INSPIRE search

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT
$\bf{ 186 \pm14}$ OUR AVERAGE
$217$ $\pm116$ ${}^{+221}_{-154}$ 4289 1
 2017 C
LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$
$186$ $\pm14$ 2
 1993
LASS 11 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \omega}}{{\mathit p}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$147$ $\pm70$
 2003
SPEC 40.0 ${{\mathit \pi}^{-}}$ ${}^{}\mathrm {C}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit K}_L^0}$ X
$140$ $\pm40$
 1986
OMEG + 13 ${{\mathit K}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit K}^{+}}{{\mathit p}}$
$\sim$$220  1983 OMEG - 18.5 {{\mathit K}^{-}} {{\mathit p}} \rightarrow 3 {{\mathit K}}{{\mathit p}} \sim$$210$ 3
 1981 C
CNTR - 63 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}$2 ${{\mathit \pi}}{{\mathit p}}$
$110$ $\pm50$ 60
 1974
HBC - 7.3 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \omega}}{{\mathit p}}$
$100$ $\pm26$
 1972
MMS - 11$-$16 ${{\mathit K}^{-}}{{\mathit p}}$
$210$ $\pm30$ 306 4
 1972 B
DBC + 12 ${{\mathit K}^{+}}{{\mathit d}}$
$90$ $\pm70$ 5
 1971
HBC + 10 ${{\mathit K}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}}$2 ${{\mathit \pi}}{{\mathit N}}$
$130$
 1971
DBC - 12.6 ${{\mathit K}^{-}}$ ${{\mathit d}}$ $\rightarrow$ ${{\overline{\mathit K}}}$2 ${{\mathit \pi}}{{\mathit d}}$
$100$ $\pm50$
 1970 C
HBC - 4.6 ${{\mathit K}^{-}}{{\mathit p}}$
$138$ $\pm40$
 1970 C
HBC - 10.1 ${{\mathit K}^{-}}{{\mathit p}}$
$50$ ${}^{+40}_{-20}$
 1970
HBC - 12.6 ${{\mathit K}^{-}}{{\mathit p}}$
1  From an amplitude analysis of the decay ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ with a significance of 5.0 $\sigma$.
2  From a partial wave analysis of the ${{\mathit K}^{-}}{{\mathit \omega}}$ system.
3  From a partial wave analysis of the ${{\mathit K}^{-}}$2 ${{\mathit \pi}}$ system.
4  Produced in conjunction with excited deuteron.
References:
 AAIJ 2017C
PRL 118 022003 Observation of ${{\mathit J / \psi}}{{\mathit \phi}}$ Structures Consistent with Exotic States from Amplitude Analysis of ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}{{\mathit K}^{+}}$ Decays
 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
 ASTON 1993
PL B308 186 Evidence for Two $\mathit J{}^{P} = 2{}^{-}$ Strange Meson States in the ${{\mathit K}_{{2}}{(1770)}}$ Region
 FRAME 1986
NP B276 667 A Spin Parity Analysis of the ${{\mathit \phi}}{{\mathit K}^{+}}$ System Produced in the Reaction ${{\mathit K}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit K}^{+}}{{\mathit p}}$ , ${{\mathit \phi}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$ at 13 ${\mathrm {GeV/}}\mathit c$
 ARMSTRONG 1983
NP B221 1 A Partial Wave Analysis of the ${{\mathit K}^{-}}{{\mathit \phi}}$ System Produced in the Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}^{-}}{{\mathit p}}$ at 18.5 ${\mathrm {GeV/}}\mathit c$
 DAUM 1981C
NP B187 1 Diffractive Production of Strange Mesons at 63 GeV
 CHUNG 1974
PL 51B 413 Analysis of the ${{\mathit K}}{{\mathit \omega}}$ Spectrum
 BLIEDEN 1972
PL 39B 668 Measurement of ${{\mathit K}^{*-}}$ Production in the Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{*-}}{{\mathit p}}$
 FIRESTONE 1972B
PR D5 505 Coherent ${{\mathit K}^{+}}{{\mathit d}}$ Interactions at 12 ${\mathrm {GeV/}}\mathit c$
 COLLEY 1971
NP B26 71 Study of the ${{\mathit L}}$ Meson in 10 ${\mathrm {GeV/}}\mathit c$ ${{\mathit K}^{+}}{{\mathit p}}$ Interactions
 DENEGRI 1971
NP B28 13 Coherent ${{\mathit K}^{-}}{{\mathit d}}$ Interactions at 12.6 ${\mathrm {GeV/}}\mathit c$
 AGUILAR-BENITEZ 1970C
PRL 25 54 Production of the ${{\mathit L}}$ Meson in the Final State ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}}$ at 4.6 ${\mathrm {GeV/}}\mathit c$
 BARTSCH 1970C
PL 33B 186 Evidence that the ${{\mathit L}}$ Meson Has Decay Modes other than ${{\mathit K}^{*}{(1420)}}{{\mathit \pi}}$
 LUDLAM 1970
PR D2 1234 A Study of the ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$ System in ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}}$ at 12.6 ${\mathrm {GeV/}}\mathit c$