ReviewofParticlePhysics:C.Casoetal.(ParticleDataGroup),EuropeanPhysicalJournalC3,1(1998)
Σ(1775)D15
I(JP)=1(5
Σ(1775)MASS
VALUE(MeV)
DOCUMENTID
TECN
COMMENT
KN→KN→
KNmultichannel
1775±10
BAILLON
75IPWA
1765DEBELLEFON76IPWA
KNmultichannelK−p→Λπ0
105to135(≈120)OURESTIMATE137±10GOPAL116±10ALSTON-...130±10GOPAL
80DPWA
78DPWA77DPWA
KNKN
KN→Λπ
146±18VANHORN75DPWAK−p→Λπ0154±10KANE74DPWAK−p→Σπ•••Wedonotusethefollowingdataforaverages,fits,limits,etc.•••
1MARTIN102or10377DPWA
Σ(1775)DECAYMODES
Mode
Fraction(Γi/Γ)37–43%
14–20%2–5%
Γ2Γ3
KΛπΣπ
HTTP://PDG.LBL.GOVPage1Created:6/29/199811:29
ReviewofParticlePhysics:C.Casoetal.(ParticleDataGroup),EuropeanPhysicalJournalC3,1(1998)
Γ4Γ5Γ6Γ7
Σ(1385)π
Σ(1385)π,D-waveΛ(1520)πΣππ
8–12%17–23%
Theabovebranchingfractionsareourestimates,notfitsoraverages.
−30
x3
−37
x6
x1
x2
x3
x4
−49
−14
ΓNK/Γtotal
0.37to0.43OURESTIMATE
0.45±0.04OURFITErrorincludesscalefactorof3.1.0.391±0.017OURAVERAGE
KN0.40±0.02GOPAL80DPWA
0.37±0.03ALSTON-...78DPWAKN•••Wedonotusethefollowingdataforaverages,fits,limits,etc.•••0.41±0.030.37or0.36
GOPAL1MARTIN
77DPWASeeGOPAL8077DPWA
Γ1/Γ
ReviewofParticlePhysics:C.Casoetal.(ParticleDataGroup),EuropeanPhysicalJournalC3,1(1998)
(ΓiΓf)/ΓtotalinNK→Σ(1775)→Λπ
VALUE
DOCUMENTID
TECN
COMMENT
1/2
1/
(Γ1Γ2)2/Γ
KNmultichannel
−0.25±0.02
BAILLON
75IPWA
−0.30DEBELLEFON76IPWA
KNmultichannelK−p→Λπ0
1/(Γ1Γ3)2/Γ
1/
(ΓiΓf)2/ΓtotalinNK→Σ(1775)→ΣπVALUE
DOCUMENTID
TECN
COMMENT
KNmultichannel
0.09±0.01KANE74DPWAK−p→Σπ•••Wedonotusethefollowingdataforaverages,fits,limits,etc.•••
1MARTIN+0.08or+0.0877DPWA
1/
(ΓiΓf)2/ΓtotalinNK→Σ(1775)→Λ(1520)π
1/(Γ1Γ6)2/Γ
0.315±0.010OURFITErrorincludesscalefactorof1.5.
0.303±0.009OURAVERAGESignsonmeasurementswereignored.
2CAMERON−0.305±0.01077DPWAK−p→Λ(1520)π0
0.31±0.02BARLETTA72DPWAK−p→Λ(1520)π00.27±0.03ARMENTEROS65CHBCK−p→Λ(1520)π0
1/
(ΓiΓf)2/ΓtotalinNK→Σ(1775)→Σ(1385)πVALUE
DOCUMENTID
TECN
COMMENT
1/(Γ1Γ4)2/Γ
ΓΛπ/ΓNK
0.46±0.09OURFIT0.33±0.05
Errorincludesscalefactorof2.9.
UHLIG67HBC
K−p0.9GeV/c
Γ2/Γ1
ΓΣππ/Γtotal
VALUE
DOCUMENTID
TECN
COMMENT
Γ7/Γ
ReviewofParticlePhysics:C.Casoetal.(ParticleDataGroup),EuropeanPhysicalJournalC3,1(1998)
Γ4/Γ1ΓΣ(1385)π/ΓNK
VALUE
DOCUMENTID
TECN
COMMENT
ΓΛ(1520)π/ΓNK
0.49±0.11OURFIT0.28±0.05
Errorincludesscalefactorof3.5.
UHLIG67HBC
K−p0.9GeV/c
Γ6/Γ1
Σ(1775)REFERENCES
PDG
GOPALALSTON-...
AlsoCAMERONCAMERONGOPALMARTIN
AlsoAlso
DEBELLEFONBAILLONVANHORN
AlsoDEVENISHKANEPREVOSTBARLETTA
Also
ARMENTEROSSIMS
ARMENTEROSUHLIG
ARMENTEROSGALTIERI
82PL111B80TorontoConf.15978PRD1818277PRL38100778NPB143177NPB13139977NPB11936277NPB12734977BNPB12626677CNPB12628576NPB10912975NPB943975NPB8714575BNPB8715774BNPB8133074LBL-245274NPB6924672NPB404566PRL1784168CNPB821668PRL21141367CZPHY20248667PR155144865CPL1933863PL6296
(HELS,CIT,CERN)
(RHEL)IJP
Alston-Garnjost,Kenney+(LBL,MTHO,CERN)IJPAlston-Garnjost,Kenney+(LBL,MTHO,CERN)IJP+Franek,Gopal,Bacon,Butterworth+(RHEL,LOIC)IJP+Franek,Gopal,Kalmus,McPherson+(RHEL,LOIC)IJP+Ross,VanHorn,McPherson+(LOIC,RHEL)IJP+Pidcock,Moorhouse(LOUC,GLAS)IJPMartin,Pidcock(LOUC)Martin,Pidcock(LOUC)IJPDeBellefon,Berthon(CDEF)IJP+Litchfield(CERN,RHEL)IJP
(LBL)IJP
VanHorn(LBL)IJP+Froggatt,Martin(DESY,NORD,LOUC)
(LBL)IJP
+Barloutaud+(SACL,CERN,HEID)
(EFI)IJP
Fenster,Gelfand,Harmsen+(CHIC,ANL,CERN)IJP+Baillon+(CERN,HEID,SACL)I+Albright,Bartley,Meer+(FSU,TUFTS,BRAN)+Ferro-Luzzi+(CERN,HEID,SACL)+Charlton,Condon,Glasser,Yodh+(UMD,NRL)+Ferro-Luzzi+(CERN,HEID,SACL)IJP+Hussain,Tripp(LRL)IJRoos,Porter,Aguilar-Benitez+
