Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)

I (J P ) = 1( 21 − ) Status:

Σ (1900) 1/2−∗∗OMITTED FROM SUMMARY TABLEΣ (1900) POLE POSITIONREAL PARTVALUE

DOCUMENT ID

1936± 10SARANTSEV

TECN

19

COMMENTDPWA K N multichannel−2×IMAGINARY PARTVALUE

DOCUMENT ID

150± 25SARANTSEV

TECN

19

COMMENTDPWA K N multichannel

Σ (1900) POLE RESIDUESThe normalized residue is the residue divided by Γpole /2.

Normalized residue in N K → Σ (1900) → N K
MODULUSPHASE (◦ )DOCUMENT ID

0.45± 0.09

90 ± 25SARANTSEVTECN

19COMMENTDPWA K N multichannel

Normalized residue in N K → Σ (1900) → Σ π
MODULUSPHASE (◦ )DOCUMENT ID

0.38± 0.08

95 ± 20SARANTSEVTECN

19COMMENTDPWA K N multichannel

Normalized residue in N K → Σ (1900) → Σ η
MODULUSPHASE (◦ )DOCUMENT ID

0.03± 0.01

20 ± 20SARANTSEV

TECN

19

COMMENTDPWA K N multichannel

Normalized residue in N K → Σ (1900) → Λ π
MODULUSPHASE (◦ )DOCUMENT ID

0.14± 0.05

− 160 ± 50

SARANTSEVTECN

19COMMENTDPWA K N multichannel

Normalized residue in N K → Σ (1900) → Ξ K
MODULUSPHASE (◦ )DOCUMENT ID

0.08± 0.05

75 ± 25SARANTSEVTECN

19COMMENTDPWA K N multichannel

Normalized residue in N K → Σ (1900) → Σ (1385)π
MODULUSPHASE (◦ )DOCUMENT ID

0.16± 0.05

40 ± 30SARANTSEVTECN

19COMMENTDPWA K N multichannel

Normalized residue in N K → Σ (1900) → Λ(1520)π
MODULUSPHASE (◦ )DOCUMENT ID

0.04± 0.02

− 25 ± 40

SARANTSEVTECN

19COMMENTDPWA K N multichannel

Normalized residue in N K → Σ (1900) → ∆ K
MODULUSPHASE (◦ )DOCUMENT ID

0.11± 0.04

60 ± 30SARANTSEV

https://pdg.lbl.gov

Page 1TECN

19COMMENTDPWA K N multichannel

Created: 5/31/2024 10:13

Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)

Normalized residue in N K → Σ (1900) → N K ∗ (892), S=1/2, S-wave
MODULUSPHASE (◦ )DOCUMENT ID

0.17± 0.06

50 ± 50SARANTSEVTECN

19COMMENTDPWA K N multichannel

Normalized residue in N K → Σ (1900) → N K ∗ (892), S=3/2, D-wave
MODULUSPHASE (◦ )0.05± 0.04

DOCUMENT ID

SARANTSEVTECN

19COMMENTDPWA K N multichannel

Σ (1900) MASSVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

1900 to 1950 (≈ 1925) OUR ESTIMATE
1938± 12SARANTSEV 19 DPWA K N multichannel
1900± 21ZHANG
13A DPWA K N multichannel
1944± 15GOPAL
80 DPWA K N → K N
1 MARTIN
1755 or 1834
77 DPWA K N multichannel
2004± 40VANHORN
75 DPWA K − p → Λ π 0• • • We do not use the following data for averages, fits, limits, etc. • • •1955± 15
GOPAL
77 DPWA K N multichannel
1 The two MARTIN 77 values are from a T-matrix pole and from a Breit-Wigner fit.

Σ (1900) WIDTHVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

140 to 190 (≈ 165) OUR ESTIMATE
155± 30SARANTSEV 19 DPWA K N multichannel
191± 47ZHANG
13A DPWA K N multichannel
215± 25
GOPAL
80 DPWA K N → K N
1 MARTIN
413 or 450
77 DPWA K N multichannel
116± 40VANHORN
75 DPWA K − p → Λ π 0• • • We do not use the following data for averages, fits, limits, etc. • • •170± 40
GOPAL77 DPWA K N multichannel
1 The two MARTIN 77 values are from a T-matrix pole and from a Breit-Wigner fit.

Σ (1900) DECAY MODES

Γ1
Γ2
Γ3
Γ4
Γ5Γ6Γ7Γ8Γ9Γ10Mode

Fraction (Γi /Γ)NKΣπΣηΛπΞKΣ (1385)πΛ(1520)π∆K
N K ∗ (892), S=1/2 , S-wave
N K ∗ (892), S=3/2 , D-wave

0.40 to 0.70 (≈ 0.55)

https://pdg.lbl.gov

Page 20.10 to 0.40 (≈ 0.25)(1.0 ± 1.0) %(6.0 ± 2.0) %(3.0 ± 2.0) %(7.0 ± 3.0) %(2.5 ± 1.0) %(7.0 ± 3.0) %Created: 5/31/2024 10:13

Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)Σ (1900) BRANCHING RATIOSΓ N K /Γtotal
VALUE

Γ1 /Γ
DOCUMENT ID

0.40 to 0.70 (≈ 0.55) OUR ESTIMATE
0.45± 0.09
SARANTSEV
0.67± 0.17
ZHANG

TECN

COMMENT

19 DPWA K N multichannel
13A DPWA K N multichannelΓ Σ π /Γtotal
VALUE

Γ2 /Γ
DOCUMENT ID

0.10 to 0.40 (≈ 0.25) OUR ESTIMATE
0.33± 0.07
SARANTSEV
0.10± 0.05ZHANG

TECNCOMMENT

19 DPWA K N multichannel
13A DPWA K N multichannelΓ Σ η /Γtotal

Γ3 /Γ

VALUE

DOCUMENT ID

0.01± 0.01

SARANTSEVTECN

19COMMENTDPWA K N multichannelΓ Λ π /Γtotal

Γ4 /Γ

VALUE

DOCUMENT ID

0.06± 0.02

SARANTSEVTECN

19COMMENTDPWA K N multichannelΓ Ξ K /Γtotal

Γ5 /Γ

VALUE

DOCUMENT ID

0.03± 0.02

SARANTSEVTECN

19COMMENTDPWA K N multichannelΓ Σ (1385)π /Γtotal

Γ6 /Γ

VALUE

DOCUMENT ID

0.07± 0.03

SARANTSEVTECN

19COMMENTDPWA K N multichannelΓ Λ(1520)π /Γtotal

Γ7 /Γ

VALUE

DOCUMENT ID<0.01

SARANTSEV

TECN

19

COMMENTDPWA K N multichannelΓ ∆ K /Γtotal

Γ8 /Γ

VALUE

DOCUMENT ID

0.025± 0.010

SARANTSEV

TECN

19

COMMENTDPWA K N multichannelΓ N K ∗ (892), S=1/2 , S-wave /Γtotal
VALUE

DOCUMENT ID

0.07± 0.03

SARANTSEV

Γ9 /Γ
TECN

19

COMMENTDPWA K N multichannelΓ N K ∗ (892), S=3/2 , D-wave /Γtotal
VALUE

DOCUMENT ID<0.01

SARANTSEV

https://pdg.lbl.govPage 3

Γ10 /Γ
TECN

19COMMENTDPWA K N multichannel

Created: 5/31/2024 10:13

Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)Σ (1900) REFERENCESSARANTSEV
ZHANG
GOPAL
GOPAL
MARTINVANHORN

1913A
80777775

EPJ A55 180
PR C88 035205
Toronto Conf. 159
NP B119 362
NP B127 349
NP B87 145https://pdg.lbl.gov

A.V. Sarantsev et al.
(BONN, PNPI)
H. Zhang et al.
(KSU)
G.P. Gopal(RHEL)
G.P. Gopal et al.
(LOIC, RHEL)
B.R. Martin, M.K. Pidcock, R.G. Moorhouse (LOUC+)
A.J. van Horn(LBL)

Page 4Created: 5/31/2024 10:13