Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)∆(1910) 1/2+I (J P ) = 23 ( 21 + ) Status:∗∗∗∗Older and obsolete values are listed and referenced in the 2014 edition, Chinese Physics C38 070001 (2014).

∆(1910) POLE POSITIONREAL PARTVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

1800 to 1900 (≈ 1850) OUR ESTIMATE
1802± 6
ROENCHEN 22 DPWA Multichannel
1840± 40SOKHOYAN 15A DPWA Multichannel
1 SVARC
1896± 1114 L+P
πN → πN
1880± 30
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •1801
HUNT1799
ROENCHEN
1840± 40
GUTZ
1850± 40
ANISOVICH
1771
ARNDT
1880
VRANA
1874
HOEHLER
1 Fit to the amplitudes of HOEHLER 79.

1915A
1412A
060093DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA π N → π N, η N
DPWA Multichannel
SPED π N → π N−2×IMAGINARY PARTVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

200 to 500 (≈ 350) OUR ESTIMATE
550± 11
ROENCHEN 22 DPWA Multichannel
370± 60SOKHOYAN 15A DPWA Multichannel
1 SVARC
302± 2214 L+P
πN → πN
200± 40
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •224
HUNT648
ROENCHEN
370± 60
GUTZ
350± 45
ANISOVICH
479
ARNDT496
VRANA
283
HOEHLER
1 Fit to the amplitudes of HOEHLER 79.

1915A
1412A
0600
93

DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA π N → π N, η N
DPWA Multichannel
SPED π N → π N∆(1910) ELASTIC POLE RESIDUEMODULUS r
VALUE (MeV)

DOCUMENT ID

20 to 30 (≈ 25) OUR ESTIMATE
35± 13
ROENCHEN25± 6
SOKHOYAN
1 SVARC29± 2
20± 4
CUTKOSKY

https://pdg.lbl.gov

Page 1TECN

2215A
1480

COMMENTDPWA Multichannel
DPWA Multichannel
L+PπN → πN
IPWA π N → π N

Created: 5/31/2024 10:12

Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)• • • We do not use the following data for averages, fits, limits, etc. • • •90
ROENCHEN
25± 6
GUTZ
24± 6
ANISOVICH
45
ARNDT
38
HOEHLER
1 Fit to the amplitudes of HOEHLER 79.

15A
1412A0693

DPWA MultichannelDPWA Multichannel
DPWA Multichannel
DPWA π N → π N, η N
SPED π N → π N

PHASE θVALUE (◦ )DOCUMENT ID

TECNCOMMENT− 180 to 90 (≈ − 90) OUR ESTIMATE93± 7
ROENCHEN 22 DPWA Multichannel− 155± 30
SOKHOYAN 15A DPWA Multichannel
1 SVARC− 83± 4± 1
14 L+P
πN → πN− 90± 30
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •− 83
ROENCHEN− 155± 30
GUTZ− 145± 30
ANISOVICH+ 172
ARNDT
1 Fit to the amplitudes of HOEHLER 79.

15A1412A06

DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA π N → π N, η N∆(1910) INELASTIC POLE RESIDUE
The “normalized residue” is the residue divided by Γpole /2.

Normalized residue in N π → ∆(1910) → Σ K
MODULUSPHASE (◦ )DOCUMENT ID

TECNCOMMENT

0.002± 0.002
138 ± 10ROENCHEN 22 DPWA Multichannel
0.07 ± 0.02
− 110 ± 30
ANISOVICH
12A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.019− 123

ROENCHEN

15A DPWA MultichannelNormalized residue in N π → ∆(1910) → ∆ π, P-wave
MODULUSPHASE (◦ )DOCUMENT ID

TECNCOMMENT0.24± 0.09
− 42 ± 7
ROENCHEN 22 DPWA Multichannel
0.24± 0.10
85 ± 35SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.58
0.16± 0.09

131
95 ± 40

ROENCHENANISOVICH

15A DPWA Multichannel
12A DPWA Multichannel

Normalized residue in N π → ∆(1910) → ∆(1232)η
MODULUSPHASE (◦ )DOCUMENT ID

0.11± 0.04

− 150 ± 50

GUTZ

TECN

14COMMENTDPWA Multichannel

Normalized residue in N π → ∆(1910) → N(1440)πMODULUSPHASE (◦ )DOCUMENT ID

0.06± 0.03

170 ± 45SOKHOYAN

https://pdg.lbl.gov

Page 2TECNCOMMENT

15A DPWA Multichannel

Created: 5/31/2024 10:12

Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)∆(1910) BREIT-WIGNER MASSVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

1850 to 1950 (≈ 1900) OUR ESTIMATE
1 HUNT
1846 ± 18
19 DPWA Multichannel
1845 ± 40
SOKHOYAN 15A DPWA Multichannel
1 ARNDT
2067.9± 1.706 DPWA π N → π N, η N1910 ± 40
CUTKOSKY 80 IPWA π N → π N
1888 ± 20
HOEHLER
79 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •1845 ± 40
1860 ± 40
1934 ± 51995 ± 12
1 Statistical error only.

GUTZ
ANISOVICH
1 SHRESTHA
VRANA

1412A
12A00

DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA Multichannel∆(1910) BREIT-WIGNER WIDTHVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

200 to 400 (≈ 300) OUR ESTIMATE
1 HUNT260± 57
19 DPWA Multichannel
360± 60SOKHOYAN 15A DPWA Multichannel
1 ARNDT543± 1006 DPWA π N → π N, η N
225± 50
CUTKOSKY 80 IPWA π N → π N
280± 50
HOEHLER
79 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •360± 60
350± 55
211± 11713± 465
1 Statistical error only.

GUTZ
ANISOVICH
1 SHRESTHA
VRANA

1412A
12A00

DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA Multichannel∆(1910) DECAY MODES
The following branching fractions are our estimates, not fits or averages.

Γ1Γ2
Γ3
Γ4
Γ5
Γ6ModeFraction (Γi /Γ)NπΣK∆(1232)πN(1440)π∆(1232)η
N γ , helicity=1/2

10–30%
4–14%

https://pdg.lbl.gov

34–66%
3–45%
5–13%
0.0–0.02 %Page 3Created: 5/31/2024 10:12

Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)∆(1910) BRANCHING RATIOSΓ N π /Γtotal
VALUE (%)

Γ1 /ΓDOCUMENT ID

TECNCOMMENT

10–30% OUR ESTIMATE
1 HUNT
13 ± 319 DPWA Multichannel
12 ± 3SOKHOYAN 15A DPWA Multichannel
1 ARNDT23.9± 0.1
06 DPWA π N → π N, η N
19 ± 3CUTKOSKY 80 IPWA π N → π N
24 ± 6
HOEHLER
79 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •12 ± 312 ± 317 ± 129 ± 21
1 Statistical error only.

GUTZ
ANISOVICH
1 SHRESTHA
VRANA

1412A
12A00

DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA MultichannelΓ Σ K /Γtotal

Γ2 /Γ

VALUE (%)

DOCUMENT ID

4–14% OUR ESTIMATE
9± 5

ANISOVICHTECNCOMMENT

12A DPWA MultichannelΓ ∆(1232)π /Γtotal
VALUE (%)

Γ3 /ΓDOCUMENT IDTECNCOMMENT

34–66% OUR ESTIMATE
50± 16SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •60± 28ANISOVICH

12A DPWA MultichannelΓ N(1440)π /Γtotal
VALUE (%)

Γ4 /ΓDOCUMENT ID

TECNCOMMENT

3–45% OUR ESTIMATE
1 HUNT33± 1219 DPWA Multichannel
6± 3
SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •1 SHRESTHA
47± 6
12A DPWA Multichannel
56± 7
1 Statistical error only.

VRANA00

DPWA MultichannelΓ ∆(1232)η /Γtotal

Γ5 /Γ

VALUE (%)

DOCUMENT ID

5–13% OUR ESTIMATE
9± 4

GUTZ

https://pdg.lbl.gov

Page 4TECN14COMMENTDPWA Multichannel

Created: 5/31/2024 10:12

Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)∆(1910) PHOTON DECAY AMPLITUDES AT THE POLE∆(1910) → N γ , helicity-1/2 amplitude A1/2
MODULUS (GeV−1/2 )PHASE (◦ )DOCUMENT ID

TECNCOMMENT− 0.446± 0.036− 70 ± 11
ROENCHEN 22 DPWA Multichannel
0.027± 0.009− 30 ± 60
SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.321

39

ROENCHEN

15A DPWA Multichannel∆(1910) BREIT-WIGNER PHOTON DECAY AMPLITUDES∆(1910) → N γ , helicity-1/2 amplitude A1/2
VALUE (GeV−1/2 )DOCUMENT ID

TECNCOMMENT

0.010 to 0.030 (≈ 0.020) OUR ESTIMATE
1 HUNT
0.203± 0.056
19 DPWA Multichannel
0.026± 0.008
SOKHOYAN 15A DPWA Multichannel
1 ARNDT− 0.002± 0.008
96 IPWA γ N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •0.026± 0.008
0.022± 0.009
0.030± 0.002
1 Statistical error only.

GUTZ
ANISOVICH
1 SHRESTHA

14 DPWA Multichannel
12A DPWA Multichannel
12A DPWA Multichannel∆(1910) REFERENCES
For early references, see Physics Letters 111B 1 (1982).
ROENCHEN
HUNTROENCHENSOKHOYAN
GUTZ
PDG
SVARC
ANISOVICHSHRESTHA
ARNDT
VRANA
ARNDT
HOEHLER
CUTKOSKY
Also
HOEHLER
Also

221915A
15A
14141412A
12A
0600
96938079

EPJ A58 229
PR C99 055205
EPJ A51 70EPJ A51 95
EPJ A50 74
CP C38 070001
PR C89 045205
EPJ A48 15
PR C86 055203
PR C74 045205
PRPL 328 181
PR C53 430
π N Newsletter 9 1
Toronto Conf. 19
PR D20 2839
PDAT 12-1
Toronto Conf. 3

https://pdg.lbl.gov

D. Roenchen et al.
(JULI, GWU, BONN+)
B.C. Hunt, D.M. Manley
D. Roenchen et al.
V. Sokhoyan et al.
(CBELSA/TAPS Collab.)
E. Gutz et al.
(CBELSA/TAPS Collab.)
K. Olive et al.
(PDG Collab.)
A. Svarc et al.
(RBI Zagreb, UNI Tuzla)
A.V. Anisovich et al.
(BONN, PNPI)
M. Shrestha, D.M. Manley(KSU)
R.A. Arndt et al.
(GWU)
T.P. Vrana, S.A. Dytman, T.-S.H. Lee(PITT, ANL)
R.A. Arndt, I.I. Strakovsky, R.L. Workman(VPI)
G. Hohler(KARL)
R.E. Cutkosky et al.
(CMU, LBL) IJP
R.E. Cutkosky et al.
(CMU, LBL) IJP
G. Hohler et al.
(KARLT) IJP
R. Koch(KARLT) IJP

Page 5Created: 5/31/2024 10:12