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

N(1720) 3/2+I (J P ) = 21 ( 23 + ) Status:∗∗∗∗Older and obsolete values are listed and referenced in the 2014 edition, Chinese Physics C38 070001 (2014).

N(1720) POLE POSITIONREAL PARTVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

1660 to 1710 (≈ 1680) OUR ESTIMATE
1726± 4
ROENCHEN 22 DPWA Multichannel
1670± 25SOKHOYAN 15A DPWA Multichannel
1 SVARC
1677± 4± 114 L+P
πN → πN
1680± 30
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •
1654
HUNT
1710
ROENCHEN
1670
SHKLYAR
1660± 30
ANISOVICH
1691± 23
BATINIC
1666
ARNDT
1692
VRANA
1686
HOEHLER
1 Fit to the amplitudes of HOEHLER 79.

1915A
1312A
10060093

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

DOCUMENT ID

TECNCOMMENT

150 to 300 (≈ 200) OUR ESTIMATE
185± 6
ROENCHEN 22 DPWA Multichannel430± 100
SOKHOYAN 15A DPWA Multichannel
1 SVARC14 L+P
πN → πN
184± 8± 1
120± 40
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •100
HUNT219
ROENCHEN118SHKLYAR
450± 100
ANISOVICH
233± 23
BATINIC
355
ARNDT
94
VRANA
187
HOEHLER
1 Fit to the amplitudes of HOEHLER 79.

https://pdg.lbl.gov

Page 11915A
1312A
10060093

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

Created: 5/31/2024 10:12

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

N(1720) ELASTIC POLE RESIDUEMODULUS r
VALUE (MeV)

DOCUMENT ID

TECNCOMMENT

10 to 25 (≈ 15) OUR ESTIMATE
15 ± 1ROENCHEN 22 DPWA Multichannel
26 ± 10SOKHOYAN 15A DPWA Multichannel
1 SVARC
13 ± 114 L+P
πN → πN
8 ± 2
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •4.2
ROENCHEN12SHKLYAR22 ± 8
ANISOVICH
20BATINIC
25ARNDT15HOEHLER
1 Fit to the amplitudes of HOEHLER 79.

15A1312A100693

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

PHASE θVALUE (◦ )DOCUMENT ID

TECNCOMMENT− 160 to − 60 (≈ − 110) OUR ESTIMATE− 60± 3
ROENCHEN 22 DPWA Multichannel− 100± 25
SOKHOYAN 15A DPWA Multichannel
1− 115± 3± 2
SVARC14 L+P
πN → πN− 160± 30
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •− 47
ROENCHEN− 45
SHKLYAR− 115± 30
ANISOVICH− 109
BATINIC− 94
ARNDT
1 Fit to the amplitudes of HOEHLER 79.

15A
1312A
1006

DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA π N → N π, N η
DPWA π N → π N, η N

N(1720) INELASTIC POLE RESIDUE
The “normalized residue” is the residue divided by Γpole /2.

Normalized residue in N π → N(1720) → N η
MODULUSPHASE (◦ )DOCUMENT ID

TECNCOMMENT0.049± 0.005
64 ± 5ROENCHEN 22 DPWA Multichannel
0.03 ± 0.02
ANISOVICH
12A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.007

106

ROENCHEN

15A DPWA Multichannel

Normalized residue in N π → N(1720) → Λ K
MODULUSPHASE (◦ )DOCUMENT ID

TECNCOMMENT0.034± 0.002− 101 ± 4
ROENCHEN 22 DPWA Multichannel
0.06 ± 0.04
− 150 ± 45
ANISOVICH
12A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.011− 70

https://pdg.lbl.gov

ROENCHENPage 2

15A DPWA Multichannel

Created: 5/31/2024 10:12

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

Normalized residue in N π → N(1720) → Σ K
MODULUSPHASE (◦ )DOCUMENT ID

TECNCOMMENT

0.059± 0.005
82 ± 3
ROENCHEN 22 DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.002

79

ROENCHEN

15A DPWA Multichannel

Normalized residue in N π → N(1720) → ∆ π, P-wave
MODULUSPHASE (◦ )DOCUMENT ID

TECNCOMMENT

0.28± 0.09
95 ± 30SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.29± 0.08

80 ± 40

ANISOVICH

12A DPWA Multichannel

Normalized residue in N π → N(1720) → ∆ π, F-wave
MODULUSPHASE (◦ )DOCUMENT ID

TECNCOMMENT0.07± 0.05
SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.03± 0.03

ANISOVICH

12A DPWA Multichannel

Normalized residue in N π → N(1720) → N σMODULUS

PHASE (◦ )DOCUMENT ID

0.08± 0.04

− 110 ± 35

SOKHOYAN

TECNCOMMENT

15A DPWA Multichannel

Normalized residue in N π → N(1720) → N(1520)π, S-wave
MODULUSPHASE (◦ )DOCUMENT ID

0.05± 0.04

undefined

SOKHOYAN

TECNCOMMENT

15A DPWA MultichannelN(1720) BREIT-WIGNER MASSVALUE (MeV)

1680

DOCUMENT ID

TECNCOMMENTto 1750 (≈ 1720) OUR ESTIMATE

1745 ± 6
GOLOVATCH 19 DPWA γ p → π + π − p11711 ± 4
HUNT19 DPWA Multichannel
1690 ± 30
SOKHOYAN 15A DPWA Multichannel
1 SHKLYAR
1700 ± 1013 DPWA Multichannel
1763.8± 4.6
ARNDT
06 DPWA π N → π N, η N
1700 ± 50
CUTKOSKY 80 IPWA π N → π N
1710 ± 20
HOEHLER
79 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •2 MOKEEV
1748 ± 520 DPWA γ p → π + π − p31725 ± 10
MOKEEV
20 DPWA γ p → π + π − p701690 +ANISOVICH
12A DPWA Multichannel− 35
1 SHRESTHA
1720 ± 5
12A DPWA Multichannel
1720 ± 18
BATINIC
10 DPWA π N → N π, N η
1705 ± 10PENNER
02C DPWA Multichannel
1716 ± 112
VRANA
00 DPWA Multichannel
1 Statistical error only.
2 State a) of two states seen by the CLAS collaboration.

https://pdg.lbl.gov

Page 3Created: 5/31/2024 10:12

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

3 State b) of two states seen by the CLAS collaboration.

N(1720) BREIT-WIGNER WIDTHVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

150 to 400 (≈ 250) OUR ESTIMATE
116± 27
GOLOVATCH 19 DPWA γ p → π + π − p1229± 22
HUNT19 DPWA Multichannel
420± 80SOKHOYAN 15A DPWA Multichannel
1 SHKLYAR
152± 213 DPWA Multichannel
210± 22ARNDT
06 DPWA π N → π N, η N
125± 70
CUTKOSKY 80 IPWA π N → π N
190± 30
HOEHLER
79 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •2 MOKEEV
114± 620 DPWA γ p → π + π − p3120± 6
MOKEEV
20 DPWA γ p → π + π − p420± 100
ANISOVICH
12A DPWA Multichannel
1 SHRESTHA
200± 20
12A DPWA Multichannel
244± 28
BATINIC
10 DPWA π N → N π, N η
237± 73
PENNER02C DPWA Multichannel
121± 39
VRANA
00 DPWA Multichannel
1 Statistical error only.
2 State a) of two states seen by the CLAS collaboration.
3 State b) of two states seen by the CLAS collaboration.

N(1720) DECAY MODES
The following branching fractions are our estimates, not fits or averages.

Γ1
Γ2
Γ3
Γ4
Γ5
Γ6
Γ7
Γ8
Γ9
Γ10
Γ11
Γ12
Γ13
Γ14
Γ15

ModeFraction (Γi /Γ)NπNη
NωΛKNππ∆(1232)π∆(1232)π , P-wave∆(1232)π , F-waveNρN ρ , S=1/2, P-wave
NσN(1440)πN(1520)π , S-wave
pγp γ , helicity=1/2

8–14 %
1–5 %https://pdg.lbl.gov

12–40 %
4–19 %>50 %
47–89 %
47–77 %
<12 %1–2 %2–14 %<2 %1–5 %0.05–0.25 %0.05–0.15 %Page 4Created: 5/31/2024 10:12

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

Γ16
Γ17
Γ18
Γ19p γ , helicity=3/2nγn γ , helicity=1/2n γ , helicity=3/2

0.002–0.16 %0.0–0.016 %0.0–0.01 %0.0–0.015 %N(1720) BRANCHING RATIOSΓ N π /Γtotal
VALUE (%)

Γ1 /ΓDOCUMENT ID

TECNCOMMENT

8 to 14 (≈ 11) OUR ESTIMATE
1 HUNT
18 ± 219 DPWA Multichannel
11 ± 4SOKHOYAN 15A DPWA Multichannel
1 SHKLYAR
17 ± 213 DPWA Multichannel
9.4± 0.5
ARNDT
06 DPWA π N → π N, η N
10 ± 4
CUTKOSKY 80 IPWA π N → π N
14 ± 3
HOEHLER
79 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •10 ± 513.6± 0.6
18 ± 317 ± 25 ±5
1 Statistical error only.

ANISOVICH
1 SHRESTHABATINICPENNER
VRANA

12A12A
1002C00

DPWA Multichannel
DPWA Multichannel
DPWA π N → N π, N η
DPWA Multichannel
DPWA MultichannelΓ N η /Γtotal
VALUE (%)

Γ2 /ΓDOCUMENT ID

TECNCOMMENT

1 to 5 (≈ 3) OUR ESTIMATE
3 ±2
MUELLER
20 DPWA Multichannel
1 HUNT
3.8± 0.5
19 DPWA Multichannel< 1SHKLYAR
13 DPWA Multichannel
3 ±2
ANISOVICH
12A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •1 SHRESTHA< 112A DPWA Multichannel
0 ±110 ± 70.2± 0.2
4 ±11 Statistical error only.

BATINICTHOMAPENNER
VRANA

100802C00

DPWA π N → N π, N η
DPWA Multichannel
DPWA Multichannel
DPWA MultichannelΓ N ω /Γtotal

Γ3 /Γ

VALUE (%)

DOCUMENT ID

26± 14DENISENKO

TECN

16COMMENTDPWA MultichannelΓ Λ K /Γtotal
VALUE (%)

4–19 % OUR ESTIMATE
16 ± 34.3± 0.4

https://pdg.lbl.gov

Γ4 /Γ
DOCUMENT ID

1 HUNTSHKLYAR

Page 5TECN

1905

COMMENTDPWA Multichannel
DPWA Multichannel

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. • • •1 SHRESTHA
2.8± 0.4
12A DPWA Multichannel
12 ± 99 ±3
1 Statistical error only.

THOMAPENNER

08 DPWA Multichannel
02C DPWA MultichannelΓ N π π /Γtotal

Γ5 /Γ

VALUE (%)

DOCUMENT ID

TECN>50 % OUR ESTIMATE
84± 16

COMMENTGOLOVATCH 19

DPWA γ p → π + π − pΓ ∆(1232)π /Γtotal
VALUE (%)

Γ6 /ΓDOCUMENT ID

TECNCOMMENT• • • We do not use the following data for averages, fits, limits, etc. • • •1 MOKEEV
45± 8
20 DPWA γ p → π + π − p254± 8
MOKEEV
20 DPWA γ p → π + π − p
1 State a) of two states seen by the CLAS collaboration.
2 State b) of two states seen by the CLAS collaboration.

Γ ∆(1232)π , P-wave /Γtotal
VALUE (%)

Γ7 /ΓDOCUMENT ID

TECNCOMMENT62± 15SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •75± 15

ANISOVICH

12A DPWA MultichannelΓ ∆(1232)π , F-wave /Γtotal

Γ8 /Γ

VALUE (%)

DOCUMENT ID

6± 6

SOKHOYAN

TECNCOMMENT

15A DPWA MultichannelΓ N ρ /Γtotal
VALUE (%)

Γ9 /ΓDOCUMENT ID

TECNCOMMENT• • • We do not use the following data for averages, fits, limits, etc. • • •1 MOKEEV
38± 8
20 DPWA γ p → π + π − p
27± 3
MOKEEV
20 DPWA γ p → π + π − p
1 State a) of two states seen by the CLAS collaboration.
2 State b) of two states seen by the CLAS collaboration.

Γ N ρ , S=1/2, P-wave /Γtotal
VALUE (%)

Γ10 /Γ
DOCUMENT ID

TECNCOMMENT

1 SHRESTHA

1.4± 0.5
12A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •91 ± 1
1 Statistical error only.

VRANA00

DPWA MultichannelΓ N σ /Γtotal

Γ11 /ΓVALUE (%)

DOCUMENT ID

8± 6

SOKHOYAN

https://pdg.lbl.gov

Page 6TECNCOMMENT

15A DPWA Multichannel

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Citation: S. Navas et al. (Particle Data Group), Phys. Rev. D 110, 030001 (2024)Γ N(1440)π /Γtotal

Γ12 /ΓVALUE (%)

DOCUMENT ID<2SOKHOYANTECNCOMMENT

15A DPWA MultichannelΓ N(1520)π , S-wave /Γtotal

Γ13 /ΓVALUE (%)

DOCUMENT ID

3± 2

SOKHOYANTECNCOMMENT

15A DPWA MultichannelN(1720) PHOTON DECAY AMPLITUDES AT THE POLE
N(1720) → p γ , helicity-1/2 amplitude A1/2
MODULUS (GeV−1/2 )PHASE (◦ )DOCUMENT ID

TECNCOMMENT0.039± 0.004
60 ± 5ROENCHEN 22 DPWA Multichannel
0.115± 0.045
0 ± 35SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •
0.039

5.3

ROENCHEN

15A DPWA MultichannelN(1720) → p γ , helicity-3/2 amplitude A3/2
MODULUS (GeV−1/2 )PHASE (◦ )DOCUMENT ID

TECNCOMMENT− 0.025± 0.004− 5.7 ± 7
ROENCHEN 22 DPWA Multichannel
0.140± 0.040
65 ± 35SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.032

66

ROENCHEN

15A DPWA MultichannelN(1720) → n γ , helicity-1/2 amplitude A1/2
MODULUS (GeV−1/2 )PHASE (◦ )DOCUMENT ID+ 0.015− 0.025 −0.040− 75 ± 35

ANISOVICHTECNCOMMENT

17E DPWA MultichannelN(1720) → n γ , helicity-3/2 amplitude A3/2
MODULUS (GeV−1/2 )PHASE (◦ )DOCUMENT ID

0.100± 0.035− 80 ± 35

ANISOVICHTECNCOMMENT

17E DPWA MultichannelN(1720) BREIT-WIGNER PHOTON DECAY AMPLITUDESN(1720) → p γ , helicity-1/2 amplitude A1/2
VALUE (GeV−1/2 )DOCUMENT ID

TECNCOMMENT

0.080 to 0.120 (≈ 0.100) OUR ESTIMATE
0.0809± 0.0115
GOLOVATCH 19 DPWA γ p → π + π − p10.068 ± 0.004
HUNT
19 DPWA Multichannel
0.115 ± 0.045
SOKHOYAN 15A DPWA Multichannel
1 SHKLYAR− 0.065 ± 0.002
13 DPWA Multichannel
0.095 ± 0.002
WORKMAN
12A DPWA γ N → N π• • • We do not use the following data for averages, fits, limits, etc. • • •0.110 ± 0.045
0.057 ± 0.003
0.073

https://pdg.lbl.gov

ANISOVICH
1 SHRESTHADRECHSEL

Page 7

12A DPWA Multichannel
12A DPWA Multichannel
07 DPWA γ N → π N

Created: 5/31/2024 10:12

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

0.097 ± 0.003− 0.053
1 Statistical error only.

DUGGERPENNER

07 DPWA γ N → π N
02D DPWA MultichannelN(1720) → p γ , helicity-3/2 amplitude A3/2
VALUE (GeV−1/2 )DOCUMENT ID

TECNCOMMENT− 0.034± 0.0076
GOLOVATCH 19 DPWA γ p → π + π − p10.028± 0.003
HUNT
19 DPWA Multichannel
0.135± 0.040
SOKHOYAN 15A DPWA Multichannel
1 SHKLYAR
0.035± 0.002
13 DPWA Multichannel− 0.048± 0.002
WORKMAN
12A DPWA γ N → N π• • • We do not use the following data for averages, fits, limits, etc. • • •0.150± 0.030− 0.019± 0.002− 0.011− 0.039± 0.0030.027
1 Statistical error only.

ANISOVICH
1 SHRESTHADRECHSELDUGGERPENNER

12A
12A
070702D

DPWA Multichannel
DPWA Multichannel
DPWA γ N → π N
DPWA γ N → π N
DPWA MultichannelN(1720) → n γ , helicity-1/2 amplitude A1/2
VALUE (GeV−1/2 )DOCUMENT ID

TECNCOMMENT

1 HUNT− 0.064± 0.006
19 DPWA Multichannel+0.015− 0.028 − 0.040
ANISOVICH
17E DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •− 0.080± 0.050− 0.002± 0.001− 0.003− 0.004
1 Statistical error only.

ANISOVICH
1 SHRESTHADRECHSELPENNER

13B
12A0702D

DPWA Multichannel
DPWA Multichannel
DPWA γ N → π N
DPWA MultichannelN(1720) → n γ , helicity-3/2 amplitude A3/2
VALUE (GeV−1/2 )DOCUMENT ID

TECNCOMMENT

1 HUNT− 0.004± 0.006
19 DPWA Multichannel− 0.140± 0.065
ANISOVICH
13B DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •1 SHRESTHA− 0.001± 0.002
12A DPWA Multichannel− 0.0310.003
1 Statistical error only.

DRECHSELPENNER

07 DPWA γ N → π N
02D DPWA MultichannelN(1720) REFERENCES
For early references, see Physics Letters 111B 1 (1982).
ROENCHEN
MOKEEV

2220

EPJ A58 229
PL B805 135457

https://pdg.lbl.gov

D. Roenchen et al.
V.I. Mokeev et al.

Page 8(JULI, GWU, BONN+)(CLAS Collab.)

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

MUELLERGOLOVATCH
HUNT
ANISOVICH
DENISENKO
ROENCHENSOKHOYANPDG
SVARC
ANISOVICHSHKLYARANISOVICHSHRESTHA
WORKMANBATINICTHOMADRECHSELDUGGERARNDTSHKLYARPENNERPENNERVRANAHOEHLER
CUTKOSKY
Also
HOEHLER
Also

201919
17E
1615A
15A
141413B
1312A
12A
12A
100807
07
06
0502C
02D00
9380
79

PL B803 135323
PL B788 371
PR C99 055205
PR C96 055202
PL B755 97
EPJ A51 70
EPJ A51 95
CP C38 070001
PR C89 045205
EPJ A49 67
PR C87 015201
EPJ A48 15
PR C86 055203
PR C86 015202
PR C82 038203
PL B659 87
EPJ A34 69
PR C76 025211
PR C74 045205
PR C72 015210
PR C66 055211
PR C66 055212
PRPL 328 181
π N Newsletter 9 1
Toronto Conf. 19
PR D20 2839
PDAT 12-1
Toronto Conf. 3

https://pdg.lbl.gov

J. Mueller et al.
(CBELSA/TAPS Collab.)
E. Golovatch et al.
(CLAS Collab.)
B.C. Hunt, D.M. Manley
A.V. Anisovich et al.
(BONN, PNPI, JLAB+)
I. Denisenko et al.
D. Roenchen et al.
V. Sokhoyan et al.
(CBELSA/TAPS Collab.)
K. Olive et al.
(PDG Collab.)
A. Svarc et al.
(RBI Zagreb, UNI Tuzla)
A.V. Anisovich et al.
V. Shklyar, H. Lenske, U. Mosel(GIES)
A.V. Anisovich et al.
(BONN, PNPI)
M. Shrestha, D.M. Manley(KSU)
R. Workman et al.
(GWU)
M. Batinic et al.
(ZAGR)
U. Thoma et al.
(CB-ELSA Collab.)
D. Drechsel, S.S. Kamalov, L. Tiator(MAINZ, JINR)
M. Dugger et al.
(JLab CLAS Collab.)
R.A. Arndt et al.
(GWU)
V. Shklyar, H. Lenske, U. Mosel(GIES)
G. Penner, U. Mosel(GIES)
G. Penner, U. Mosel(GIES)
T.P. Vrana, S.A. Dytman, T.-S.H. Lee(PITT, ANL)
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 9Created: 5/31/2024 10:12