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

I (J P ) = 21 ( 23 − ) Status:

N(1520) 3/2−∗∗∗∗

Older and obsolete values are listed and referenced in the 2014 edition, Chinese Physics C38 070001 (2014).

N(1520) POLE POSITIONREAL PARTVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

1505 to 1515 (≈ 1510) OUR ESTIMATE
1482± 3
ROENCHEN 22 DPWA Multichannel
1507± 2SOKHOYAN 15A DPWA Multichannel
1 SVARC1506± 1 ± 114 L+P
πN → πN
1510± 5
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •1500
HUNT1512
ROENCHEN
1492
SHKLYAR1507± 3ANISOVICH
1506± 9BATINIC
1515
ARNDT1504
VRANA
1510
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
ARGD π N → π N−2×IMAGINARY PARTVALUE (MeV)

DOCUMENT ID

TECNCOMMENT

105 to 120 (≈ 110) OUR ESTIMATE
126± 9ROENCHEN 22 DPWA Multichannel
111± 3SOKHOYAN 15A DPWA Multichannel
1 SVARC
14 L+P
πN → πN
115± 2± 1
114± 10
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •
117
HUNT
89
ROENCHEN94SHKLYAR111± 5ANISOVICH
122± 9BATINIC
113
ARNDT
112
VRANA120
HOEHLER
1 Fit to the amplitudes of HOEHLER 79.

https://pdg.lbl.gov

Page 1

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
ARGD 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(1520) ELASTIC POLE RESIDUEMODULUS r
VALUE (MeV)

DOCUMENT ID

TECNCOMMENT

32 to 38 (≈ 35) OUR ESTIMATE
27± 11ROENCHEN 22 DPWA Multichannel
36± 2
SOKHOYAN 15A DPWA Multichannel
1 SVARC33± 1± 1
14 L+P
πN → πN
35± 2
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •37ROENCHEN27SHKLYAR
36± 3
ANISOVICH
35BATINIC
38
ARNDT32
HOEHLER
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
ARGD π N → π N

PHASE θVALUE (◦ )DOCUMENT ID

TECNCOMMENT− 15 to − 5 (≈ − 10) OUR ESTIMATE− 36± 24
ROENCHEN 22 DPWA Multichannel− 14± 3SOKHOYAN 15A DPWA Multichannel
1 SVARC− 15± 1± 114 L+PπN → πN− 12± 5
CUTKOSKY 80 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •− 6ROENCHEN− 35
SHKLYAR− 14± 3
ANISOVICH− 7BATINIC− 5ARNDT− 8HOEHLER
1 Fit to the amplitudes of HOEHLER 79.

15A
1312A
1006
93

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

N(1520) INELASTIC POLE RESIDUE
The “normalized residue” is the residue divided by Γpole /2.

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

TECNCOMMENT

0.33± 0.04
155 ± 15SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.33± 0.05

150 ± 20

ANISOVICH

12A DPWA Multichannel

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

TECNCOMMENT

0.25± 0.03
105 ± 18SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.25± 0.03

100 ± 20https://pdg.lbl.gov

ANISOVICH

Page 2

12A 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(1520) → N η
MODULUSPHASE (◦ )DOCUMENT ID

TECNCOMMENT

0.021± 0.009
34 ± 27
ROENCHEN 22 DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.026

95

ROENCHEN

15A DPWA Multichannel

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

TECNCOMMENT0.026± 0.010
127 ± 24
ROENCHEN 22 DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.069

158

ROENCHEN

15A DPWA Multichannel

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

TECNCOMMENT

0.010± 0.006
94 ± 34
ROENCHEN 22 DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •0.049− 41

ROENCHEN

15A DPWA Multichannel

Normalized residue in N π → N(1520) → N σ
MODULUSPHASE (◦ )DOCUMENT ID

0.08± 0.03

− 45 ± 25

SOKHOYAN

TECNCOMMENT

15A DPWA MultichannelN(1520) BREIT-WIGNER MASSVALUE (MeV)

DOCUMENT ID

TECNCOMMENT1510 to 1520 (≈ 1515) OUR ESTIMATE
1 HUNT
1512.0± 1.5
19 DPWA Multichannel
1516 ± 2
SOKHOYAN 15A DPWA Multichannel
1 SHKLYAR
1505 ± 4
13 DPWA Multichannel
1 ARNDT
1514.5± 0.2
06 DPWA π N → π N, η N
1525 ± 10
CUTKOSKY 80 IPWA π N → π N
1519 ± 4
HOEHLER
79 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •1517 ± 31512.6± 0.51522 ± 81509 ± 11518 ± 3
1 Statistical error only.

ANISOVICH
1 SHRESTHABATINICPENNER
VRANA

12A12A
1002C00

DPWA Multichannel
DPWA Multichannel
DPWA π N → N π, N η
DPWA Multichannel
DPWA MultichannelN(1520) BREIT-WIGNER WIDTHVALUE (MeV)

DOCUMENT ID

100 to 120 (≈ 110) OUR ESTIMATE
1 HUNT
121 ± 3113 ± 4SOKHOYAN
1 SHKLYAR
100 ± 2
1 ARNDT103.6± 0.4
120 ± 15
CUTKOSKY114 ± 7
HOEHLER

https://pdg.lbl.gov

Page 3

TECN

1915A
13068079

COMMENTDPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA π N → π N, η N
IPWA π N → π N
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. • • •114 ± 5
117 ± 1132 ± 11100 ± 2124 ± 4
1 Statistical error only.

ANISOVICH
1 SHRESTHABATINICPENNER
VRANA

12A
12A
1002C00

DPWA Multichannel
DPWA Multichannel
DPWA π N → N π, N η
DPWA Multichannel
DPWA MultichannelN(1520) 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
Γ16

ModeFraction (Γi /Γ)NπNη
Nππ∆(1232)π∆(1232)π , S-wave∆(1232)π , D-waveNρN ρ , S=3/2 , S-wave
N ρ , S=1/2 , D-wave
Nσpγ
p γ , helicity=1/2
p γ , helicity=3/2nγn γ , helicity=1/2n γ , helicity=3/2

55–65 %
0.07–0.09 %25–35 %
22–34 %
15–23 %
7–11 %
10–16 %
10–16 %
0.2–0.4 %<10 %0.31–0.52 %0.01–0.02 %0.30–0.50 %0.30–0.53 %0.04–0.10 %0.25–0.45 %N(1520) BRANCHING RATIOSΓ N π /Γtotal
VALUE (%)

Γ1 /ΓDOCUMENT ID

TECNCOMMENT

55 to 65 (≈ 60) OUR ESTIMATE
1 HUNT58.3± 1.5
19 DPWA Multichannel
61 ± 2SOKHOYAN 15A DPWA Multichannel
1 SHKLYAR
57 ± 213 DPWA Multichannel
163.2± 0.1
ARNDT
06 DPWA π N → π N, η N
58 ± 3
CUTKOSKY 80 IPWA π N → π N
54 ± 3
HOEHLER
79 IPWA π N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •62 ± 362.7± 0.555 ± 556 ± 163 ± 2
1 Statistical error only.

ANISOVICH
1 SHRESTHA

https://pdg.lbl.gov

Page 4

BATINICPENNER
VRANA

12A
12A
1002C00

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

Created: 5/31/2024 10:12

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

Γ N η /Γtotal

Γ2 /ΓVALUE (%)

DOCUMENT ID

TECNCOMMENT<0.1
MUELLER
20 DPWA Multichannel
1 HUNT
0.03± 0.01
19 DPWA Multichannel
0.08± 0.01
TIATOR
99 DPWA γ p → p η• • • We do not use the following data for averages, fits, limits, etc. • • •<10.1 ± 0.1
0.2 ± 0.1
0.08 to 0.12
0.23± 0.040 ±1
1 Statistical error only.

SHKLYAR
BATINIC
THOMA
ARNDTPENNER
VRANA

1310080502C00

DPWA Multichannel
DPWA π N → N π, N η
DPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA MultichannelΓ ∆(1232)π , S-wave /ΓtotalΓ5 /ΓVALUE (%)

DOCUMENT ID

TECNCOMMENT

12.1± 2.1
ADAMCZEW... 20 DPWA Multichannel
1 HUNT
21 ± 219 DPWA Multichannel
19 ± 4SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •19 ± 49.3± 0.7
15 ± 2
1 Statistical error only.

ANISOVICH
1 SHRESTHAVRANA12A DPWA Multichannel
12A DPWA Multichannel
00 DPWA MultichannelΓ ∆(1232)π , D-wave /Γtotal

Γ6 /Γ

VALUE (%)

DOCUMENT ID

TECNCOMMENT

6 ±2
ADAMCZEW... 20 DPWA Multichannel
1 HUNT6 ±119 DPWA Multichannel
9 ±2
SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •9 ±26.3± 0.5
11 ± 2
1 Statistical error only.

ANISOVICH
1 SHRESTHAVRANA

12A DPWA Multichannel
12A DPWA Multichannel
00 DPWA MultichannelΓ N ρ , S=3/2 , S-wave /Γtotal

Γ8 /Γ

VALUE (%)

10–16 % OUR EVALUATION
11.8± 1.9
14.1± 1.5
1 Statistical error only

DOCUMENT ID

ADAMCZEW... 20
1 HUNT19TECNCOMMENTDPWA Multichannel
DPWA MultichannelΓ N ρ , S=1/2 , D-wave /Γtotal

Γ9 /Γ

VALUE (%)

DOCUMENT ID

TECNCOMMENT

0.2–0.4 % OUR EVALUATION
0.4± 0.2

ADAMCZEW... 20

DPWA Multichannel

https://pdg.lbl.gov

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

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

Γ N σ /Γtotal

Γ10 /ΓVALUE (%)

DOCUMENT ID

TECNCOMMENT<10 % OUR ESTIMATE
7 ±3
ADAMCZEW... 20 DPWA Multichannel
1 HUNT<0.719 DPWA Multichannel<2SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •1 SHRESTHA<112A DPWA Multichannel<41 ±1
1 Statistical error only.

THOMAVRANA

0800

DPWA Multichannel
DPWA MultichannelN(1520) PHOTON DECAY AMPLITUDES AT THE POLE
N(1520) → p γ , helicity-1/2 amplitude A1/2
MODULUS (GeV−1/2 )PHASE (◦ )DOCUMENT ID

TECNCOMMENT− 0.043± 0.013− 47 ± 10
ROENCHEN 22 DPWA Multichannel− 0.023± 0.004−6 ± 5SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •− 0.031− 17

ROENCHEN

15A DPWA MultichannelN(1520) → p γ , helicity-3/2 amplitude A3/2
MODULUS (GeV−1/2 )PHASE (◦ )DOCUMENT ID

TECNCOMMENT

0.112± 0.032
1.8 ± 19
ROENCHEN 22 DPWA Multichannel
0.131± 0.006
4±4
SOKHOYAN 15A DPWA Multichannel• • • We do not use the following data for averages, fits, limits, etc. • • •
0.075

1.7

ROENCHEN

15A DPWA MultichannelN(1520) → n γ , helicity-1/2 amplitude A1/2
MODULUS (GeV−1/2 )PHASE (◦ )DOCUMENT ID− 0.045± 0.005−5 ± 4ANISOVICHTECNCOMMENT

17E DPWA MultichannelN(1520) → n γ , helicity-3/2 amplitude A3/2
MODULUS (GeV−1/2 )PHASE (◦ )DOCUMENT ID− 0.119± 0.005

5±4

ANISOVICHTECNCOMMENT

17E DPWA MultichannelN(1520) BREIT-WIGNER PHOTON DECAY AMPLITUDESN(1520) → p γ , helicity-1/2 amplitude A1/2
VALUE (GeV−1/2 )DOCUMENT ID− 0.030 to − 0.015 (≈ − 0.025) OUR ESTIMATE
1 HUNT− 0.034± 0.003− 0.024± 0.004
SOKHOYAN
1 SHKLYAR− 0.015± 0.0011 WORKMAN− 0.019± 0.002
1− 0.028± 0.002
DUGGER
1 AHRENS− 0.038± 0.003

https://pdg.lbl.gov

Page 6TECN

1915A
1312A
0702

COMMENTDPWA Multichannel
DPWA Multichannel
DPWA Multichannel
DPWA γ N → N π
DPWA γ N → π N
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)• • • We do not use the following data for averages, fits, limits, etc. • • •− 0.022± 0.004− 0.034± 0.001− 0.027− 0.003− 0.052± 0.010 ± 0.007
1 Statistical error only.

ANISOVICH
1 SHRESTHA

12A
12A
DRECHSEL
07
PENNER
02D
1 MUKHOPAD... 98

DPWA Multichannel
DPWA Multichannel
DPWA γ N → π N
DPWA Multichannel
γp → ηp

N(1520) → p γ , helicity-3/2 amplitude A3/2
VALUE (GeV−1/2 )DOCUMENT ID

TECNCOMMENT

0.135 to 0.145 (≈ 0.140) OUR ESTIMATE
1 HUNT
0.142± 0.003
19 DPWA Multichannel
0.130± 0.006
SOKHOYAN 15A DPWA Multichannel
1 SHKLYAR
0.146± 0.001
13 DPWA Multichannel
1 WORKMAN
0.141± 0.002
12A DPWA γ N → N π
10.143± 0.002
DUGGER
07 DPWA γ N → π N
1 AHRENS
0.147± 0.010
02 DPWA γ N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •0.131± 0.010
0.127± 0.003
0.161
0.151
0.130± 0.020 ± 0.015
1 Statistical error only.

ANISOVICH
1 SHRESTHA

12A
12A
DRECHSEL
07
PENNER
02D
1 MUKHOPAD... 98

DPWA Multichannel
DPWA Multichannel
DPWA γ N → π N
DPWA Multichannel
γp → ηp

N(1520) → n γ , helicity-1/2 amplitude A1/2
VALUE (GeV−1/2 )DOCUMENT ID

TECNCOMMENT− 0.055 to − 0.040 (≈ − 0.050) OUR ESTIMATE
1 HUNT− 0.072± 0.003
19 DPWA Multichannel− 0.046± 0.005
ANISOVICH
17E DPWA Multichannel
1 CHEN− 0.046± 0.006
12A DPWA γ N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •− 0.049± 0.008− 0.038± 0.003− 0.077− 0.084
1 Statistical error only.

ANISOVICH
1 SHRESTHADRECHSELPENNER

13B
12A0702DDPWA Multichannel
DPWA Multichannel
DPWA γ N → π N
DPWA MultichannelN(1520) → n γ , helicity-3/2 amplitude A3/2
VALUE (GeV−1/2 )DOCUMENT ID

TECNCOMMENT− 0.120 to − 0.100 (≈ − 0.115) OUR ESTIMATE
1 HUNT− 0.123± 0.006
19 DPWA Multichannel− 0.118± 0.005
ANISOVICH
17E DPWA Multichannel
1 CHEN− 0.115± 0.005
12A DPWA γ N → π N• • • We do not use the following data for averages, fits, limits, etc. • • •− 0.113± 0.012− 0.101± 0.004− 0.154− 0.159
1 Statistical error only.

ANISOVICH
1 SHRESTHA

https://pdg.lbl.gov

Page 7DRECHSELPENNER

13B
12A
07
02DDPWA Multichannel
DPWA Multichannel
DPWA γ N → π N
DPWA Multichannel

Created: 5/31/2024 10:12

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

N(1520) REFERENCES
For early references, see Physics Letters 111B 1 (1982). For very earlyreferences, see Reviews of Modern Physics 37 633 (1965).
ROENCHEN
22ADAMCZEW... 20MUELLER
20
HUNT
19
ANISOVICH
17E
ROENCHEN15ASOKHOYAN
15A
PDG
14SVARC
14ANISOVICH
13B
SHKLYAR
13
ANISOVICH
12ACHEN
12A
SHRESTHA
12A
WORKMAN
12A
BATINIC
10THOMA
08
DRECHSEL
07
DUGGER
07
ARNDT
06
ARNDT
05
AHRENS
02
PENNER
02CPENNER
02DVRANA00
TIATOR99
MUKHOPAD... 98
HOEHLER
93
CUTKOSKY80
Also
HOEHLER79
Also

EPJ A58 229
PR C102 024001
PL B803 135323
PR C99 055205
PR C96 055202
EPJ A51 70
EPJ A51 95
CP C38 070001
PR C89 045205
EPJ A49 67
PR C87 015201
EPJ A48 15
PR C86 015206
PR C86 055203
PR C86 015202
PR C82 038203
PL B659 87
EPJ A34 69
PR C76 025211
PR C74 045205
PR C72 045202
PRL 88 232002
PR C66 055211
PR C66 055212
PRPL 328 181
PR C60 035210
PL B444 7
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+)
J. Adamczewski-Musch et al.
(HADES Collab.)
J. Mueller et al.
(CBELSA/TAPS Collab.)
B.C. Hunt, D.M. Manley
A.V. Anisovich et al.
(BONN, PNPI, JLAB+)
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)W. Chen et al.
(DUKE, GWU, MSST, ITEP+)
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)R.A. Arndt et al.
(GWU, PNPI)J. Ahrens et al.
(Mainz MAMI GDH/A2 Collab.)
G. Penner, U. Mosel(GIES)
G. Penner, U. Mosel(GIES)
T.P. Vrana, S.A. Dytman, T.-S.H. Lee(PITT, ANL)
L. Tiator et al.
N.C. Mukhopadhyay, N. Mathur
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 8Created: 5/31/2024 10:12