2021: Particle Properties

Gauge & Higgs Bosons

Summary Tables (PDG best values)

Particle Listings (tables of existing measurements)

gamma

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g (gluon)

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graviton

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W boson

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Z boson

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H⁰

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Neutral Higgs Bosons, Searches for

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Charged Higgs Bosons (H^±and H^±±), Searches for

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Heavy Bosons, Other Than Higgs Bosons, Searches for

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Axions (A⁰) and Other Very Light Bosons, Searches for

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Relevant review articles

Higgs boson physics, status of (rev.)

Leptons (e, mu, tau, ... neutrinos ...)

Summary Tables (PDG best values)

Particle Listings (tables of existing measurements)

electron

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muon

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tau

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Heavy Charged Lepton Searches

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Introduction to the Neutrino Properties Listings

Neutrino Properties

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Number of Neutrino Types

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Double-beta Decay

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Note on Neutrinoless Double-beta Decay

Introduction to Three-Neutrino Mixing Parameters Listings

Neutrino Mixing

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Heavy Neutral Leptons, Searches for

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Relevant review articles

Muon anomalous magnetic moment (rev.)

Muon decay parameters (rev.)

tau branching fractions (rev.)

tau-lepton decay parameters

Quarks (u,d,s,c,b,t...)

Summary Tables (PDG best values)

Particle Listings (tables of existing measurements)

Note on the Quark Masses

LIGHT QUARKS --- u, d, s

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c quark

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b quark

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t quark

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b' quark (4**th Generation)

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t' quark (4**th Generation)

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Free Quark Searches

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Relevant review articles

Quark masses (rev.)

Top quark (rev.)

Mesons (pi, K, D, B, psi, Upsilon, ...)

Summary Tables (PDG best values)

Particle Listings (tables of existing measurements)

Light Unflavored Mesons (S = C = B = 0)

Leptonic Decays of Charged Pseudoscalar Mesons

pi+−

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pi0

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eta

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f(0)(500)

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rho(770)

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omega(782)

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eta'(958)

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f(0)(980)

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a(0)(980)

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phi(1020)

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h(1)(1170)

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b(1)(1235)

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a(1)(1260)

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f(2)(1270)

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f(1)(1285)

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eta(1295)

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pi(1300)

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a(2)(1320)

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f(0)(1370)

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h(1)(1380)

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pi(1)(1400)

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eta(1405)

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f(1)(1420)

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omega(1420)

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f(2)(1430)

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a(0)(1450)

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rho(1450)

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eta(1475)

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f(0)(1500)

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f(1)(1510)

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f(2)'(1525)

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f(2)(1565)

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rho(1570)

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h(1)(1595)

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pi(1)(1600)

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a(1)(1640)

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f(2)(1640)

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eta(2)(1645)

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omega(1650)

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omega(3)(1670)

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pi(2)(1670)

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phi(1680)

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rho(3)(1690)

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rho(1700)

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a(2)(1700)

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f(0)(1710)

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eta(1760)

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pi(1800)

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f(2)(1810)

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X(1835)

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phi(3)(1850)

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eta(2)(1870)

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pi(2)(1880)

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rho(1900)

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f(2)(1910)

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a(0)(1950)

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f(2)(1950)

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rho(3)(1990)

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pi(2)(2005)

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f(2)(2010)

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f(0)(2020)

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a(4)(2040)

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f(4)(2050)

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pi(2)(2100)

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f(0)(2100)

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f(2)(2150)

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rho(2150)

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phi(2170)

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f(0)(2200)

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f(J)(2220)

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eta(2225)

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rho(3)(2250)

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f(2)(2300)

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f(4)(2300)

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f(0)(2330)

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f(2)(2340)

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rho(5)(2350)

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X(2370)

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f(6)(2510)

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Other Light Unflavored Mesons (S = C = B = 0)

Further States

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Strange Mesons (S = + −1, C = B = 0)

K+−

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K(S)0

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K(L)0

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K*(0)(700)

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K*(892)

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K(1)(1270)

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K(1)(1400)

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K*(1410)

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K*(0)(1430)

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K*(2)(1430)

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K(1460)

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K(2)(1580)

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K(1630)

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K(1)(1650)

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K*(1680)

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K(2)(1770)

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K*(3)(1780)

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K(2)(1820)

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K(1830)

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K*(0)(1950)

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K*(2)(1980)

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K*(4)(2045)

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K(2)(2250)

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K(3)(2320)

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K*(5)(2380)

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K(4)(2500)

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K(3100)

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Charmed Mesons (C = + −1)

D+ −

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D*(2007)0

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D*(2010)+ −

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D*(0)(2300)

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D(1)(2420)

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D(1)(2430)0

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D*(2)(2460)

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D(0)(2550)0

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D*(1)(2600)0

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D*(2640)+ −

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D(2740)0

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D3*(2750)

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D*(1)(2760)0

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D(3000)0

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Charmed, Strange Mesons (C = S = +−1)

D(s)+−

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D*(s)+−

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D*(s0)(2317)+−

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D(s1)(2460)+−

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D(s1)(2536)+−

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D(s2)(2573)+−

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D*(s1)(2700)+−

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D*(s1)(2860)+−

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D*(s3)(2860)+−

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X(0)(2900)

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X(1)(2900)

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D(sJ)(3040)+−

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Bottom Mesons (B = +−1)

Note on Production and Decay of b-flavored Hadrons

B organization

B+−

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B+−/B0 Admixture

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B+−/B0/B(s)0/b-baryon Admixture

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V(cb) and V(ub) CKM Matrix Elements

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B(1)(5721)

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B*(J)(5732)

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B*(2)(5747)

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B(J)(5840)

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BJ(5970)

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Bottom, Strange Mesons (B = +−1, S = −+1)

B(s)0

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B*(s)

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X(5568)+ −

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B(s1)(5830)0

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B*(s2)(5840)0

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B*(sJ)(5850)

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Bottom, Charmed Mesons (B = +−1, C = −+1)

B(c)+−

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B(c)(2S)+−

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c cbar Mesons

Note on Branching Ratios of psi(2S) and chi_c(0,1,2)

eta(c)(1S)

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J/psi(1S)

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chi(c0)(1P)

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chi(c1)(1P)

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h(c)(1P)

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chi(c2)(1P)

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eta(c)(2S)

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psi(2S)

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psi(3770)

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psi(2)(3823)

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psi(3)(3842)

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chi(c0)(3860)

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chi(c1)(3872)

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Z(c)(3900)

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X(3915)

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chi(c2)(3930)

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X(3940)

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X(4020)+−

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psi(4040)

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X(4050)+−

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X(4055)+−

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X(4100)+−

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chi(c1)(4140)

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psi(4160)

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X(4160)

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Z(c)(4200)

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psi(4230)

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R(c0)(4240)

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X(4250)+−

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psi(4260)

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chi(c1)(4274)

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X(4350)

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psi(4360)

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psi(4390)

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psi(4415)

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Z(c)(4430)

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chi(c0)(4500)

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psi(4660)

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chi(c0)(4700)

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b bbar Mesons

eta(b)(1S)

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Upsilon(1S)

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chi(b0)(1P)

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chi(b1)(1P)

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h(b)(1P)

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chi(b2)(1P)

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eta(b)(2S)

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Upsilon(2S)

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Upsilon(2)(1D)

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chi(b0)(2P)

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chi(b1)(2P)

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h(b)(2P)

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chi(b2)(2P)

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Upsilon(3S)

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chi(b1)(3P)

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chi(b2)(3P)

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Upsilon(4S)

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Z(b)(10610)

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Z(b)(10650)

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Upsilon(10753)

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Upsilon(10860)

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Upsilon(11020)

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NON-q qbar Candidates

Non-(q-qbar) Mesons (rev.)

Relevant review articles

Form factors for radiative pion and kaon decays (rev.)

Scalar mesons below 2 GeV (rev.)

rho(770) (rev.)

Pseudoscalar and pseudovector mesons in the 1400 MeV region (rev.)

rho(1450) and rho(1700) (rev.)

Charged kaon mass

Rare kaon decays (rev.)

Dalitz plot parameters for K --> 3 pi decays

K(l3)+- and K(l3)0 form factors

CPT invariance tests in neutral kaon decay (rev.)

CP-violation in K_S -> 3pi

V(ud), V(us), Cabibbo angle, and CKM unitarity (rev.)

CP-violation in K_L decays

Review of multibody charm analyses (rev.)

D⁰- Dbar⁰ mixing (rev.)

D_s+ branching fractions (rev.)

Leptonic decays of charged pseudoscalar mesons (rev.)

Production and decay of b-flavored hadrons (rev.)

Heavy Flavor Averaging Group (rev.)

Polarization in B decays (rev.)

B⁰-- Bbar⁰ mixing (rev.)

Semileptonic B-hadron decays, determination of V(cb), V(ub) (rev.)

CKM angles from B hadrons, Determination of (new)

Spectroscopy of mesons containing two heavy quarks (rev.)

Charmonium system (rev.)

Branching ratios of psi(2S) and chi_c(0,1,2) (rev.)

Bottomonium system (rev.)

Width determination of the upsilon states

Non q-qbar mesons (rev.)

Baryons (p, n, Lambda_b, Xi, ...)

Summary Tables (PDG best values)

Particle Listings (tables of existing measurements)

N Baryons (S = 0, I = 1/2)

Note on N and Delta Resonances

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N(1440) 1/2+

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N(1520) 3/2−

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N(1535) 1/2−

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N(1650) 1/2−

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N(1675) 5/2−

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N(1680) 5/2+

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N(1700) 3/2−

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N(1710) 1/2+

pdgLive

N(1720) 3/2+

pdgLive

N(1860) 5/2+

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N(1875) 3/2−

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N(1880) 1/2+

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N(1895) 1/2−

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N(1900) 3/2+

pdgLive

N(1990) 7/2+

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N(2000) 5/2+

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N(2040) 3/2+

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N(2060) 5/2−

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N(2100) 1/2+

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N(2120) 3/2−

pdgLive

N(2190) 7/2−

pdgLive

N(2220) 9/2+

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N(2250) 9/2−

pdgLive

N(2300) 1/2+

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N(2570) 5/2−

pdgLive

N(2600) 11/2−

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N(2700) 13/2+

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N(3000 Region)

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Delta Baryons (S = 0, I = 3/2)

Note on N and Delta Resonances

Delta(1232) 3/2⁺

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Delta(1600) 3/2⁺

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Delta(1620) 1/2⁻

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Delta(1700) 3/2⁻

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Delta(1750) 1/2⁺

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Delta(1900) 1/2⁻

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Delta(1905) 5/2⁺

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Delta(1910) 1/2⁺

pdgLive

Delta(1920) 3/2⁺

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Delta(1930) 5/2⁻

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Delta(1940) 3/2⁻

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Delta(1950) 7/2⁺

pdgLive

Delta(2000) 5/2⁺

pdgLive

Delta(2150) 1/2⁻

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Delta(2200) 7/2⁻

pdgLive

Delta(2300) 9/2⁺

pdgLive

Delta(2350) 5/2⁻

pdgLive

Delta(2390) 7/2⁺

pdgLive

Delta(2400) 9/2⁻

pdgLive

Delta(2420) 11/2⁺

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Delta(2750) 13/2⁻

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Delta(2950) 15/2⁺

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Delta(3000 Region)

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Lambda Baryons (S = -1, I = 0)

Note on Lambda and Sigma Resonances

Lambda 1/2⁺

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Lambda(1380) 1/2⁻

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Lambda(1405) 1/2⁻

pdgLive

Lambda(1520) 3/2⁻

pdgLive

Lambda(1600) 1/2⁺

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Lambda(1670) 1/2⁻

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Lambda(1690) 3/2⁻

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Lambda(1710) 1/2⁺

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Lambda(1800) 1/2⁻

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Lambda(1810) 1/2⁺

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Lambda(1820) 5/2⁺

pdgLive

Lambda(1830) 5/2⁻

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Lambda(1890) 3/2⁺

pdgLive

Lambda(2000)

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Lambda(2050) 3/2⁻

pdgLive

Lambda(2070) 3/2⁺

pdgLive

Lambda(2080) 5/2⁻

pdgLive

Lambda(2085) 7/2⁺

pdgLive

Lambda(2100) 7/2⁻

pdgLive

Lambda(2110) 5/2⁺

pdgLive

Lambda(2325) 3/2⁻

pdgLive

Lambda(2350) 9/2⁺

pdgLive

Lambda(2585)

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Sigma Baryons (S = -1, I = 1)

Note on Lambda and Sigma Resonances

Sigma+

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Sigma0

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Sigma−

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Sigma(1385) 3/2+

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Sigma(1580) 3/2−

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Sigma(1620) 1/2−

pdgLive

Sigma(1660) 1/2+

pdgLive

Note on the Sigma(1670) Region

Sigma(1670) 3/2−

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Sigma(1750) 1/2−

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Sigma(1775) 5/2−

pdgLive

Sigma(1780) 3/2+

pdgLive

Sigma(1880) 1/2+

pdgLive

Sigma(1900) 1/2−

pdgLive

Sigma(1910) 3/2−

pdgLive

Sigma(1915) 5/2+

pdgLive

Sigma(1940) 3/2+

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Sigma(2010) 3/2−

pdgLive

Sigma(2030) 7/2+

pdgLive

Sigma(2070) 5/2+

pdgLive

Sigma(2080) 3/2+

pdgLive

Sigma(2100) 7/2−

pdgLive

Sigma(2160) 1/2−

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Sigma(2230) 3/2+

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Sigma(2250)

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Sigma(2455)B

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Sigma(2620)B

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Sigma(3000)B

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Sigma(3170)B

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XI Baryons (S = -2, I = 1/2)

Note on Xi Resonances

Xi0

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Xi-

pdgLive

Xi(1530)

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Xi(1620)

pdgLive

Xi(1690)

pdgLive

Xi(1820)

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Xi(1950)

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Xi(2030)

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Xi(2120)

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Xi(2250)

pdgLive

Xi(2370)

pdgLive

Xi(2500)

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Omega Baryons (S = -3, I = 0)

Omega-

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Omega(2012)-

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Omega(2250)-

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Omega(2380)-

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Omega(2470)-

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Charmed Baryons (C = +1)

Note on Charmed Baryons

Lambda(c)+

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Lambda(c)(2595)+

pdgLive

Lambda(c)(2625)+

pdgLive

Lambda(c)(2765)+

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Lambda(c)(2860)+

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Lambda(c)(2880)+

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Lambda(c)(2940)+

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Sigma(c)(2455)

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Sigma(c)(2520)

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Sigma(c)(2800)

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Xi(c)+

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Xi(c)0

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Xi'(c)+

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Xi'(c)0

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Xi(c)(2645)

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Xi(c)(2790)

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Xi(c)(2815)

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Xi(c)(2923)

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Xi(c)(2930)

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Xi(c)(2970)

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Xi(c)(3055)

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Xi(c)(3080)

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Xi(c)(3123)

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Omega(c)0

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Omega(c)(2770)0

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Omega(c)(3000)0

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Omega(c)(3050)0

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Omega(c)(3065)0

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Omega(c)(3090)0

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Omega(c)(3120)0

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Doubly-charmed Baryons (C = + 2)

Xi(cc)++

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Bottom Baryons (B = -1)

Lambda(b)0

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Lambda(b)(5912)0

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Lambda(b)(5920)0

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Lambda(b)(6070)0

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Lambda(b)(6146)0

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Lambda(b)(6152)0

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Sigma(b)

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Sigma*(b)

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Sigma(b)(6097)+

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Sigma(b)(6097)-

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Xi(b)-

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Xi(b)0

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Xi(b)'(5935)-

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Xi(b)(5945)0

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Xi*(b)(5955)-

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Xi(b)(6227)-

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Xi(b)(6227)0

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Xi(bc)0

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Omega(b)-

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Omega(b)(6316)-

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Omega(b)(6330)-

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Omega(b)(6340)-

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Omega(b)(6350)-

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b-baryon Admixture (Lambda(b), Xi(b), Sigma(b), Omega(b))

pdgLive

Exotic Baryons

Pentaquarks (new)

P(c)(4312)+

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P(c)(4380)+

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P(c)(4440)+

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P(c)(4457)+

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Relevant review articles

Baryon decay parameters

N and Delta resonances (rev.)

Baryon magnetic moments

Lambda and Sigma resonances (rev.)

Pole structure of the Lambda(1405) region (rev.)

Sigma(1670) region

Radiative hyperon decays

Xi resonances

Charmed baryons (rev.)

Pentaquarks (rev.)