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Review of particle properties
Volume 39B, number 1
PHYSICS LETTERS
April 1972
REVIEW OF PARTICLE PROPERTIES Particle Data Group PAUL SODING and JOCHEN BARTELS DESY, 2000 Hamburg 52, Germany A N G E L A B A R B A R O - G A L T I E R I , J A M E S E. E N S T R O M , T H O M A S A. L A S I N S K I , A L A N R I T T E N B E R G , A R T H U R H. R O S E N F E L D , a n d T H O M A S G. T R I P P E
Lawrence Berkeley Laboratory, * University of California, Berkeley, California 94720, USA
NAOMI BARASH-SCHMIDT Brandeis University, Waltham, Massachusetts 02154, USA
CLAUDE BRICMAN and VLADIMIR CHALOUPKA CERN, 1211 Geneva 23, Switzerland MATTS ROOS
Institute of Nuclear Physics, University of Helsinki, Helsinki 17, Finland
This review of the properties of leptons, mesons, and baryons is an updating of Review of Particle Properties, Particle Data Group [Rev. Mod. Phys. 43, No. 2, Supplement, S1 (1971)]. Data are evaluated, listed, averaged, and summarized in tables. A data booklet is also available.
CONTENTS Text I. Introduction, credits, consultants II. Collection and treatment of data III. Criteria for resonances IV. Parameters and conventions A. Quantum numbers B. Particle names C. Masses and widths D. SU(3) sign convention for A and ~; resonances E. Muon-decay parameters F. K-decay parameters G. r/-decay parameters H. Baryon-decay parameters V. Statistical procedures A. Confidence levels and errors B. Unconstrained averaging, scale factors C. Constrained fits VI. Particle data group publications
ii ii iv iv iv vii vii viii ix x xii xiii xiv xiv xiv xiv xv
Acknowledgments References (for above sections)
xv xv
Tables of particle properties Stable particles Addendum Mesons Baryons
1 4 5 9
Miscellaneous tables, figures and formulae Physical and numerical constants Clebsch-Gordan coefficients and spherical harmonics SU(3) conventions SU(3) isoscalar factors C.M. energy and momentum versus beam momentum Special relativity, phase space and cross sections Confidence level versus ×2 for n D degrees of freedom
13 14 14 15 16 17 18
* The Berkeley Particle Data Center is jointly supported by the U.S. Atomic Energy Commission, the Office of the Standard Reference Data of the National Bureau of Standards, and the National Science Foundation.
PHYSICS LETTERS
April 1972
REVIEW OF PARTICLE PROPERTIES Particle Data Group PAUL SODING and JOCHEN BARTELS DESY, 2000 Hamburg 52, Germany A N G E L A B A R B A R O - G A L T I E R I , J A M E S E. E N S T R O M , T H O M A S A. L A S I N S K I , A L A N R I T T E N B E R G , A R T H U R H. R O S E N F E L D , a n d T H O M A S G. T R I P P E
Lawrence Berkeley Laboratory, * University of California, Berkeley, California 94720, USA
NAOMI BARASH-SCHMIDT Brandeis University, Waltham, Massachusetts 02154, USA
CLAUDE BRICMAN and VLADIMIR CHALOUPKA CERN, 1211 Geneva 23, Switzerland MATTS ROOS
Institute of Nuclear Physics, University of Helsinki, Helsinki 17, Finland
This review of the properties of leptons, mesons, and baryons is an updating of Review of Particle Properties, Particle Data Group [Rev. Mod. Phys. 43, No. 2, Supplement, S1 (1971)]. Data are evaluated, listed, averaged, and summarized in tables. A data booklet is also available.
CONTENTS Text I. Introduction, credits, consultants II. Collection and treatment of data III. Criteria for resonances IV. Parameters and conventions A. Quantum numbers B. Particle names C. Masses and widths D. SU(3) sign convention for A and ~; resonances E. Muon-decay parameters F. K-decay parameters G. r/-decay parameters H. Baryon-decay parameters V. Statistical procedures A. Confidence levels and errors B. Unconstrained averaging, scale factors C. Constrained fits VI. Particle data group publications
ii ii iv iv iv vii vii viii ix x xii xiii xiv xiv xiv xiv xv
Acknowledgments References (for above sections)
xv xv
Tables of particle properties Stable particles Addendum Mesons Baryons
1 4 5 9
Miscellaneous tables, figures and formulae Physical and numerical constants Clebsch-Gordan coefficients and spherical harmonics SU(3) conventions SU(3) isoscalar factors C.M. energy and momentum versus beam momentum Special relativity, phase space and cross sections Confidence level versus ×2 for n D degrees of freedom
13 14 14 15 16 17 18
* The Berkeley Particle Data Center is jointly supported by the U.S. Atomic Energy Commission, the Office of the Standard Reference Data of the National Bureau of Standards, and the National Science Foundation.