Anomalous behavior of pion production in high energy particle collisions

The shape of the invariant differential cross section for charged hadron production as a function of transverse momentum measured in various collider experiments is analyzed. Contrary to the behavior of produced charged kaons, protons, and antiprotons, the pion spectra require an anomalously high co...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2012-03, Vol.72 (3), p.1-3, Article 1961
Main Authors: Bylinkin, A. A., Rostovtsev, A. A.
Format: Article
Language:English
Subjects:
Antiparticles
Antiprotons
Astronomy
Astrophysics and Cosmology
Collisions (Nuclear physics)
Elementary Particles
Hadrons
Heavy Ions
Kaons
Letter
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Particle collisions
Physics
Physics and Astronomy
Pions
Quantum Field Theories
Quantum Field Theory
String Theory
Transverse momentum
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Description
Summary:The shape of the invariant differential cross section for charged hadron production as a function of transverse momentum measured in various collider experiments is analyzed. Contrary to the behavior of produced charged kaons, protons, and antiprotons, the pion spectra require an anomalously high contribution of an exponential term to describe the shape.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-012-1961-x