Published November 1, 2009 | Version v1
Journal article Metadata-only

Feshbach projection operator approach to positron annihilation

Creators

  • 1. Centro de Ciencias Naturais e Humanas, UFABC, 09210-170, Santo Andre, Sao Paulo (Brazil)
  • 2. Instituto de Fisica Gleb Wataghin, UNICAMP, 13083-970, Campinas, Sao Paulo (Brazil)

Description

We present a theory of vibrationally enhanced positron annihilation on molecules based on the projection operator formalism of Feshbach. Results are shown for a simple semiempirical model derived from the formal Zeff expression.

Availability note (English)

Available from http://dx.doi.org/10.1088/1742-6596/194/7/072008

Additional details

Identifiers

DOI
10.1088/1742-6596/194/7/072008;

Publishing Information

Journal Title
Journal of Physics. Conference Series (Online)
Journal Volume
194
Journal Issue
7
Journal Page Range
[1 p.]
ISSN
1742-6596

Conference

Title
26. international conference on photonic, electronic and atomic collisions
Dates
22-28 Jul 2009
Place
Kalamazoo, MI (United States)

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
42041990
Subject category
S74: ATOMIC AND MOLECULAR PHYSICS;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ANNIHILATION; MOLECULES; POSITRON-MOLECULE COLLISIONS; POSITRONS; PROJECTION OPERATORS; VIBRATIONAL STATES
Descriptors DEC
ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; COLLISIONS; ELEMENTARY PARTICLES; ENERGY LEVELS; EXCITED STATES; FERMIONS; INTERACTIONS; LEPTONS; MATHEMATICAL OPERATORS; MATTER; MOLECULE COLLISIONS; PARTICLE INTERACTIONS; POSITRON COLLISIONS