Neutral pion photoproduction on deuterium in baryon chiral perturbation theory to order q4

S. R. Beane, V. Bernard, T. S H Lee, Ulf G. Meißner, Ubirajara Van Kolck

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Threshold neutral pion photoproduction on the deuteron is studied in the framework of baryon chiral perturbation theory beyond next-to-leading order in the chiral expansion. To fourth order in small momenta, the amplitude is finite and a sum of two-and three-body interactions with no undetermined parameters. With accurate theoretical and experimental input from the single nucleon sector for the proton amplitude, we investigate the sensitivity of the threshold cross section to the elementary γn → π0n amplitude. A precise measurement of the threshold cross section for γd → π0d is called for.

Original languageEnglish (US)
Pages (from-to)381-401
Number of pages21
JournalNuclear Physics, Section A
Volume618
Issue number4
StatePublished - Jun 9 1997
Externally publishedYes

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photoproduction
deuterium
baryons
pions
perturbation theory
thresholds
cross sections
deuterons
sectors
momentum
expansion
protons
sensitivity
interactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Neutral pion photoproduction on deuterium in baryon chiral perturbation theory to order q4. / Beane, S. R.; Bernard, V.; Lee, T. S H; Meißner, Ulf G.; Van Kolck, Ubirajara.

In: Nuclear Physics, Section A, Vol. 618, No. 4, 09.06.1997, p. 381-401.

Research output: Contribution to journalArticle

Beane, S. R. ; Bernard, V. ; Lee, T. S H ; Meißner, Ulf G. ; Van Kolck, Ubirajara. / Neutral pion photoproduction on deuterium in baryon chiral perturbation theory to order q4. In: Nuclear Physics, Section A. 1997 ; Vol. 618, No. 4. pp. 381-401.
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