SEARCH FOR COLOR VAN-DER-WAALS FORCE IN PB-208+PB-208 MOTT SCATTERING

  • ACC VILLARI*
  • , W MITTIG
  • , A LEPINESZILY
  • , RL FILHO
  • , G AUGER
  • , L BIANCHI
  • , R BEUNARD
  • , JM CASANDJIAN
  • , JL CIFFRE
  • , A CUNSOLO
  • , A FOTI
  • , L GAUDARD
  • , CL LIMA
  • , E PLAGNOL
  • , Y SCHUTZ
  • , RH SIEMSSEN
  • , JP WIELECZKO
  • *Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    21 Citations (Scopus)

    Abstract

    In a high precision experiment, Mott scattering of the Pb-208 + Pb-208 system was measured at E(lab) = 873.40 MeV and 1129.74 MeV with kinematic coincidences for angle pairs around theta(lab) = 30-degrees, 60-degrees and theta(lab) = 45-degrees, 45-degrees. The observed Mott oscillations exhibit an angular shift with respect to pure Mott scattering. A comparison with the angular shift produced by a color van der Waals force including nuclear polarizability, vacuum polarization, relativistic effects, and electronic screening provides a new upper limit for the strength of this force. Influence of atomic effects other than screening were identified for the first time.

    Original languageEnglish
    Pages (from-to)2551-2554
    Number of pages4
    JournalPhysical Review Letters
    Volume71
    Issue number16
    Publication statusPublished - 18-Oct-1993

    Keywords

    • VACUUM POLARIZATION
    • HADRONS

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