Person:
Holstein, Barry

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Professor Emeritus, Physics Department
Last Name
Holstein
First Name
Barry
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Physics
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Now showing 1 - 10 of 208
  • Publication
    RADIATION FROM A SUDDENLY MOVING SHEET OF CHARGE
    (1995) Holstein, BR
    Apparent paradoxes associated with Feynman’s picture of plane wave radiation arising from a uniform sheet of surface charge which is suddenly placed into motion are pointed out and resolved.
  • Publication
    KAON DECAYS AND A DETERMINATION OF THE SCALE OF CHIRAL SYMMETRY
    (1984) Donoghue, JF; Golowich, Eugene; Holstein, BR
    Using effective chiral Lagrangians, we consider the occurrence of quadratic terms in the ΔI=1/2 K→3π matrix element. The inclusion of higher-derivative Lagrangians leads to a significant improvement over the usual current-algebra analysis. This allows an extraction directly from experimental data of Λχ, a measure of the scale of chiral symmetry. We give an operational definition of the chiral scale, and find Λχ≈1 GeV. The issue of uncertainty in the phenomenological determination of the B parameter is clarified.
  • Publication
    Generalized polarizabilities and the chiral structure of the nucleon
    (1998) Hemmert, TR; Holstein, BR; Knochlein, G; Scherer, S
    We discuss the virtual Compton scattering reaction e−p → e−pγ at low energies. We present results for the generalized polarizabilities of the nucleon obtained in heavy baryon chiral perturbation theory at O(p3).
  • Publication
    ELEMENTARY DERIVATION OF THE RADIATION-FIELD FROM AN ACCELERATED CHARGE
    (1981) Holstein, BR; SWIFT, AR
    Using only the equivalence principle and elementary electrodynamics we calculate the radiation from an accelerating charge in a direction perpendicular to its motion.
  • Publication
    DISPERSIVE CONTRIBUTIONS TO K0-KBAR0 MIXING AND CP VIOLATION
    (1984) Donoghue, JF; Holstein, BR
    We consider the role of dispersive contributions in the analysis of the KL-KS system. These long-distance pieces can be present in both the real and imaginary parts of the mixing element M12. We provide an estimate of one such effect in Im M12, the η′ pole, which turns out to be potentially significant. These terms can substantially modify phenomenological studies, as we demonstrate for several cases. Improved experimental bounds on ε′/ε can provide a strong limit on dispersive effects in Im M12, and may in the near future remove the uncertainties caused by these contributions.
  • Publication
    Resonances in radiative hyperon decays
    (1999) Borasoy, B; Holstein, BR
    The importance of resonances for the radiative hyperon decays is examined in the framework of chiral perturbation theory. Low lying baryon resonances are included into the effective theory and tree contributions to these decays are calculated. We find significant contributions to both the parity-conserving and parity-violating decay amplitudes and a large negative value for the asymmetry parameter in polarized Σ+→pγ is found, in agreement with the experimental result αγpΣ+=-0.76±0.08.
  • Publication
    GDH2000 Convenor’s Report: Spin Polarizabilities
    (2000-01-01) Holstein, BR
    The subject of low energy polarized Compton scattering from the proton, which is characterized by phenomenological spin-polarizabilities, is introduced and connection is made to new theoretical and experimental developments which were reported to this meeting.
  • Publication
    The Mysterious Disappearance of Ettore Majorana - art. no. 012019
    (2009-01-01) Holstein, BR
    We review the short but interesting life of Ettore Majorana.
  • Publication
    Electroweak radiative corrections to parity-violating electroexcitation of the Delta
    (2002-01-01) Zhu, SL; Maekawa, CM; Sacco, G; Holstein, BR; Ramsey-Musolf, MJ
    We analyze the degree to which parity-violating (PV) electroexcitation of the Δ(1232) resonance may be used to extract the weak neutral axial vector transition form factors. We find that the axial vector electroweak radiative corrections are large and theoretically uncertain, thereby modifying the nominal interpretation of the PV asymmetry in terms of the weak neutral form factors. We also show that, in contrast with the situation for elastic electron scattering, the axial N→Δ PV asymmetry does not vanish at the photon point as a consequence of a new term entering the radiative corrections. We argue that an experimental determination of these radiative corrections would be of interest for hadron structure theory, possibly shedding light on the violation of Hara’s theorem in weak, radiative hyperon decays.