A Measurement of the Parity-Violating Neutron Spin Rotation in 4He

ORAL

Abstract

A weak interaction between nucleons is induced by the quark-quark weak interaction in the Standard Model. At present the NN weak interaction is poorly constrained by experiment. We conducted an experiment to search for parity violation in the rotation of the plane of polarization of slow neutrons in liquid 4He at the Center for Neutron Research at the National Institute of Standards and Technology. In this talk we will report a preliminary result for a measurement of parity-violating neutron spin rotation in 4He. We will also discuss the prospects for follow-on experiments with reduced statistical and systematic errors.

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Authors

  • W. Snow

    Indiana University/IUCF

  • C. Bass

    National Institute of Standards and Technology

  • T. Bass

    National Institute of Standards and Technology

  • B. Crawford

    Gettysburg College

  • M. Dawkins

    Indiana University/IUCF

  • K. Gan

    George Washington University

  • B. Heckel

    University of Washington

  • J. Horton

    Indiana University

  • C. Huffer

    North Carolina State University/TUNL

  • D. Luo

    Indiana University

  • D. Markoff

    North Carolina Central University

  • A. Micherdzinska

    George Washington University

  • P. Mumm

    National Institute of Standards and Technology

  • J. Nico

    National Institute of Standards and Technology

  • M. Sarsour

    Georgia State University

  • E. Sharapov

    Joint Institute for Nuclear Research

  • E. Swanson

    University of Washington

  • S. Walbridge

    Indiana University

  • V. Zhumabekova

    Al-Farabi Kazakh National University

  • P. Huffman

    North Carolina State University