<span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mrow><msub><mrow><mi>θ</mi></mrow><mrow><mn>1</mn></mrow></msub></mrow></mrow><mrow><mn>0</mn></mrow></msup></mrow><mo>−</mo><mrow><msup><mrow><mrow><msub><mrow><mi>θ</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow></mrow><mrow><mn>0</mn></mrow></msup></mrow></math></span> Mass Difference

${θ_{1}}^{0} - {θ_{2}}^{0}$ Mass Difference

^*Present address: Department of Physics, Rutgers University, New Brunswick, New Jersey.
^†Now at the Tata Institute of Fundamental Research, Bombay, India.

Phys. Rev. Lett. 1, 150 – Published 15 August, 1958

DOI: https://doi.org/10.1103/PhysRevLett.1.150

M. Gell-Mann and A. Pais, Phys. Rev. 97, 1387 (1955)
Blumenfeld, Boldt, Bridge, Caldwell, Leavitt, Pal, Rossi, and Willard (to be published)
Omitted endnote
Omitted endnote
Omitted endnote
W. F. Fry and R. G. Sachs, Phys. Rev. 109, 2212 (1958)
Boldt, Caldwell, and Pal, preceding Letter [Phys. Rev. Lett. 1, 148 (1958)]