Rutherfordn.

1906 Sci. Abstr. A. 9 569 The relative magnetic deflections are calculated from Rutherford's formula showing that the velocity is proportional to √r + 1·25, where r is the distance from the end of its range.

1913 Science 22 Aug. 275/1 Assuming the correctness of the Rutherford formula, Geiger and Marsden computed..the positive charge which must be assumed to be concentrated at the centers of the atoms.

1931 G. Gamow Constit. Atomic Nuclei iv. 85 The ratio of the observed scattering to that given by Rutherford's formula for a given angle falls to a minimum and then rises again.

1961 J. L. Powell & B. Crasemann Quantum Mech. xii. 465 Coulomb scattering of low-energy protons, for which the classical cross section is given by the Rutherford formula.

1986 A. Pais Inward Bound ix. 192 Many refinements of Rutherford's formula have been studied since those early days.

2006 R. D. Gregory Classical Mech. vii. 184 This is Rutherford's formula for the angular distribution of the scattered alpha particles.

1913 Science 22 Aug. 276/1 The Rutherford atom seems much too simple to explain these spectral phenomena.

1922 Jrnl. Franklin Inst. 194 536 The Rutherford atom with its positively charged nucleus and its negatively charged satellite electrons.

1978 Rev. Metaphysics 31 371 Quarks are a far cry from the items that were supposed to be ingredients of Rutherford's atom.

2004 J. A. Angelo Nucl. Technol. iii. 110 As originally conceived using classical physics, the Rutherford atom was unstable.

1913 J. Cox Beyond Atom 93 Rutherford's law connecting the life of a product with the range of its α particle.

1927 F. Zwicky in Proc. National Acad. Sci. U.S.A. 13 520 This method has been applied by Wentzel to the case of scattering of α particles by nuclei. He obtained Rutherford's law as a first approximation.

1950 Proc. Royal Soc. A. 201 356 The intensity that would exist..on the assumption that Rutherford's law holds at 20°.

1970 I. E. McCarthy Nuclear Reactions i. i. 8 The Rutherford law for elastic scattering.

2006 P. Sigmund Particle Penetration & Radiation Effects iii. 79 The most outstanding features of Rutherford's law are the strong singularity at small angles..and the small magnitude of the cross section for violent events.

1911 E. Rutherford in London, Edinb., & Dublin Philos. Mag. 6th Ser. 21 686 It has been supposed that the atom consists of a central charge supposed concentrated at a point.]

1913 Sci. Abstr. A. 16 628 The introduction of Planck's constant, the elementary quantum of action, will serve, in Rutherford's model, to take the place of the radius of the positive sphere.

1934 Philos. Rev. 43 165 The Rutherford model of the atom conceived an atom as a planetary system with a central nucleus and with electrons moving around it in various orbits.

1968 M. S. Livingston Particle Physics ii. 17 The nucleus of the Rutherford model must have a diameter of less than 10^–12 cm.

2008 J. Bernstein Nucl. Weapons ii. 29 In the context of the plum pudding model this sort of thing was incomprehensible, but in terms of the Rutherford model it became totally clear.

1922 Proc. Royal Soc. A. 101 309 The correction in the Rutherford scattering formula may be written [etc.].

1951 Science 26 Jan. 102/2 A simple calculation using the Rutherford scattering formula.

1988 Brit. Jrnl. Philos. Sci. 39 462 Mott scattering (which is just Rutherford scattering with electrons rather than alpha particles as probes).

2004 B. Zwiebach First Course String Theory iii. 61 Rutherford scattering of alpha particles off nuclei..confirms that the inverse-squared law holds down to 10⁻¹¹ cm.

1968 Proc. Internat. Conf. Solid State Physics Res. with Accelerators 1967 (Brookhaven National Lab.) 50 Consider an initially channeled particle that escapes at a distance x into the crystal, travels a distance y as a ‘normal’ particle, and then Rutherford scatters through an angle θ.

1969 Radiation Res. 2 106/2 The yield of particles which were Rutherford-scattered when passing through the crystal.

1977 Nature 6 Jan. 35/2 A beam of ³²S ions is Rutherford scattered backwards from the sample and the energies of the scattered ions are measured.

1993 H. U. Karow & J. P. VanDevender in G. Velarde et al. Nucl. Fusion Inertial Confinement xxiii. 603/1 A small portion of the incident ion beam and outgoing beam is Rutherford-scattered by two tiny gold foils.

1946 E. U. Condon & F. L. Curtiss in Physical Rev. 69 673/1 Since the curie was named in honor of M. and Mme. Curie, the co-discoverers of radium, it is natural to select the name ‘rutherford’ for the new unit... The micro-rutherford would become one disintegration per second.

1958 S. Glasstone Sourcebk. Atomic Energy (ed. 2) xvii. 521 In 1948, the Committee on Standards and Units of Radioactivity of the National Research Council (United States)..favored the adoption of the proposal..that the term ‘rutherford’ be used to designate a quantity of radio~active material giving 10⁶ disintegrations per second.

1962 H. D. Bush Atomic & Nucl. Physics iv. 84 The standard unit adopted is the curie... Another unit, which has not achieved universal acceptance, is the rutherford.

1995 Metrologia 31 470/1 A quantity which specifies the ‘strength’ of radioactive sources, the ‘rutherford’ (10⁶ s⁻¹).