Differential Cross Section Measurements for the Elastic Scattering of Protons by<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">N</mml:mi></mml:mrow><mml:mrow><mml:mn>14</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>

Bolmgren, C. R.; Freier, George D.; Likely, J.G.; Famularo, K. F.

doi:10.1103/physrev.105.210

Cited by 27 publications

(10 citation statements)

References 6 publications

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“…[4][5][6][7][8][9][10][11][12][13][14] In works published almost half a century ago, authors used gaseous N target and CsI͑Tl͒ crystal detectors to study states in compound nucleus 15 O. [4][5][6][7][8][9][10][11][12][13][14] In works published almost half a century ago, authors used gaseous N target and CsI͑Tl͒ crystal detectors to study states in compound nucleus 15 O.…”

Section: Measurement and Parametrization Of Proton Elastic Scatteringmentioning

confidence: 99%

Measurement and parametrization of proton elastic scattering cross sections for nitrogen

Radović

Siketić

Jakšić

et al. 2008

Journal of Applied Physics

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The cross sections for the elastic scattering of protons from natural nitrogen at non-Rutherford scattering energies were measured at three laboratory scattering angles: 118°, 150°, and 165°. The experimental data were parametrized in the framework of nuclear physics models. A benchmark experiment was performed in order to prove that the excitation functions obtained in the present work can be used to adequately simulate the yield from a thick target containing nitrogen.

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Section: Measurement and Parametrization Of Proton Elastic Scatteringmentioning

confidence: 99%

Measurement and parametrization of proton elastic scattering cross sections for nitrogen

Radović

Siketić

Jakšić

et al. 2008

Journal of Applied Physics

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“…It has been reported from 0.6 Mev to 4.1 Mev in several recent papers. [1][2][3][4] Spin and parity assignments have been found for the resonances at 1.065 Mev and 1.557 Mev. The lack of knowledge of the background scattering, on which the emphasis of the present work rests, has been the principal obstacle to establishing the assignments for the others.…”

Section: Introductionmentioning

confidence: 94%

“…We do not pretend that they correspond to any real physical problem, although they have been extensively used in nuclear physics. 1 From our point of view they are a mathematical artifice, a stepping stone which enables us to take a fairly long step toward the solution of more complicated, and more realistic 2 three-body problems.…”

Section: Introductionmentioning

confidence: 99%

“…There is a more important simplification that we make. We would like at least to be able to solve the problem for central forces, i.e., when the potential energy, as a function of the position vectors ri, x^ x^ of the particles, is of the form Fl2 0l 2 ) + F13 (fis) + 1^23 (f2s), (1) where the Va are arbitrary functions and fij-jr^-Xj\. The simplification in the problem we discuss consists of replacing these potentials by a boundary condition on the wave function at each of the three boundaries fi2=a, r 2 3=a, r n =a.…”

Section: Introductionmentioning

confidence: 99%

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Quantum-Mechanical Three-Body Problem

Eyges

1959

Phys. Rev.

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We treat the quantum-mechanical problem of three spinless particles, with the boundary condition that the logarithmic derivative of the wave function be a prescribed constant at each of the three boundaries |ri-tz\ =a, |r2-rs| -a, |r x -r 3 | -a. This boundary condition is discussed; it is roughly equivalent to an interparticle potential which consists of a hard core plus a strong short-range attractive part. The eigenfunctions and eigenvalues of the system are given by the solutions of an infinite set of coupled homogeneous integral equations. The equations involve partial wave expansions in the interparticle distances and can often be truncated with good approximation by taking only a finite number of partial waves. We discuss the solution of these equations for the ground state of the system, taking relative S-waves only, for which case the infinite set of equations reduces to a single integral equation in one variable.

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“…We then have W(6) = 6(l+e 2 +5 2 ) + [12/35-(72v / 6)€/35+66e 2 /35+245 2 /7]P 2 (cos(9) + [(24 v / 6)e/7+12e 2 /7-245 2 /7]P 4 (cosl9). (9) The data require cancellation of the P 4 term and equality of the Po and P 2 terms: € 2 +(2x/6)e-25 2 =0, 6(l+e 2 +S 2 ) = 12/35-72(v / 6)€/35 +66e 2 /35+245 2 /7, (10) for which a solution does not exist with e and 8 both real. It is concluded that the 9.60-MeV level of O 15 can only be f~~.…”

Section: B the 960-mev Levelmentioning

confidence: 99%

Decay of the 9.49-, 9.53-, and 9.60-MeV Levels ofO15

Evans¹

1967

Phys. Rev.

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The N 14 (^,T)0 15 reaction has been studied for proton energies of from 1.85 to 2.60 MeV. Principal resonances occur at 2.352±0.005 and 2.480±0.005 MeV, corresponding to levels in O 15 at 9.487 and 9.606 MeV. In addition, there is known to be a level of approximate width 300 keV at an energy of approximately 9.53 MeV. The decay of these levels has been studied using an anticoincidence-shielded Nal(Tl) spectrometer. Both of the sharp levels decay strongly to the ground state of O 15 , to the 5.24-MeV level, and weakly to the 6.18-MeV level. In addition, the 9.487-MeV level decays weakly to the 6.86-and 7.284-MeV levels. From the intensities and angular distributions of the ground-state transitions, it is concluded that the spin and parity of the 9.487-MeV level are f~ and that those of the 9.606-MeV level are §-. The broad 9.53-MeV level decays almost entirely to the ground state. A search for gamma radiation from the level in O 15 reported at 9.67 MeV was unfruitful. 1551047

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Differential Cross Section Measurements for the Elastic Scattering of Protons byN14

Cited by 27 publications

References 6 publications

Measurement and parametrization of proton elastic scattering cross sections for nitrogen

Measurement and parametrization of proton elastic scattering cross sections for nitrogen

Quantum-Mechanical Three-Body Problem

Decay of the 9.49-, 9.53-, and 9.60-MeV Levels ofO15

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