Elsevier

Nuclear Physics A

Volume 331, Issue 1, 19 November 1979, Pages 1-15
Nuclear Physics A

Investigation of charge symmetry violation in the mirror reactions 2H(d, p)3H and 2H(d, n)3He

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Abstract

Precision measurements of the angular distributions of the vector and the three tensor analysing powers of the mirror reactions 2H(d, p)3H and 2H(d, n)3He are compared betwen 1.5 and 15.5MeV incident deuteron energy. Large and complex differences are observed over the whole energy range. After applying approximate Coulomb corrections, the discrepancies are essentially constant above 4 MeV deuteron energy. Although at present calculations which treat the Coulomb interaction in an exact way cannot be made, there is strong evidence for charge symmetry violation in these mirror reactions.

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Cited by (20)

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    Citation Excerpt :

    Regarding the question of charge symmetry, its violations are known to be due to the perturbing effects of the mass difference between up and down quarks and electromagnetic interactions between the quarks [12]. Charge symmetry violation in reactions 2H(d,n)3He and 2H(d,p)3H was addressed in [13,14] and more recently in Ref. [15]. Calculations of nuclear fusion reaction rates, together with energetic and angular distributions of the products of these reactions, are an essential part of the physics basis for the ongoing work on neutron sources, demonstration power plant concepts and fusion–fission hybrid systems based on magnetic plasma confinement [16,17], for the development of blankets of such systems [18–20], and for the advancement of nuclear technologies of the controlled fusion [21–23].

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On leave from the Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87545, USA.

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