STUDY OF neutrino D CHARGED CURRENT TWO PION PRODUCTION IN THE THRESHOLD REGION - INSPIRE

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STUDY OF neutrino D CHARGED CURRENT TWO PION PRODUCTION IN THE THRESHOLD REGION

1983

7 pages

Published in:

Phys.Rev.D 28 (1983) 2714-2720

DOI:

10.1103/PhysRevD.28.2714

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Abstract: (APS)

We present our final results on double-pion production by muon-type neutrinos observed in a 2.4×106 (365 000) picture exposure of the Argonne 12-foot deuterium- (hydrogen-) filled bubble chamber. The reactions νd→μ−π−π+pps, νd→μ−π+π0pns, and νd→μ−π+π+nns are studied. The data, which shows strong Δ(1236) production, has nucleon-π−π mass distribution peaked at low masses in all three reactions. The excitation functions for the three reactions exhibit a rapid rise over the energy range from threshold up to about 3 GeV, but thereafter the energy dependence appears less pronounced. The threshold behavior of the cross sections for these reactions is analyzed in the context of a model developed by Adjei, Dicus, and Teplitz. Data from the constrained reaction, νd→μ−π−π+pps, satisfy the Adler conserved-vector-current test.

NEUTRINO DEUTERON: EXCLUSIVE REACTION
PI: NEUTRINOPRODUCTION
NEUTRINOPRODUCTION: PI
DELTA(1232): NEUTRINOPRODUCTION
NEUTRINOPRODUCTION: DELTA(1232)
EFFECT: THRESHOLD
MOMENTUM SPECTRUM
MASS SPECTRUM: (P PI+)
(P PI+): MASS SPECTRUM
MASS SPECTRUM: (PI+ PI-)

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Figures(0)

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Duane A. Dicus
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Vigdor L. Teplitz
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