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Dive into the research topics where D. A. Hutcheon is active.

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Featured researches published by D. A. Hutcheon.


Physical Review Letters | 2003

Charge symmetry breaking in np-->dpi(0).

Allena K. Opper; E. Korkmaz; D. A. Hutcheon; R. Abegg; C.A. Davis; R. W. Finlay; P.W. Green; L.G. Greeniaus; David Victor Jordan; J.A. Niskanen; G. V. O'Rielly; T. A. Porcelli; S. D. Reitzner; P. L. Walden; S. Yen

The forward-backward asymmetry in np-->dpi(0), which must be zero in the center-of-mass system if charge symmetry is respected, has been measured to be [17.2+/-8.0(stat)+/-5.5(syst)]x10(-4), at an incident neutron energy of 279.5 MeV. This observable is compared to recent chiral effective field theory calculations, with implications regarding the du quark mass difference.


Physical Review Letters | 2003

Charge Symmetry Breaking innp→dπ0

Allena K. Opper; E. Korkmaz; D. A. Hutcheon; R. Abegg; C.A. Davis; R. W. Finlay; P.W. Green; L.G. Greeniaus; David Victor Jordan; J.A. Niskanen; G. V. O’Rielly; T. A. Porcelli; S. D. Reitzner; P. L. Walden; S. Yen

The forward-backward asymmetry in np-->dpi(0), which must be zero in the center-of-mass system if charge symmetry is respected, has been measured to be [17.2+/-8.0(stat)+/-5.5(syst)]x10(-4), at an incident neutron energy of 279.5 MeV. This observable is compared to recent chiral effective field theory calculations, with implications regarding the du quark mass difference.


Physical Review Letters | 1998

Differential cross-section of the p n --> p p((1)S(0)) pi- reaction extracted from p d --> p p p pi-

F. Duncan; H. Hahn; C. Aclander; D. Ashery; E. G. Auld; D. R. Gill; D. A. Hutcheon; G. Jones; E. Korkmaz; S. MayTal-Beck; M. A. Moinester; J.A. Niskanen; D. Ottewell; A. Rahav; S. Ram; Martin Sevior; P. Walden; R. Weiss


Physical Review Letters | 1999

MEASUREMENT OF THE GAMMA P PI + N REACTION NEAR THRESHOLD

E. Korkmaz; N. R. Kolb; D. A. Hutcheon; G. V. O'Rielly; John C. Bergstrom; Gary J. Feldman; David Victor Jordan; Allena K. Opper; R. E. Pywell; B. D. Sawatzky; D. M. Skopik


Physical Review Letters | 1999

Analyzing powers and partial wave decomposition of p n --> p p((1)S(0)) pi- at low-energies

H. Hahn; F. Duncan; J. Aclander; D. Ashery; E. G. Auld; D. R. Gill; D. A. Hutcheon; G. Jones; E. Korkmaz; S. MayTal-Beck; M. A. Moinester; J.A. Niskanen; D. Ottewell; A. Rahav; S. Ram; Martin Sevior; P. Walden; R. Weiss


Physical Review C | 1999

Inclusive measurements of the ppòpnp 1 reaction at 420 and 500 MeV

R. G. Pleydon; W.R. Falk; M. Benjamintz; S. Yen; P. Walden; R. Abegg; D. A. Hutcheon; C.A. Miller; M. Hartig; K. Hicks; G. V. O’Rielly; R. Shyam


Archive | 2000

Measurement of the analyzing power of the reactions C(p,pp)X and C(p,pd)X at 500 MeV

B. Khurelbaatar; V.S. Kiselev; R.Kh. Kutuev; Z. Z. Musulmanbekov; Vladimir A. Nikitin; V. P. Nomokonov; A. V. Pavlyuk; I. A. Rufanov; R. Ya. Zulkarneev; Anvar D. Avezov; Al'bert A. Gafarov; Yu. N. Koblik; V. V. Mialkovski; D. A. Mirkarimov; Andrey V. Morozov; V. A. Pirogov; Gennadiy A. Radyuk; Bekzad S. Yuldashev; D. A. Hutcheon; S. Yen; Vladimir Chaloupka; William Michael Dougherty; Jerome Zhengrong Liang; H. Lubatti; W. G. Weitkamp; T. Zhao


Archive | 2000

Charge Symmetry Breaking in nparrowdpi^circ Close to Threshold

E. Korkmaz; G. V. O'Rielly; Tracy Ann Porcelli; Allena K. Opper; Sarah Diane Reitzner; R.W. Finlay; D. A. Hutcheon; R. Abegg; P.W. Green; L.G. Greeniaus; David Victor Jordan; P. L. Walden; Christopher Davis; S. Yen; E. G. Auld; Jouni A. Niskanen


Physical Review Letters | 1999

Measurement of the ?p?p+n Reaction near Threshold

E. Korkmaz; N. R. Kolb; D. A. Hutcheon; G. V. O'Rielly; John C. Bergstrom; Gary J. Feldman; David Victor Jordan; Allena K. Opper; R. E. Pywell; B. D. Sawatzky; D. M. Skopik


Archive | 1998

A Study of Systematic Effects in a nparrowdpi^circ Charge Symmetry Breaking Experiment.

Sarah Diane Reitzner; Allena K. Opper; R.W. Finlay; Kenneth H. Hicks; E. Korkmaz; G. V. O'Rielly; D. A. Hutcheon; R. Abegg; P.W. Green; L.G. Greeniaus; David Victor Jordan; M. A. Quraan; P. L. Walden; Christopher Davis; S. Yen; R. Churchman; Jouni A. Niskanen

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G. V. O'Rielly

University of Northern British Columbia

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