Refereed Publications: David S. Armstrong

       last updated June 2007

D.S. Armstrong et al.,   (G0 collaboration)
"Transverse Beam Spin Asymmetries in Forward-Angle Elastic Electron-Proton Scattering''
Phys. Rev. Lett. 99 (2007)092301    (preprint)

S. Tripathi, D.S. Armstrong, M.E. Christy, J.H.D. Clark, T.P. Gorringe, M.D. Hasinoff, M.A. Kovash, D.H. Wright, and P.A. Zolnierczuk,
"Double radiative pion capture on hydrogen and deuterium and the nucleon's pion cloud"
Phys. Rev. C 75 (2007)064603.    (preprint)

A. Acha et al.,   (HAPPEX collaboration)
"Precision Measurements of Nucleon Strange Form Factors at Q² ~ 0.1 GeV²''
Phys. Rev. Lett. 98 (2007)032301    (preprint)

R.T. Jones, T. Bogue, B.E. Evans, M. Kornicer, A.R. Dzierba, R. Gardner, J.L. Gunter, D. Krop, R. Lindenbusch, D.R. Rust, E. Scott, P. Smith, C. Steffen, S. Teige, D.S. Armstrong, J.H.D. Clark, L.J. Kaufman, D.J. Steiner, E. Frlez, D. Pocanic, J.J. Kolata, L.O. Lamm, G. Rogachev, C. Campbell, E. Collins, L. McGlinchey, P. Rubin, E. Walker, G.S. Adams, J. Napolitano, H. Crannell, D.I. Sober, R.R. Mammei, and E.S. Smith
"Performance of the RADPHI detector and trigger in a high rate tagged photon beam"
Nucl. Instrum. Methods A 570 (2007)384

K.A. Aniol et al.,   (HAPPEX collaboration)
"Constraints on the nucleon strange form factors at Q²~0.1 GeV²"
Phys. Lett. B 635(2006)275    (preprint)

J.H.D. Clark, D.S. Armstrong, T.P. Gorringe, M.D. Hasinoff, P.M. King, T.J. Stocki, S. Tripathi, D.H. Wright, P.A. Zolnierczuk,
"Ortho-para transition rate in µ-molecular hydrogen and the proton's induced pseudoscalar coupling g_p''
Phys. Rev. Lett. 96 (2006)073401    (preprint)

K.A. Aniol et al.,   (HAPPEX collaboration)
"Parity-Violating Electron Scattering from ⁴He and the Strange Electric Form Factor of the Nucleon''
Phys. Rev. Lett 96 (2006)022003    (preprint)

K. Kramer et al.,
"Q² Dependence of the Neutron Spin Structure Function gⁿ₂ at Low Q²''
Phys. Rev. Lett. 95 (2005)142002    (preprint)

D.S. Armstrong et al.,   (G0 collaboration)
"Strange-Quark Contributions to Parity-Violating Asymmetries in the Forward G0 Electron-Proton Scattering Experiment''
Phys. Rev. Lett. 95 (2005)092001    (preprint)

X. Zheng, et al.,
"Precision measurement of the neutron spin asymmetries and spin-dependent structure functions in the valence quark region''
Phys. Rev. C 70 (2004)065207    (preprint)

K.A. Aniol, et al. (HAPPEX Collaboration),
"Parity-violating electroweak asymmetry in e p scattering''
Phys. Rev. C 69 (2004)065501    (preprint)

X. Zheng, et al. (Hall A Collaboration),
"Precision measurement of the neutron spin asymmetry A₁ⁿ and spin-flavor decomposition in the valence quark region''
Phys. Rev. Lett. 92 (2004)012004    (preprint)

P. Zolnierczuk, D.S. Armstrong, E. Christy, J.H.D. Clark, T.P. Gorringe, M.D. Hasinoff, M.A. Kovash, S. Tripathi, D.H. Wright,
"Search for exotic baryons in double radiative capture on pionic hydrogen''
Phys. Lett. B 597 (2004)131 (preprint)

D.S. Carman, et al., (CLAS collaboration)
"First Measurement of Transferred Polarization in the Exclusive Polarized-e + P -> e' + K + Polarized-Lambda Reaction,
Phys.Rev.Lett. 90 (2003)131804    (preprint)

M. Battaglieri, et al., (CLAS collaboration)
"Photoproduction of the Omega Meson on the Proton at Large Momentum Transfer''
Phys.Rev.Lett. 90 (2003)022002    (preprint)

S. Arole, D.S. Armstrong, T.P. Gorringe, M.D. Hasinoff, M.A. Kovash, V. Kuzmin, B.A. Moftah, R. Sedlar, T.J. Stocki, and T. Tetereva,
"Muon capture on ³⁵Cl''
Phys. Rev. C 66 (2002)065501    (preprint)

S. Tripathi, D.S. Armstrong, M.E. Christy, J.H.D. Clark, T.P. Gorringe, M.D. Hasinoff, M.A. Kovash, D.H. Wright, and P.A. Zolnierczuk,
"Observation of double radiative capture on pionic hydrogen''
Phys. Rev. Lett. 89 (2002)252501    (preprint)

K. Joo, et al. (CLAS collaboration)
"Q² Dependence of Quadrupole Strength in the gamma^*p ---> Delta⁺(1232) pi⁰ Transition ''
Phys. Rev. Lett. 88(2002)122001

R. De Vita, et al. (CLAS collaboration)
"First Measurement of the Double Spin Asymmetry in Polarized-e Polarized-p ---> e' pi⁺ n in the Resonance Region''
Phys. Rev. Lett. 88(2002)082001

M. Battaglieri, et al. (CLAS collaboration)
"Photoproduction of the rho⁰ Meson on the Proton at Large Momentum Transfer ''
Phys. Rev. Lett. 87 (2001)172002

K.A. Aniol, et al. (HAPPEX collaboration)
"New Measurement of Parity Violation in Elastic Electron-Proton Scattering and Implications for Strange Form Factors''
Phys. Lett. B 509(2001)211

E. Anciant, et al. (CLAS collaboration)
"Photoproduction of phi(1020) Mesons on the Proton at Large Momentum Transfer''
Phys. Rev. Lett. 85(2000)4682

T.P. Gorringe, D.S. Armstrong, S. Arole, M. Boleman, E. Gete, V. Kuzmin, B.A. Moftah, R. Sedlar, T.J. Stocki, and T. Tetereva,
"Measurement of Partial Muon Capture Rates in 1s-0d Shell Nuclei''
Phys. Rev. C 60(1999)055501.

P.C. Bergbusch, D.S. Armstrong, M. Blecher, C.Q. Chen, B.C. Doyle, T.P. Gorringe, P. Gumplinger, M.D. Hasinoff, G. Jonkmans, J.A. Macdonald, J-M. Poutissou, R. Poutissou, C.N. Sigler, and D.H. Wright,
"Radiative Muon Capture on O, Al, Si, Ti, Zr, and Ag''
Phys. Rev. C 59(1999)2853-2864. (preprint postscript)

K.A. Aniol, et al., (HAPPEX collaboration)
"Measurement of the Neutral Weak Form Factors of the Proton''
Phys. Rev. Lett. 82(1999)1096-1099 (preprint)

T.P. Gorringe, D.S. Armstrong, C.Q. Chen, B.C. Doyle, P. Gumplinger, H.W. Fearing, M.D. Hasinoff, M.A. Kovash, and D.H. Wright.
"Isotope Dependence of Radiative Muon Capture on the ^58,60,62Ni Isotopes''
Phys. Rev. C 58(1998)1767-1776.

D.H. Wright, S. Ahmad, D.S. Armstrong, G. Azuelos, W. Bertl, M.Blecher, C.Q. Chen, P. Depommier, B.C. Doyle, T. von Egidy, T.P. Gorringe, P. Gumplinger, M.D. Hasinoff, D. Healey, G. Jonkmans, A.J. Larabee, J.A. Macdonald, S.C. McDonald, M. Munro, J.-M. Poutissou, R. Poutssou, B.C. Robertson, D.G. Sample, E. Saettler, C.N. Sigler, G.N. Taylor, and N.S. Zhang.
"Measurement of the induced pseudoscalar coupling using radiative muon capture on hydrogen''
Phys. Rev. C 57(1998)373-390.

B.A. Moftah, E. Gete, D.F. Measday, D.S. Armstrong, J. Bauer, T.P. Gorringe, B.L. Johnson, B. Siebels, and S. Stanislaus.
"Muon Capture in ²⁸Si and g_p/g_a ''
Phys. Lett. B395(1997)157-162. (preprint)

Crystal Barrel Collaboration: A. Abele, et al.
"High-mass rho-meson states from pbar-d annihilation at rest into pi^-pi⁰pi⁰P_(spectator) ''
Phys. Lett. B391(1997)191-196. (preprint, postscript, gzipped)

G. Jonkmans, S. Ahmad, D.S. Armstrong, G. Azuelos, W. Bertl, M.Blecher, C.Q. Chen, P. Depommier, B.C. Doyle, T. von Egidy, T.P. Gorringe, P. Gumplinger, M.D. Hasinoff, D. Healey, A.J. Larabee, J.A. Macdonald, S.C. McDonald, M. Munro, J.-M. Poutissou, R. Poutissou, B.C. Robertson, D.G. Sample, E. Saettler, C.M. Sigler, G.N. Taylor, D.H. Wright, and N.S. Zhang. (RMC Collaboration)
"Radiative Muon Capture on Hydrogen and the Induced Pseudoscalar Coupling''
Phys. Rev. Lett. 77(1996)4512-4515. (preprint)

Crystal Barrel Collaboration: A. Abele, et al.
"Observation of f₀(1500) decay into K_LK_L''
Phys. Lett. B385(1996)425-432. (preprint, postscript, gzipped)

B.L. Johnson, T.P. Gorringe, D.S. Armstrong, J. Bauer, M.D. Hasinoff, M.A. Kovash, D.F. Measday, B.A. Moftah, R. Porter, and D.H. Wright,
"Observables in Muon Capture on ²³Na and the effective weak couplings ~g_a and ~g_p/~g_a''
Phys. Rev. C, 54(1996)2714-2731.

Crystal Barrel Collaboration: A. Abele, et al.
"Further Analysis of p anti-p -> 3 pi⁰, eta eta pi⁰, and eta pi⁰ pi⁰ at rest'',
Nucl. Phys. A 609(1996)562-584. Crystal Barrel Collaboration: J. Adomeit, et al.
"Evidence for two isospin zero J^PC = 2^-+ mesons at 1645 and 1875 MeV'',
Zeit. f. Phys. C 71(1996)227-238. (preprint postscript, gzipped)

Crystal Barrel Collaboration: A. Abele, et al.
"A study of f₀(1500) decays into 4pi⁰ in p anti-p -> 5pi⁰ at rest''
Phys. Lett. B380(1996)453-460. (preprint postscript, gzipped)

Crystal Barrel Collaboration: C. Amsler, et al.
"Search for a new light gauge boson in pi⁰, eta, and eta´ decays'',
Zeit. Phys. C 70(1996)219-226. (preprint postscript, gzipped))

Crystal Barrel Collaboration: C. Amsler, et al.
"E decays to eta pi pi in p anti-p annihilation at rest''
Phys. Lett. B358(1995)389-398.

Crystal Barrel Collaboration: C. Amsler, et al.
"Coupled Channel Analysis of p anti-p annihilation into pi⁰ pi⁰ pi⁰, pi⁰ eta eta, and pi⁰ pi⁰ eta''
Phys. Lett. B355(1995)425-432.

Crystal Barrel Collaboration: C. Amsler, et al.
"High Statistics Study of f₀(1500) decay into eta eta ''
Phys. Lett. B353(1995)571-577.

Crystal Barrel Collaboration: C. Amsler, et al.
"First observation of the production of nucleon resonances in antiproton annihilation in liquid deuterium''
Phys. Lett. B352(1995)187-192.

Crystal Barrel Collaboration: C. Amsler, et al.
"Observation of radiative p anti-p annihilation into a phi meson''
Phys. Lett. B346(1995)363-370.

Crystal Barrel Collaboration: C. Amsler, et al.
"eta-decays into three pions'',
Phys. Lett. B346(1995)203-207.

Crystal Barrel Collaboration: C. Amsler, et al.
"High-statistics study of f₀(1500) decay into pi⁰ pi⁰ '',
Phys. Lett. B342(1995)433-439.

Crystal Barrel Collaboration: C. Amsler, et al.
"First Observations of Pontecorvo Reactions with a Recoiling Neutron'',
Zeit. f. Phys. A(1995)325-331.

Crystal Barrel Collaboration: C. Amsler, et al.
"Eta eta´ threshold enhancement in anti-p - p annihilations into pi⁰ eta eta´ at rest ''
Phys. Lett. B340 (1994)259-263.

T.P. Gorringe, B.L. Johnson, D.S. Armstrong, J. Bauer, M.A. Kovash, M.D. Hasinoff, D.F. Measday, B.A. Moftah, R. Porter, and D.H. Wright.
"The Hyperfine Effect in µ^- Capture on ²³Na and g_p/g_a'',
Phys. Rev. Lett. 72(1994)3472-3475.

Crystal Barrel Collaboration: C. Amsler, et al.
"Observation of a Scalar Resonance Decaying to pi⁺ pi^- pi⁰ pi⁰ in p anti-p Annihilation at Rest'',
Phys. Lett. B322(1994)431-440.

Crystal Barrel Collaboration: V.V. Anisovich, et al.
"Observation of Two JPC = 0++ Isoscalar Resonances at 1365 and 1520 MeV'',
Phys. Lett. B323(1994)233-241.

Crystal Barrel Collaboration: C. Amsler, et al.
"Study of p anti-p Annihilation at rest into omega eta pi⁰ '',
Phys. Lett. B327(1994)425-432.

Crystal Barrel Collaboration: C. Amsler, et al.
"Search for a New Light Gauge Boson in Decays of pi⁰ and eta'',
Phys. Lett. B333(1994)271-276.

Crystal Barrel Collaboration: C. Amsler, et al.
"Observation of a new I^G(J^PC) = 1^-0⁺⁺ resonance at 1450 MeV'' ,
Phys. Lett. B333(1994)277-282.

T.P. Gorringe, B.L. Johnson, J. Bauer, M.A. Kovash, R. Porter, P. Gumplinger, M.D. Hasinoff, D.F. Measday, B.A. Moftah, D.S. Armstrong, and D.H. Wright.
"Measurement of Hyperfine Transition Rates in Muonic ¹⁹F, ²³Na, ³¹P, and ^natCl'',
Phys. Lett. B309(1993)241-245.

Crystal Barrel Collaboration: C. Amsler, et al.
"Protonium Annihilation into K⁰_L K⁰_S pi⁰ and K⁰_L K⁰_S eta '',
Phys. Lett. B319(1993)373-380.

Crystal Barrel Collaboration: C.Amsler, et al.
"Antiproton-proton Annihilation at Rest into Two-Body Final States'',
Z. Phys. C 58(1993)175-189.

Crystal Barrel Collaboration: C. Amsler, et al.
"Antiproton-Proton Annihilation at Rest into omega pi⁰ pi⁰ '',
Phys. Lett. B311(1993)362-370.

Crystal Barrel Collaboration: C. Amsler, et al.
"Radiative Protonium Annihilation into gamma gamma, gamma pi⁰, gamma eta, gamma omega, gamma eta´ '',
Phys. Lett. B311(1993)371-378.

D.H. Wright, S. Ahmad, D.S. Armstrong, G. Azuelos, W. Bertl, M. Blecher C.Q. Chen, T.P. Gorringe, M.D. Hasinoff, R.S. Henderson, J.A. Macdonald, J-M. Poutissou, R. Poutissou, B.C. Robertson, D.G. Sample, A. Serna-Angel, G. Taylor, and N.S. Zhang.
"The TRIUMF Radiative Muon Capture Facility'',
Nucl. Instrum. Methods. A320(1992)249-262.

D.S. Armstrong, A. Serna-Angel, S. Ahmad, G. Azuelos, W. Bertl, M. Blecher C.Q. Chen, P. Depommier, T. von Egidy, T.P. Gorringe, M.D. Hasinoff, R.S. Henderson, A.J. Larabee, J.A. Macdonald, S.C. McDonald, J-M. Poutissou, R. Poutissou, B.C. Robertson, D.G. Sample, G.N. Taylor, D.H. Wright, and N.S. Zhang.
"Radiative Muon Capture on Al, Si, Ca, Mo, Sn, and Pb'',
Phys. Rev. C 46(1992)1094-1107.

D.S. Armstrong, S. Ahmad, R.A. Burnham, T.P. Gorringe, M.D. Hasinoff, A.J. Larabee, C.E. Waltham, G. Azuelos, J.A. Macdonald, T. Numao, J-M. Poutissou, M. Blecher, D.H. Wright, E.T.H. Clifford, J. Summhammer, P. Depommier, R. Poutissou, H. Mes, and B.C. Robertson.
"Radiative Muon Capture on Carbon, Oxygen and Calcium'',
Phys. Rev. C 43(1991)1425-1447.

M.R. Harston, D.S. Armstrong, D.F. Measday, S. Stanislaus, P. Weber, and D. Horvath.
"Stopped Pion Capture and Transfer in Alcohols'',
Phys. Rev. A. 44(1991)103-110.

P. Weber, D.S. Armstrong, D.F. Measday, A.J. Noble, S. Stanislaus, M.R. Harston, K.A. Aniol, and D. Horvath.
"Pion Transfer from Hydrogen to Deuterium in H₂ + D₂ Gas Mixtures'',
Phys. Rev. A 41(1990)1-10.

S. Stanislaus, D.F. Measday, D. Vetterli, P. Weber, K.A. Aniol, M.R. Harston, and D.S. Armstrong.
"Transfer of pi^- from Hydrogen to Deuterium in H₂O + D₂O Mixtures'',
Phys. Lett. A143(1990)239-243.

M.R Harston, D.S. Armstrong, D.F. Measday, S. Stanislaus, and P. Weber.
"Transfer Mechanisms for Pionic Hydrogen in Organic Liquids'',
Phys. Rev. Lett. 64(1990)1887-1890.

S. Stanislaus, D.S. Armstrong, D.F. Measday, P. Weber, and M. Harston.
"Search for T=2 Dibaryons via pi^- d -> gamma X'',
Phys. Lett. B219(1989)237-239.

S. Stanislaus, D.S. Armstrong, and D.F. Measday.
"Search for the Spontaneous Emission of Pions'',
Phys. Rev. C 39(1989)295-297 (Rapid Communications).

D.S. Armstrong, S. Ahmad, R.A. Burnham, T.P. Gorringe, M.D. Hasinoff, A.J. Larabee, C.E. Waltham, G. Azuelos, J.A. Macdonald, J-M. Poutissou, M. Blecher, D.H. Wright, E.T.H. Clifford, J. Summhammer, P. Depommier, R. Poutissou, H. Mes, and B.C. Robertson.
"Radiative Muon Capture on Oxygen and the Induced Pseudoscalar Coupling'',
Phys. Rev. C 40(1989)R1100-1103 (Rapid Communications).

T.P. Gorringe, S. Ahmad, D.S. Armstrong, R.A. Burnham, M.D. Hasinoff, A.J. Larabee, C.E. Waltham, G. Azuelos, J.A. Macdonald, J-M. Poutissou, M. Blecher, D.H. Wright, P. Depommier, R. Poutissou, and E.T.H. Clifford.
"Search for the Tetraneutron'',
Phys. Rev. C 40(1989)2390-2393.

D.S. Armstrong, S.K. Saha, C.-W. Cheng, E. Adamides, A. Henrikson, M.A. Lone, and B.C. Robertson.
"Gamma Ray Strength Function of ¹⁹⁸Hg'',
Nucl. Phys. A441(1985)397-409.