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NSR database version of April 11, 2024.

Search: Author = B.M.Barnett

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2004AM04      Eur.Phys.J. C 33, 23 (2004)

C.Amsler, A.V.Anisovich, C.A.Baker, B.M.Barnett, C.J.Batty, P.Blum, K.Braune, V.Crede, K.M.Crowe, M.Doser, W.Dunnweber, D.Engelhardt, M.A.Faessler, R.P.Haddock, F.H.Heinsius, N.P.Hessey, H.Kalinowsky, D.Jamnik, P.Kammel, J.Kisiel, E.Klempt, H.Koch, M.Kunze, U.Kurilla, R.Landua, H.Matthay, C.A.Meyer, F.Meyer-Wildhagen, R.Ouared, K.Peters, B.Pick, M.Ratajczak, C.Regenfus, J.Reinnarth, A.V.Sarantsev, U.Strohbusch, M.Suffert, J.S.Suh, U.Thoma, S.Wallis-Plachner, D.Walther, U.Wiedner

Production and decay of η'(958) and η(1440) in (p-bar)p annihilation at rest

NUCLEAR REACTIONS ¹H(p-bar, X), E at rest; measured η-meson production associated invariant mass spectra; deduced branching ratios for decay channels.

doi: 10.1140/epjc/s2003-01540-6
Citations: PlumX Metrics

1999BA99      Phys.Lett. 467B, 147 (1999)

C.A.Baker, B.M.Barnett, C.J.Batty, K.Braune, D.V.Bugg, O.Cramer, V.Crede, N.Djaoshvili, W.Dunnweber, M.A.Faessler, N.P.Hessey, P.Hidas, C.Hodd, D.Jamnik, H.Kalinowsky, J.Kisiel, E.Klempt, C.Kolo, L.Montanet, B.Pick, W.Roethel, A.Sarantsev, I.Scott, C.Strassburger, U.Thoma, C.Volcker, S.Wallis, D.Walther, K.Wittmack, B.S.Zou

The f₂(1565) in (p-bar)p → (ωω)π⁰ Interactions at Rest

NUCLEAR REACTIONS ¹H(p-bar, π⁰X), E at rest; measured (ωω) associated invariant mass spectra; deduced resonance role.

doi: 10.1016/S0370-2693(99)01107-7
Citations: PlumX Metrics

1998AB15      Phys.Rev. D57, 3860 (1998)

A.Abele, S.Bischoff, P.Blum, N.Djaoshvili, D.Engelhardt, A.Herbstrith, C.Holtzhaussen, M.Tischhauser, J.Adomeit, B.Kammle, J.Meier, P.Schmidt, R.Seibert, U.Strohbusch, C.Amsler, S.von Dombrowski, P.Giarritta, M.Heinzelmann, F.Ould-Saada, C.Pietra, C.Regenfus, S.Spanier, C.A.Baker, C.J.Batty, C.N.Pinder, B.M.Barnett, V.Crede, A.Ehmanns, M.Herz, H.Kalinowsky, E.Klempt, B.Pick, S.Resag, C.Strassburger, U.Thoma, K.Wittmack, M.Benayoun, A.Berdoz, R.McCrady, C.A.Meyer, K.Beuchert, T.Degener, H.Koch, M.Kunz, U.Kurilla, J.Ludemann, H.Matthay, K.Peters, M.Ratajczak, H.Stock, K.Braune, O.Cramer, W.Dunnweber, M.A.Faessler, N.P.Hessey, D.Jamnik, C.Kolo, W.Roethel, C.Volcker, S.Wallis, D.Walther, U.Wiedner, C.Zupancic, T.Case, K.M.Crowe, F.H.Heinsius, P.Kammel, M.Lakata, M.Doser, J.Kisiel, R.Landua, L.Montanet, R.Ouared, R.P.Haddock, P.Hidas, M.Suffert

(p-bar)p Annihilation at Rest into K(L)K(±)π(∓)

NUCLEAR REACTIONS ¹H(p-bar, X), E at rest; measured (K(L)K(±)π(∓)) branching ratio; deduced a₀(1450) resonance E, Γ.

doi: 10.1103/PhysRevD.57.3860
Citations: PlumX Metrics

1996FO02      Phys.Rev. C53, R2033 (1996)

K.Fohl, B.M.Barnett, R.Bilger, H.Clement, S.Krell, G.J.Wagner, J.Jaki, C.Joram, W.Kluge, M.Metzler, R.Wieser, R.L.Boudrie, C.L.Morris, R.Abela, F.Foroughi, D.Renker

Low-Energy Pionic Double Charge Exchange on the ββ-Instable Nuclei ^128,130Te

NUCLEAR REACTIONS ^128,130Te(π⁺, π^-), E=48 MeV; measured σ(E, θ); deduced implications to ^128,130Te(2β-decay). ^128,130Xe deduced ground, IAS state transitions.

doi: 10.1103/PhysRevC.53.R2033
Citations: PlumX Metrics

1995JO07      Phys.Rev. C51, 2144 (1995)

Ch.Joram, M.Metzler, J.Jaki, W.Kluge, H.Matthay, R.Wieser, B.M.Barnett, H.Clement, S.Krell, G.J.Wagner

Low-Energy Differential Cross Sections of Pion-Proton (π±p) Scattering. I. The Isospin-Even Forward Scattering Amplitude at T(π) = 32.2 and 44.6 MeV

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E=32.7-44.6 MeV; measured σ(θ) vs E; deduced isospin-even forward scattering amplitudes. Magnetic spectrometer.

doi: 10.1103/PhysRevC.51.2144
Citations: PlumX Metrics

1995JO08      Phys.Rev. C51, 2159 (1995)

Ch.Joram, M.Metzler, J.Jaki, W.Kluge, H.Matthay, R.Wieser, B.M.Barnett, R.Bilger, H.Clement, K.Fohl, K.Heitlinger, S.Krell, G.J.Wagner

Low-Energy Differential Cross Sections of Pion-Proton (π±p) Scattering. II. Phase Shifts at T(π) = 32.7, 45.1, and 68.6 MeV

NUCLEAR REACTIONS ¹H(π⁺, π⁺), (π^-, π^-), E=32.7-68.6 MeV; measured σ(θ) vs E; deduced S- and P-wave phase shifts. Magnetic spectrometer.

doi: 10.1103/PhysRevC.51.2159
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1991BI07      Phys.Lett. 269B, 247 (1991)

R.Bilger, B.M.Barnett, H.Clement, S.Krell, G.J.Wagner, J.Jaki, C.Joram, T.Kirchner, W.Kluge, M.Metzler, R.Wieser, D.Renker

Measurement of Pion Induced Double Charge Exchange on ³⁴S and ⁵⁶Fe at T(π) = 50 MeV

NUCLEAR REACTIONS ⁵⁶Fe, ³⁴S(π⁺, π^-), E=50 MeV; measured σ(θ). ⁵⁶Ni deduced levels, nonanalog transitions.

doi: 10.1016/0370-2693(91)90164-L
Citations: PlumX Metrics

1991KR06      Europhys.Lett. 15, 11 (1991)

S.Krell, B.M.Barnett, H.Clement, J.Jaki, R.R.Johnson, C.Joram, W.Kluge, H.Matthay, M.Metzler, D.Renker, G.J.Wagner

Precision Measurements of Low-Energy Pion Scattering on Sulphur Isotopes

NUCLEAR REACTIONS ^32,34S(π⁺, π⁺), (π⁺, π⁺'), (π^-, π^-'), (π^-, π^-), E=50 MeV; measured σ(θ). ^32,34S deduced neutron rms radii difference. High precision. DWIA with, without Coulomb excitation.

doi: 10.1209/0295-5075/15/1/003
Citations: PlumX Metrics

1990BA54      Nucl.Instrum.Methods Phys.Res. A297, 444 (1990)

B.M.Barnett, S.Krell, H.Clement, G.J.Wagner, J.Jaki, Ch.Joram, W.Kluge, H.Matthay, M.Metzler

Normalisation of Scattering Cross Sections for Low-Energy Pions

NUCLEAR REACTIONS ³²S(e⁺, e⁺), (e^-, e^-), (μ⁺, μ⁺), (μ^-, μ^-), E at 128.28 MeV/c; calculated σ(θ); deduced relative σ normalization for low energy pion scattering.

doi: 10.1016/0168-9002(90)91327-8
Citations: PlumX Metrics

1990JA05      Phys.Lett. 238B, 36 (1990)

J.Jaki, B.M.Barnett, H.Clement, W.Gyles, R.R.Johnson, Ch.Joram, W.Kluge, S.Krell, H.Matthay, M.Metzler, D.Renker, R.Tacik, G.J.Wagner, C.A.Wiedner, U.Wiedner

Isospin Mixing of the 1⁺ Doublet in ¹²C Determined by Low-Energy Pion Scattering

NUCLEAR REACTIONS ¹²C(π⁺, π⁺'), (π^-, π^-'), (π⁺, π⁺), (π^-, π^-), E=50 MeV; measured σ(θ). ¹²C levels deduced isospin mixing features.

doi: 10.1016/0370-2693(90)92096-2
Citations: PlumX Metrics

1987QU01      Phys.Rev.Lett. 58, 1088 (1987)

E.N.M.Quint, B.M.Barnett, A.M.van den Berg, J.F.J.van den Brand, H.Clement, R.Ent, B.Frois, D.Goutte, P.Grabmayr, J.W.A.den Herder, E.Jans, G.J.Kramer, J.B.J.M.Lanen, L.Lapikas, H.Nann, G.van der Steenhoven, G.J.Wagner, P.K.A.de Witt Huberts

Evidence for Partial Occupancy of the 3s_1/2 Proton Orbit in ²⁰⁸Pb

NUCLEAR REACTIONS ²⁰⁵Tl, ²⁰⁶Pb(e, e'p), E=410 MeV; measured spectral functions vs excitation energy. ²⁰⁵Tl, ²⁰⁶Pb deduced 3s_1/2 strengths, spectroscopic factors, proton orbit occupation probabilities. ²⁰⁸Pb deduced 3s_1/2 occupation probability. Other data input.

doi: 10.1103/PhysRevLett.58.1088
Citations: PlumX Metrics

1987WI01      Phys.Rev. C35, 708 (1987)

U.Wienands, N.Hessey, B.M.Barnett, F.M.Rozon, H.W.Roser, A.Altman, R.R.Johnson, D.R.Gill, G.R.Smith, C.A.Wiedner, D.M.Manley, B.L.Berman, H.J.Crawford, N.Grion

Elastic and Inelastic Scattering of 50-MeV Pions from ²⁸Si and ³⁰Si

NUCLEAR REACTIONS ^28,30Si(π⁺, π⁺), (π⁺, π⁺'), (π^-, π^-), (π^-, π^-'), E=50 MeV; measured σ(θ); deduced model parameters. ^28,30Si levels deduced neutron, proton transition matrix element ratio. Enriched targets. Optical model analyses.

doi: 10.1103/PhysRevC.35.708
Citations: PlumX Metrics

1985AL15      Phys.Rev.Lett. 55, 1273 (1985)

A.Altman, R.R.Johnson, U.Wienands, N.Hessey, B.M.Barnett, B.M.Forster, N.Grion, D.Mills, F.M.Rozon, G.R.Smith, R.P.Trelle, D.R.Gill, G.Sheffer, T.Anderl

Observation of the Double Isobaric Analog Transition ¹⁸O(π⁺, π^-)¹⁸Ne at 50 MeV

NUCLEAR REACTIONS ¹⁸O(π⁺, π^-), E=50 MeV; measured σ(θ). ¹⁸Ne deduced double IAS excitation. Six-quark bag model calculations, comparison with data on ¹⁴C.

doi: 10.1103/PhysRevLett.55.1273
Citations: PlumX Metrics

1985BA27      Phys.Lett. 156B, 172 (1985)

B.M.Barnett, W.Gyles, R.R.Johnson, R.Tacik, K.L.Erdman, H.W.Roser, D.R.Gill, E.W.Blackmore, S.Martin, C.A.Wiedner, R.J.Sobie, T.E.Drake, J.Alster

Density Distribution Differences of Protons in ^16,18O from Ratios of π⁺ Elastic Scattering Cross Sections

NUCLEAR REACTIONS ^16,18O(π⁺, π⁺), E=48.3, 62.8 MeV; measured σ(θ), ratios. ^18,16O deduced proton density distribution differences.

doi: 10.1016/0370-2693(85)91503-5
Citations: PlumX Metrics

1985GY02      Nucl.Phys. A439, 598 (1985)

W.Gyles, B.M.Barnett, R.Tacik, K.L.Erdman, R.R.Johnson, G.J.Lolos, H.Roser, K.A.Aniol, F.Entezami, E.L.Mathie, D.R.Gill, E.W.Blackmore, C.A.Wiedner, S.Martin, R.J.Sobie, T.E.Drake

Neutron Density Difference Measurements for ^26,24Mg and ^36,34,32S using Low-Energy Pions

NUCLEAR REACTIONS ^36,34,32S(π^-, π^-), E=48.4 MeV; ^26,24Mg(π^-, π^-), E=43.9 MeV; measured σ(θ) ratios. ^36,34,32S, ^26,24Mg deduced neutron density differences.

doi: 10.1016/0375-9474(85)90329-X
Citations: PlumX Metrics

1984SO06      Nucl.Instrum.Methods 219, 501 (1984)

R.J.Sobie, T.E.Drake, B.M.Barnett, K.L.Erdman, W.Gyles, R.R.Johnson, H.W.Roser, R.Tacik, E.W.Blackmore, D.R.Gill, S.Martin, C.A.Wiedner, T.Masterson

The TRIUMF Low Energy Pion Spectrometer and Channel

NUCLEAR REACTIONS ¹²C(π^-, π^-'), E=50 MeV; measured σ(E(π')). Low energy pion spectrometer.

doi: 10.1016/0167-5087(84)90221-7
Citations: PlumX Metrics

1983NA18      Phys.Rev. C28, 2548 (1983)

I.Navon, D.Ashery, J.Alster, G.Azuelos, B.M.Barnett, W.Gyles, R.R.Johnson, D.R.Gill, T.G.Masterson

True Absorption and Scattering of 50 Mev Pions

NUCLEAR REACTIONS C, Fe, Bi(π⁺, π⁺'), (π^-, π^-'), (π⁺, X), E=50 MeV; Li, Nb(π⁺, π⁺'), (π⁺, X), E= 50 MeV; measured σ(θ), transmission; deduced σ(absorption), large σ(π^-)/σ(π⁺).

doi: 10.1103/PhysRevC.28.2548
Citations: PlumX Metrics

1982GI08      Phys.Rev. C26, 1306 (1982)

D.R.Gill, K.L.Erdman, E.W.Blackmore, W.Gyles, B.M.Barnett, C.Oram, R.R.Johnson, T.G.Masterson, N.Grion

Elastic Scattering of 13.9 MeV Positive Pions from ¹²C

NUCLEAR REACTIONS ¹²C(π⁺, π⁺), E=13.9 MeV; measured σ(θ); deduced absorption parameters. Optical model analysis.

doi: 10.1103/PhysRevC.26.1306
Citations: PlumX Metrics

1980BA45      Phys.Lett. B97, 45 (1980)

B.M.Barnett, W.Gyles, R.R.Johnson, K.L.Erdman, J.Johnstone, J.J.Kraushaar, S.Lepp, T.G.Masterson, E.Rost, D.R.Gill, A.W.Thomas, J.Alster, I.Navon, R.H.Landau

Proton Radii Determinations from the Ratio of π⁺ Elastic Scattering from ¹¹B and ¹²C

NUCLEAR REACTIONS ¹²C, ¹¹B(π⁺, π⁺), E=38.6, 47.7 MeV; measured σ(θ). ¹²C, ¹¹B deduced rms charge radii differences.

doi: 10.1016/0370-2693(80)90543-2
Citations: PlumX Metrics