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NSR database version of April 27, 2024.

Search: Author = S.H.Rokni

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2002RO20      Nucl.Instrum.Methods Phys.Res. A484, 680 (2002)

S.H.Rokni, A.Fasso, T.Gwise, J.C.Liu, S.Roesler

Induced Radioactivity of Materials by Stray Radiation Fields at an Electron Accelerator

doi: 10.1016/S0168-9002(01)02064-2
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1998ST17      Phys.Rev. D58, 032003 (1998)

L.M.Stuart, P.E.Bosted, L.Andivahis, A.Lung, J.Alster, R.G.Arnold, C.C.Chang, F.S.Dietrich, W.R.Dodge, R.Gearhart, J.Gomez, K.A.Griffioen, R.S.Hicks, C.E.Hyde-Wright, C.Keppel, S.E.Kuhn, J.Lichtenstadt, R.A.Miskimen, G.A.Peterson, G.G.Petratos, S.E.Rock, S.H.Rokni, W.K.Sakumoto, M.Spengos, K.Swartz, Z.Szalata, L.H.Tao

Measurements of the Δ(1232) Transition Form Factor and the Ratio σ_n/σ_p from Inelastic Electron-Proton and Electron-Deuteron Scattering

NUCLEAR REACTIONS ^1,2H(e, e'), E=9.8 GeV; measured σ(E', θ); deduced transition form factors, Δ production σ(n)/σ(p).

doi: 10.1103/PhysRevD.58.032003
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1995DO07      Phys.Lett. 344B, 91 (1995)

M.L.Dowell, S.Gilad, E.Piasetzky, S.Hoibraten, H.W.Baer, E.J.Beise, J.D.Bowman, G.W.Dodson, F.Irom, J.N.Knudson, G.S.Kyle, M.J.Leitch, L.D.Pham, R.P.Redwine, S.H.Rokni, L.C.Smith, D.R.Tieger, S.A.Wood

Measurements of Quasi-Elastic Pion Single Charge Exchange on ³He at T(π) = 245 MeV

NUCLEAR REACTIONS ³He(π⁺, π⁰), (π^-, π⁰), (π⁺, π⁰p), (π^-, π^-p), E=245 MeV; measured σ(θ(π), E(π)), σ(θ(π), θ(p)); deduced integral σ; deduced quasifree mechanism evidence.

doi: 10.1016/0370-2693(94)01539-O
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1993AN12      Phys.Rev.Lett. 71, 959 (1993)

P.L.Anthony, R.G.Arnold, H.R.Band, H.Borel, P.E.Bosted, V.Breton, G.D.Cates, T.E.Chupp, F.S.Dietrich, J.Dunne, R.Erbacher, J.Fellbaum, H.Fonvieille, R.Gearhart, R.Holmes, E.W.Hughes, J.R.Johnson, D.Kawall, C.Keppel, S.E.Kuhn, R.M.Lombard-Nelsen, J.Marroncle, T.Maruyama, W.Meyer, Z.-E.Meziani, H.Middleton, J.Morgenstern, N.R.Newbury, G.G.Petratos, R.Pitthan, R.Prepost, Y.Roblin, S.E.Rock, S.H.Rokni, G.Shapiro, T.Smith, P.A.Souder, M.Spengos, F.Staley, L.M.Stuart, Z.M.Szalata, Y.Terrien, A.K.Thompson, J.L.White, M.Woods, J.Xu, C.C.Young, G.Zapalac, and the E142 Collaboration

Determination of the Neutron Spin Structure Function

NUCLEAR REACTIONS ³He(polarized e, e'), E=19-26 GeV; measured neutron asymmetry. ¹n deduced spin structure function. Polarized target.

doi: 10.1103/PhysRevLett.71.959
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1993BA27      Phys.Rev. C48, 735 (1993)

H.Baghaei, J.Dubach, M.B.Frodyma, R.S.Hicks, R.A.Miskimen, G.A.Peterson, S.H.Rokni, A.Hotta, T.Suzuki

Transverse Form Factors of ¹¹⁷Sn

NUCLEAR REACTIONS ¹¹⁷Sn(e, e'), (e, e), E=100-221 MeV; measured σ(E, θ). ¹¹⁷Sn deduced transverse form factors. Enriched target. Comparison with shell model, core polarization calculations.

doi: 10.1103/PhysRevC.48.735
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1991BA33      Nucl.Phys. A527, 357c (1991)

H.Baghaei, A.Cichocki, J.B.Flanz, M.Frodyma, B.Frois, Y.Han, R.S.Hicks, J.Martino, R.A.Miskimen, C.N.Papanicolas, G.A.Peterson, S.Platchkov, S.Raman, S.H.Rokni, T.Suzuki

Elastic Magnetic Electron Scattering from ⁴¹Ca

NUCLEAR REACTIONS ⁴¹Ca(e, e), E not given; measured form factor. ⁴¹Ca deduced various multipoles quenching factors.

doi: 10.1016/0375-9474(91)90125-P
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1991BO21      Nucl.Phys. A527, 339c (1991)

P.E.Bosted, L.Clogher, A.Lung, L.Stuart, J.Alster, R.G.Arnold, C.C.Chang, F.Dietrich, W.R.Dodge, R.Gearhart, J.Gomez, K.Griffioen, R.Hicks, C.Hyde-Wright, C.Keppel, S.Kuhn, J.Lichtenstadt, R.Miskimen, G.G.Petratos, G.A.Peterson, S.E.Rock, S.H.Rokni, W.K.Sakumoto, K.Swartz, Z.N.Szalata, L.H.Tao

New Measurements of the Electric and Magnetic Elastic Form Factors of the Proton and Neutron at High Momentum Transfers

NUCLEAR REACTIONS ¹H(e, e'), E=1.4-10 GeV; measured electron spectra. ¹H deduced magnetic form factor.

doi: 10.1016/0375-9474(91)90123-N
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1991HO03      Phys.Rev. C43, 1255 (1991)

S.Hoibraten, S.Gilad, W.J.Burger, R.P.Redwine, E.Piasetzky, H.W.Baer, J.D.Bowman, F.H.Cverna, F.Irom, M.J.Leitch, J.N.Knudson, S.A.Wood, S.H.Rokni

Coincidence Measurements of the (π⁺, π⁰p) Reaction at T(π⁺) = 165 MeV

NUCLEAR REACTIONS ¹⁶O, Fe, Sn, Pb(π⁺, π⁰p), E=165 MeV; measured σ(Eπ, θπ, θp); deduced σ(θπ, θp), σ(θπ).

doi: 10.1103/PhysRevC.43.1255
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1991MI13      Phys.Rev. C44, 1679 (1991)

R.A.Miskimen, H.Baghaei, P.E.Bosted, K.A.Dow, M.Frodyma, B.Frois, R.S.Hicks, A.Hotta, R.L.Huffman, K.S.Lee, J.Martino, G.A.Peterson, S.Platchkov, S.E.Rock, S.H.Rokni, W.Turchinetz, J.D.Zumbro

Elastic Magnetic Electron Scattering from ¹³C at Q² = 1 (GeV)²/c²

NUCLEAR REACTIONS ¹³C(e, e), E not given; measured elastic σ upper limit. ¹³C deduced M1 form factor high-q enhancement. Shell model.

doi: 10.1103/PhysRevC.44.1679
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1990BA42      Phys.Rev. C42, 2358 (1990)

H.Baghaei, A.Cichocki, J.B.Flanz, M.Frodyma, B.Frois, Y.Han, R.S.Hicks, J.Martino, R.A.Miskimen, C.N.Papanicolas, G.A.Peterson, S.Platchkov, S.Raman, S.H.Rokni, T.Suzuki

Elastic Magnetic Electron Scattering from ⁴¹Ca

NUCLEAR REACTIONS ⁴¹Ca(e, e), E=145 MeV; measured σ(E, θ); deduced f_7/2 orbital size, magnetic multipole quenching factors. Enriched target, mean-field theory, configuration mixing.

doi: 10.1103/PhysRevC.42.2358
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1989LE11      Phys.Rev. C39, 2356 (1989)

M.J.Leitch, H.W.Baer, R.L.Burman, C.L.Morris, J.N.Knudson, J.R.Comfort, D.H.Wright, R.Gilman, S.H.Rokni, E.Piasetzky, Z.Weinfeld, W.R.Gibbs, W.B.Kaufmann

¹⁴C(π⁺, π^-)¹⁴O Reaction between 19 and 80 MeV

NUCLEAR REACTIONS ¹⁴C(π⁺, π^-)¹⁴O, E=19-80 MeV; measured σ(θ) vs E. ¹⁴O deduced double IAS excitation. DWIA, optical model.

doi: 10.1103/PhysRevC.39.2356
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1989LO12      Phys.Rev. C40, 2710 (1989)

R.A.Loveman, B.L.Clausen, R.J.Peterson, S.H.Rokni, H.W.Baer, A.G.Bergmann, J.D.Bowman, F.Irom, C.J.Seftor, J.Alster, E.Piasetzky, J.N.Knudson, U.Sennhauser

Pion Charge Exchange to the Isovector Giant Dipole State at Energies Above the 3-3 Resonance

NUCLEAR REACTIONS ²⁷Al, ⁶⁰Ni, ⁹⁰Zr, ¹²⁰Sn, ²⁰⁸Pb(π⁺, π⁰), E=300, 425, 500 MeV; measured σ(θ(π), E(π)). ²⁷Si, ⁶⁰Cu, ⁹⁰Nb, ¹²⁰Sb, ²⁰⁸Bi deduced GDR, IAS excitation.

doi: 10.1103/PhysRevC.40.2710
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1988FA05      Phys.Lett. 208B, 361 (1988)

A.Fazely, R.J.Estep, S.J.Greene, F.Irom, L.C.Liu, J.E.Warren, D.L.Watson, K.S.Dhuga, R.W.Garnett, M.Burlein, J.D.Zumbro, S.H.Rokni

Nonanalog 0⁺(g.s.) → 0⁺(g.s.) Transitions in Pion Double Charge Exchange Reactions on ¹²⁸Te and ¹³⁰Te

NUCLEAR REACTIONS ^128,130Te(π⁺, π^-), E=164 MeV; measured missing mass spectra; deduced σ ratio, ββ-decay T_1/2 ratio geochemical interpretation.

doi: 10.1016/0370-2693(88)90629-6
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1988RO03      Phys.Lett. 202B, 35 (1988)

S.H.Rokni, H.W.Baer, A.G.Bergmann, J.D.Bowman, F.Irom, M.J.Leitch, C.J.Seftor, J.Alster, E.Piasetzky, B.L.Clausen, R.A.Loveman, R.J.Peterson, J.L.Ullmann, J.R.Comfort, J.N.Knudson, U.Sennhauser

Isobaric-Analog-State Transitions in Pion Charge-Exchange Reactions above the Δ(1232) Resonance

NUCLEAR REACTIONS ¹⁴C, ⁷Li(π⁺, π⁰), E=300-550 MeV; ²⁷Al, ⁶⁰Ni(π⁺, π⁰), E=300, 425, 500 MeV; ⁹⁰Zr, ¹²⁰Sn, ²⁰⁸Pb(π⁺, π⁰), E=300, 425 MeV; measured σ(θ), σ(θ, E); deduced IAS excitation incident energy dependence.

doi: 10.1016/0370-2693(88)90849-0
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1988WE02      Phys.Rev. C37, 902 (1988)

Z.Weinfeld, E.Piasetzky, H.W.Baer, R.L.Burman, M.J.Leitch, C.L.Morris, D.H.Wright, S.H.Rokni, J.R.Comfort

Low-Energy Pion Double Charge Exchange on Ca Isotopes

NUCLEAR REACTIONS ^42,44Ca(π⁺, π^-), E=35 MeV; measured σ(θ=40°), missing mass spectra; deduced L=0, nozero amplitudes.

doi: 10.1103/PhysRevC.37.902
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1987IR01      Phys.Rev. C36, 1453 (1987)

F.Irom, H.W.Baer, A.G.Bergmann, J.D.Bowman, P.Heusi, D.H.Fitzgerald, C.J.Seftor, M.E.Sadler, J.N.Knudson, W.J.Briscoe, P.W.F.Alons, E.Piasetzky, S.H.Rokni

Mass Dependence of Pion Single-Charge Exchange of the Isobaric Analog State at 20 MeV

NUCLEAR REACTIONS ⁷Li, ¹⁴C, ¹⁵N, ¹²⁰Sn(π⁺, π⁰), E=20 MeV; measured σ(π⁰), σ(θ). ⁷Be, ¹⁴N, ¹⁵O, ¹²⁰Sb deduced IAS excitation σ. Optical model.

doi: 10.1103/PhysRevC.36.1453
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1987KN02      Phys.Rev. C35, 1382 (1987)

J.N.Knudson, J.R.Comfort, R.A.Gianelli, B.G.Ritchie, D.Rothenberger, D.Pocanic, S.S.Hanna, J.D.Bowman, H.W.Baer, A.G.Bergmann, P.A.Heusi, F.Irom, C.J.Seftor, S.Hoibraten, R.A.Loveman, S.H.Rokni, H.Crannell, D.I.Sober, W.J.Fickinger, H.Marshak

Excitation of the Isobaric Analog State of ¹⁶⁵Ho Pion Single-Charge Exchange

NUCLEAR REACTIONS ¹⁶⁵Ho(π⁺, π⁰), E=98, 163.2, 228.3 MeV; measured π⁰ yield, θ=4°-6°. ¹²⁰Sn(π⁺, π⁰), E=98-165 MeV; analyzed data; deduced reaction systematics vs mass. ¹⁶⁵Er deduced IAS excitation σ.

doi: 10.1103/PhysRevC.35.1382
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1986IR02      Phys.Rev. C34, 2231 (1986)

F.Irom, J.D.Bowman, G.O.Bolme, E.Piasetzky, U.Sennhauser, J.Alster, J.Lichtenstadt, M.Moinester, J.N.Knudson, S.H.Rokni, E.R.Siciliano

Excitation of Isovector Giant Resonances in Pion Single-Charge Exchange at 120, 165, and 230 MeV

NUCLEAR REACTIONS ⁴⁰Ca, ⁶⁰Ni, ¹²⁰Sn(π⁺, π⁰), (π^-, π⁰), E=120, 230 MeV; measured σ(θ(π), E(π)). ⁴⁰Ca, ⁶⁰Ni, ¹²⁰Sn deduced monopole, dipole resonance excitation energies, widths, maximum σ. Scintillator activation technique, π⁰ spectrometer. DWIA calculations.

doi: 10.1103/PhysRevC.34.2231
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1986PI09      Radiat.Eff. 96, 41 (1986)

C.Pillai, L.W.Swenson, D.J.Vieira, G.W.Butler, J.M.Wouters, S.H.Rokni, K.Vaziri, L.P.Remsberg

Direct Mass Measurements in the Light Neutron-Rich Region using a Combined Energy and Time-of-Flight Technique

NUCLEAR REACTIONS U(p, X), E=800 MeV; measured fragment mass spectra. ^17,18C, ^19,20N, ^15,21,22O, ^18,23,24F, ^25,26Ne, ^22,27Na; deduced mass excess, deviation. Combined, energy tof techniques.

doi: 10.1080/00337578608211710
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