Nuclear Science References (NSR)

NUCLEAR REACTIONS ²H(γ, nη), (γ, pη), E=bremsstrahlung photons from 1500-MeV electron beam; analyzed data on the helicity dependence of the reaction with a spectator proton taken by the A2 Collaboration at MAMI in Mainz; discussed the existence of a narrow resonance of Jπ=1/2+ at 1685 keV; deduced that no such resonance is needed to obtain an excellent description and fit of the data fit.

doi: 10.1103/PhysRevC.95.035211
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2017AN17 Phys.Rev. C 96, 055202 (2017)

A.V.Anisovich, V.Burkert, N.Compton, K.Hicks, F.J.Klein, E.Klempt, V.A.Nikonov, A.M.Sandorfi, A.V.Sarantsev, U.Thoma

Neutron helicity amplitudes

NUCLEAR REACTIONS ²H(γ, π^-p), (γ, π⁰n), (γ, nη), (γ, K⁰Λ), (γ, K⁺Σ^-), ¹n(polarized γ, π^-p), E=900-2600 MeV; analyzed total σ, differential σ(θ, E), asymmetry data from MAMI and CLAS collaborations; deduced helicity amplitudes for resonances, positive-parity nucleon resonances in the second excitation shell. New Bonn-Gatchina (BnGa) partial wave analysis of photoproduction reactions in deuterons with a spectator proton.

doi: 10.1103/PhysRevC.96.055202
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2017AN19 Eur.Phys.J. A 53, 242 (2017)

A.V.Anisovich, V.Burkert, M.Hadzimehmedovic, D.G.Ireland, E.Klempt, V.A.Nikonov, R.Omerovic, A.V.Sarantsev, J.Stahov, U.Thoma

N^* resonances from KΛ amplitudes in sliced bins in energy

NUCLEAR REACTIONS ¹H(γ, K⁺)Λ, E not given;¹H(π^-, K⁰)Λ, E not given; calculated, analyzed σ(θ), Λ recoil polarization, spin rotation angle using Laurent+Pietarinen model; compared to ANL and RAL data for masses 1630-2130 MeV; deduced nucleon resonances at about 1.9 GeV with J^π=(1/2)⁺, (3/2)⁺, (1/2)^-, (3/2)^-, (5/2)^-.

doi: 10.1140/epja/i2017-12443-x
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2016AN18 Eur.Phys.J. A 52, 284 (2016)

A.V.Anisovich, R.Beck, M.Doring, M.Gottschall, J.Hartmann, V.Kashevarov, E.Klempt, Ulf-G.Meissner, V.Nikonov, M.Ostrick, D.Ronchen, A.Sarantsev, I.Strakovsky, A.Thiel, L.Tiator, U.Thoma, R.Workman, Y.Wunderlich

The impact of new polarization data from Bonn, Mainz and Jefferson Laboratory on γp → πN multipoles

NUCLEAR REACTIONS ¹H(γ, π⁰), (γ, π⁺), E=147-219, 650-2200 MeV; analyzed published σ(θ), beam asymmetry, double polarization data; calculated σ(θ), beam asymmetry, double polarization using PWA (Partial-Wave Analysis) BnGa code, Juelich-Bonn DCC (Dynamical CC) model, MAID and SAID models; deduced photoproduction multipoles, partial waves real, imaginary parts, parameters.

doi: 10.1140/epja/i2016-16284-9
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2015AN08 Eur.Phys.J. A 51, 72 (2015)

A.V.Anisovich, E.Klempt, B.Krusche, V.A.Nikonov, A.V.Sarantsev, U.Thoma, D.Werthmuller

Interference phenomena in the J^P = 1/2^- wave in η photoproduction

NUCLEAR REACTIONS ¹n(γ, n)η, E=1500-1900 MeV;¹H(γ, p)η, E=1500-1900 MeV; measured reaction products; deduced σ, σ(θ), resonance near 1680 MeV, interference pattern of (1/2)^- partial wave; calculated, simulated σ, σ(θ), helicity amplitudes using T- and K-matrices couplings within Bonn-Gatchina CCmodel.

doi: 10.1140/epja/i2015-15072-5
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2014AN07 Eur.Phys.J. A 50, 129 (2014)

A.V.Anisovich, R.Beck, V.Burkert, E.Klempt, M.E.McCracken, V.A.Nikonov, A.V.Sarantsev, R.A.Schumacher, U.Thoma

Energy-independent PWA of the reaction γp → K⁺Λ

doi: 10.1140/epja/i2014-14129-3
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2013AN15 Eur.Phys.J. A 49, 67 (2013)

A.V.Anisovich, V.Burkert, E.Klempt, V.A.Nikonov, A.V.Sarantsev, U.Thoma

Helicity amplitudes for photoexcitation of nucleon resonances off neutrons

doi: 10.1140/epja/i2013-13067-x
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2013AN20 Eur.Phys.J. A 49, 121 (2013)

A.V.Anisovich, R.Beck, E.Klempt, V.A.Nikonov, A.V.Sarantsev, U.Thoma, Y.Wunderlich

Study of ambiguities in π^-p → ΛK⁰ scattering amplitudes

doi: 10.1140/epja/i2013-13121-9
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2013An22 Eur.Phys.J. A 49, 158 (2013)

A.V.Anisovich, E.Klempt, V.A.Nikonov, A.V.Sarantsev, U.Thoma

Sign ambiguity in the KΣ channel

doi: 10.1140/epja/i2013-13158-8
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2012AN02 Eur.Phys.J. A 48, 15 (2012)

A.V.Anisovich, R.Beck, E.Klempt, V.A.Nikonov, A.V.Sarantsev, U.Thoma

Properties of baryon resonances from a multichannel partial wave analysis

doi: 10.1140/epja/i2012-12015-8
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2012AN07 Eur.Phys.J. A 48, 88 (2012)

A.V.Anisovich, R.Beck, E.Klempt, V.A.Nikonov, A.V.Sarantsev, U.Thoma

Pion- and photo-induced transition amplitudes to ΛK, ΣK and Nη

NUCLEAR REACTIONS ¹H(π⁺, K⁺)Σ⁺, E=1700=2200 MeV; calculated σ. Compared with data and other calculations.

doi: 10.1140/epja/i2012-12088-3
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2012KL01 Eur.Phys.J. A 48, 127 (2012)

E.Klempt, B.Ch.Metsch

Multiplet classification of light-quark baryons

doi: 10.1140/epja/i2012-12127-1
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2011AN26 Eur.Phys.J. A 47, 153 (2011)

A.V.Anisovich, E.Klempt, V.A.Nikonov, A.V.Sarantsev, U.Thoma

Nucleon resonances in the fourth-resonance region

doi: 10.1140/epja/i2011-11153-9
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2011AN27 Eur.Phys.J. A 47, 27 (2011)

A.V.Anisovich, E.Klempt, V.A.Nikonov, A.V.Sarantsev, U.Thoma

P -wave excited baryons from pion- and photo-induced hyperon production

doi: 10.1140/epja/i2011-11027-2
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2011SC08 Eur.Phys.J. A 47, 46 (2011)

I.Schulday, R.Lawall, J.Barth, K.-H.Glander, S.Goers, J.Hannappel, N.Jopen, F.Klein, E.Klempt, D.Menze, E.Paul, W.J.Schwille

Study of the reactions γp → K⁺Σ^±π_∓ at photon energies up to 2.6 GeV

NUCLEAR REACTIONS ¹H(γ, Σ⁺π^-), (γ, Σ^-π⁺), E=threshold-2.65 GeV; measured reaction products, decay time distribution; deduced σ. ELSA facility, SAPHIR detector.

doi: 10.1140/epja/i2011-11046-y
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2011WI06 Eur.Phys.J. A 47, 47 (2011);Erratum Eur.Phys.J. A 47, 133 (2011)

F.W.Wieland, J.Barth, K.-H.Glander, J.Hannappel, N.Jopen, F.Klein, E.Klempt, R.Lawall, D.Menze, M.Ostrick, E.Paul, I.Schulday, W.J.Schwille

Study of the reaction γp → K⁺Λ(1520) at photon energies up to 2.65 GeV

NUCLEAR REACTIONS ¹H(γ, K⁺)Λ(1520), E=threshold-2.65 GeV; measured reaction products, invariant mass distribution, decay time distribution. deduced σ, dσ, branching ratios, Σ^-, Σ⁰ T_1/2. ELSA facility, SAPHIR detector.

doi: 10.1140/epja/i2011-11047-x
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2010AN10 Eur.Phys.J. A 44, 203 (2010)

A.V.Anisovich, E.Klempt, V.A.Nikonov, M.A.Matveev, A.V.Sarantsev, U.Thoma

Photoproduction of pions and properties of baryon resonances from a Bonn-Gatchina partial-wave analysis

doi: 10.1140/epja/i2010-10950-x
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2009AN18 Eur.Phys.J. A 41, 13 (2009)

A.V.Anisovich, I.Jaegle, E.Klempt, B.Krusche, V.A.Nikonov, A.V.Sarantsev, U.Thoma

Photoproduction of η -mesons off neutrons from a deuteron target

doi: 10.1140/epja/i2009-10766-9
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2008KL05 Eur.Phys.J. A 38, 187 (2008)

E.Klempt

Δ-resonances: Quark models, chiral symmetry and AdS/QCD

doi: 10.1140/epja/i2008-10656-8
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2008NI05 Phys.Lett. B 662, 245 (2008)

V.A.Nikonov, A.V.Anisovich, E.Klempt, A.V.Sarantsev, U.Thoma

Further evidence for N(1900)P₁₃ from photoproduction of hyperons

doi: 10.1016/j.physletb.2008.03.004
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2007AN31 Eur.Phys.J. A 34, 129 (2007)

A.V.Anisovich, V.V.Anisovich, E.Klempt, V.A.Nikonov, A.V.Sarantsev

Baryon-baryon and baryon-antibaryon interaction amplitudes in the spin-momentum operator expansion method

doi: 10.1140/epja/i2007-10499-9
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2007AN33 Eur.Phys.J. A 34, 243 (2007)

A.V.Anisovich, V.Kleber, E.Klempt, V.A.Nikonov, A.V.Sarantsev, U.Thoma

Baryon resonances and polarization transfer in hyperon photoproduction

doi: 10.1140/epja/i2007-10503-6
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2006KL09 Eur.Phys.J. A 29, 307 (2006)

E.Klempt, A.V.Anisovich, V.A.Nikonov, A.V.Sarantsev, U.Thoma

Phase motion of baryon resonances

doi: 10.1140/epja/i2006-10092-x
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2005AN07 Eur.Phys.J. A 24, 111 (2005)

A.V.Anisovich, E.Klempt, A.V.Sarantsev, U.Thoma

Partial-wave decomposition of pion and photoproduction amplitudes

doi: 10.1140/epja/i2004-10125-6
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2005AN27 Eur.Phys.J. A 25, 427 (2005)

A.V.Anisovich, A.Sarantsev, O.Bartholomy, E.Klempt, V.A.Nikonov, U.Thoma

Photoproduction of baryons decaying into Nπ and Nη

NUCLEAR REACTIONS ¹H(γ, π⁰), (γ, π⁺), (γ, X), E ≈ 1200-2500 MeV; analyzed pion and η-meson production σ(θ), σ, related data; deduced resonance features.

doi: 10.1140/epja/i2005-10120-5
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2005KL04 Phys.Rep. 413, 197 (2005)

E.Klempt, C.Batty, J.-M.Richard

The antinucleon-nucleon interaction at low energy: Annihilation dynamics

doi: 10.1016/j.physrep.2005.03.002
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2005LA12 Eur.Phys.J. A 24, 275 (2005)

R.Lawall, J.Barth, C.Bennhold, K.-H.Glander, S.Goers, J.Hannappel, N.Jopen, F.Klein, E.Klempt, T.Mart, D.Menze, M.Ostrick, E.Paul, I.Schulday, W.J.Schwille, F.W.Wieland, C.Wu

Measurement of the reaction γp → K⁰∑⁺ at photon energies up to 2.6 GeV

NUCLEAR REACTIONS ¹H(γ, Σ⁺K⁰), E=0.9-2.6 GeV; measured σ, σ(θ), polarization. Tagged photons. Comparison with model predictions.

doi: 10.1140/epja/i2005-10002-x
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2005SA53 Eur.Phys.J. A 25, 441 (2005)

A.V.Sarantsev, V.A.Nikonov, A.V.Anisovich, E.Klempt, U.Thoma

Decays of baryon resonances into ΛK⁺, Σ⁰K⁺ and Σ⁺K⁰

NUCLEAR REACTIONS ¹H(γ, K⁰X), (γ, K⁺X), E ≈ 1.6-2.3 GeV; analyzed kaon and hyperon production σ(θ), σ, related data; deduced resonance features.

doi: 10.1140/epja/i2005-10121-4
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2005WU02 Eur.Phys.J. A 23, 317 (2005)

C.Wu, J.Barth, W.Braun, J.Ernst, K.-H.Glander, J.Hannappel, N.Jopen, H.Kalinowsky, F.J.Klein, F.Klein, E.Klempt, R.Lawall, J.Link, D.Menze, W.Neuerburg, M.Ostrick, E.Paul, H.van Pee, I.Schulday, W.J.Schwille, B.Wiegers, F.W.Wieland, J.Wisskirchen

Photoproduction of ρ⁰-mesons and Δ-baryons in the reaction γp → pπ⁺π^- at energies up to √ s = 2.6 GeV

NUCLEAR REACTIONS ¹H(γ, π⁺π^-), E=0.5-2.6 GeV; measured total σ, σ(E, θ); deduced ρ⁰-meson and Δ-baryon contributions. Tagged photons.

doi: 10.1140/epja/i2004-10093-9
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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
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2004GL03 Eur.Phys.J. A 19, 251 (2004)

K.-H.Glander, J.Barth, W.Braun, J.Hannappel, N.Jopen, F.Klein, E.Klempt, R.Lawall, J.Link, D.Menze, W.Neuerburg, M.Ostrick, E.Paul, I.Schulday, W.J.Schwille, H.v.Pee, F.W.Wieland, J.Wisskirchen, C.Wu

Measurement of γp → K⁺Λ and γp → K⁺Σ⁰ at photon energies up to 2.6 GeV

NUCLEAR REACTIONS ¹H(γ, K⁺X), E ≈ 0.8-2.6 GeV; measured hyperon production associated σ(θ), polarization. Tagged photons.

doi: 10.1140/epja/i2003-10119-x
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2003BA41 Eur.Phys.J. A 17, 269 (2003)

J.Barth, W.Braun, J.Ernst, K.-H.Glander, J.Hannappel, N.Jopen, F.J.Klein, F.Klein, H.Kalinowsky, E.Klempt, R.Lawall, J.Link, D.Menze, W.Neuerburg, M.Ostrick, E.Paul, H.van Pee, I.Schulday, W.J.Schwille, B.Wiegers, F.W.Wieland, J.Wisskirchen, C.Wu

Low-energy photoproduction of Φ-mesons

NUCLEAR REACTIONS ¹H(γ, X), E=threshold-2.4 GeV; measured Φ meson production σ(θ), σ; deduced non-diffractive contributions.

doi: 10.1140/epja/i2002-10154-1
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2003BA89 Eur.Phys.J. A 18, 117 (2003)

J.Barth, W.Braun, J.Ernst, K.-H.Glander, J.Hannappel, N.Jopen, H.Kalinowsky, F.J.Klein, F.Klein, E.Klempt, R.Lawall, J.Link, D.Menze, W.Neuerburg, M.Ostrick, E.Paul, H.van Pee, I.Schulday, W.J.Schwille, B.Wiegers, F.W.Wieland, J.Wisskirchen, C.Wu

Low-energy photoproduction of ω-mesons

NUCLEAR REACTIONS ¹H(γ, X), E < 2.4 GeV; measured ω-meson production σ, σ(E, θ); deduced resonance features.

doi: 10.1140/epja/i2003-10061-y
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2002CH58 Eur.Phys.J. A 15, 539 (2002)

S.U.Chung, E.Klempt, J.G.Korner

SU(3) classification of p-wave ηπ and η'π systems

doi: 10.1140/epja/i2002-10058-0
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2002KL13 Phys.Rep. 368, 119 (2002)

E.Klempt, F.Bradamante, A.Martin, J-M.Richard

Antinucleon-Nucleon Interaction at Low Energy: Scattering and protonium

doi: 10.1016/S0370-1573(02)00144-8
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2002KL16 Phys.Rev. C 66, 058201 (2002)

E.Klempt

Mass formula for baryon resonances

doi: 10.1103/PhysRevC.66.058201
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2001BA92 Nucl.Phys. A691, 374c (2001)

J.Barth, C.Bennhold, W.Braun, J.Ernst, K.H.Glander, S.Goers, J.Hannappel, N.Jopen, H.Kalinowsky, F.Klein, E.Klempt, A.Kozela, R.Lawall, J.Link, T.Mart, D.Menze, W.Neuerburg, M.Ostrick, E.Paul, H.van Pee, I.Schulday, W.-J.Schwille, J.Smyrski, U.Thoma, R.Wedemeyer, B.Wiegers, F.W.Wieland, J.Wisskirchen

New Results on η and η' Photoproduction with SAPHIR at ELSA

NUCLEAR REACTIONS ¹H(γ, X), E=0.7-2.6 GeV; measured η and η' meson production σ, σ(θ).

doi: 10.1016/S0375-9474(01)01059-4
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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
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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
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1998BE59 Nucl.Phys. A639, 209c (1998)

C.Bennhold, S.Goers, J.Barth, W.Braun, R.Burgwinkel, J.Ernst, K.H.Glander, J.Hannappel, N.Jopen, H.Kalinowsky, U.Kirch, F.Klein, F.J.Klein, E.Klempt, A.Kozela, R.Lawall, Z.Li, J.Link, T.Mart, D.Menze, W.Neuerburg, M.Paganetti, E.Paul, H.van Pee, R.Plotzke, M.Schumacher, W.J.Schwille, F.Smend, J.Smyrski, H.-N.Tran, M.Q.Tran, F.Wehnes, B.Wiegers, F.W.Wieland, J.Wisskirchen

K⁰-Σ⁺ Photoproduction with SAPHIR

NUCLEAR REACTIONS ¹H(γ, K⁰), E=1.0-1.6 GeV; measured hyperon production σ(θ), σ. Model comparisons.

doi: 10.1016/S0375-9474(98)00275-9
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1998ER03 Nucl.Phys. A639, 213c (1998)

J.Ernst, H.Jungst, H.Kalinowsky, E.Klempt, J.Link, H.van Pee, R.Plotzke, J.Barth, W.Braun, R.Burgwinkel, K.H.Glander, S.Goers, J.Hannappel, N.Jopen, U.Kirch, F.Klein, F.-J.Klein, R.Lawall, D.Menze, W.Neuerburg, M.Paganetti, E.Paul, W.-J.Schwille, M.Q.Tran, F.Wehnes, B.Wiegers, F.W.Wieland, J.Wisskirchen, M.Schumacher, F.Smend, H.-N.Tran, A.Kozela, J.Smyrski, C.Bennhold

First Results of η' Photoproduction with SAPHIR

NUCLEAR REACTIONS ¹H(γ, X), E=1.5-2.5 GeV; measured preliminary η' production σ.

doi: 10.1016/S0375-9474(98)00276-0
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1998KL02 Nucl.Phys. A629, 131c (1998)

E.Klempt

The Scalar Meson Nonet and the Glueball Ground State

doi: 10.1016/S0375-9474(97)00676-3
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1998KL23 Acta Phys.Pol. B29, 3367 (1998)

E.Klempt

The Status of Scalar Mesons: Evidence for glueballs

1998PL02 Phys.Lett. 444B, 555 (1998)

R.Plotzke, J.Barth, W.Braun, R.Burgwinkel, J.Ernst, K.H.Glander, S.Goers, J.Hannappel, N.Jopen, H.G.Jungst, H.Kalinowsky, U.Kirch, F.Klein, F.-J.Klein, E.Klempt, A.Kozela, R.Lawall, J.Link, D.Menze, W.Neuerburg, M.Ostrick, M.Paganetti, E.Paul, H.van Pee, I.Schulday, W.J.Schwille, J.Smyrski, U.Thoma, L.Tiator, M.Q.Tran, F.Wehnes, B.Wiegers, F.W.Wieland, J.Wisskirchen

Photoproduction of η'-Mesons with the 4π-Detector SAPHIR

NUCLEAR REACTIONS ¹H(γ, X), E=0.9-2.6 GeV; measured η' production σ(θ), σ; deduced resonance contributions. Tagged photons, 4π detector.

doi: 10.1016/S0370-2693(98)01444-0
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1998TR06 Phys.Lett. 445B, 20 (1998)

M.Q.Tran, J.Barth, C.Bennhold, M.Bockhorst, W.Braun, A.Budzanowski, G.Burbach, R.Burgwinkel, J.Ernst, K.H.Glander, S.Goers, B.Guse, K.-M.Haas, J.Hannappel, K.Heinloth, K.Honscheid, T.Jahnen, N.Jopen, H.Jungst, H.Kalinowsky, U.Kirch, F.J.Klein, F.Klein, E.Klempt, D.Kostrewa, A.Kozela, R.Lawall, L.Lindemann, J.Link, J.Manns, T.Mart, D.Menze, H.Merkel, R.Merkel, W.Neuerburg, M.Paganetti, E.Paul, R.Plotzke, U.Schenk, J.Scholmann, I.Schulday, M.Schumacher, P.Schutz, W.J.Schwille, F.Smend, J.Smyrski, W.Speth, H.N.Tran, H.van Pee, W.Vogel, R.Wedemeyer, F.Wehnes, B.Wiegers, F.W.Wieland, J.Wisskirchen, A.Wolf, and the SAPHIR Collaboration

Measurement of γp → K⁺ Λ and γp → K⁺Σ⁰ at Photon Energies up to 2 GeV

NUCLEAR REACTIONS ¹H(γ, K⁺X), E=0.8-2 GeV; measured Λ, Σ⁰ hyperon production σ(θ), σ, polarizations. Tagged photons.

doi: 10.1016/S0370-2693(98)01393-8
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1996AN03 Z.Phys. A354, 197 (1996)

A.V.Anisovich, E.Klempt

φπ Production in (p-abr)p Annihilation from S and P States in the J/ψ Decays

NUCLEAR REACTIONS ¹H(p-bar, X), E not given; analyzed φπ production related features, other meson production features following (p-bar)p annihilation; deduced need for more data to determine φ production mechanism.

doi: 10.1007/s002180050032
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1996KL01 Z.Phys. A354, 67 (1996)

E.Klempt, J.G.Korner, F.Walter

Antiproton-Proton Annihilation into Two Mesons: SU(3) coupling schemes for quark line rule, s-channel dominance and baryon exchange

doi: 10.1007/s002180050014
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1994KL07 Yad.Fiz. 57, No 9, 1638 (1994); Phys.Atomic Nuclei 57, 1565 (1994)

E.Klempt

Antiproton-Proton Annihilation at Rest

NUCLEAR REACTIONS ¹H(p-bar, X), E at rest; calculated annihilation branching ratios; deduced dynamical selection rules, rearrangement roles.

1993KL05 Acta Phys.Pol. B24, 1813 (1993)

E.Klempt

Production of (Eta) and (Eta') Mesons in (p-bar)p Annihilation at Rest

NUCLEAR REACTIONS ¹H(p-bar, X), E at rest; compiled, reviewed multiple photon, pion, eta production data.

1990KL01 Nucl.Phys. A508, 317c (1990)

E.Klempt

Evidence for a Multiquark State in p(bar)p Annihilation at Rest

NUCLEAR REACTIONS ¹H(p-bar, xπ), E at rest; measured two-pion invariant spectra, x=3; deduced isoscalar tensor meson properties.

doi: 10.1016/0375-9474(90)90491-4
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1990RE14 Phys.Lett. 248B, 250 (1990)

G.Reifenrother, E.Klempt

The Atomic Cascade of Kaonic and Pionic Hydrogen

NUCLEAR REACTIONS ¹H(K^-, X), (π^-, X), E not given; calculated I(X-ray) vs hydrogen density.

ATOMIC PHYSICS, Mesic-Atoms ¹H(K^-, X), (π^-, X), E not given; calculated I(X-ray) vs hydrogen density.

doi: 10.1016/0370-2693(90)90286-F
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1989RE09 Nucl.Phys. A503, 885 (1989)

G.Reifenrother, E.Klempt

Antiprotonic Hydrogen: From atomic capture to annihilation

ATOMIC PHYSICS ¹H; calculated anti-protonic I(X-ray), Stark mixing, external Auger rates.

doi: 10.1016/0375-9474(89)90445-4
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1989RI05 Phys.Rev. C40, 2717 (1989)

J.Riedlberger, C.Amsler, M.Doser, U.Straumann, P.Truol, D.Bailey, S.Barlag, U.Gastaldi, R.Landua, C.Sabev, K.D.Duch, M.Heel, H.Kalinowsky, F.Kayser, E.Klempt, B.May, O.Schreiber, P.Weidenauer, M.Ziegler, W.Dahme, F.Feld-Dahme, U.Schaefer, W.R.Wodrich, S.Ahmad, J.C.Bizot, B.Delcourt, J.Jeanjean, H.Nguyen, N.Prevot, E.G.Auld, D.A.Axen, K.L.Erdman, B.Howard, R.Howard, B.L.White, M.Comyn, G.Beer, G.M.Marshall, L.P.Robertson, M.Botlo, C.Laa, H.Vonach

Antiproton Annihilation at Rest in Nitrogen and Deuterium Gas

NUCLEAR REACTIONS ²H, ¹⁴N(p-bar, X), E at rest; measured inclusive proton, pion, hyperon spectra, yields, multiplicities.

doi: 10.1103/PhysRevC.40.2717
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1989SC12 Nucl.Phys. A495, 451 (1989)

U.Schaefer, S.Ahmad, C.Amsler, R.Armenteros, E.G.Auld, D.Axen, D.Bailey, S.Barlag, G.Beer, J.C.Bizot, M.Botlo, J.Butler, M.Comyn, W.Dahme, B.Delcourt, M.Doser, K.D.Duch, K.Erdman, F.Feld-Dahme, U.Gastaldi, M.Heel, B.Howard, R.Howard, J.Jeanjean, H.Kalinowsky, F.Kayser, E.Klempt, C.Laa, R.Landua, B.May, G.Marshall, H.Nguyen, N.Prevot, G.Reifenrother, J.Reifenrother, J.Riedlberger, L.Robertson, C.Sabev, O.Schreiber, U.Straumann, P.Truoel, H.Vonach, P.Weidenauer, B.L.White, R.W.Wodrich, M.Ziegler, C.Zupancic

X-Rays from Proton-Antiprton Annihilation into Charged Final States

ATOMIC PHYSICS ¹H(p-bar, X), E at rest; measured annihilation X-ray spectrum.

doi: 10.1016/0375-9474(89)90354-0
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1988DO14 Nucl.Phys. A486, 493 (1988)

M.Doser, M.Botlo, S.Ahmad, C.Amsler, R.Armenteros, E.G.Auld, D.A.Axen, D.Bailey, S.Barlag, G.A.Beer, J.C.Bizot, J.Butler, M.Comyn, W.Dahme, B.Delcourt, K.D.Duch, K.L.Erdman, F.Feld-Dahme, U.Gastaldi, M.Heel, B.Howard, R.Howard, J.Jeanjean, H.Kalinowsky, F.Kayser, E.Klempt, C.Laa, R.Landua, G.M.Marshall, B.May, H.Nguyen, N.Prevot, J.Riedlberger, L.P.Robertson, C.Sabev, U.Schaefer, O.Schreiber, U.Straumann, P.Truol, H.Vonach, B.L.White, R.W.Wodrich, M.Ziegler

(p-bar)p Annihilation into π⁺π^- and K⁺K^- from Atomic p States

NUCLEAR REACTIONS ¹H(p-bar, π⁺π^-), (p-bar, K⁺K^-), E at rest; measured branching ratio from atomic P states; deduced (π⁺π^-), (K⁺K^-) branching ratios from atomic P, S states.

doi: 10.1016/0375-9474(88)90159-5
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1987RE07 Phys.Lett. 191B, 15 (1987)

G.Reifenrother, E.Klempt, R.Landua

Cascade of Muonic Helium Atoms

ATOMIC PHYSICS, Mesic-Atoms He; calculated muonic X-ray intensities, 2s level population, T_1/2.

doi: 10.1016/0370-2693(87)91313-X
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1985AH03 Phys.Lett. 157B, 333 (1985)

S.Ahmad, C.Amsler, R.Armenteros, E.G.Auld, D.Axen, D.Bailey, S.Barlag, G.A.Beer, J.C.Bizot, M.Caria, M.Comyn, W.Dahme, B.Delcourt, M.Doser, K.D.Duch, K.L.Erdman, F.Feld-Dahme, U.Gastaldi, M.Heel, B.Howard, R.Howard, J.Jeanjean, H.Kalinowsky, F.Kayser, E.Klempt, R.Landua, G.Marshall, H.Nguyen, N.Prevot, L.Robertson, C.Sabev, U.Schaefer, R.Schneider, O.Schreiber, U.Straumann, P.Truoel, B.White, W.R.Wodrich, M.Ziegler, and the ASTERIX Collaboration

First Observation of K X-Rays from (p-bar)p Atoms

ATOMIC PHYSICS ¹H(p-bar, X), E at rest; measured E(K X-ray), I(K X-ray), E(L X-ray), I(l X-ray); deduced total K X-ray yield, antiprotonic atom strong interaction shift.

doi: 10.1016/0370-2693(85)90676-8
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1982WO04 Nucl.Phys. A384, 386 (1982)

R.W.Wodrich, E.G.Auld, J.M.Bailey, G.A.Beer, B.Dreher, U.Gastaldi, H.Kalinowsky, E.Klempt, R.Landua, K.Merle, K.Neubecker, Chr.Sabev, R.D.Wendling, B.L.White

X-Rays from Antiprotonic Helium in Helium Gas

ATOMIC PHYSICS He; measured antiprotonic X-rays; deduced strong interaction effects. Atomic cascade calculations.

doi: 10.1016/0375-9474(82)90342-6
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1978GA10 Z.Phys. A287, 1 (1978)

G.Gartner, E.Klempt

A Direct Determination of the Proton-Electron Mass Ratio

ATOMIC MASSES ¹H; measured cyclotron resonance of protons, electrons in magnetic field; deduced proton/electron mass ratio.

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