Torleif Eric Oskar Ericson

Draft Minutes of an informal meeting to discuss the 300 GeV Synchrotron, Intersecting Storage Ring and other CERN long range projects (2007)

Peyrou, Charles, Armenteros, Rafael, Butler, Clifford Charles, Cocconi, Giuseppe, Diddens, Albert Nomdo, Ericson, Torleif Eric Oskar, ...

Present and Future of intermediate energy physics (2006)

Ericson, Torleif Eric Oskar

Antiprotons and antigravity (2006)

Ericson, Torleif Eric Oskar

Summary talk at the 6th International conference on High Energy Physics and Nuclear structure (2006)

Ericson, Torleif Eric Oskar

Polarizabilities of nuclei and elementary particles (2006)

Ericson, Torleif Eric Oskar

Dynamics of hadronic atoms (2006)

Ericson, Torleif Eric Oskar

Selected topics in pion-nucleus interactions (2006)

Ericson, Torleif Eric Oskar

Fermi motion in pion deuteron scattering at high energies (2006)

Fäldt, G, Ericson, Torleif Eric Oskar

The bound state solution of wave equations for real or complex eigenvalues (2006)

Krell, M, Ericson, Torleif Eric Oskar

Predictions of forward dispersion relations in $\Pi^{\pm}, ^{4}He$, and $\Pi^{\pm}$, $^{12}C$ elastic scattering (2006)

Ericson, Torleif Eric Oskar, Formánek, J, Locher, M P

Multiple scattering applied to elastic pion interactions (2006)

Ericson, Torleif Eric Oskar

Interaction of \pi$ mesons with nuclei (2006)

Ericson, Torleif Eric Oskar

Fluctuations of nuclear cross sections in the "continuum" region (2006)

Ericson, Torleif Eric Oskar, Prentki, Jacques

Pion interactions with nuclei (2006)

Ericson, Torleif Eric Oskar

Recent developments in nuclear physics (2006)

Ericson, Torleif Eric Oskar

Theoretical discussion of direct interactions and compound nucleus from the point of view of time delay (2006)

Ericson, Torleif Eric Oskar

Pion capture and nuclear structure (2006)

Ericson, Torleif Eric Oskar

Recent developemts in $\mu$ capture (2006)

Ericson, Torleif Eric Oskar

Electromagnetic corrections to scattering lenghts from hydrogenic atoms applied to the $\pi^{-}$ p system (2005)

Ericson, Torleif Eric Oskar, Loiseau, B, Wycech, S

Low-frequency photon scattering by nuclei (2005)

Ericson, Torleif Eric Oskar, Hüfner, J

The low-frequency limit of elastic photon scattering by nuclei of spin zero is studied. The energy independent cross section (Thomson scattering) and the term quadratic in the frequency (Rayleigh...

The absorptive line shape of hadronic atoms (2005)

Ericson, Torleif Eric Oskar, Hambro, L

The exact line shape for all energies is derived analytically in the limit of negligible nuclear dimensions. The shape deviates from the Breit-Wigner form. The high-energy tail of the line has a...

Theory of polarization shifts in exotic atoms (2005)

Ericson, Torleif Eric Oskar, Hüfner, J

The level shifts caused by the electromagnetic polarizability of the nucleus (N) and the orbiting particle (H) are investigated in detail. The static E1 polarizability strongly dominates in levels...

Can polarizabilities of nuclei and elementary particles be determined from exotic atoms? (2005)

Ericson, Torleif Eric Oskar

The nuclear and hadronic responses to the electromagnetic fields in exotic atoms causes an energy shift proportional to a sum of nuclear and hadron polarizabilities. The shifts are shown to be within...

Neutron polarizability and the n-e scattering length (2005)

Bernabeu, J, Ericson, Torleif Eric Oskar

It is shown that the neutron polarizability contribution to the n-e scattering length is within the present level of precision. The experimental result on this interaction is consistent with a value...

Exotic atoms (2005)

Ericson, Torleif Eric Oskar

Any negatively charged particle in the Coulomb field of a nucleus forms a Bohr atom. The atom size is inversely proportional to the mass of the particle while the energy is proportional to its mass....

Intrinsic magnetic polarizability contribution to the susceptibility of dense neutron matter (2005)

Bernabeu, J, Ericson, Torleif Eric Oskar, Ferro-Fontan, C

It is shown that, apart from the neutron interaction contribution to the susceptibility of neutron stars, there is an additional contribution coming from the magnetic polarizability beta /sub n/ of...

An anomaly in the reaction n+p to D+2 gamma (2005)

Blomqvist, J, Ericson, Torleif Eric Oskar

Analyzes the recently observed doubly radiative n-p capture. It is shown that the experimental result is impossible to explain within the present theoretical framework. (11 refs).

Isospin Violation in Threshold Pion-Nucleon Scattering (2005)

Ericson, Torleif Eric Oskar

We discuss the electromagnetic corrections to the pion-nucleon scattering lengths generated by minimal e. m. coupling from a knowledge of the low energy expansion of the pion-nucleon elastic...

Isospin Violation in Threshold Pion-Nucleon Scattering (2005)

Ericson, Torleif Eric Oskar

We discuss the electromagnetic corrections to the pion-nucleon scattering lengths generated by minimal e. m. coupling from a knowledge of the low energy expansion of the pion-nucleon elastic...

Isospin breaking in pion-nucleon scattering at threshold by radiative processes (2005)

Ericson, Torleif Eric Oskar, Ivanov, A N

We investigate the dispersive contribution by radiative processes such as (pi- proton to neutron gamma) and (pi- proton to Delta gamma) to the pion-nucleon scattering lengths of charged pions in the...

Isospin breaking in pion-nucleon scattering at threshold by radiative processes (2005)

Ericson, Torleif Eric Oskar, Ivanov, A N

We investigate the dispersive contribution by radiative processes such as (pi- proton to neutron gamma) and (pi- proton to Delta gamma) to the pion-nucleon scattering lengths of charged pions in the...

A phenomenological determination of the pion-nucleon scattering lengths from pionic hydrogen (2004)

Ericson, Torleif Eric Oskar, Loiseau, B, Wycech, S

A model independent expression for the electromagnetic corrections to a phenomenological hadronic pion-nucleon scattering length, extracted from pionic hydrogen, is obtained. In a non-relativistic...

An anomaly in the reaction ? (2004)

Blomqvist, J M, Ericson, Torleif Eric Oskar

Evidence against the existence of a low mass scalar boson from neutron-nucleus scattering (2004)

Barbieri, Riccardo, Ericson, Torleif Eric Oskar

Rare electromagnetic decays of pionic atoms (2004)

Ericson, Torleif Eric Oskar, Wilkin, C

Dielectric constants and magnetic susceptibilities of nuclei and particles (2004)

Ericson, Torleif Eric Oskar

Doubly radiative np capture: a precision evaluation (2004)

Blomqvist, J M, Ericson, Torleif Eric Oskar

Low energy $\overline{N}N$ interactions (2004)

Ericson, Torleif Eric Oskar

Polarization break-up of antideuterons in the nuclear Coulomb field (2004)

Ericson, Torleif Eric Oskar, Osland, P

Determination of the negatively charged pion-proton scattering length from pionic hydrogen (2003)

Ericson, Torleif Eric Oskar, Loiseau, B, Wycech, S

We derive a closed, model independent, expression for the electromagnetic correction factor to the hadronic scattering length extracted from a hydrogenic atom with an extended charge and in the limit...

Electromagnetic corrections to $\pi ^{-}$p scattering length from pionic hydrogen (2002)

Ericson, Torleif Eric Oskar, Loiseau, B, Wycech, S

We derive a closed, model space independent, expression for the electromagnetic correction factor $\delta $ to the scattering length $a$ extracted from a hydrogenic atom with an extended charge to...

Determination of the pion-nucleon coupling constant and scattering lengths (2000)

Ericson, Torleif Eric Oskar, Loiseau, B, Thomas, A W

We critically evaluate the isovector GMO sum rule for forward pion-nucleon scattering using the recent precision measurements of negatively charged pion-proton and pion-deuteron scattering lengths...

The Axial Current In Extended Systems (2000)

Ericson, Torleif Eric Oskar, Bernabeu, J

Muon Capture At Large Energy Transfer (2000)

Bernabeu, J, Ericson, Torleif Eric Oskar, Jarlskog, C

The nucleon electromagnetic polarizabilities (2000)

Bernabeu, J, Ericson, Torleif Eric Oskar, Ferro-Fontan, C

Zero-energy $\pi^{-}-D$ scattering: precise determination of the $\pi N$ scattering lengths and of the charged $\pi NN$ coupling constant (2000)

Loiseau, B, Ericson, Torleif Eric Oskar, Thomas, A W

The GMO sumrule and the $\pi NN$ coupling constant (2000)

Ericson, Torleif Eric Oskar, Loiseau, B, Thomas, A W

How precisely can the difference method determine the $\pi$NN coupling constant? (2000)

Loiseau, B, Ericson, Torleif Eric Oskar

The Coulomb-like backward peak of the neutron-proton scattering differentialcross section is due to one-pion exchange. Extrapolation to the pion pole ofprecise data should allow to obtain the value...

How Precisely can we Determine the $\piNN$ Coupling Constant from the Isovector GMO Sum Rule? (2000)

Loiseau, B, Ericson, Torleif Eric Oskar, Thomas, A W

The isovector GMO sum rule for zero energy forward pion-nucleon scattering iscritically studied to obtain the charged pion-nucleon coupling constant usingthe precise negatively charged pion-proton...

Precision determination of the $\pi N$ scattering lengths and the charged $\pi NN$ coupling constant (1999)

Ericson, Torleif Eric Oskar, Loiseau, B, Thomas, A W

We critically evaluate the isovector GMO sumrule for the charged $\pi N N$ coupling constant using recent precision data from $\pi ^-$p and $\pi^-$d atoms and with careful attention to systematic...

Precise strength of the $\pi$NN coupling constant (1998)

Ericson, Torleif Eric Oskar, Loiseau, B, Rahm, J, Blomgren, J, Olsson, N, Thomas, A W

We report here a preliminary value for the piNN coupling constant deduced from the GMO sumrule for forward piN scattering. As in our previous determination from np backward differential scattering...

Pion scattering by nuclei in the region of the (3,3) resonance (1998)

Ericson, Torleif Eric Oskar, Hüfner, J

The $\pi N N $ coupling constant from np charge exchange scattering (1998)

Loiseau, B, Olsson, N, Blomgren, J, Rahm, J, Ericson, Torleif Eric Oskar

A novel extrapolation method has been used to deduce the charged Pion-Nucleon coupling constant from backward $np$ differential scattering cross sections. We applied it to new measurements performed...

The $\pi N N $ coupling constant from np charge exchange scattering (1998)

Loiseau, B, Ericson, Torleif Eric Oskar, Rahm, J, Blomgren, J, Olsson, N

A novel extrapolation method has been used to deduce the charged Pion-Nucleon coupling constant from backward $np$ differential scattering cross sections. We applied it to new measurements performed...

Theoretical developments in the field of $\pi$ mesic atoms (1998)

Ericson, Torleif Eric Oskar

$\K ^{-} $ nuclear interactions and yields of kaonic x-rays (1998)

Ericson, Torleif Eric Oskar, Scheck, F

Energy levels and wave functions of pionic atoms (1998)

Krell, M, Ericson, Torleif Eric Oskar

Pion-nuclear forward dispersion relations (1998)

Ericson, Torleif Eric Oskar, Formánek, J, Locher, M P

Nucleon-nucleus forward dispersion relations (1998)

Ericson, Torleif Eric Oskar, Locher, M P

Fluctuations in nuclear reactions (1998)

Ericson, Torleif Eric Oskar, Mayer-Kuckuk, T

Nuclear enhancement of T violation effects (1998)

Ericson, Torleif Eric Oskar

Radiative $\pi^{-}$ capture in nuclei (1998)

Delorme, J, Ericson, Torleif Eric Oskar

Optical properties of low-energy pions in nuclei (1998)

Ericson, M, Ericson, Torleif Eric Oskar

Six-fermion weak interactions (1998)

Ericson, Torleif Eric Oskar, Sheppey, G C, Glashow, Sheldon Lee

On probability distributions of nuclear cross-sections (1998)

Ericson, Torleif Eric Oskar

A theory of fluctuations in nuclear cross-sections (1998)

Ericson, Torleif Eric Oskar

The compound nucleus and the random phase approximation (1998)

Ericson, Torleif Eric Oskar

Low momentum transfer reactions in complex nuclei at high energy (1998)

Ericson, Torleif Eric Oskar, Selleri, Franco, Van De Walle, R T

A new technique in the statistical model of particle production (1998)

Ericson, Torleif Eric Oskar

Comments on the $\pi$NN coupling constant determined from the NN sector (1997)

Ericson, Torleif Eric Oskar, Loiseau, B, Blomgren, J, Olsson, N

Comments on the $\pi$NN coupling constant determined from the NN sector (1997)

Ericson, Torleif Eric Oskar, Loiseau, B, Blomgren, J, Olsson, N

Systematic effects in the determination of the $\pi$NN Coupling from $\overline{p}p \to \overline{n}n$ differential cross section (1996)

Ericson, Torleif Eric Oskar, Loiseau, B

We show that the $\pi NN$ coupling constant extracted model-independently from $\bar pp$ charge exchange is subject to a systematic correction, and, more importantly, that the strong absorption in...

Fluctuation phenomena and statistical reactions (1996)

Ericson, Torleif Eric Oskar

Possible information on strong interactions from simple spallation reactions (1996)

Ericson, Torleif Eric Oskar

A detector for the induced pseudoscalar coupling constant (1996)

Ericson, Torleif Eric Oskar, Sens, Johannes C, Rood, H P C

International Conference on High-energy Physics and Nuclear Structure (1995)

Ericson, Torleif Eric Oskar

The $\pi$NN coupling from high precision np charge exchange data (1995)

Ericson, Torleif Eric Oskar, Loiseau, B, Nilsson, J S, Olsson, N

Differential np cross sections for unpolarized neutrons of 162 MeV have been measured to high precision with particular attention to the absolute normalization. These data can be extrapolated...

Pion and neutron production by cosmic-ray muons underground (1995)

Delorme, J, Ericson, M, Ericson, Torleif Eric Oskar, Vogel, P

The production of positive pions and neutrons by cosmic muons at underground sites of various depths is investigated. We first test the equivalent photon method in the particular case of \Delta...

International Conference on Theoretical Aspects of Very High-energy Phenomena (1995)

Bell, John Stewart, Cerulus, Frans Armand, Ericson, Torleif Eric Oskar, Nilsson, Jan S, Rollnik, Horst

The $\pi$NN coupling from high precision np charge exchange at 162 MeV (1995)

Ericson, Torleif Eric Oskar, Loiseau, B, Nilsson, J S, Olsson, N, Blomgren, J, Condé, H, ...

The $\pi$NN coupling from high precision np charge exchange (1995)

Ericson, Torleif Eric Oskar, Loiseau, B, Nilsson, J S, Olsson, N

Physics with beams of virtual pions (1994)

Ericson, Torleif Eric Oskar

High energy Gamow-Teller strength in double $\beta$ decay (1994)

Ericson, M, Ericson, Torleif Eric Oskar, Vogel, P

Anomalous chiral effects in media (1993)

Ericson, Torleif Eric Oskar

Meson-nucleon physics and the structure of the nucleon: some views and remarks (1993)

Ericson, Torleif Eric Oskar

38th International School of Physics "Enrico Fermi" : Interaction of high-energy particles with nuclei (1993)

Ericson, Torleif Eric Oskar

Strength of pion exchange in hadronic molecules (1993)

Ericson, Torleif Eric Oskar, Karl, G

The physics of unphysical pions (1993)

Ericson, Torleif Eric Oskar

Effects of the axial isoscalar neutral current for solar neutrino detection (1993)

Bernabeu, J, Ericson, Torleif Eric Oskar, Hernández, E, Ros, J

Particle production near threshold (1992)

Ericson, Torleif Eric Oskar

Axial strangeness current effects in solar neutrino detection (1992)

Bernabeu, J, Ericson, Torleif Eric Oskar, Hernández, E, Ros, J

The birth of intermediate-energy physics (1992)

Ericson, Torleif Eric Oskar

The $\pi$NN coupling constant (1992)

Ericson, Torleif Eric Oskar

Isoscalar axial neutral-current effects in solar neutrino detection (1992)

Bernabeu, J, Ericson, Torleif Eric Oskar, Hernández, E, Ros, J

Mesons in nuclear physics (1992)

Ericson, Torleif Eric Oskar

To condense or not to condense? that is the question (1992)

Delorme, J, Ericson, M, Ericson, Torleif Eric Oskar

Parity violations by neutral currents in muonic atoms (1992)

Bernabeu, J, Ericson, Torleif Eric Oskar, Jarlskog, C

Pion-nuclear interactions at the SC and beyond (1991)

Ericson, Torleif Eric Oskar

Low energy pion-nucleon scattering and the nucleon sigma term (1991)

Ericson, Torleif Eric Oskar

Conclusion of SIW'90 (1990)

Ericson, Torleif Eric Oskar

The pion-nucleon sigma-term and its physical interpretation (1990)

Ericson, Torleif Eric Oskar

A new interpretation of the pi.N sigma term (1990)

Ericson, Torleif Eric Oskar

Energy dependent nuclear phenomena (1990)

Ericson, Torleif Eric Oskar

Charge dependence of nuclear forces (1990)

Ericson, Torleif Eric Oskar, Miller, G A

The deuteron properties (1990)

Ericson, Torleif Eric Oskar

Nuclear low energy tests of OPEP (1990)

Ericson, Torleif Eric Oskar

D-state admixture and tensor forces in light nuclei (1990)

Ericson, Torleif Eric Oskar, Rosa-Clot, M

Conclusions of the conference (1990)

Ericson, Torleif Eric Oskar

Limits on the scaling of nucleon magnetic moments in nuclei (1990)

Ericson, Torleif Eric Oskar, Richter, A

Comment on "Charge dependence of the nucleon-nucleon interaction due to the pion-mass difference" (1990)

Ericson, Torleif Eric Oskar, Miller, G A

Pion effects on nuclear magnetic moment and transitions (1990)

Ericson, Torleif Eric Oskar

Axion emission from SN 1987A: nuclear physics constraints (1990)

Ericson, Torleif Eric Oskar, Mathiot, J F

Nuclear pion physics: an overview (1990)

Ericson, Torleif Eric Oskar

Testing antigravity effects (1990)

Ericson, Torleif Eric Oskar, Richter, A

Nuclear pion physics (1990)

Ericson, Torleif Eric Oskar

Empirical limits to antigravity (1990)

Ericson, Torleif Eric Oskar, Richter, A

Pions in nuclei (1990)

Ericson, Torleif Eric Oskar

Comment on deuteron properties and nucleon-nucleon interaction (1990)

Ericson, Torleif Eric Oskar, Rosa-Clot, M

How accurately can the deuteron radius be determined? (1990)

Ericson, Torleif Eric Oskar, Mahalanabis, J

A comparison of pi.DELTA interaction mechanism with the double charge exchange experimental data on self-conjugate nuclei (1990)

Ching, C R, Ericson, Torleif Eric Oskar, Ho, T H, Zhao, W A

On experimental tests of D-states in the $^{3}$He-$^{3}$H ground state (1990)

Ericson, Torleif Eric Oskar, Lo-Iudice, N

Introductory remarks (1990)

Ericson, Torleif Eric Oskar

Quantitative tests of pion physics in simple nuclear systems (1990)

Ericson, Torleif Eric Oskar

Frontiers in nuclear physics (1990)

Ericson, Torleif Eric Oskar

Pion bound states in nuclei (1990)

Ericson, Torleif Eric Oskar, Myhrer, F

Theory of doubly radiative pi capture in nuclei (1990)

Christillin, P, Ericson, Torleif Eric Oskar

Novel topics in pi nuclear physics (1990)

Ericson, Torleif Eric Oskar

Binding effects in coherent pi$^{0}$ photoproduction on deuterium (1990)

Fäldt, Göran, Ericson, Torleif Eric Oskar

Summary Talk (1990)

Ericson, Torleif Eric Oskar

A model independent description of the deuteron asymptotic D state (1990)

Ericson, Torleif Eric Oskar, Rosa-Clot, M

A new effect in pionic atoms (1990)

Ericson, Torleif Eric Oskar, Tauscher, Ludwig

Quark matter formation and heavy ion collisions (1990)

Ericson, Torleif Eric Oskar, Jacob, Maurice René Michel, Satz, Helmut, Willis, W J

Polarizability effects in electronic and muonic atoms (1990)

Bernabeu, J, Ericson, Torleif Eric Oskar

Properties of the neutron (1990)

Ericson, Torleif Eric Oskar

The deuteron asymptotic D-state as a probe of the nucleon-nucleon force (1990)

Ericson, Torleif Eric Oskar, Rosa-Clot, M

Pions and nuclei (1990)

Ericson, Torleif Eric Oskar

Pion condensation and critical effects (1990)

Ericson, Torleif Eric Oskar

The deuteron D/S ratio and quadrupole moment: a quantitative example of pion physics (1990)

Ericson, Torleif Eric Oskar

Somewhat virtual pions (1990)

Ericson, Torleif Eric Oskar

Anomalies in pionic atoms (1990)

Ericson, Torleif Eric Oskar

International Conference on Theoretical Aspects of Very High-energy Phenomena (1990)

Bell, John Stewart, Cerulus, Frans Armand, Ericson, Torleif Eric Oskar, Nilsson, Jan S, Rollnik, Horst