Haas, Martin, Siebenmorgen, Ralf, Pantin, Eric, Horst, Hannes, Smette, Alain, Kaufl, Hans-Ulrich, ...
Half of the Seyfert-2 galaxies escaped detection of broad lines in their polarised spectra observed so far. Some authors have suspected that these non-HBLRs contain real Sy2 nuclei without intrinsic...
Two-Loop Effects and Current Status of the 4He+ Lamb Shift (2007)
Jentschura, Ulrich D., Haas, Martin
We report on recent progress in the treatment of two-loop binding corrections to the Lamb shift, with a special emphasis on S and P states. We use these and other results in order to infer an updated...
Properties of the Narrow-line region in Seyfert galaxies (2007)
Bennert, Nicola, Jungwiert, Bruno, Komossa, Stefanie, Haas, Martin, Chini, Rolf
Unification of 3CR Radio Galaxies and Quasars (2006)
Schulz, Bernhard, Siebenmorgen, Ralf, Haas, Martin, Kruegel, Endrik, Chini, Rolf
We have observed seven powerful FR2 radiogalaxies and seven quasars with the Spitzer IRS. Both samples are comparable in both, redshift range and isotropic 178 Hz luminosity. Both samples are found...
Properties of the Narrow-Line Region in Seyfert Galaxies (2006)
Bennert, Nicola, Jungwiert, Bruno, Komossa, Stefanie, Haas, Martin, Chini, Rolf
We study the narrow-line region (NLR) of six Seyfert-1 and six Seyfert-2 galaxies by means of spatially resolved optical spectroscopy and photoionization modelling. From spatially resolved spectral...
Bennert, Nicola, Jungwiert, Bruno, Komossa, Stefanie, Haas, Martin, Chini, Rolf
Spatially resolved emission-line spectroscopy is a powerful tool to determine the physical conditions in the narrow-line region (NLR) of active galactic nuclei (AGNs). We recently used optical...
Bennert, Nicola, Jungwiert, Bruno, Komossa, Stefanie, Haas, Martin, Chini, Rolf
While [OIII] narrow-band imaging is commonly used to measure the size of the narrow-line regions (NLRs) in active galactic nuclei (AGNs), it can be contaminated by emission from surrounding...
Comparison of classical and second quantized description of the dynamic Stark shift (2006)
Haas,Martin, Jentschura,Ulrich David, Keitel,Christoph Helmut
We compare the derivation of the dynamic Stark shift of hydrogenic energy levels in a classical framework with an adiabatically damped laser-atom interaction, which is equivalent to the...
Comparison of classical and second quantized description of the dynamic Stark shift (2006)
Haas, Martin, Jentschura, Ulrich David, Keitel, Christoph Helmut
We compare the derivation of the dynamic Stark shift of hydrogenic energy levels in a classical framework with an adiabatically damped laser-atom interaction, which is equivalent to the...
Theory Advances in High-Precision Two-Photon Spectroscopy (2006)
¨ High-precision two-photon spectroscopy of hydrogen and hydrogenlike systems constitutes an exceptional tool for experimental tests of fundamental theories. In the analysis of these experiments,...
Haas, Martin, Jentschura, Ulrich David, Keitel, Christoph Helmut, Kolachevsky, N., Herrmann, M., Fendel, P., ...
One of the dominant systematic effects that shift resonance lines in high-precision measurements of two-photon transitions is the dynamic (ac) Stark shift. For suitable laser frequencies, the ac...
Studying size and physical properties of the narrow-line region in active galaxies (2006)
Bennert, Nicola, Jungwiert, Bruno, Komossa, Stefanie, Haas, Martin, Chini, Rolf
Photoionization broadening of the 1S-2S transition in a beam of atomic hydrogen (2006)
Kolachevsky, Nikolai, Haas, Martin, Jentschura, Ulrich D., Herrmann, Maximilian, Fendel, Peter, Fischer, M., ...
Photoionization broadening of the 1S-2S transition in a beam of atomic hydrogen (2006)
Kolachevsky, Nikolai, Haas, Martin, Jentschura, Ulrich David, Herrmann, Maximilian, Fendel, Peter, Fischer, Marc, ...
We consider the excitation dynamics of the two-photon 1S-2S transition in a beam of atomic hydrogen by 243 nm laser radiation. Specifically, we study the impact of ionization damping on the...
Size and Properties of the NLR in the Seyfert-2 Galaxy NGC 1386 (2005)
Bennert, Nicola, Jungwiert, Bruno, Komossa, Stefanie, Haas, Martin, Chini, Rolf
We study the narrow-line region (NLR) of the Seyfert-2 galaxy NGC 1386 by means of long-slit spectroscopy obtained with FORS1 at the VLT. We use the galaxy itself for subtracting the stellar...
Spitzer IRS spectroscopy of 3CR radio galaxies and quasars: Testing the unified schemes (2005)
Haas, Martin, Siebenmorgen, Ralf, Schulz, Bernhard, Kruegel, Endrik, Chini, Rolf
With the Spitzer Space Telescope Infrared Spectrograph (IRS) we have observed seven powerful FR2 radio galaxies and seven quasars. Both samples, the galaxies and the quasars, are comparable in...
Haas, Martin, Chini, Rolf, Mueller, Sven, Bertoldi, Frank, Albrecht, Marcus
In order to explore the nature of the 850 micron flux difference between powerful radio galaxies and steep radio-spectrum quasars at z=1.5 reported by Willott et al. (2002), we have observed 9...
Verma, Aprajita, Charmandaris, Vassilis, Klaas, Ulrich, Lutz, Dieter, Haas, Martin
Some of the most active galaxies in the Universe are obscured by large quantities of dust and emit a substantial fraction of their bolometric luminosity in the infrared. Observations of these...
Verma, Aprajita, Charmandaris, Vassilis, Klaas, Ulrich, Lutz, Dieter, Haas, Martin
Some of the most `active' galaxies in the Universe are obscured by large quantities of dust and emit a substantial fraction of their bolometric luminosity in the infrared. Observations of these...
QED Corrections to the Dynamic Polarizability (2005)
Haas, Martin, Jentschura, Ulrich David, Keitel, Christoph Helmut
In a relatively weak laser field, atoms interacting with one-photon off-resonant laser fields are dynamically polarized. This perturbation manifests itself in a shift of the atomic energy levels...
New Limits on the Drift of Fundamental Constants from Laboratory Measurements (2004)
Fischer,M., Kolachevsky,Nikolai, Zimmermann,Marcus, Holzwarth,Ronald, Udem,Thomas, Hänsch,Theodor W., ...
We have remeasured the absolute 1S-2S transition frequency H in atomic hydrogen. A comparison with the result of the previous measurement performed in 1999 sets a limit of (–29±57) Hz for the...
Observations of Cold Dust in Nearby Elliptical Galaxies (2004)
Leeuw, Lerothodi L., Sansom, Anne E., Robson, E. Ian, Haas, Martin, Kuno, Nario
Spectral energy distribution (SED) analyses, that include new millimeter (mm) to far-infrared (FIR) observations, obtained with continuum instruments on the Nobeyama and James Clerk Maxwell...
Mid-infrared selection of AGN (2004)
Haas, Martin, Siebenmorgen, Ralf, Leipski, Christian, Ott, Stephan, Cunow, Barbara, Meusinger, Helmut, ...
Since a large fraction of active galactic nuclei (AGN) is missed in common UV-excess surveys and is even hard to find in radio, near-IR and X-ray surveys, we have used a new AGN selection technique...
New Limits on the Drift of Fundamental Constants from Laboratory Measurements (2004)
Fischer, M., Kolachevsky, Nikolai, Zimmermann, Marcus, Holzwarth, Ronald, Udem, Thomas, Hänsch, Theodor W., ...
We have remeasured the absolute 1S-2S transition frequency H in atomic hydrogen. A comparison with the result of the previous measurement performed in 1999 sets a limit of (–29±57) Hz for the...
The ISOPHOT-MAMBO survey of 3CR radio sources: Further evidence for the unified schemes (2004)
Haas, Martin, Müller, S.A.H., Bertoldi, F., Chini, R., Egner, Sebastian, Freudling, W., ...
Dust in 3CR radio galaxies: On the FR1-FR2 difference (2004)
Müller, Sven H., Haas, Martin, Siebenmorgen, R., Klaas, Ulrich, Meisenheimer, Klaus, Chini, Rolf, ...
New Limits on the Drift of Fundamental Constants from Laboratory Measurements (2004)
Fischer, M., Kolachevsky, Nikolai, Zimmermann, Marcus, Holzwarth, Ronald, Udem, Thomas, Hänsch, Theodor W., ...
We have remeasured the absolute 1S-2S transition frequency H in atomic hydrogen. A comparison with the result of the previous measurement performed in 1999 sets a limit of (–29±57) Hz for the...
Dust Temperatures in the Infrared Space Observatory Atlas of Bright Spiral Galaxies (2003)
Bendo, George J., Joseph, Robert D., Wells, Martyn, Gallais, Pascal, Haas, Martin, Heras, Ana M., ...
We examine far-infrared and submillimeter spectral energy distributions for galaxies in the Infrared Space Observatory Atlas of Bright Spiral Galaxies. For the 71 galaxies where we had complete...
Dust temperatures in the Infrared Space Obsertarory atlas of bright spiral galaxies (2003)
Bendo, G.J., Joseph, R.D., Wells, M., Gallais, P., Haas, Martin, Heras, A.M., ...
The ISO view of Palomar-Green quasars (2003)
Haas, Martin, Klaas, Ulrich, Müller, S.A.H., Lemke, Dietrich, Chini, R., Bertoldi, F., ...
Sind Radiogalaxien und Quasare dasselbe? Die Antwort des Infrarotsatelliten ISO (2003)
Haas, Martin, Meisenheimer, Klaus
Not Available
Unification and Evolution of 3CR Radio Galaxies and Quasars as Seen by ISO (2003)
Haas, Martin, Ller, Sven, Seibenmorgen, Ralf, Bertoldi, Frank, Chini, Rolf, Egner, Sebastian, ...
Not Available
A very young star forming region detected by the ISOPHOT Serendipity Survey (2003)
Krause, Oliver, Lemke, Dietrich, Tóth, L.V., Klaas, Ulrich, Haas, Martin, Stickel, Manfred, ...
A gas and dust rich giant elliptical galaxy in the ISOPHOT Serendipity Survey (2003)
Krause, Oliver, Lisenfeld, U., Lemke, Dietrich, Haas, Martin, Klaas, Ulrich, Stickel, Manfred
The small magellanic cloud in the far infrared: New ISO results (2003)
Wilke, Karsten, Stickel, Manfred, Haas, Martin, Herbstmeier, U., Klaas, Ulrich, Lemke, Dietrich
Extragalactic research with ISOPHOT pipeline products (2003)
Klaas, Ulrich, Haas, Martin, Richards, P.J., Walker, H.H., Wilke, K.
Hannover, Universiẗat, Diss., 2003 (Nicht für den Austausch).
Kofaktoren von c-Myb [Elektronische Ressource] / (2003)
Hannover, Universiẗat, Diss., 2003.
An Infrared Space Observatory Atlas Of Bright Spiral Galaxies (2002)
George J. Bendo, Robert D. Joseph, Pascal Gallais, Martin Haas, Ana M. Heras, Ulrich Klaas, ...
In this first paper in a series we present an atlas of infrared images and photometry from 1.2 to 180 lm for a sample of bright spiral galaxies. The atlas galaxies are an optically selected,...
Star Formation in the ISO Atlas of Spiral Galaxies (2002)
Bendo, George J., Joseph, Robert D., Wells, Martyn, Gallais, Pascal, Haas, Martin, Heras, Ana M., ...
We investigate star formation along the Hubble sequence using the ISO Atlas of Spiral Galaxies. Using mid-infrared and far-infrared flux densities normalized by K-band flux densities as indicators of...
Determination of limits on disc masses around six pulsars at 15 and 90 microns (2001)
Koch-Miramond, Lydie, Haas, Martin, Pantin, Eric, Podsiadlowski, Philipp, Naylor, Tim, Sauvage, Marc
We have searched for evidence of emission at 15 microns with ISOCAM and at 90 microns with ISOPHOT from dust orbiting six nearby pulsars, both in binaries and in isolation, located at distances...
High Performance Supersonic Missile Inlet Design Using Automated Optimization (2000)
Ge-cheng Zha, Donald Smith, Mark Schwabacher, Khaled Rasheed, Andrew Gelsey, Doyle Knight, ...
A multi-level design strategy for supersonic missile inlet design is developed. The multi-level design strategy combines an efficient simple physical model analysis tool and a sophisticated CFD...
Haas, Martin., Verein Deutscher Ingenieure.
Thesis--Universitat Stuttgart.
High Performance Supersonic Missile Inlet Design Using Automated Optimization (1997)
Ge-cheng Zha, Donald Smith, Mark Schwabacher, Khaled Rasheed, Andrew Gelsey, Doyle Knight, ...
A multi-level design strategy for supersonic missile inlet design is developed. The multi-level design strategy combines an efficient simple physical model analysis tool and a sophisticated CFD...
Numerical Simulation of HSCT Inlet Operability with Angle of Attack (1997)
Ge-cheng Zha, Donald Smith, Martin Haas
A High Speed Civil Transport (HSCT) inlet at Mach 2 and angle of attack is simulated by using a 3D Navier-Stokes solver with the BaldwinLomax algebraic turbulence model. An extrapolation uniform mass...
Bochum, Univ., Diss., 1999.
High Performance Supersonic Missile Inlet Design Using Automated Optimization (1996)
Ge-cheng Zha, Donald Smith, Mark Schwabacher, Khaled Rasheed, Andrew Gelsey, Doyle Knight, ...
A multi-level design strategy for supersonic missile inlet design is developed. The multi-level design strategy combines an efficient simple physical model analysis tool and a sophisticated CFD...
Thesis (Ph. D.)--University of Sheffield, 1996.
Wärmeentwicklung und Oberflächenveränderungen bei der Amalgampolitur. (1986)
Freiburg (Breisgau), Univ., Diss., 1986 (Nicht f.d. Austausch).
Haas, Martin, Altman, Amnon, Rothenberg, Ellen, Bogart, Mark H., Jones, O. W.
In a previous paper we described the induction by x-irradiation or radiation-induced leukemia virus-in-oculation of two classes of lymphoid T-cell neoplasms: The first class, designated T-cell...
Blatt, Cila, Mileham, Karen, Haas, Martin, Nesbitt, Muriel N., Harper, Mary E., Simon, Melvin I.
Chromosomal locations of members of the xenotropic-related env gene family in the mouse genome have been determined. Endonuclease restriction site polymorphisms detected by molecular hybridization...
Hannover, Med. Hochsch., Diss., 1981.
Combined injections effects on the LWR reflood process /--by Martin Haas. (1977)
Photocopy of typescript.
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1972.
The kinetics of genomic masking of nondefective dual-tropic murine leukemia viruses (MuLV) by ecotropic MuLV in mixedly infected mouse cells was studied. The ratio of virus infection (ecotropic to...
Haas, Martin, Yoshikawa, Hiroshi
PBSH, a defective phage of Bacillus subtilis strain 168, is described. Conditions are given for optimal induction of the prophage with mitomycin C. After a latent period of 90 min, cells were lysed...
Haas, Martin, Yoshikawa, Hiroshi
Treatment of Bacillus subtilis strain 168 with mitomycin C caused induction of a defective prophage, PBSH. During induction, extensive deoxyribonucleic acid (DNA) synthesis took place. Concurrently,...
Haas, Martin, Yoshikawa, Hiroshi
The adenine-16 (ade-16) marker (the marker nearest the chromosomal origin of Bacillus subtilis) in purified PBSH deoxyribonucleic acid (DNA) renatured more rapidly and to a greater extent than any...
Haas, Martin, Vogt, Marguerite, Dulbecco, Renato
Complete hybrids of simian virus 40 (SV40)DNA and its complementary RNA (cRNA) are not retained on nitrocellulose membranes. At saturating cRNA concentrations, retention of the hybrids indicates...
Genetic and molecular analysis of six tumor suppressor genes in Drosophila melanogaster
Löffler, Thomas, Wismar, Jasmin, Sass, Heinz, Miyamoto, Tomio, Becker, Gerhard, Konrad, Lutz, ...
Six Drosophila melanogaster tumor suppressor genes causing malignant or benign tumors in specific cell types are described. The wild-type alleles of these genes are instrumental in the...
Schoppmeyer, Konrad, Norris, Paula S, Haas, Martin
T-cell acute lymphoblastic leukemia (T-ALL) is characterized by the presence of differentiation-inhibited pro- and pre-T-cell blasts. The p16INK4a tumor suppressor gene has been shown to be...
The kinetics of genomic masking of nondefective dual-tropic murine leukemia viruses (MuLV) by ecotropic MuLV in mixedly infected mouse cells was studied. The ratio of virus infection (ecotropic to...
Haas, Martin, Yoshikawa, Hiroshi
PBSH, a defective phage of Bacillus subtilis strain 168, is described. Conditions are given for optimal induction of the prophage with mitomycin C. After a latent period of 90 min, cells were lysed...
Haas, Martin, Yoshikawa, Hiroshi
Treatment of Bacillus subtilis strain 168 with mitomycin C caused induction of a defective prophage, PBSH. During induction, extensive deoxyribonucleic acid (DNA) synthesis took place. Concurrently,...
Haas, Martin, Yoshikawa, Hiroshi
The adenine-16 (ade-16) marker (the marker nearest the chromosomal origin of Bacillus subtilis) in purified PBSH deoxyribonucleic acid (DNA) renatured more rapidly and to a greater extent than any...
Haas, Martin, Vogt, Marguerite, Dulbecco, Renato
Complete hybrids of simian virus 40 (SV40)DNA and its complementary RNA (cRNA) are not retained on nitrocellulose membranes. At saturating cRNA concentrations, retention of the hybrids indicates...
Schoppmeyer, Konrad, Norris, Paula S, Haas, Martin
T-cell acute lymphoblastic leukemia (T-ALL) is characterized by the presence of differentiation-inhibited pro- and pre-T-cell blasts. The p16INK4a tumor suppressor gene has been shown to be...