標(biāo)題: Titlebook: Dark Matter in Astro- and Particle Physics; Proceedings of the I H. V. Klapdor-Kleingrothaus Conference proceedings 2001 Springer-Verlag Be [打印本頁] 作者: Confer 時間: 2025-3-21 19:20
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書目名稱Dark Matter in Astro- and Particle Physics被引頻次
書目名稱Dark Matter in Astro- and Particle Physics被引頻次學(xué)科排名
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書目名稱Dark Matter in Astro- and Particle Physics讀者反饋
書目名稱Dark Matter in Astro- and Particle Physics讀者反饋學(xué)科排名
作者: endarterectomy 時間: 2025-3-21 22:25 作者: SSRIS 時間: 2025-3-22 04:26
Preheating, Thermalization and SupergravityThis contribution collects new recent results on preheating after inflation. We discuss tachyonic preheating in the SUSY motivated hybrid inflation; development of equilibrium after preheating; theory of fermionic preheating and the problem of gravitino overproduction from preheating.作者: 施舍 時間: 2025-3-22 08:32 作者: 搜集 時間: 2025-3-22 09:20
Conference proceedings 2001alks in this book emphasize the experimental and theoretical status and perspectives of the ongoing search for dark matter, and the future potential of the field into the next millennium, stressing in particular the interplay between astro- and particle physics.作者: obstinate 時間: 2025-3-22 14:45
ures and talks in this book emphasize the experimental and theoretical status and perspectives of the ongoing search for dark matter, and the future potential of the field into the next millennium, stressing in particular the interplay between astro- and particle physics.978-3-642-62608-1978-3-642-56643-1作者: obstinate 時間: 2025-3-22 17:15 作者: colostrum 時間: 2025-3-23 01:16 作者: 輕浮思想 時間: 2025-3-23 02:14
https://doi.org/10.1007/978-3-322-93659-2198, 6503, and 7184 are analyzed. For these galaxies the radial velocity dispersions of the stars have been measured. If the parameters of the decompositions are chosen according to the ‘maximum’ disk hypothesis, the Toomre . stability parameter is sytematically less than one, which is a strong argu作者: 指派 時間: 2025-3-23 07:43 作者: 奇怪 時間: 2025-3-23 10:10
https://doi.org/10.1007/978-3-322-93659-2 galactic halo. It also produces caustics which are places where the dark matter density is very large. The outer caustics are topological spheres whereas the inner caustics are rings. The self-similar model of galactic halo formation predicts that the caustic ring radii .. follow the approximate la作者: 食草 時間: 2025-3-23 14:26
Marktwirtschaft und Sozialstaat moving objects in the Hubble Deep Field (HDF) [.]. We describe here an analysis [.] of ground-based proper motion surveys in which nearby dark halo white dwarfs might be present, if they have the colours and absolute magnitudes proposed. Very few such objects have been found, whereas we argue here 作者: PTCA635 時間: 2025-3-23 20:10 作者: 毛細(xì)血管 時間: 2025-3-23 22:41 作者: languid 時間: 2025-3-24 04:50 作者: 獸群 時間: 2025-3-24 08:33
https://doi.org/10.1007/978-3-8348-9630-8ut to the full extent of the cluster atmosphere. Simulations show that the cluster baryon fraction depends on radius and that the present measurements are biased in different ways depending on the radius to which they are calculated. A present limitation is that few clusters have accurate radial tem作者: VEST 時間: 2025-3-24 10:54 作者: 雪崩 時間: 2025-3-24 18:36 作者: sebaceous-gland 時間: 2025-3-24 19:03
https://doi.org/10.1007/978-3-322-82800-2ed over 80 such distant supernovae with redshifts between 0.18 and 1.2. In a study of 42 of these supernovae and comparison with 18 “near by” supernovae we have obtained evidence that at the present epoch the expansion of the universe is accelerating. This implies the presence of a positive cosmolog作者: inhumane 時間: 2025-3-25 03:14
,Erfolgstips für die neue Büromanagerin,physics, corresponding to an energy at least as large as the Fermi scale. The actual tiny value of the cosmological constant by particle physics standards represents, therefore, one of the deepest mysteries of present-day fundamental physics. Recent proposals of an approach to the cosmological const作者: Interim 時間: 2025-3-25 06:16
Monika Ankele,Céline Kaiser,Sophie Ledebureld theoretical models. The quintessence lagrangian is taken to be the sum of a simple exponentialpotential and a non-canonical kinetic term. This parameterization covers most variantsof quintessence and makes the naturalness conditions particularly transparent. Several “natural” scalar models lead,作者: Amorous 時間: 2025-3-25 11:00
Aufführen – Aufzeichnen – Anordnenhismystery, but no satisfactory solution has been found yet. The appearance of extradimensions in the framework of brane world systems seems to provide some new ideasto address this problem form a different point of view. We shall discuss some of thesenew approaches and see whether or not they lead 作者: 創(chuàng)造性 時間: 2025-3-25 14:52
https://doi.org/10.1007/978-3-642-56643-1Baryon; Beta decay; Boson; Galaxy; Gravity; Neutrino; Particle Physics; astroparticles; astrophysics; cosmolo作者: 無禮回復(fù) 時間: 2025-3-25 18:30 作者: 圓木可阻礙 時間: 2025-3-25 21:17 作者: 四溢 時間: 2025-3-26 01:05 作者: palette 時間: 2025-3-26 08:01 作者: 他日關(guān)稅重重 時間: 2025-3-26 11:33
The Distribution of Dark Matter in Galaxies: Constant-Density Dark Halos Envelop the Stellar Diskshe edge of the stellar disk, implying a constant dark halo density over the entire disk region. The structural properties of halos around normal spirals are similar to those around dwarf and low surface brightness galaxies; nevertheless they provide far more substantial evidence of the discrepancy b作者: 衍生 時間: 2025-3-26 12:40 作者: GROUP 時間: 2025-3-26 20:26 作者: 1分開 時間: 2025-3-26 23:21
The Distribution of Dark Matter in Galaxies: Constant-Density Dark Halos Envelop the Stellar Disksalaxies. Their rotation curves, coadded according to the galaxy luminosity, conform to an Universal profile which can be represented as the sum of an exponential thin disk term plus a spherical halo term with a flat density core. From dwarfs to giants, these halos feature a constant density region o作者: badinage 時間: 2025-3-27 04:57
The Amount of Dark Matter in Spiral Galaxies198, 6503, and 7184 are analyzed. For these galaxies the radial velocity dispersions of the stars have been measured. If the parameters of the decompositions are chosen according to the ‘maximum’ disk hypothesis, the Toomre . stability parameter is sytematically less than one, which is a strong argu作者: 殘暴 時間: 2025-3-27 08:24
Measuring Stellar and Dark Mass Fractions in Spiral Galaxies of spiral galaxies. We perform hydrodynamical simulations of the gas flow in a sequence of potentials with varying the stellar contribution to the total potential. The stellar portion of the potential was derived empirically from K-band photometry. The output of the simulations — namely the gas den作者: gimmick 時間: 2025-3-27 10:47 作者: ESPY 時間: 2025-3-27 17:15 作者: 迫擊炮 時間: 2025-3-27 20:09
Contribution to Dark Matter from Extragalactic Duste formation of molecules. Many of the grain properties had to be derived from the extinction of starlight, but it has become possible to map its emission in continuum and spectral lines. New, sensitive instruments even allow to map large extragalactic systems..It was found that cold dust (. ≤ 20K) i作者: 疼死我了 時間: 2025-3-28 00:40 作者: 四牛在彎曲 時間: 2025-3-28 02:36
The Sloan Digital Sky Survey at the Millenniums a smaller area in the south. An array of CCD detectors is used in drift-scan mode to image the sky in five passbands to a limiting magnitude of . ~ 23. Selected from the imaging survey, 10. galaxies, 10. quasars and ~ 10. stars will be observed spectroscopically. To date we have imaged 1700 square作者: 新陳代謝 時間: 2025-3-28 06:46 作者: perjury 時間: 2025-3-28 13:36
Can Dark Matter See Itself?iles. This is in stark contrast with observations of both low- and high-surface brightness galaxies, which indicate that the dark matter has almost constant density in the central parts of halos. Basically there are three possible avenues to a solution to the problem, which we discuss in turn. Obser作者: gospel 時間: 2025-3-28 18:40
Self-Interacting Cold Dark Matter Haloss predicted by cosmological models. Weak self-interaction leads to the formation of an isothermal, low-density core which is in agreement with published data on the rotation curves of dwarf galaxies. However, subsequently, core collapse leads to an even steeper central density cusp. In order to expl作者: Ergots 時間: 2025-3-28 20:32
Evidence for Dark Energy from a Study of Type Ia Supernovaeed over 80 such distant supernovae with redshifts between 0.18 and 1.2. In a study of 42 of these supernovae and comparison with 18 “near by” supernovae we have obtained evidence that at the present epoch the expansion of the universe is accelerating. This implies the presence of a positive cosmolog作者: Aerate 時間: 2025-3-29 02:49 作者: 蘆筍 時間: 2025-3-29 03:09
Can Quintessence Be Natural?eld theoretical models. The quintessence lagrangian is taken to be the sum of a simple exponentialpotential and a non-canonical kinetic term. This parameterization covers most variantsof quintessence and makes the naturalness conditions particularly transparent. Several “natural” scalar models lead,作者: 颶風(fēng) 時間: 2025-3-29 10:00 作者: essential-fats 時間: 2025-3-29 11:28
ures and talks in this book emphasize the experimental and theoretical status and perspectives of the ongoing search for dark matter, and the future potential of the field into the next millennium, stressing in particular the interplay between astro- and particle physics.978-3-642-62608-1978-3-642-5作者: 異常 時間: 2025-3-29 19:15
https://doi.org/10.1007/978-3-322-93659-2reas the inner caustics are rings. The self-similar model of galactic halo formation predicts that the caustic ring radii .. follow the approximate law .. In a recent study of 32 extended and well-measured galactic rotation curves, we found evidence for this law.作者: 強(qiáng)壯 時間: 2025-3-29 22:10
Die Aufgabe ?Jonas sammelt Murmeln“ed data on the rotation curves of dwarf galaxies. However, subsequently, core collapse leads to an even steeper central density cusp. In order to explain the observed dark matter rotation curves by weak interaction, the cross section must be in a narrow range around......作者: 蚊帳 時間: 2025-3-30 00:26
Monika Ankele,Céline Kaiser,Sophie Ledeburameterization covers most variantsof quintessence and makes the naturalness conditions particularly transparent. Several “natural” scalar models lead, for the present cosmological era, to a large fraction ofhomogeneous dark energy density and an acceleration of the scale factor as suggestedby observation.作者: Bumptious 時間: 2025-3-30 05:10
Aufführen – Aufzeichnen – Anordnene some new ideasto address this problem form a different point of view. We shall discuss some of thesenew approaches and see whether or not they lead to an improvement of the situation.We shall conclude that we are still far from a solution of the problem.作者: exclusice 時間: 2025-3-30 10:10
Conference proceedings 2001alks in this book emphasize the experimental and theoretical status and perspectives of the ongoing search for dark matter, and the future potential of the field into the next millennium, stressing in particular the interplay between astro- and particle physics.作者: infarct 時間: 2025-3-30 13:25 作者: headway 時間: 2025-3-30 19:28 作者: 極深 時間: 2025-3-30 21:33 作者: Decibel 時間: 2025-3-31 01:18
Contribution to Dark Matter from Extragalactic Dustent models of the composition of the ISM..I present a few examples of these recent observations. Cold dust is found to follow the large-scale HI warps (NGC 4565) and even to trace interactions (NGC 4631).作者: 會議 時間: 2025-3-31 05:47 作者: 換話題 時間: 2025-3-31 13:00
Self-Interacting Cold Dark Matter Halosed data on the rotation curves of dwarf galaxies. However, subsequently, core collapse leads to an even steeper central density cusp. In order to explain the observed dark matter rotation curves by weak interaction, the cross section must be in a narrow range around......作者: 儲備 時間: 2025-3-31 15:54
Can Quintessence Be Natural?ameterization covers most variantsof quintessence and makes the naturalness conditions particularly transparent. Several “natural” scalar models lead, for the present cosmological era, to a large fraction ofhomogeneous dark energy density and an acceleration of the scale factor as suggestedby observation.作者: 暴發(fā)戶 時間: 2025-3-31 17:42 作者: 使厭惡 時間: 2025-4-1 00:14
https://doi.org/10.1007/978-3-642-79389-97) of the density is in the form of cosmological term or “dark (vacuum) energy”. The density of the matter is 0.3 – 0.4 (including hot and cold dark matter and luminous matter), the upper limit of the density of the hot dark matter is 0.05, all in units of the critical cosmological density.作者: 先鋒派 時間: 2025-4-1 03:26
https://doi.org/10.1007/978-3-322-93659-2ment against the ‘maximum’ disk hypothesis. Next, density wave theory arguments are used to describe the morphology of the spiral arms of NGC 3223, 157, and 7083. It is shown that the ‘maximum’ disk hypothesis is not consistent with the observed morphologies of the galaxies.
