29,434 research outputs found
Peace and Wrath in Paul\u27s Epistle to the Romans
In this paper I would like to accomplish two things. First, I will draw attention to wrath and peace in Romans, focusing on the three passages in which the terminology of wrath and peace occurs in close proximity: 2:5-10; 5:1-11; and 12:18-21. Second, I will comment on how Paul’s concept of the relationship between wrath and peace is worked out in the unfolding of the epistle
Fission-Fragment Mass Distribution and Particle Evaporation at low Energies
Fusion-fission dynamics is investigated with a special emphasis on fusion
reactions at low energy for which shell effects and pairing correlations can
play a crucial role leading in particular to multi-modal fission. To follow the
dynamical evolution of an excited and rotating nucleus we solve a 2-dimensional
Langevin equation taking explicitly light-particle evaporation into account.
The confrontation theory-experiment is demonstrated to give interesting
information on the model presented, its qualities as well as its shortcomings.Comment: 19 pages, latex, 24 eps-figure
Accelerator Constraints on Neutralino Dark Matter
The constraints on neutralino dark matter \chi obtained from accelerator
searches at LEP, the Fermilab Tevatron and elsewhere are reviewed, with
particular emphasis on results from LEP 1.5. These imply within the context of
the minimal supersymmetric extension of the Standard Model that m_\chi \ge 21.4
GeV if universality is assumed, and yield for large tan\beta a significantly
stronger bound than is obtained indirectly from Tevatron limits on the gluino
mass. We update this analysis with preliminary results from the first LEP 2W
run, and also preview the prospects for future sparticle searches at the LHC.Comment: Presented by J. Ellis at the Workshop on the Identification of Dark
Matter, Sheffield, September, 1996. 14 pages; Latex; 12 Fig
Discovery of the secondary eclipse of HAT-P-11 b
We report the detection of the secondary eclipse of HAT-P-11 b, a
Neptune-sized planet orbiting an active K4 dwarf. Using all available
short-cadence data of the Kepler mission, we derive refined planetary ephemeris
increasing their precision by more than an order of magnitude. Our simultaneous
primary and secondary transit modeling results in improved transit and orbital
parameters. In particular, the precise timing of the secondary eclipse allows
to pin down the orbital eccentricity to . The
secondary eclipse depth of ppm corresponds to a
detection and results in a geometric albedo of for
HAT-P-11 b, close to Neptune's value, which may indicate further resemblances
between these two bodies. Due to the substantial orbital eccentricity, the
planetary equilibrium temperature is expected to change significantly with
orbital position and ought to vary between K and K,
depending on the details of heat redistribution in the atmosphere of HAT-P-11
b.Comment: Accepted by A&A, 27/10/201
Structure and variability in the corona of the ultrafast rotator LO Peg
Low-mass ultrafast rotators show the typical signatures of magnetic activity
and are known to produce flares, probably as a result of magnetic reconnection.
As a consequence, the coronae of these stars exhibit very large X-ray
luminosities and high plasma temperatures, as well as a pronounced inverse FIP
effect. To probe the relationship between the coronal properties with a
spectral type of ultra-fast rotators with rotation period P < 1d, we analyse
the K3 rapid-rotator LO Peg observed with XMM-Newton and compare it with other
low-mass rapid rotators of spectral types G9-M1. We investigate the temporal
evolution of coronal properties like the temperatures, emission measures,
abundances, densities and the morphology of the involved coronal structures. We
find two distinguishable levels of activity in the XMM-Newton observation of
LO~Peg, which shows significant X-ray variability both in phase and amplitude,
implying the presence of an evolving active region on the surface. The X-ray
flux varies by 28%, possibly due to rotational modulation. During our
observation, a large X-ray flare with a peak X-ray luminosity of 2E30 erg/s and
an energy of 7.3E33 erg was observed. At the flare onset we obtain clear
signatures for the occurrence of the Neupert effect. The flare plasma also
shows an enhancement of iron by a factor of 2 during the rise and peak phase of
the flare. Our modeling analysis suggests that the scale size of the flaring
X-ray plasma is smaller than 0.5 R_star. Further, the flare loop length appears
to be smaller than the pressure scale height of the flaring plasma. Our studies
show that the X-ray properties of the LO~Peg are very similar to those of other
low-mass ultrafast rotators, i.e., the X-ray luminosity is very close to
saturation, its coronal abundances follow a trend of increasing abundance with
increasing first ionisation potential, the so-called inverse FIP effect.Comment: 11 pages, 15 figures and 4 tables. Accepted for publication by
Astronomy and Astrophysic
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