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This brief addresses two evaluation questions: (1) What are the effects of supporting educators to intentionally intensify their practice on their overall implementation of targeted classroom practices (i.e., prompting, engaging, and praising)? and (2) What are the effects of educators intentionally intensifying their classroom practices on the behaviors of students with disabilities?

Relative to peers without disabilities, students with disabilities are more likely to experience exclusionary discipline. Specifically, students with disabilities experience disproportionate levels of restraint, seclusion, out-of-school suspension, expulsion, and contacts with law enforcement. Further, after controlling for race (Black/African American) and gender identity (male)--demographic characteristics known to predict higher rates of exclusionary discipline--scholars have documented that the effects of disability persist. To reduce exclusionary discipline and improve student outcomes, many (>25,000) schools in the U.S. implement a continuum of social, emotional, and behavioral (SEB) support within a positive behavioral interventions and supports (PBIS) framework. This evaluation brief explores the relationship between (a) schools' implementation of Tier 1 (universal) support within a PBIS framework; and (b) the proportion of students with disabilities suspended.

The PBIS Framework has demonstrated effectiveness in supporting schools in improving various prosocial outcomes including improved social, emotional, and behavioral skills; increased academic outcomes and attendance; decreased exclusionary discipline (e.g., office referrals, suspensions); and reduced reports of bullying and substance abuse. In addition, a number of statewide support systems have effectively trained schools to fidelity using a cohort training model. However, there are fewer demonstrations of statewide systems of support that prioritize implementation and capacity building for schools in high needs communities. This evaluation brief describes the Massachusetts PBIS Academy model--a state-supported training approach for high-needs schools and districts. The brief also shares evaluation data to document implementation fidelity and outcomes for participating schools, relative to matched comparison schools.

An increasing number of high schools have adopted Tier 1 PBIS; however, implementation of advanced tiers of PBIS in high schools is less common and specific guidance is scarce. To address this need and better understand the level of support needed to successfully implement advanced tiers of PBIS at the high school level, the National Center on PBIS is conducting a model demonstration with a cohort of four high schools. The intent of this brief is to share lessons learned related to strengths and challenges that have influenced the initial implementation of advanced tiers of support for schools and lessons learned for district leaders and trainers to consider when supporting high schools.

Our proof is based on a generalization of action-angle variables, a convergent Lie transformation, and Moser's invariant curve theorem. As an overall outline we give a quick proof of Morris' original theorem. Then the full theorem is established in two steps. In the first step we define a special case and then follow the proof given for Morris' Theorem to prove boundedness for the special case. In the second step we use the method of Lie transforms to reduce the general case to the special case., Comment: 11 pages, submitted to JDDE

Coronal jets represent important manifestations of ubiquitous solar transients, which may be the source of significant mass and energy input to the upper solar atmosphere and the solar wind. While the energy involved in a jet-like event is smaller than that of "nominal" solar flares and coronal mass ejections (CMEs), jets share many common properties with these phenomena, in particular, the explosive magnetically driven dynamics. Studies of jets could, therefore, provide critical insight for understanding the larger, more complex drivers of the solar activity. On the other side of the size-spectrum, the study of jets could also supply important clues on the physics of transients close or at the limit of the current spatial resolution such as spicules. Furthermore, jet phenomena may hint to basic process for heating the corona and accelerating the solar wind; consequently their study gives us the opportunity to attack a broad range of solar-heliospheric problems., Comment: 53 pages, 24 figures

We study the evolution of a V-type three-level system, whose two resonances are coherently excited and coupled by two ultrashort laser pump and probe pulses, separated by a varying time delay. We relate the quantum dynamics of the excited multi-level system to the absorption spectrum of the transmitted probe pulse. In particular, by analyzing the quantum evolution of the system, we interpret how atomic phases are differently encoded in the time-delay-dependent spectral absorption profiles when the pump pulse either precedes or follows the probe pulse. We experimentally apply this scheme to atomic Rb, whose fine-structure-split $5s\,^2S_{1/2}\rightarrow 5p\,^2P_{1/2}$ and $5s\,^2S_{1/2}\rightarrow 5p\,^2P_{3/2}$ transitions are driven by the combined action of a pump pulse of variable intensity and a delayed probe pulse. The provided understanding of the relationship between quantum phases and absorption spectra represents an important step towards full time-dependent phase reconstruction (quantum holography) of bound-state wave-packets in strong-field light-matter interactions with atoms, molecules and solids., Comment: 5 pages, 4 figures

We describe the preparation of ultra cold atomic clouds in a dilution refrigerator. The closed cycle 3He/4He cryostat was custom made to provide optical access for laser cooling, optical manipulation and detection of atoms. We show that the cryostat meets the requirements for cold atom experiments, specifically in terms of operating a magneto-optical trap, magnetic traps and magnetic transport under ultra high vacuum conditions. The presented system is a step towards the creation of a quantum hybrid system combining ultra cold atoms and solid state quantum devices., Comment: 6 pages, 6 figures

The lifetime of interatomic Coulombic decay (ICD) [L. S. Cederbaum et al., Phys. Rev. Lett. 79, 4778 (1997)] in Ne_2 is determined via an extreme ultraviolet pump-probe experiment at the Free-Electron Laser in Hamburg. The pump pulse creates a 2s inner-shell vacancy in one of the two Ne atoms, whereupon the ionized dimer undergoes ICD resulting in a repulsive Ne^{+}(2p^{-1}) - Ne^{+}(2p^{-1}) state, which is probed with a second pulse, removing a further electron. The yield of coincident Ne^{+} - Ne^{2+} pairs is recorded as a function of the pump-probe delay, allowing us to deduce the ICD lifetime of the Ne_{2}^{+}(2s^{-1}) state to be (150 +/- 50) fs in agreement with quantum calculations., Comment: 5 pages, 3 figures, accepted by PRL on July 11th, 2013

This paper is the third in a series of papers working towards the construction of a realistic, evolving, non-linear force-free coronal field model for the solar magnetic carpet. Here, we present preliminary results of 3D time-dependent simulations of the small-scale coronal field of the magnetic carpet. Four simulations are considered, each with the same evolving photospheric boundary condition: a 48 hr time series of synthetic magnetograms produced from the model of Meyer, Mackay, van Ballegooijen and Parnell, 2011, Solar Phys., 272, 29. Three simulations include a uniform, overlying coronal magnetic field of differing strength, the fourth simulation includes no overlying field. The build-up, storage and dissipation of magnetic energy within the simulations is studied. In particular, we study their dependence upon the evolution of the photospheric magnetic field and the strength of the overlying coronal field. We also consider where energy is stored and dissipated within the coronal field. The free magnetic energy built up is found to be more than sufficient to power small-scale, transient phenomena such as nanoflares and X-ray bright points, with the bulk of the free energy found to be stored low down, between 0.5-0.8 Mm. The energy dissipated is presently found to be too small to account for the heating of the entire quiet Sun corona. However, the form and location of energy dissipation regions are in qualitative agreement with what is observed on small scales on the Sun. Future MHD modelling using the same synthetic magnetograms may lead to a higher energy release.

This paper is the second in a series of studies working towards constructing a realistic, evolving, non-potential coronal model for the solar magnetic carpet. In the present study, the interaction of two magnetic elements is considered. Our objectives are to study magnetic energy build up, storage and dissipation as a result of emergence, cancellation, and flyby of these magnetic elements. In the future these interactions will be the basic building blocks of more complicated simulations involving hundreds of elements. Each interaction is simulated in the presence of an overlying uniform magnetic field, which lies at various orientations with respect to the evolving magnetic elements. For these three small-scale interactions, the free energy stored in the field at the end of the simulation ranges from $0.2-2.1\times 10^{26}$ ergs, while the total energy dissipated ranges from $1.3-6.3\times 10^{26}$ ergs. For all cases, a stronger overlying field results in higher energy storage and dissipation. For the cancellation and emergence simulations, motion perpendicular to the overlying field results in the highest values. For the flyby simulations, motion parallel to the overlying field gives the highest values. In all cases, the free energy built up is sufficient to explain small-scale phenomena such as X-ray bright points or nanoflares. In addition, if scaled for the correct number of magnetic elements for the volume considered, the energy continually dissipated provides a significant fraction of the quiet Sun coronal heating budget.