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The SHMS 11 GeV/c Spectrometer in Hall C at Jefferson Lab
No full textThe Super High Momentum Spectrometer (SHMS) has been built for Hall C at the Thomas Jefferson National Accelerator Facility (Jefferson Lab). With a momentum capability reaching 11 GeV/c, the SHMS provides measurements of charged particles produced in electron-scattering experiments using the maximum available beam energy from the upgraded Jefferson Lab accelerator. The SHMS is an ion-optics magnetic spectrometer comprised of a series of new superconducting magnets which transport charged particles through an array of triggering, tracking, and particle-identification detectors that measure momentum, energy, angle and position in order to allow kinematic reconstruction of the events back to their origin at the scattering target. The detector system is protected from background radiation by a sophisticated shielding enclosure. The entire spectrometer is mounted on a rotating support structure which permits measurements to be taken with a large acceptance over laboratory scattering angles from 5.5° to 40°, thus allowing a wide range of low cross-section experiments to be conducted. These experiments complement and extend the previous Hall C research program to higher energies
Bridging Theory and Self-Development in Human Services and Counselor Education
No full textCounselor and human services education increasingly recognize self-awareness as a core component of professional competence and ethical practice. This conceptual manuscript presents a pedagogical framework that integrates major helping theories as tools for structured self-reflection and self-development among students and practitioners. Drawing from experiential learning theory, reflective practice, and models of counselor identity formation, the approach encourages learners to view themselves through theoretical lenses such as person-centered, cognitive-behavioral, and existential frameworks, paralleling the very lenses through which they will view their clients in practice. By engaging in guided reflective activities, students examine personal beliefs, emotions, and behaviors to enhance self-understanding, empathy, and ethical mindfulness. The paper outlines applications within counselor and human services curricula, offering examples of theory-based reflective exercises and describing how these can function both as educational interventions and as qualitative explorations of professional growth. Hypothesized outcomes include deeper professional identity integration, increased empathic capacity, and more deliberate ethical decision-making. Implications for counselor education, supervision, and professional development are discussed, along with recommendations for empirical research examining the model’s impact on trainee wellness, reflective depth, and cultural responsiveness. This work advances a holistic approach to counselor and human services preparation and bridges theory and self-awareness and promoting lifelong learning through the integration of intellect, empathy, and humanity
Psychoeducational Groups: Process and Practice (5th Edition)
No full textThe fifth edition of Psychoeducational Groups builds on and extends the strategies and information from previous editions; describes and presents the fundamental information needed to design, plan, and organize structure; and facilitates effective psychoeducation groups.
These groups have proven to be therapeutic for a variety of audiences from children to older adults, as well as for illnesses, conditions, emotional disturbances, and life transitions. Brown presents guidance for the use of current technological advances for the benefit of the group and its members, current techniques that facilitate group processes, training guides for group leaders, and the supporting professional development and understandings for group leaders.
This book includes the professional background, the educational component, the group, facilitation skills components, and applications for psychoeducational groups for children, adolescents, adults, and older adults. [From the publisher]https://digitalcommons.odu.edu/chs_books/1053/thumbnail.jp
A Case of Listeria Monocytogenes Bacteremia in a Middle-aged Woman with a History of Primary Biliary Cholangitis
No full textIn this report, we discuss the case of a patient with Listeria monocytogenes bacteremia likely resulting from primary biliary cholangitis (PBC) induced cirrhosis. We aim to bolster the body of literature on Listeria bacteremia and establish PBC as a risk factor for this rare complication. Our patient, who presented with sepsis, was subsequently found to have Listeria bacteremia and received intravenous antibiotic treatment of ampicillin for 3 total weeks with complete resolution of her disease. This is the first case suggesting that cirrhosis as a result of PBC may be an independent risk factor for Listeria bacteremia. In patients at increased risk, it is important for physicians to consider listeriosis and provide adequate and timely treatment with ampicillin, penicillin, or gentamicin
Injectable Hydrogels for Bone Regeneration: Mechanical Reinforcement Strategies Using Nanoparticles and Nanofibers: Review paper
No full textBackground and Purpose: The growing demand for bone regeneration following severe injuries highlights the importance of scaffolds in bone tissue engineering (BTE). Injectable hydrogels have emerged as promising candidates because their properties closely mimic the native extracellular matrix (ECM). However, their limited mechanical strength and structural instability restrict their practical application. Approach: This review summarizes recent strategies for reinforcing in situ-forming injectable hydrogels to improve their mechanical performance for bone regeneration. Particular emphasis is placed on nanomaterial-based strategies, including the incorporation of nanoparticles and nanofibers, and their ability to enhance the physical properties of polymeric networks. Key Results: Evidence from recent studies demonstrates that reinforcing hydrogels with nano-scaled materials creates interconnected networks that improve load-bearing capacity, stability, and resistance to deformation. These reinforced systems retain the inherent advantages of injectable hydrogels-biocompatibility, biodegradability, permeability to oxygen and nutrients, and drug delivery capability-while addressing their mechanical shortcomings. Conclusion: Nanomaterial-based reinforcement offers a versatile approach to overcoming the limitations of injectable hydrogels in BTE. By providing improved structural integrity alongside biological functionality, these advanced systems broaden the potential of injectable hydrogels for clinical translation. Future work should focus on optimizing reinforcement strategies to balance mechanical enhancement with safety, manufacturability, and regulatory considerations
The (Non) Numeric Truths Behind College and Career Aspirations: A QuantCrit Analysis of the Precarious Pathways for Secondary Students of Color
Full text linkThis article explored the college and career choices of 963 students across six urban secondary schools in a large public school district in the Southwestern United States. A Quantitative Critical Race Theory, or QuantCrit, analysis was applied to expose the false narrative of number neutrality and the systemic racism that belies it. Findings demonstrate how the myth of meritocracy through education (as ‘the great equalizer’) is perpetuated when educators hold onto racist and ableist beliefs about who can pursue college, and ignore the structural disadvantages underlying the college and career aspirations of students of Color juxtaposed with the reality of the college and career options to which they have access
Determining the Electric Field in a 10 ns Pulsed Plasma in Fuel-Air Mixtures Using EFISH
No full textTransient plasma ignition (TPI) utilizes non-equilibrium plasmas, produced by nanosecond high-voltage pulses, to improve lean-fuel combustion performance and reduce emission. It is known that the relatively high reduced electric field (E/N) in TPI plays an important role in generating energetic electrons and facilitating energy-efficient radical productions, resulting in reliable ignition for lean combustion. Determining the reduced electric field in the discharge is hence important for the understanding of the TPI process and ultimately allowing for the control of the plasma chemistry. This study reports spatiotemporally resolved measurements of the electric field (E) in a 10 ns pulsed plasma that is produced by a pin-to-pin electrode configuration in extremely lean CH₄/air mixtures, with the equivalent ratio (ϕ) ranging from 0.4 to 0.8, at 1 bar using the electric field induced second harmonic generation technique. At a relatively low voltage such as 8 kV, a streamer discharge is typically initiated between the electrodes. The peak electric field was found to be 45 kV cm−¹, corresponding to an E/N of 184 Td, for an 8 kV pulse in a lean (ϕ = 0.4) CH₄/air mixture at 1 bar. Increasing the pulse voltage to be 13 kV under a single pulse operation would cause the discharge to transition to a spark, which was found necessary to achieve reliable ignition for combustion. The peak E was measured to be 66 kV cm−¹ or an E/N of 405 Td, for a 13 kV pulse. Interestingly, the E reaches its maximum during the rising phase of the voltage pulse and drops quickly as the current increasing. The radially symmetric electric field was found highest near the high voltage pin, followed by that near the ground pin, and lowest near the midplane. The effect of the pulse repetition frequency on E/N was studied by employing two-pulse sequences with various pulse-to-pulse delays ranging from 10 to 1000 µs. Measurements of the electric field during the 2nd voltage pulse revealed that the transient spark occurred at a lower voltage with a lower peak E (i.e. 40–48 kV cm−¹), but corresponding to a greatly enhanced E/N due to the elevation in the gas temperature of the discharge. In addition, the impact of ϕ on E was found insignificant, implying that the measurements obtained at the extreme lean conditions can be applied to stoichiometric or richer fuel-air mixtures
