Open Access. Powered by Scholars. Published by Universities.®

Physical Sciences and Mathematics Commons™

Open Access. Powered by Scholars. Published by Universities.®

2021

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 691 - 720 of 27758

Full-Text Articles in Physical Sciences and Mathematics

Measurements Of Q2 Moments Of Inclusive B →Xcℓ+Νℓ Decays With Hadronic Tagging, R. Van Tonder, L. Cao, W. Sutcliffe, M. Welsch, F. U. Bernlochner, I. Adachi, H. Aihara, D. M. Asner, T. Aushev, R. Ayad, V. Babu, P. Behera, K. Belous, J. Bennett, M. Bessner, V. Bhardwaj, B. Bhuyan, T. Bilka, J. Biswal Dec 2021

Measurements Of Q2 Moments Of Inclusive B →Xcℓ+Νℓ Decays With Hadronic Tagging, R. Van Tonder, L. Cao, W. Sutcliffe, M. Welsch, F. U. Bernlochner, I. Adachi, H. Aihara, D. M. Asner, T. Aushev, R. Ayad, V. Babu, P. Behera, K. Belous, J. Bennett, M. Bessner, V. Bhardwaj, B. Bhuyan, T. Bilka, J. Biswal

Faculty and Student Publications

We present the measurement of the first to fourth order moments of the four-momentum transfer squared, q2, of inclusive B→Xcℓ+νℓ decays using the full Belle dataset of 711 fb-1 of integrated luminosity at the (4S) resonance where ℓ=e, μ. The determination of these moments and their systematic uncertainties open new pathways to determine the absolute value of the Cabibbo-Kobayashi-Maskawa matrix element Vcb using a reduced set of matrix elements of the heavy quark expansion. In order to identify and reconstruct the Xc system, we reconstruct one of the two B-mesons using machine learning techniques in fully hadronic decay modes. The …


Contrastive Learning For Unsupervised Auditory Texture Models, Christina Trexler Dec 2021

Contrastive Learning For Unsupervised Auditory Texture Models, Christina Trexler

Computer Science and Computer Engineering Undergraduate Honors Theses

Sounds with a high level of stationarity, also known as sound textures, have perceptually relevant features which can be captured by stimulus-computable models. This makes texture-like sounds, such as those made by rain, wind, and fire, an appealing test case for understanding the underlying mechanisms of auditory recognition. Previous auditory texture models typically measured statistics from auditory filter bank representations, and the statistics they used were somewhat ad-hoc, hand-engineered through a process of trial and error. Here, we investigate whether a better auditory texture representation can be obtained via contrastive learning, taking advantage of the stationarity of auditory textures to …


The Belle Ii Online–Offline Data Operations System, Matthew Barrett, Takanori Hara, Michel Hernández Villanueva, Kunxian Huang, Dhiraj Kalita, Petteri Kettunen, Prashant Shingade Dec 2021

The Belle Ii Online–Offline Data Operations System, Matthew Barrett, Takanori Hara, Michel Hernández Villanueva, Kunxian Huang, Dhiraj Kalita, Petteri Kettunen, Prashant Shingade

Faculty and Student Publications

Data collection at the Belle II experiment started in the spring of 2019. During the early stages of the experiment it is important that the raw data are both copied to permanent storage and made available soon after being recorded to allow for the timely commissioning and calibration of the detector. Automated procedures have been developed to transfer the data from the detector in a timely manner; these procedures include fault management, performance monitoring, and quality checks. It is important that the systems put in place will also scale to the much higher data rates expected in the coming years …


Winect: 3d Human Pose Tracking For Free-Form Activity Using Commodity Wifi, Y. Ren, Z. Wang, Sheng Tan, Y. Chen, J. Yang Dec 2021

Winect: 3d Human Pose Tracking For Free-Form Activity Using Commodity Wifi, Y. Ren, Z. Wang, Sheng Tan, Y. Chen, J. Yang

Computer Science Faculty Research

WiFi human sensing has become increasingly attractive in enabling emerging human-computer interaction applications. The corresponding technique has gradually evolved from the classification of multiple activity types to more fine-grained tracking of 3D human poses. However, existing WiFi-based 3D human pose tracking is limited to a set of predefined activities. In this work, we present Winect, a 3D human pose tracking system for free-form activity using commodity WiFi devices. Our system tracks free-form activity by estimating a 3D skeleton pose that consists of a set of joints of the human body. In particular, we combine signal separation and joint movement modeling …


Negations Of Probability Distributions: A Survey, Ildar Z. Baryrshin, Nailya I. Kubysheva, Venera R. Bayrasheva, Olga Kosheleva, Vladik Kreinovich Dec 2021

Negations Of Probability Distributions: A Survey, Ildar Z. Baryrshin, Nailya I. Kubysheva, Venera R. Bayrasheva, Olga Kosheleva, Vladik Kreinovich

Departmental Technical Reports (CS)

In recent years many papers have been devoted to the analysis and applications of negations of finite probability distributions (PD), first considered by Ronald Yager. This paper gives a brief overview of some formal results on the definition and properties of negations of PD. Negations of PD are generated by negators of probability values transforming element-by-element PD into a negation of PD. Negators are non-increasing functions of probability values. There are two types of negators: PD-independent and PD-dependent negators. Yager's negator is fundamental in the characterization of linear PD-independent negators as a convex combination of Yager's negator and uniform negator. …


South Dakota Farmers’ Perceived Extreme Weather Frequency And Adaptation Measures, Tong Wang, Jim Ristau Dec 2021

South Dakota Farmers’ Perceived Extreme Weather Frequency And Adaptation Measures, Tong Wang, Jim Ristau

South Dakota Farm Survey

Researchers at South Dakota State University (SDSU) conducted surveys of eastern South Dakota (SD) commodity crop producers with the support of the South Dakota Corn Utilization Council. Using publicly available addresses of government program participants, a random sample of 3,000 producers were sent the survey in 2018. 650 were ineligible and 708 responded to the survey for a response rate of 30%. In 2021, the same producers who took the survey in 2018 were asked to take a follow up survey. 94 were ineligible, and 350 responded for a 59% response rate. Producers could take the survey online or via …


Evolving Tropical Cyclone Tracks In The North Atlantic In A Warming Climate, Andra J. Garner, Robert Kopp, Benjamin Horton Dec 2021

Evolving Tropical Cyclone Tracks In The North Atlantic In A Warming Climate, Andra J. Garner, Robert Kopp, Benjamin Horton

School of Earth & Environment Departmental Research

Tropical cyclone (TC) track characteristics in a changing climate remain uncertain. Here, we investigate the genesis, tracks, and termination of >35,000 synthetic TCs traveling within 250 km of New York City (NYC) from the pre‐industrial era (850–1800 CE) to the modern era (1970–2005 CE) to the future (2080–2100 CE). Under a very high‐emissions scenario (RCP8.5), TCs are more likely to form closer to the United States (U.S.) southeast coast (>15% increase), terminate in the northeastern Atlantic (>6% increase), and move most slowly along the U.S. Atlantic coast (>15% increase) from the pre‐industrial to future. Under our modeled …


Determining The Psychosocial Needs Of The Nurses Of Covid-19 Patients, Allison Stevens Dec 2021

Determining The Psychosocial Needs Of The Nurses Of Covid-19 Patients, Allison Stevens

ATU Theses and Dissertations 2021 - Present

Nurses are a vital element of the COVID-19 healthcare crisis and have been since the beginning of the COVID-19 response. The professional strain put on nurses included, but is not limited to: changing professional roles, rapidly changing policies and procedures, an influx of patients—particularly of high acuity, and change in workplace morale. However, nurses also had to carry the burdens of living as a member of society, family member, friend, community member, and above all, simply as a person surviving a pandemic themselves. With all of the stressors nurses have endured, it stands to reason that their psychosocial needs have …


Perceptions Of High Achieving High School Students Regarding The Professionalization Of Teaching And Their Interest In Becoming Teachers, Jonathan Crossley Dec 2021

Perceptions Of High Achieving High School Students Regarding The Professionalization Of Teaching And Their Interest In Becoming Teachers, Jonathan Crossley

ATU Theses and Dissertations 2021 - Present

This study was designed to highlight the factors that contribute to high-achieving high school students not deciding to join the teaching profession. There is growing evidence to indicate that the teaching profession is comprised mostly of educators in their first five years in the profession and educators with more than 25 years of teaching experience. Increasing numbers of educators are leaving the profession within their first five years in a classroom. On the other end of the spectrum, as teachers with more than 25 years of experience ultimately retire, the question remains about the viability of the profession for younger …


(R1514) Nano Continuous Mappings Via Nano M Open Sets, A. Vadivel, A. Padma, M. Saraswathi, G. Saravanakumar Dec 2021

(R1514) Nano Continuous Mappings Via Nano M Open Sets, A. Vadivel, A. Padma, M. Saraswathi, G. Saravanakumar

Applications and Applied Mathematics: An International Journal (AAM)

Nano M open sets are a union of nano θ semi open sets and nano δ pre open sets. The properties of nano M open sets with their interior and closure operators are discussed in a previous paper. In this paper, we discuss about nano M-continuous and nano M-irresolute functions are introduced in a nano topological spaces along with their continuous and irresolute mappings. Also, nano M-open and nano M-closed functions are introduced and compare with their near open and closed mappings in a nano topological spaces. Further, nano M homeomorphism is also discussed in nano …


Connecting The Dots: The Boons And Banes Of Network Modeling, Sharlee Climer Dec 2021

Connecting The Dots: The Boons And Banes Of Network Modeling, Sharlee Climer

Computer Science Faculty Works

Network modeling transforms data into a structure of nodes and edges such that edges represent relationships between pairs of objects, then extracts clusters of densely connected nodes in order to capture high-dimensional relationships hidden in the data. This efficient and flexible strategy holds potential for unveiling complex patterns concealed within massive datasets, but standard implementations overlook several key issues that can undermine research efforts. These issues range from data imputation and discretization to correlation metrics, clustering methods, and validation of results. Here, we enumerate these pitfalls and provide practical strategies for alleviating their negative effects. These guidelines increase …


Predicting Lifespan Of Drosophila Melanogaster: A Novel Application Of Convolutional Neural Networks And Zero-Inflated Autoregressive Conditional Poisson Model, Yi Zhang, V. A. Samaranayake, Gayla R. Olbricht, Matthew S. Thimgan Dec 2021

Predicting Lifespan Of Drosophila Melanogaster: A Novel Application Of Convolutional Neural Networks And Zero-Inflated Autoregressive Conditional Poisson Model, Yi Zhang, V. A. Samaranayake, Gayla R. Olbricht, Matthew S. Thimgan

Mathematics and Statistics Faculty Research & Creative Works

A model to classify the lifespan of Drosophila, the fruit fly, into short- and long-lived categories based on a sleep characteristic, extracted from activity data, is developed using a two-stage process. Stage 1 models the per-minute activity counts of each fly using a zero-inflated autoregressive conditional Poisson model. These probabilities are allowed to vary hourly, reflecting the circadian and other cycles present in a fly's sleep architecture. A 5-day moving window is used to model data allowing the model parameters to vary over the course of the fly's life. The resulting probabilities capture information about changes in sleep patterns with …


Generalization Of Mitrinović–Pečarić Inequalities On Time Scales, Ahmed A. El-Deeb, Elvan Akin, Billur Kaymakçalan Dec 2021

Generalization Of Mitrinović–Pečarić Inequalities On Time Scales, Ahmed A. El-Deeb, Elvan Akin, Billur Kaymakçalan

Mathematics and Statistics Faculty Research & Creative Works

We prove some new inequalities of Mitrinović–Pečarić inequalities for convex functions on an arbitrary time scale using delta integrals. These inequalities extend and improve some known dynamic inequalities in the literature. The main results will be proved by using Hölder and Jensen inequalities and a simple consequence of Keller's and Poetzsche's chain rules on time scales.


Application Of Upscaling Methods For Fluid Flow And Mass Transport In Multi-Scale Heterogeneous Media, Xiaoying Zhang, Funing Ma, Shangxian Yin, Corey D. Wallace, Mohamad Reza Soltanian, Zhenxue Dai, Robert W. Ritzi, Ziqi Ma, Chuanjun Zhan, Xiaoshu Lü Dec 2021

Application Of Upscaling Methods For Fluid Flow And Mass Transport In Multi-Scale Heterogeneous Media, Xiaoying Zhang, Funing Ma, Shangxian Yin, Corey D. Wallace, Mohamad Reza Soltanian, Zhenxue Dai, Robert W. Ritzi, Ziqi Ma, Chuanjun Zhan, Xiaoshu Lü

Earth and Environmental Sciences Faculty Publications

Physical and biogeochemical heterogeneity dramatically impacts fluid flow and reactive solute transport behaviors in geological formations across scales. From micro pores to regional reservoirs, upscaling has been proven to be a valid approach to estimate large-scale parameters by using data measured at small scales. Upscaling has considerable practical importance in oil and gas production, energy storage, carbon geologic sequestration, contamination remediation, and nuclear waste disposal. This review covers, in a comprehensive manner, the upscaling approaches available in the literature and their applications on various processes, such as advection, dispersion, matrix diffusion, sorption, and chemical reactions. We enclose newly developed approaches …


The Potential Of Remotely Sensed Vegetation Indices For Monitoring Pasture Condition, Pouria Ramzi, Karen Holmes Dec 2021

The Potential Of Remotely Sensed Vegetation Indices For Monitoring Pasture Condition, Pouria Ramzi, Karen Holmes

Resource management technical reports

The Department of Primary Industries and Regional Development (DPIRD) is developing an integrated monitoring system using remote sensing and on-ground measurements to track pasture condition across Western Australia’s pastoral region. We extended and adapted the methods developed in the Pastoral Lease Assessment Using Geospatial Analysis (PLAGA) project (Robinson et al. 2012), which combined remotely sensed vegetation indices (VIs) with on-ground pasture condition observations to assess the potential of using different vegetation indices in a statewide condition monitoring system.

There were 6 regions in WA’s pastoral rangelands with DPIRD on-ground condition traverse points: Kimberley and Broome, Pilbara, Yalgoo and Sandstone, Goldfields, …


(R1493) Discussion On Stability And Hopf-Bifurcation Of An Infected Prey Under Refuge And Predator, Moulipriya Sarkar, Tapasi Das Dec 2021

(R1493) Discussion On Stability And Hopf-Bifurcation Of An Infected Prey Under Refuge And Predator, Moulipriya Sarkar, Tapasi Das

Applications and Applied Mathematics: An International Journal (AAM)

The paper deals with the case of non-selective predation in a partially infected prey-predator system, where both the susceptible prey and predator follow the law of logistic growth and some preys avoid predation by hiding. The disease-free preys get infected in due course of time by a certain rate. However, the carrying capacity of the predator population is considered proportional to the sum-total of the susceptible and infected prey. The positivity and boundedness of the solutions of the system are studied and the existence of the equilibrium points and stability of the system are analyzed at these points. The effect …


(R1506) Generalized Cr3b Problem With Heterogeneous Primary And Secondary As Finite Straight Segment, Abdullah A. Ansari, K. R. Meena, K. Shalini Dec 2021

(R1506) Generalized Cr3b Problem With Heterogeneous Primary And Secondary As Finite Straight Segment, Abdullah A. Ansari, K. R. Meena, K. Shalini

Applications and Applied Mathematics: An International Journal (AAM)

The existence and stability of stationary points are investigated under the effects of heterogeneous primary having N-layers with different densities, radiating finite straight segment and the Coriolis as well as centrifugal forces in the frame of cr3bp. The equations of motion are determined with the help of which we evaluate five stationary points analytically as well as graphically, and examine their stability.


(R1494) Approximate Solutions Of The Telegraph Equation, Ilija Jegdić Dec 2021

(R1494) Approximate Solutions Of The Telegraph Equation, Ilija Jegdić

Applications and Applied Mathematics: An International Journal (AAM)

In this paper the initial boundary value problems for the linear telegraph equation in one and two space dimensions are considered. To find approximate solutions, a recently proposed optimization-free approach that utilizes artificial neural networks with one hidden layer is used, in which the connecting weights from the input layer to the hidden layer are chosen randomly and the weights from the hidden layer to the output layer are found by solving a system of linear equations. One of the advantages of this method, in comparison to the usual discretization methods for the two-dimensional linear telegraph equation, is that this …


Discrete Fractional Boundary Value Problems And Inequalities, Martin Bohner, Nick Fewster-Young Dec 2021

Discrete Fractional Boundary Value Problems And Inequalities, Martin Bohner, Nick Fewster-Young

Mathematics and Statistics Faculty Research & Creative Works

In this paper, a general nonlinear discrete fractional boundary value problem is considered, of order between one and two. The main result is an existence theorem, proving the existence of at least one solution to the boundary value problem, subject to validity of a certain key inequality that allows unrestricted growth in the problem. The proof of this existence theorem is accomplished by using Brouwer's fixed point theorem as well as two other main results of this paper, namely, first, a result showing that the solutions of the boundary value problem are exactly the solutions to a certain equivalent integral …


Estimating Average Treatment Effect On The Treated Via Sufficient Dimension Reduction, Lu Li, Wei Luo, Xuerong Meggie Wen, Zhou Yu Dec 2021

Estimating Average Treatment Effect On The Treated Via Sufficient Dimension Reduction, Lu Li, Wei Luo, Xuerong Meggie Wen, Zhou Yu

Mathematics and Statistics Faculty Research & Creative Works

In this paper, we propose to use sufficient dimension reduction (SDR) in conjunction with nonparametric techniques to estimate the average treatment effect on the treated (ATT), a parameter of common interest in causal inference. The proposed method is applicable under a general low-dimensional structure in the data and avoids both the risk of model misspecification and the "curse of dimensionality," for which it often outperforms the existing parametric and nonparametric methods. We develop the theoretical properties of the proposed method, including its asymptotic normality, its asymptotic super-efficiency, and its equivalent form as an augmented inverse probability weighting estimator. We also …


Oscillation And Nonoscillation Criteria For Four-Dimensional Advanced And Delay Time-Scale Systems, Elvan Akin, Gülşah Yenpi Dec 2021

Oscillation And Nonoscillation Criteria For Four-Dimensional Advanced And Delay Time-Scale Systems, Elvan Akin, Gülşah Yenpi

Mathematics and Statistics Faculty Research & Creative Works

We obtain oscillation and Non oscillation criteria for solutions to four-dimensional advanced and delay systems of first-order dynamic equations on time scales. To establish oscillation criteria, we eliminate Non oscillatory solutions of the systems based on the sign of components of the solutions. Furthermore, some of our results are new in the discrete case.


Software Training In Hep, Sudhir Malik, Samuel Meehan, Kilian Lieret, Meirin Oan Evans, Michel H. Villanueva, Daniel S. Katz, Graeme A. Stewart, Peter Elmer, Sizar Aziz, Matthew Bellis, Riccardo Maria Bianchi, Gianluca Bianco, Johan Sebastian Bonilla, Angela Burger, Jackson Burzynski, David Chamont, Matthew Feickert, Philipp Gadow, Bernhard Manfred Gruber Dec 2021

Software Training In Hep, Sudhir Malik, Samuel Meehan, Kilian Lieret, Meirin Oan Evans, Michel H. Villanueva, Daniel S. Katz, Graeme A. Stewart, Peter Elmer, Sizar Aziz, Matthew Bellis, Riccardo Maria Bianchi, Gianluca Bianco, Johan Sebastian Bonilla, Angela Burger, Jackson Burzynski, David Chamont, Matthew Feickert, Philipp Gadow, Bernhard Manfred Gruber

Faculty and Student Publications

The long-term sustainability of the high-energy physics (HEP) research software ecosystem is essential to the field. With new facilities and upgrades coming online throughout the 2020s, this will only become increasingly important. Meeting the sustainability challenge requires a workforce with a combination of HEP domain knowledge and advanced software skills. The required software skills fall into three broad groups. The first is fundamental and generic software engineering (e.g., Unix, version control, C++, and continuous integration). The second is knowledge of domain-specific HEP packages and practices (e.g., the ROOT data format and analysis framework). The third is more advanced knowledge involving …


Toi-2109: An Ultrahot Gas Giant On A 16 Hr Orbit, I. Wong, A. Shporer, G. Zhou, D. Kitzmann, T. D. Komacek, X. Tan, R. Tronsgaard, L. A. Buchhave, S. Vissapragada, M. Greklek-Mckeon, J. E. Rodriguez, J. P. Ahlers, S. N. Quinn, E. Furlan, S. B. Howell, A. Bieryla, K. Heng, H. A. Knutson, K. A. Collins, K. K. Mcleod, P. Berlind, P. Brown, M. L. Calkins, J. P. De Leon, E. Esparza-Borges, G. A. Esquerdo, A. Fukui, T. Gan, E. Girardin, C. L. Gnilka, M. Ikoma, Eric L.N. Jensen, J. Kielkopf, T. Kodama, S. Kurita, K. V. Lester, P. Lewin, G. Marino, F. Murgas, N. Narita, E. Pallé, R. P. Schwarz, K. G. Stassun, M. Tamura, N. Watanabe, B. Benneke, G. R. Ricker, D. W. Latham, R. Vanderspek, S. Seager, J. N. Winn, J. M. Jenkins, D. A. Caldwell, W. Fong, C. X. Huang, I. Mireles, J. E. Schlieder, B. Shiao, J. N. Villaseñor Dec 2021

Toi-2109: An Ultrahot Gas Giant On A 16 Hr Orbit, I. Wong, A. Shporer, G. Zhou, D. Kitzmann, T. D. Komacek, X. Tan, R. Tronsgaard, L. A. Buchhave, S. Vissapragada, M. Greklek-Mckeon, J. E. Rodriguez, J. P. Ahlers, S. N. Quinn, E. Furlan, S. B. Howell, A. Bieryla, K. Heng, H. A. Knutson, K. A. Collins, K. K. Mcleod, P. Berlind, P. Brown, M. L. Calkins, J. P. De Leon, E. Esparza-Borges, G. A. Esquerdo, A. Fukui, T. Gan, E. Girardin, C. L. Gnilka, M. Ikoma, Eric L.N. Jensen, J. Kielkopf, T. Kodama, S. Kurita, K. V. Lester, P. Lewin, G. Marino, F. Murgas, N. Narita, E. Pallé, R. P. Schwarz, K. G. Stassun, M. Tamura, N. Watanabe, B. Benneke, G. R. Ricker, D. W. Latham, R. Vanderspek, S. Seager, J. N. Winn, J. M. Jenkins, D. A. Caldwell, W. Fong, C. X. Huang, I. Mireles, J. E. Schlieder, B. Shiao, J. N. Villaseñor

Physics & Astronomy Faculty Works

We report the discovery of an ultrahot Jupiter with an extremely short orbital period of 0.67247414 ± 0.00000028 days (∼16 hr). The 1.347 ± 0.047 RJup planet, initially identified by the Transiting Exoplanet Survey Satellite (TESS) mission, orbits TOI-2109 (TIC 392476080)—a Teff ∼ 6500 K F-type star with a mass of 1.447 ± 0.077 M☉, a radius of 1.698 ± 0.060 R☉, and a rotational velocity of v sin i* = 81.9 ± 1.7 km s⁻¹. The planetary nature of TOI-2109b was confirmed through radial-velocity measurements, which yielded a planet mass of 5.02 …


Tic 172900988: A Transiting Circumbinary Planet Detected In One Sector Of Tess Data, V. B. Kostov, B. P. Powell, J. A. Orosz, W. F. Welsh, W. Cochran, K. A. Collins, M. Endl, C. Hellier, D. W. Latham, P. Macqueen, J. Pepper, B. Quarles, L. Sairam, G. Torres, R. F. Wilson, S. Bergeron, P. Boyce, A. Bieryla, R. Buchheim, C. B. Christiansen, D. R. Ciardi, K. I. Collins, D. M. Conti, S. Dixon, P. Guerra, N. Haghighipour, J. Herman, E. G. Hintz, W. S. Howard, Eric L.N. Jensen, J. F. Kielkopf, E. Kruse, N. M. Law, D. Martin, P. F. L. Maxted, B. T. Montet, F. Murgas, M. Nelson, G. Olmschenk, S. Otero, R. Quimby, M. Richmond, R. P. Schwarz, A. Shporer, K. G. Stassun, D. C. Stephens, A. H. M. J. Triaud, J. Ulowetz, B. S. Walter, E. Wiley, D. Wood, M. Yenawine, E. Agol, T. Barclay, T. G. Beatty, I. Boisse, D. A. Caldwell, J. Christiansen, K. D. Colón, M. Deleuil, L. Doyle, M. Fausnaugh, G. Fűrész, E. A. Gilbert, G. Hébrard, D. J. James, J. Jenkins, S. R. Kane, R. C. Kidwell Jr., R. Kopparapu, G. Li, J. J. Lissauer, M. B. Lund, S. R. Majewski, T. Mazeh, S. N. Quinn, E. Quintana, G. Ricker, J. E. Rodriguez, J. Rowe, A. Santerne, J. Schlieder, S. Seager, M. R. Standing, D. J. Stevens, E. B. Ting, R. Vanderspek, J. N. Winn Dec 2021

Tic 172900988: A Transiting Circumbinary Planet Detected In One Sector Of Tess Data, V. B. Kostov, B. P. Powell, J. A. Orosz, W. F. Welsh, W. Cochran, K. A. Collins, M. Endl, C. Hellier, D. W. Latham, P. Macqueen, J. Pepper, B. Quarles, L. Sairam, G. Torres, R. F. Wilson, S. Bergeron, P. Boyce, A. Bieryla, R. Buchheim, C. B. Christiansen, D. R. Ciardi, K. I. Collins, D. M. Conti, S. Dixon, P. Guerra, N. Haghighipour, J. Herman, E. G. Hintz, W. S. Howard, Eric L.N. Jensen, J. F. Kielkopf, E. Kruse, N. M. Law, D. Martin, P. F. L. Maxted, B. T. Montet, F. Murgas, M. Nelson, G. Olmschenk, S. Otero, R. Quimby, M. Richmond, R. P. Schwarz, A. Shporer, K. G. Stassun, D. C. Stephens, A. H. M. J. Triaud, J. Ulowetz, B. S. Walter, E. Wiley, D. Wood, M. Yenawine, E. Agol, T. Barclay, T. G. Beatty, I. Boisse, D. A. Caldwell, J. Christiansen, K. D. Colón, M. Deleuil, L. Doyle, M. Fausnaugh, G. Fűrész, E. A. Gilbert, G. Hébrard, D. J. James, J. Jenkins, S. R. Kane, R. C. Kidwell Jr., R. Kopparapu, G. Li, J. J. Lissauer, M. B. Lund, S. R. Majewski, T. Mazeh, S. N. Quinn, E. Quintana, G. Ricker, J. E. Rodriguez, J. Rowe, A. Santerne, J. Schlieder, S. Seager, M. R. Standing, D. J. Stevens, E. B. Ting, R. Vanderspek, J. N. Winn

Physics & Astronomy Faculty Works

We report the first discovery of a transiting circumbinary planet detected from a single sector of Transiting Exoplanet Survey Satellite (TESS) data. During Sector 21, the planet TIC 172900988b transited the primary star and then five days later it transited the secondary star. The binary is itself eclipsing, with a period P ≈ 19.7 days and an eccentricity e ≈ 0.45. Archival data from ASAS-SN, Evryscope, KELT, and SuperWASP reveal a prominent apsidal motion of the binary orbit, caused by the dynamical interactions between the binary and the planet. A comprehensive photodynamical analysis of the TESS, archival and follow-up data …


The Hashtag Project: The First Submillimeter Images Of The Andromeda Galaxy From The Ground, Matthew W.L. Smith, Stephen A. Eales, Thomas G. Williams, Bumhyun Lee, Zongnan Li, Pauline Barmby, Martin Bureau, Scott Chapman, Brian S. Cho, Aeree Chung, Eun Jung Chung, Hui Hsuan Chung, Christopher J.R. Clark, David L. Clements, Timothy A. Davis, Ilse De Looze, David J. Eden, Gayathri Athikkat-Eknath, George P. Ford, Yu Gao, Walter Gear, Haley L. Gomez, Richard De Grijs, Jinhua He, Luis C. Ho, Thomas M. Hughes, Sihan Jiao, Zhiyuan Li, Francisca Kemper Dec 2021

The Hashtag Project: The First Submillimeter Images Of The Andromeda Galaxy From The Ground, Matthew W.L. Smith, Stephen A. Eales, Thomas G. Williams, Bumhyun Lee, Zongnan Li, Pauline Barmby, Martin Bureau, Scott Chapman, Brian S. Cho, Aeree Chung, Eun Jung Chung, Hui Hsuan Chung, Christopher J.R. Clark, David L. Clements, Timothy A. Davis, Ilse De Looze, David J. Eden, Gayathri Athikkat-Eknath, George P. Ford, Yu Gao, Walter Gear, Haley L. Gomez, Richard De Grijs, Jinhua He, Luis C. Ho, Thomas M. Hughes, Sihan Jiao, Zhiyuan Li, Francisca Kemper

Physics and Astronomy Publications

Observing nearby galaxies with submillimeter telescopes on the ground has two major challenges. First, the brightness is significantly reduced at long submillimeter wavelengths compared to the brightness at the peak of the dust emission. Second, it is necessary to use a high-pass spatial filter to remove atmospheric noise on large angular scales, which has the unwelcome side effect of also removing the galaxy's large-scale structure. We have developed a technique for producing high-resolution submillimeter images of galaxies of large angular size by using the telescope on the ground to determine the small-scale structure (the large Fourier components) and a space …


Psl-An Expert System To Evaluate Degree Plans, Robert Swanson Dec 2021

Psl-An Expert System To Evaluate Degree Plans, Robert Swanson

Computer Science & Engineering Student Projects

This paper describes a general-purpose expert system to evaluate degree plans according to the individual preferences of a college student. This system implements a preference specification language (PSL) on top of this expert system to allow for the textual expression of certain requirements and preferences that the system uses for evaluation. The PSL evaluator produces a single value to describe how well it meets the student’s preferences, which a plan generation system could use to create a degree plan optimized according to the specification.


Deep Learning Strategies For Pool Boiling Heat Flux Prediction Using Image Sequences, Connor Heo Dec 2021

Deep Learning Strategies For Pool Boiling Heat Flux Prediction Using Image Sequences, Connor Heo

Graduate Theses and Dissertations

The understanding of bubble dynamics during boiling is critical to the design of advanced heater surfaces to improve the boiling heat transfer. The stochastic bubble nucleation, growth, and coalescence processes have made it challenging to obtain mechanistic models that can predict boiling heat flux based on the bubble dynamics. Traditional boiling image analysis relies on the extraction of the dominant physical quantities from the images and is thus limited to the existing knowledge of these quantities. Recently, machine-learning-aided analysis has shown success in boiling crisis detection, heat flux prediction, real-time image analysis, etc., whereas most of the existing studies are …


Investigating Depth Estimation To Archaeological Magnetic Source Bodies, Jeremy G. Menzer Dec 2021

Investigating Depth Estimation To Archaeological Magnetic Source Bodies, Jeremy G. Menzer

Graduate Theses and Dissertations

Magnetometry is the most widely applied archaeo-geophysical technique. Current practice standards employ the technique to map only in a two-dimensional plan view fashion, but in deep geologic studies depth estimators are routinely applied to magnetic datasets. These estimators provide three-dimensional information to magnetic source-bodies. There are many different depth estimators employed in geologic study that all require various degrees of processing complexity. This study investigates two mathematically simple techniques, half-width rules and multi-height methods. Half-width rules are likely the oldest depth estimators within the field while multi-height techniques are but a minor footnote in the literature. The applicability of these …


Community Perceptions And Aesthetic Valuation Of Remediation Gardens, Rachel Bechtold Dec 2021

Community Perceptions And Aesthetic Valuation Of Remediation Gardens, Rachel Bechtold

Graduate Theses and Dissertations

Creating successfully remediated landscapes may rely on both natural resources and human perception in landscape design. Urban areas present a dynamic environment wherein communities and nature compete for resources and space. This dissertation study was designed to better understand aesthetic perceptions of native plants capable of land remediation in midwestern communities. Findings from this study show the importance of aesthetic perceptions of stakeholders towards rehabilitated landscapes and the importance of organizing indicators for future design decisions in an interdisciplinary fashion. Recommendations include continued evaluation of aesthetic perceptions for plant species in urban landscapes and modeling a more consistent framework for …


Respiratory Compensated Robot For Liver Cancer Treatment: Design, Fabrication, And Benchtop Characterization, Mishek Jair Musa Dec 2021

Respiratory Compensated Robot For Liver Cancer Treatment: Design, Fabrication, And Benchtop Characterization, Mishek Jair Musa

Graduate Theses and Dissertations

Hepatocellular carcinoma (HCC) is one of the leading causes of cancer-related death in the world. Radiofrequency ablation (RFA) is an effective method for treating tumors less than 5 cm. However, manually placing the RFA needle at the site of the tumor is challenging due to the complicated respiratory induced motion of the liver. This paper presents the design, fabrication, and benchtop characterization of a patient mounted, respiratory compensated robotic needle insertion platform to perform percutaneous needle interventions. The robotic platform consists of a 4-DoF dual-stage cartesian platform used to control the pose of a 1-DoF needle insertion module. The active …