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2,025 results on '"Carpenter, L"'

1. Solid State Detectors and Tracking for Snowmass

Author

Affolder, A., Apresyan, A., Worm, S., Albrow, M., Ally, D., Ambrose, D., Anderssen, E., Apadula, N., Asenov, P., Armstrong, W., Artuso, M., Barbier, A., Barletta, P., Bauerdick, L., Berry, D., Bomben, M., Boscardin, M., Brau, J., Brooks, W., Breidenbach, M., Buckley, J., Cairo, V., Caputo, R., Carpenter, L., Centis-Vignali, M., Cerullo, M., Collu, A., Chlebana, F., Dalla-Betta, G. -F., Demarteau, M., Deptuch, G., Di Petrillo, K., D'Amen, G., Dragone, A., Fourches, N. T., Garcia-Sciveres, M., Giacomini, G., Gingu, C., Graf, N., Grace, C., Griso, S., Greiner, L., Haber, C., Haller, G., Harris, K., Heim, T., Heinz, U., Heller, R., Hedges, M. T., Herbst, R., Hoeferkamp, M. R., Holmes, T., Holland, S. E., Hsu, S. -C., Islam, R., Jadhav, M., Jindariani, S., Joosten, S., Jung, A., Karmarkar, S., Kenney, C., Kierans, C., Kim, J., Kim, S., Klein, S., Koshy, A., Krizka, K., Lai, A., Lee, L., Linssen, L., Lipton, R., Liu, T., Madrid, C., Mahajan, T., Markiewicz, T., Markovic, B., Mazza, S., Mazziotta, M., Mei, Y., Merkel, P., Metcalfe, J., Meziani, Z. -E., Minns, A., Moscatelli, F., Murat, P., Muth, J., Nachman, B., Nahn, S., Narain, M., Narayanan, E. A., Nelson, T., Nielsen, J., Oktyabrsky, S., Ott, J., Palomo, F. R., Passeri, D., Patti, R., Peltola, T., Pena, C., Peng, C., Renard, C., Reimer, P., Rogan, C., Rota, L., Sadrozinski, H., Segal, J., Schwartzman, A., Schumm, B., Scott, M., Seidel, S., Seiden, A., Sekely, B., Shi, X., Sichtermann, E., Sinev, N., Sonneveld, J., Spiegel, L., Steinhebel, A., Strom, D., Sultan, D. M. S., Sumant, A., Tokranov, V., Tricoli, A., Trischuk, W., Tumasyan, A., Uplegger, L., Vernieri, C., Wang, H., Wagenknecht, P., Weber, H., Xie, S., Yakimov, M., Ye, Z., Young, C., and Zurek, M.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

Tracking detectors are of vital importance for collider-based high energy physics (HEP) experiments. The primary purpose of tracking detectors is the precise reconstruction of charged particle trajectories and the reconstruction of secondary vertices. The performance requirements from the community posed by the future collider experiments require an evolution of tracking systems, necessitating the development of new techniques, materials and technologies in order to fully exploit their physics potential. In this article we summarize the discussions and conclusions of the 2022 Snowmass Instrumentation Frontier subgroup on Solid State and Tracking Detectors (Snowmass IF03)., Comment: for the Snowmass Instrumentation Frontier Solid State Detector and Tracking community

Published
2022

2. Muon Collider Forum Report

Author

Black, K. M., Jindariani, S., Li, D., Maltoni, F., Meade, P., Stratakis, D., Acosta, D., Agarwal, R., Agashe, K., Aime, C., Ally, D., Apresyan, A., Apyan, A., Asadi, P., Athanasakos, D., Bao, Y., Barzi, E., Bartosik, N., Bauerdick, L. A. T., Beacham, J., Belomestnykh, S., Berg, J. S., Berryhill, J., Bertolin, A., Bhat, P. C., Biagini, M. E., Bloom, K., Bose, T., Bross, A., Brost, E., Bruhwiler, N., Buonincontri, L., Buttazzo, D., Candelise, V., Canepa, A., Carpenter, L., Casarsa, M., Celiberto, F., Cesarotti, C., Chachamis, G., Chacko, Z., Chang, P., Chekanov, S. V., Chen, T. Y., Chiesa, M., Cohen, T., Costa, M., Craig, N., Crivellin, A., Curatolo, C., Curtin, D., Da Molin, G., Dasu, S., de Gouvea, A., Denisov, D., Dermisek, R., Di Petrillo, K. F., Dorigo, T., Duarte, J. M., Elvira, V. D., Essig, R., Everaerts, P., Fan, J., Felcini, M., Fiore, G., Fiorina, D., Forslund, M., Franceschini, R., Garzelli, M. V., Gerber, C. E., Giambastiani, L., Giove, D., Guiducci, S., Han, T., Hermanek, K., Herwig, C., Hirschauer, J., Holmes, T. R., Homiller, S., Horyn, L. A., Ivanov, A., Jayatilaka, B., Jia, H., Jung, C. K., Kahn, Y., Kaplan, D. M., Kaur, M., Kawale, M., Koppenburg, P., Krintiras, G., Krizka, K., Kuchma, B., Lee, L., Li, L., Li, P., Li, Q., Li, W., Lipton, R., Liu, Z., Lomte, S., Lu, Q., Lucchesi, D., Luo, T., Lyu, K., Ma, Y., Machado, P. A. N., Madrid, C., Mahon, D. J., Mazzacane, A., McGinnis, N., McLean, C., Mele, B., Meloni, F., Middleton, S. C., Mishra, R. K., Mokhov, N., Montella, A., Morandin, M., Nagaitsev, S., Nardi, F., Neubauer, M. S., Neuffer, D. V., Newman, H., Ogaz, R., Ojalvo, I., Oksuzian, I., Orimoto, T., Ozek, B., Pachal, K., Griso, S. Pagan, Panci, P., Papadimitriou, V., Pastrone, N., Pedro, K., Pellemoine, F., Perloff, A., Pinna, D., Piccinini, F., Pleier, Marc-Andre, Posen, S., Potamianos, K., Rappoccio, S., Reece, M., Reina, L., Hall, A. Reinsvold, Riccardi, C., Ristori, L., Robens, T., Ruiz, R., Sala, P., Schulte, D., Sestini, L., Shiltsev, V., Snopok, P., Stark, G., Stupak III, J., Su, S ., Sundrum, R., Swiatlowski, M., Syphers, M. J., Taffard, A., Thompson, W., Torun, Y., Tully, C. G., Vai, I., Valente, M., van Rienen, U., van Weelderen, R., Velev, G., Venkatasubramanian, N., Vittorio, L., Vuosalo, C., Wang, X., Weber, H., Wu, R., Wu, Y., Wulzer, A., Xie, K., Xie, S., Yohay, R., Yonehara, K., Yu, F., Zlobin, A. V., Zuliani, D., and Zurita, J.

Subjects
High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract

A multi-TeV muon collider offers a spectacular opportunity in the direct exploration of the energy frontier. Offering a combination of unprecedented energy collisions in a comparatively clean leptonic environment, a high energy muon collider has the unique potential to provide both precision measurements and the highest energy reach in one machine that cannot be paralleled by any currently available technology. The topic generated a lot of excitement in Snowmass meetings and continues to attract a large number of supporters, including many from the early career community. In light of this very strong interest within the US particle physics community, Snowmass Energy, Theory and Accelerator Frontiers created a cross-frontier Muon Collider Forum in November of 2020. The Forum has been meeting on a monthly basis and organized several topical workshops dedicated to physics, accelerator technology, and detector R&D. Findings of the Forum are summarized in this report.

Published
2022

3. Strategies for Beam-Induced Background Reduction at Muon Colliders

Author

Ally, D., Carpenter, L., Holmes, T., Lee, L., and Wagenknecht, P.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

Future collider detectors at muon colliders will be bombarded by Beam-Induced Backgrounds (BIB) due to the in-flight muon decays from the beam line. These backgrounds can inhibit the ability of the detector and subsequent data analysis to successfully reconstruct collision products. We explore methods for geometrically reducing these effects for use in the readout, triggering, and data analysis of future experiments. Studies are performed for a collision energy of 1.5~TeV, and a detector with a tungsten nozzle designed to block the majority of the BIB. In this context, detector strategies are explored to further reduce the BIB, with a focus on the innermost layers of the tracker where its density is highest. In addition, a conceptual design of a calorimeter built to reject BIB is presented., Comment: 11 pages, contribution to Snowmass 2021

Published
2022

4. Defining in Detail and Evaluating Reliability of DSM-5 Criteria for Autism Spectrum Disorder (ASD) among Children

Author

Rice, C. E., Carpenter, L. A., Morrier, M. J., Lord, C., DiRienzo, M., Boan, A., Skowyra, C., Fusco, A., Baio, J., Esler, A., Zahorodny, W., Hobson, N., Mars, A., Thurm, A., Bishop, S., and Wiggins, L. D.

Abstract

This paper describes a process to define a comprehensive list of exemplars for seven core Diagnostic and Statistical Manual (DSM) diagnostic criteria for autism spectrum disorder (ASD), and report on interrater reliability in applying these exemplars to determine ASD case classification. Clinicians completed an iterative process to map specific exemplars from the CDC Autism and Developmental Disabilities Monitoring (ADDM) Network criteria for ASD surveillance, DSM-5 text, and diagnostic assessments to each of the core DSM-5 ASD criteria. Clinicians applied the diagnostic exemplars to child behavioral descriptions in existing evaluation records to establish initial reliability standards and then for blinded clinician review in one site (phase 1) and for two ADDM Network surveillance years (phase 2). Interrater reliability for each of the DSM-5 diagnostic categories and overall ASD classification was high (defined as very good 0.60-0.79 to excellent [greater than or equal to] 0.80 Kappa values) across sex, race/ethnicity, and cognitive levels for both phases. Classification of DSM-5 ASD by mapping specific exemplars from evaluation records by a diverse group of clinician raters is feasible and reliable. This framework provides confidence in the consistency of prevalence classifications of ASD and may be further applied to improve consistency of ASD diagnoses in clinical settings.

Published
2022
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5. First direct measurement of $^{22}$Mg($\alpha$,p)$^{25}$Al and implications for X-ray burst model-observation comparisons

Author

Randhawa, J. S., Ayyad, Y., Mittig, W., Meisel, Z., Ahn, T., Aguilar, S., Alvarez-Pol, H., Bardayan, D. W., Bazin, D., Beceiro-Novo, S., Carpenter, L., Cortesi, M., Cortina-Gil, D., Blankstein, D., Gastis, P., Hall, M., Henderson, S., Kolata, J. J., Mijatovic, T., Ndayisabye, F., Malley, P. O, Pereira, J., Pierre, A., Robert, H., Santamaria, C., Schatz, H., Smith, J., Watwood, N., and Zamora, J. C.

Subjects
Nuclear Experiment
Abstract

Type-I X-ray burst (XRB) light curves are sensitive to the model's nuclear input and consequently affects the model-observation comparisons. $^{22}$Mg($\alpha$,p)$^{25}$Al is among the most important reactions which directly impact the XRB light curve. We report the first direct measurement of $^{22}$Mg($\alpha$,p)$^{25}$Al using the Active Target Time Projection Chamber. XRB light curve model-observation comparison for the source $\tt{GS 1826-24}$ using new reaction rate implies a less-compact neutron star than previously inferred. Additionally, our result removes an important uncertainty in XRB model calculations that previously hindered extraction of the neutron star compactness.

Published
2020
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6. Scale setting the Möbius domain wall fermion on gradient-flowed HISQ action using the omega baryon mass and the gradient-flow scales t0 and w0

Author

Miller, N, Carpenter, L, Berkowitz, E, Chang, CC, Hörz, B, Howarth, D, Monge-Camacho, H, Rinaldi, E, Brantley, DA, Körber, C, Bouchard, C, Clark, MA, Gambhir, AS, Monahan, CJ, Nicholson, A, Vranas, P, and Walker-Loud, A

Subjects
hep-lat, hep-ph, nucl-th
Abstract

We report on a subpercent scale determination using the omega baryon mass and gradient-flow methods. The calculations are performed on 22 ensembles of Nf=2+1+1 highly improved, rooted staggered sea-quark configurations generated by the MILC and CalLat Collaborations. The valence quark action used is Möbius domain wall fermions solved on these configurations after a gradient-flow smearing is applied with a flowtime of tgf=1 in lattice units. The ensembles span four lattice spacings in the range 0.06a0.15 fm, six pion masses in the range 130mπ400 MeV and multiple lattice volumes. On each ensemble, the gradient-flow scales t0/a2 and w0/a and the omega baryon mass amω are computed. The dimensionless product of these quantities is then extrapolated to the continuum and infinite volume limits and interpolated to the physical light, strange and charm quark mass point in the isospin limit, resulting in the determination of t0=0.1422(14) fm and w0=0.1709(11) fm with all sources of statistical and systematic uncertainty accounted for. The dominant uncertainty in both results is the stochastic uncertainty, though for t0 there are comparable continuum extrapolation uncertainties. For w0, there is a clear path for a few-per-mille uncertainty just through improved stochastic precision, as recently obtained by the Budapest-Marseille-Wuppertal Collaboration.

Published
2021

7. Beam induced space-charge effects in Time Projection Chambers in low-energy nuclear physics experiments

Author

Randhawa, J. S., Cortesi, M., Ayyad, Y., Mittig, W., Ahn, T., Bazin, D., Beceiro-Novo, S., Carpenter, L., Cook, K. J., Dasgupta, M., Henderson, S., Hinde, D. J., Kolata, J. J., Sammut, J., Santamaria, C., Watwood, N., and Yeck, A.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

Tracking capabilities in Time Projection Chambers (TPCs) are strongly dictated by the homogeneity of the drift field. Ion back-flow in various gas detectors, mainly induced by the secondary ionization processes during amplification, has long been known as a source of drift field distortion. Here, we report on beam-induced space-charge effects from the primary ionization process in the drift region in low-energy nuclear physics experiment with Active Target Time Projection Chamber (AT-TPC). A qualitative explanation of the observed effects is provided using detailed electron transport simulations. As ion mobility is a crucial factor in the space-charge effects, the need for a careful optimization of gas properties is highlighted. The impact of track distortion on tracking algorithm performance is also discussed.

Published
2019
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8. First Direct Measurement of Mg22(α,p)Al25 and Implications for X-Ray Burst Model-Observation Comparisons

Author

Randhawa, JS, Ayyad, Y, Mittig, W, Meisel, Z, Ahn, T, Aguilar, S, Alvarez-Pol, H, Bardayan, DW, Bazin, D, Beceiro-Novo, S, Blankstein, D, Carpenter, L, Cortesi, M, Cortina-Gil, D, Gastis, P, Hall, M, Henderson, S, Kolata, JJ, Mijatovic, T, Ndayisabye, F, O’Malley, P, Pereira, J, Pierre, A, Robert, H, Santamaria, C, Schatz, H, Smith, J, Watwood, N, and Zamora, JC

Subjects
Nuclear and Plasma Physics, Astronomical Sciences, Synchrotrons and Accelerators, Physical Sciences, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

Type-I x-ray bursts can reveal the properties of an accreting neutron star system when compared with astrophysics model calculations. However, model results are sensitive to a handful of uncertain nuclear reaction rates, such as ^{22}Mg(α,p). We report the first direct measurement of ^{22}Mg(α,p), performed with the Active Target Time Projection Chamber. The corresponding astrophysical reaction rate is orders of magnitude larger than determined from a previous indirect measurement in a broad temperature range. Our new measurement suggests a less-compact neutron star in the source GS1826-24.

Published
2020

9. First Direct Measurement of ^{22}Mg(α,p)^{25}Al and Implications for X-Ray Burst Model-Observation Comparisons.

Author

Randhawa, JS, Ayyad, Y, Mittig, W, Meisel, Z, Ahn, T, Aguilar, S, Alvarez-Pol, H, Bardayan, DW, Bazin, D, Beceiro-Novo, S, Blankstein, D, Carpenter, L, Cortesi, M, Cortina-Gil, D, Gastis, P, Hall, M, Henderson, S, Kolata, JJ, Mijatovic, T, Ndayisabye, F, O'Malley, P, Pereira, J, Pierre, A, Robert, H, Santamaria, C, Schatz, H, Smith, J, Watwood, N, and Zamora, JC

Subjects
General Physics, Mathematical Sciences, Physical Sciences, Engineering
Abstract

Type-I x-ray bursts can reveal the properties of an accreting neutron star system when compared with astrophysics model calculations. However, model results are sensitive to a handful of uncertain nuclear reaction rates, such as ^{22}Mg(α,p). We report the first direct measurement of ^{22}Mg(α,p), performed with the Active Target Time Projection Chamber. The corresponding astrophysical reaction rate is orders of magnitude larger than determined from a previous indirect measurement in a broad temperature range. Our new measurement suggests a less-compact neutron star in the source GS1826-24.

Published
2020

10. Dark Matter benchmark models for early LHC Run-2 Searches: Report of the ATLAS/CMS Dark Matter Forum

Author

Abercrombie, D, Akchurin, N, Akilli, E, Maestre, JA, Allen, B, Gonzalez, BA, Andrea, J, Arbey, A, Azuelos, G, Azzi, P, Backović, M, Bai, Y, Banerjee, S, Beacham, J, Belyaev, A, Boveia, A, Brennan, AJ, Buchmueller, O, Buckley, MR, Busoni, G, Buttignol, M, Cacciapaglia, G, Caputo, R, Carpenter, L, Castro, NF, Ceballos, GG, Cheng, Y, Chou, JP, Gonzalez, AC, Cowden, C, D'Eramo, F, De Cosa, A, De Gruttola, M, De Roeck, A, De Simone, A, Deandrea, A, Demiragli, Z, DiFranzo, A, Doglioni, C, du Pree, T, Erbacher, R, Erdmann, J, Fischer, C, Flaecher, H, Fox, PJ, Fuks, B, Genest, MH, Gomber, B, Goudelis, A, Gramling, J, Gunion, J, Hahn, K, Haisch, U, Harnik, R, Harris, PC, Hoepfner, K, Hoh, SY, Hsu, DG, Hsu, SC, Iiyama, Y, Ippolito, V, Jacques, T, Ju, X, Kahlhoefer, F, Kalogeropoulos, A, Kaplan, LS, Kashif, L, Khoze, VV, Khurana, R, Kotov, K, Kovalskyi, D, Kulkarni, S, Kunori, S, Kutzner, V, Lee, HM, Lee, SW, Liew, SP, Lin, T, Lowette, S, Madar, R, Malik, S, Maltoni, F, Perez, MM, Mattelaer, O, Mawatari, K, McCabe, C, Megy, T, Morgante, E, Mrenna, S, Moon, CS, Narayanan, SM, Nelson, A, Novaes, SF, Padeken, KO, Pani, P, Papucci, M, Paulini, M, Paus, C, Pazzini, J, and Penning, B

Subjects
Dark Matter, Simplified models, EFT, LHC, hep-ex, hep-ph, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

This document is the final report of the ATLAS-CMS Dark Matter Forum, a forum organized by the ATLAS and CMS collaborations with the participation of experts on theories of Dark Matter, to select a minimal basis set of dark matter simplified models that should support the design of the early LHC Run-2 searches. A prioritized, compact set of benchmark models is proposed, accompanied by studies of the parameter space of these models and a repository of generator implementations. This report also addresses how to apply the Effective Field Theory formalism for collider searches and present the results of such interpretations.

Published
2020

17. Muon Collider Forum report

Author

Black, K.M., primary, Jindariani, S., additional, Li, D., additional, Maltoni, F., additional, Meade, P., additional, Stratakis, D., additional, Acosta, D., additional, Agarwal, R., additional, Agashe, K., additional, Aimè, C., additional, Ally, D., additional, Apresyan, A., additional, Apyan, A., additional, Asadi, P., additional, Athanasakos, D., additional, Bao, Y., additional, Bartosik, N., additional, Barzi, E., additional, Bauerdick, L.A.T., additional, Beacham, J., additional, Belomestnykh, S., additional, Berg, J.S., additional, Berryhill, J., additional, Bertolin, A., additional, Bhat, P.C., additional, Biagini, M.E., additional, Bloom, K., additional, Bose, T., additional, Bross, A., additional, Brost, E., additional, Bruhwiler, N., additional, Buonincontri, L., additional, Buttazzo, D., additional, Candelise, V., additional, Canepa, A., additional, Capdevilla, R., additional, Carpenter, L., additional, Casarsa, M., additional, Celiberto, F., additional, Cesarotti, C., additional, Chachamis, G., additional, Chacko, Z., additional, Chang, P., additional, Chekanov, S.V., additional, Chen, T.Y., additional, Chiesa, M., additional, Cohen, T., additional, Costa, M., additional, Craig, N., additional, Crivellin, A., additional, Curatolo, C., additional, Curtin, D., additional, Da Molin, G., additional, Dasu, S., additional, de Gouvêa, A., additional, Denisov, D., additional, Dermisek, R., additional, Di Petrillo, K.F., additional, Dorigo, T., additional, Duarte, J.M., additional, Elvira, V.D., additional, Essig, R., additional, Everaerts, P., additional, Fan, J., additional, Felcini, M., additional, Fiore, G., additional, Fiorina, D., additional, Forslund, M., additional, Franceschini, R., additional, Garzelli, M.V., additional, Gerber, C.E., additional, Giambastiani, L., additional, Giove, D., additional, Guiducci, S., additional, Han, T., additional, Hermanek, K., additional, Herwig, C., additional, Hirschauer, J., additional, Holmes, T.R., additional, Homiller, S., additional, Horyn, L.A., additional, Ivanov, A., additional, Jayatilaka, B., additional, Jia, H., additional, Jung, C.K., additional, Kahn, Y., additional, Kaplan, D.M., additional, Kaur, M., additional, Kawale, M., additional, Koppenburg, P., additional, Krintiras, G., additional, Krizka, K., additional, Kuchma, B., additional, Lee, L., additional, Li, L., additional, Li, P., additional, Li, Q., additional, Li, W., additional, Lipton, R., additional, Liu, Z., additional, Lomte, S., additional, Lu, Q., additional, Lucchesi, D., additional, Luo, T., additional, Lyu, K., additional, Ma, Y., additional, Machado, P.A.N., additional, Madrid, C., additional, Mahon, D.J., additional, Mazzacane, A., additional, McGinnis, N., additional, McLean, C., additional, Mele, B., additional, Meloni, F., additional, Middleton, S.C., additional, Mishra, R.K., additional, Mokhov, N., additional, Montella, A., additional, Morandin, M., additional, Nagaitsev, S., additional, Nardi, F., additional, Neubauer, M.S., additional, Neuffer, D.V., additional, Newman, H., additional, Ogaz, R., additional, Ojalvo, I., additional, Oksuzian, I., additional, Orimoto, T., additional, Ozek, B., additional, Pachal, K., additional, Pagan Griso, S., additional, Panci, P., additional, Papadimitriou, V., additional, Pastrone, N., additional, Pedro, K., additional, Pellemoine, F., additional, Perloff, A., additional, Pinna, D., additional, Piccinini, F., additional, Pleier, Marc-André, additional, Posen, S., additional, Potamianos, K., additional, Rappoccio, S., additional, Reece, M., additional, Reina, L., additional, Reinsvold Hall, A., additional, Riccardi, C., additional, Ristori, L., additional, Robens, T., additional, Ruiz, R., additional, Sala, P., additional, Schulte, D., additional, Sestini, L., additional, Shiltsev, V., additional, Snopok, P., additional, Stark, G., additional, Stupak III, J., additional, Su, S., additional, Sundrum, R., additional, Swiatlowski, M., additional, Syphers, M.J., additional, Taffard, A., additional, Thompson, W., additional, Torun, Y., additional, Tully, C.G., additional, Vai, I., additional, Valente, M., additional, van Rienen, U., additional, van Weelderen, R., additional, Velev, G., additional, Venkatasubramanian, N., additional, Vittorio, L., additional, Vuosalo, C., additional, Wang, X., additional, Weber, H., additional, Wu, R., additional, Wu, Y., additional, Wulzer, A., additional, Xie, K., additional, Xie, S., additional, Yohay, R., additional, Yonehara, K., additional, Yu, F., additional, Zlobin, A.V., additional, Zuliani, D., additional, and Zurita, J., additional

Published
2024
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25. GET: A generic electronics system for TPCs and nuclear physics instrumentation

Author

Pollacco, E.C., Grinyer, G.F., Abu-Nimeh, F., Ahn, T., Anvar, S., Arokiaraj, A., Ayyad, Y., Baba, H., Babo, M., Baron, P., Bazin, D., Beceiro-Novo, S., Belkhiria, C., Blaizot, M., Blank, B., Bradt, J., Cardella, G., Carpenter, L., Ceruti, S., De Filippo, E., Delagnes, E., De Luca, S., De Witte, H., Druillole, F., Duclos, B., Favela, F., Fritsch, A., Giovinazzo, J., Gueye, C., Isobe, T., Hellmuth, P., Huss, C., Lachacinski, B., Laffoley, A.T., Lebertre, G., Legeard, L., Lynch, W.G., Marchi, T., Martina, L., Maugeais, C., Mittig, W., Nalpas, L., Pagano, E.V., Pancin, J., Poleshchuk, O., Pedroza, J.L., Pibernat, J., Primault, S., Raabe, R., Raine, B., Rebii, A., Renaud, M., Roger, T., Roussel-Chomaz, P., Russotto, P., Saccà, G., Saillant, F., Sizun, P., Suzuki, D., Swartz, J.A., Tizon, A., Trifiró, A., Usher, N., Wittwer, G., and Yang, J.C.

Published
2018
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26. Factors Associated with Self-Injurious Behaviors in Children with Autism Spectrum Disorder: Findings from Two Large National Samples

Author

Soke, G. N., Rosenberg, S. A., Hamman, R. F., Fingerlin, T., Rosenberg, C. R., Carpenter, L., Lee, L. C., Giarelli, E., Wiggins, L. D., Durkin, M. S., Reynolds, A., and DiGuiseppi, C.

Abstract

In this study, we explored potential associations among self-injurious behaviors (SIB) and a diverse group of protective and risk factors in children with autism spectrum disorder from two databases: Autism and Developmental Disabilities Monitoring (ADDM) Network and the Autism Speaks-Autism Treatment Network (AS-ATN). The presence of SIB was determined from children's records in ADDM and a parent questionnaire in AS-ATN. We used multiple imputation to account for missing data and a non-linear mixed model with site as a random effect to test for associations. Despite differences between the two databases, similar associations were found; SIB were associated with developmental, behavioral, and somatic factors. Implications of these findings are discussed in relation to possible etiology, future longitudinal studies, and clinical practice.

Published
2017
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27. D0 Data Handling Operational Experience

Author

Baranovski, A., Brock, C., Bonham, D., Carpenter, L., Lueking, L., Merritt, W., Moore, C., Terekhov, I., Trumbo, J., Veseli, S., Weigand, J., White, S., and Yip, K.

Subjects
Computer Science - Distributed, Parallel, and Cluster Computing, Computer Science - Artificial Intelligence, H.3
Abstract

We report on the production experience of the D0 experiment at the Fermilab Tevatron, using the SAM data handling system with a variety of computing hardware configurations, batch systems, and mass storage strategies. We have stored more than 300 TB of data in the Fermilab Enstore mass storage system. We deliver data through this system at an average rate of more than 2 TB/day to analysis programs, with a substantial multiplication factor in the consumed data through intelligent cache management. We handle more than 1.7 Million files in this system and provide data delivery to user jobs at Fermilab on four types of systems: a reconstruction farm, a large SMP system, a Linux batch cluster, and a Linux desktop cluster. In addition, we import simulation data generated at 6 sites worldwide, and deliver data to jobs at many more sites. We describe the scope of the data handling deployment worldwide, the operational experience with this system, and the feedback of that experience., Comment: Talk from the 2003 Computing in High Energy and Nuclear Physics (CHEP03), La Jolla, Ca, USA, March 2003, 6 pages. PSN MOKT002

Published
2003

28. Global sea-to-air flux climatology for bromoform, dibromomethane and methyl iodide

Author

Ziska, F., Quack, B., Abrahamsson, K., Archer, S. D, Atlas, E., Bell, T., Butler, J. H, Carpenter, L. J, Jones, C. E, Harris, N. R. P, Hepach, H., Heumann, K. G, Hughes, C., Kuss, J., Krüger, K., Liss, P., Moore, R. M, Orlikowska, A., Raimund, S., Reeves, C. E, Reifenhäuser, W., Robinson, A. D, Schall, C., Tanhua, T., Tegtmeier, S., Turner, S., Wang, L., Wallace, D., Williams, J., Yamamoto, H., Yvon-Lewis, S., and Yokouchi, Y.

Subjects
Marine Boundary-Layer, Halogenated Organic-Compounds, Tropical Tropopause Layer, Atlantic-Ocean, Wind-Speed, Photochemical Production, Phytoplankton Cultures, Stratospheric Bromine, Ozone Depletion, Gas-Exchange
Published
2013

30. HOCl and Cl2 observations in marine air

Author

Lawler, M. J, Sander, R., Carpenter, L. J, Lee, J. D, von Glasow, R., Sommariva, R., and Saltzman, E. S

Subjects
atmospheric chemistry, boundary layer, chlorine, marine atmosphere, methane, numerical model, open ocean, photochemistry, troposphere
Abstract

Cl atoms in the marine atmosphere may significantly impact the lifetimes of methane and other hydrocarbons. However, the existing estimates of Cl atom levels in marine air are based on indirect evidence. Here we present measurements of the Cl precursors HOCl and Cl2 in the marine boundary layer during June of 2009 at the Cape Verde Atmospheric Observatory in the eastern tropical Atlantic. These are the first measurements of tropospheric HOCl. HOCl and Cl2 levels were low in air with open ocean back trajectories, with maximum levels always below 60 and 10 ppt (pmol/mol), respectively. In air with trajectories originating over Europe, HOCl and Cl2 levels were higher, with HOCl maxima exceeding 100 ppt each day and Cl2 reaching up to 35 ppt. The increased Cl cycling associated with long distance pollutant transport over the oceans likely impacts a wide geographic area and represents a mechanism by which human activities have increased the reactivity of the marine atmosphere. Data-constrained model simulations indicate that Cl atoms account for approximately 15 % of methane destruction on days when aged polluted air arrives at the site. A photochemical model does not adequately simulate the observed abundances of HOCl and Cl2, raising the possibility of an unknown HOCl source.

Published
2011

31. The chemistry of OH and HO2 radicals in the boundary layer over the tropical Atlantic Ocean

Author

Whalley, L. K, Furneaux, K. L, Goddard, A., Lee, J. D, Mahajan, A., Oetjen, H., Read, K. A, Kaaden, N., Carpenter, L. J, Lewis, A. C, Plane, J. M. C, Saltzman, E. S, Wiedensohler, A., and Heard, D. E

Subjects
Pacific exploratory mission, sea-salt aerosol, clean marine air, pem-tropics, gas-phase, ozone photochemistry, organic-compounds, iodine chemistry, peroxy-radicals, transport model
Published
2010

32. Reactive Halogens in the Marine Boundary Layer (RHaMBLe): the tropical North Atlantic experiments

Author

Lee, J. D, McFiggans, G., Allan, J. D, Baker, A. R, Ball, S. M, Benton, A. K, Carpenter, L. J, Commane, R., Finley, B. D, Evans, M., Fuentes, E., Furneaux, K., Goddard, A., Good, N., Hamilton, J. F, Heard, D. E, Herrmann, H., Hollingsworth, A., Hopkins, J. R, Ingham, T., Irwin, M., Jones, C. E, Jones, R. L, Keene, W. C, Lawler, M. J, Lehmann, S., Lewis, A. C, Long, M. S, Mahajan, A., Methven, J., Moller, S. J, Müller, K., Müller, T., Niedermeier, N., O'Doherty, S., Oetjen, H., Plane, J. M. C, Pszenny, A. A. P, Read, K. A, Saiz-Lopez, A., Saltzman, E. S, Sander, R., von Glasow, R., Whalley, L., Wiedensohler, A., and Young, D.

Subjects
sea-salt aerosol, nonmethane hydrocarbons, ozone destruction, doas measurements, iodine chemistry, eastern atlantic, indian-ocean, mace head, troposphere, bromine
Published
2010

33. COORDINATED AIRBORNE STUDIES IN THE TROPICS (CAST)

Author

Harris, N. R. P., Carpenter, L. J., Lee, J. D., Vaughan, G., Filus, M. T., Jones, R. L., OuYang, B., Pyle, J. A., Robinson, A. D., Andrews, S. J., Lewis, A. C., Minaeian, J., Vaughan, A., Dorsey, J. R., Gallagher, M. W., Le Breton, M., Newton, R., Percival, C. J., Ricketts, H. M. A., Bauguitte, S. J.-B., Nott, G. J., Wellpott, A., Ashfold, M. J., Flemming, J., Butler, R., Palmer, P. I., Kaye, P. H., Stopford, C., Chemel, C., Boesch, H., Humpage, N., Vick, A., MacKenzie, A. R., Hyde, R., Angelov, P., Meneguz, E., and Manning, A. J.

Published
2017

34. THE CONVECTIVE TRANSPORT OF ACTIVE SPECIES IN THE TROPICS (CONTRAST) EXPERIMENT

Author

Pan, L. L., Atlas, E. L., Salawitch, R. J., Honomichl, S. B., Bresch, J. F., Randel, W. J., Apel, E. C., Hornbrook, R. S., Weinheimer, A. J., Anderson, D. C., Andrews, S. J., Baidar, S., Beaton, S. P., Campos, T. L., Carpenter, L. J., Chen, D., Dix, B., Donets, V., Hall, S. R., Hanisco, T. F., Homeyer, C. R., Huey, L. G., Jensen, J. B., Kaser, L., Kinnison, D. E., Koenig, T. K., Lamarque, J.-F., Liu, C., Luo, J., Luo, Z. J., Montzka, D. D., Nicely, J. M., Pierce, R. B., Riemer, D. D., Robinson, T., Romashkin, P., Saiz-Lopez, A., Schauffler, S., Shieh, O., Stell, M. H., Ullmann, K., Vaughan, G., Volkamer, R., and Wolfe, G.

Published
2017

37. Infection with Kaposi's sarcoma-associated herpesvirus (KSHV) and human immunodeficiency virus (HIV) in relation to the risk and clinical presentation of Kaposi's sarcoma in Uganda

Author

Newton, R, Ziegler, J, Bourboulia, D, Casabonne, D, Beral, V, Mbidde, E, Carpenter, L, Parkin, DM, Wabinga, H, Mbulaiteye, S, Jaffe, H, Weiss, R, and Boshoff, C

Subjects
Cancer, HIV/AIDS, Emerging Infectious Diseases, Rare Diseases, Infectious Diseases, Pediatric, Aetiology, 2.1 Biological and endogenous factors, Infection, Adolescent, Adult, Antibodies, Viral, Case-Control Studies, Female, HIV Infections, Herpesvirus 8, Human, Humans, Male, Risk Factors, Sarcoma, Kaposi, Seroepidemiologic Studies, Severity of Illness Index, Uganda, Oncology and Carcinogenesis, Public Health and Health Services, Oncology & Carcinogenesis
Abstract

A case-control study from Uganda found that the risk of Kaposi's sarcoma increased with increasing titre of antibodies against Kaposi's sarcoma-associated herpesvirus (KSHV) latent nuclear antigens, independently of HIV infection. Clinically, widespread Kaposi's sarcoma was more frequent among patients with HIV infection than in those without, but was not related to anti-KSHV antibody titres.

Published
2003

48. LHC Dark Matter Working Group: Next-generation spin-0 dark matter models

Author

Abe, T, Afik, Y, Albert, A, Anelli, C, Barak, L, Bauer, M, Behr, J, Bell, N, Boveia, A, Brandt, O, Busoni, G, Carpenter, L, Chen, Y, Doglioni, C, Elliot, A, Fujiwara, M, Genest, M, Gerosa, R, Gori, S, Gramling, J, Grohsjean, A, Gustavino, G, Hahn, K, Haisch, U, Henkelmann, L, Hisano, J, Huitfeldt, A, Ippolito, V, Kahlhoefer, F, Landsberg, G, Lowette, S, Maier, B, Maltoni, F, Muehlleitner, M, No, J, Pani, P, Polesello, G, Price, D, Robens, T, Rovelli, G, Rozen, Y, Sanderson, I, Santos, R, Sevova, S, Sperka, D, Sung, K, Tait, T, Terashi, K, Ungaro, F, Vryonidou, E, Yu, S, Wu, S, Zhou, C, Abe T., Afik Y., Albert A., Anelli C. R., Barak L., Bauer M., Behr J. K., Bell N. F., Boveia A., Brandt O., Busoni G., Carpenter L. M., Chen Y. -H., Doglioni C., Elliot A., Fujiwara M., Genest M. -H., Gerosa R., Gori S., Gramling J., Grohsjean A., Gustavino G., Hahn K., Haisch U., Henkelmann L., Hisano J., Huitfeldt A., Ippolito V., Kahlhoefer F., Landsberg G., Lowette S., Maier B., Maltoni F., Muehlleitner M., No J. M., Pani P., Polesello G., Price D. D., Robens T., Rovelli G., Rozen Y., Sanderson I. W., Santos R., Sevova S., Sperka D., Sung K., Tait T. M. P., Terashi K., Ungaro F. C., Vryonidou E., Yu S. -S., Wu S. L., Zhou C., Abe, T, Afik, Y, Albert, A, Anelli, C, Barak, L, Bauer, M, Behr, J, Bell, N, Boveia, A, Brandt, O, Busoni, G, Carpenter, L, Chen, Y, Doglioni, C, Elliot, A, Fujiwara, M, Genest, M, Gerosa, R, Gori, S, Gramling, J, Grohsjean, A, Gustavino, G, Hahn, K, Haisch, U, Henkelmann, L, Hisano, J, Huitfeldt, A, Ippolito, V, Kahlhoefer, F, Landsberg, G, Lowette, S, Maier, B, Maltoni, F, Muehlleitner, M, No, J, Pani, P, Polesello, G, Price, D, Robens, T, Rovelli, G, Rozen, Y, Sanderson, I, Santos, R, Sevova, S, Sperka, D, Sung, K, Tait, T, Terashi, K, Ungaro, F, Vryonidou, E, Yu, S, Wu, S, Zhou, C, Abe T., Afik Y., Albert A., Anelli C. R., Barak L., Bauer M., Behr J. K., Bell N. F., Boveia A., Brandt O., Busoni G., Carpenter L. M., Chen Y. -H., Doglioni C., Elliot A., Fujiwara M., Genest M. -H., Gerosa R., Gori S., Gramling J., Grohsjean A., Gustavino G., Hahn K., Haisch U., Henkelmann L., Hisano J., Huitfeldt A., Ippolito V., Kahlhoefer F., Landsberg G., Lowette S., Maier B., Maltoni F., Muehlleitner M., No J. M., Pani P., Polesello G., Price D. D., Robens T., Rovelli G., Rozen Y., Sanderson I. W., Santos R., Sevova S., Sperka D., Sung K., Tait T. M. P., Terashi K., Ungaro F. C., Vryonidou E., Yu S. -S., Wu S. L., and Zhou C.

Abstract

Dark matter (DM) simplified models are by now commonly used by the ATLAS and CMS Collaborations to interpret searches for missing transverse energy (ETmiss). The coherent use of these models sharpened the LHC DM search program, especially in the presentation of its results and their comparison to DM direct-detection (DD) and indirect-detection (ID) experiments. However, the community has been aware of the limitations of the DM simplified models, in particular the lack of theoretical consistency of some of them and their restricted phenomenology leading to the relevance of only a small subset of ETmiss signatures. This document from the LHC Dark Matter Working Group identifies an example of a next-generation DM model, called 2HDM+a, that provides the simplest theoretically consistent extension of the DM pseudoscalar simplified model. A comprehensive study of the phenomenology of the 2HDM+a model is presented, including a discussion of the rich and intricate pattern of mono-X signatures and the relevance of other DM as well as non-DM experiments. Based on our discussions, a set of recommended scans are proposed to explore the parameter space of the 2HDM+a model through LHC searches. The exclusion limits obtained from the proposed scans can be consistently compared to the constraints on the 2HDM+a model that derive from DD, ID and the DM relic density.

Published
2020

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