The educators of the Department of Computing, Mathematics, and Physics at Messiah frequently publish and present quality scholarship in their field and in the context of their vibrant Christian faith.

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Submissions from 2006

Measurement of the top quark mass in the lepton+jets final state with the matrix element method, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, E. Aguilo, Abaz Kryemadhi, and M. Alexeev

Search for neutral, long-lived particles decaying into two muons in pp̄ collisions at s=1.96TeV, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, S. H. Ahn, and Abaz Kryemadhi

Limits on anomalous trilinear gauge couplings from WW→e+e-, WW→e±e, and WW→μ+μ- events from pp̄ collisions at s=1.96TeV, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, S. H. Ahn, Abaz Kryemadhi, and G. D. Ahsan

Search for pair production of scalar bottom quarks in pp̄ collisions at s=1.96TeV, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, S. H. Ahn, Abaz Kryemadhi, and G. D. Ahsan

Measurement of the tt̄ production cross section in pp̄ collisions at s=1.96TeV using secondary vertex b tagging, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, E. Aguilo, S. H. Ahn, Abaz Kryemadhi, and G. D. Alexeev

Beauty baryons at CDF and DØ, Abaz Kryemadhi

Measurement of the isolated photon cross section in pp¯ collisions at s=1.96 TeV, Abaz Kryemadhi

New measurement of BR(D+→ρ0μ+ν)BR(D+→K¯∗0μ+ν) branching ratio, Abaz Kryemadhi

Search for a pentaquark decaying to pKS0, Abaz Kryemadhi

Search for pair production of second generation scalar leptoquarks in pp¯ collisions at s=1.96 TeV, Abaz Kryemadhi

Search for R-parity violating supersymmetry via the LLE¯ couplings λ121, λ122 or λ133 in pp¯ collisions at s=1.96 TeV, Abaz Kryemadhi

Search for W′ boson production in the W′→tb¯ decay channel, Abaz Kryemadhi

Search for a pentaquark decaying to p KS0, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Castromonte, A. A. Machado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Ahmed

Study of the decay asymmetry parameter and CP violation parameter in the Λc+ → Λπ+ decay, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Castromonte, A. A. Machado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Ahsan

A non-parametric approach to the D+→K̄ *0μ+ν form factors, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, A. A. Machado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Submissions from 2005

Measurement of semileptonic branching fractions of B mesons to narrow D** states, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Ahsan

Measurement of the lifetime difference in the Bs0 system, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Ahsan

Measurement of the tt̄ production cross section in pp̄ collisions at √s = 1.96 TeV using kinematic characteristics of lepton + jets events, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Ahsan

Measurement of the tt̄ production cross section in pp̄ collisions at √s = 1.96 TeV using lepton + jets events with lifetime b-tagging, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Ahsan

Production of WZ events in pp collisions at s=1.96TeV and limits on anomalous WWZ couplings, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Ahsan

Search for large extra spatial dimensions in dimuon production with the D0 detector, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Ahsan

Search for right-handed W bosons in top quark decay, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Ahsan

Study of Zγ events and limits on anomalous ZZγ and Zγγ couplings in pp̄ collisions at s=1.96TeV, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Ahsan

Measurement of inclusive differential cross sections for Υ(1S) production in pp̄ collisions at s=1.96TeV, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Pepe

Measurement of the pp̄→Wγ+X cross section at s=1.96 TeV and WWγ anomalous coupling limits, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Pepe

Measurement of the W+W- production cross section in pp̄ collisions at s=1.96TeV using dilepton events, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Pepe

Search for neutral supersymmetric higgs bosons in multijet events at s=1.96TeV, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Pepe

Search for Randall-Sundrum gravitons in dilepton and diphoton final states, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Pepe

Search for supersymmetry via associated production of charginos and neutralinos in final states with three leptons, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Pepe

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Electronic structure of carbon nitride thin films studied by X-ray spectroscopy techniques, Niklas Hellgren, Jinghua Guo, Yi Luo, Conny Såthe, Akane Agui, Stepan Kashtanov, Joseph Nordgren, and Hans Ågren

Analysis of the semileptonic decay D0→K¯0π−μ+ν, Abaz Kryemadhi

Hadronic mass spectrum analysis of D+→K−π+μ+ν decay and measurement of the K∗(892)0 mass and width, Abaz Kryemadhi

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Measurement of the branching ratio of the decay D0→π−μ+ν relative to D0→K−μ+ν, Abaz Kryemadhi

Measurement of the tt¯ production cross section in pp¯ collisions at s=1.96 TeV in dilepton final states, Abaz Kryemadhi

Search for single top quark production in pp¯ collisions at s=1.96 TeV, Abaz Kryemadhi

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Search for T violation in charm meson decays, Abaz Kryemadhi

Search for Λc+→pK+π− and Ds+→K+K+π− using genetic programming event selection, Abaz Kryemadhi

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Study of Λc+ Cabibbo favored decays containing a Λ baryon in the final state, Abaz Kryemadhi

Application of genetic programming to high energy physics event selection, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Castromonte, C. Göbel, A. A. MacHado, J. Magnin, Abaz Kryemadhi, and J. M. Pepe

Measurement of the Ds+ lifetime, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Castromonte, A. A. Machado, J. Magnin, A. Massafferi, Abaz Kryemadhi, and I. M. Ahsan

Search for a strongly decaying neutral charmed pentaquark, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Castromonte, A. A. Machado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

A study of D0 → KS0KS0X decay channels, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, A. A. Machado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Ahsan

Measurement of the doubly Cabibbo suppressed decay D0→ K+π- and a search for charm mixing, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, A. A. MacHado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Ahsan

Measurements of the q2 dependence of the D0 → K-μ+ν and D0 → π -μ+ν form factors, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, A. A. Machado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Study of the D0→K+K-π +π- decay, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, A. A. MacHado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Submissions from 2004

Measurement of the tt̄ 1.96 TeV i pp̄ collisions at √s = 1.96 TeV in dilepton final states, V. M. Abazov, B. Abbott, M. Abolins, B. S. Acharya, M. Adams, T. Adams, M. Agelou, J. L. Agram, Abaz Kryemadhi, and M. Pepe

In-situ stress measurement during the deposition of CNx thin films by unbalanced magnetron sputtering; formation of high levels of stress with 28 eV ion irradiation, I. F. Brunell, L. Pichon, N. Hellgren, Zs Czigány, J. Neidhardt, and L. Hultman

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Fullerene-like B-C-N thin films: A computational and experimental study, Niklas Hellgren, Torun Berlind, Gueorgui K. Gueorguiev, Mats P. Johansson, Sven Stafström, and Lars Hultman

Charm–anticharm baryon production asymmetries in photon–nucleon interactions, Abaz Kryemadhi

Measurement of masses and widths of excited charm mesons D2∗ and evidence for broad states, Abaz Kryemadhi

Measurement of the ratio of the vector to pseudoscalar charm semileptonic decay rate Γ(D+→K¯*0μ+νμ)/Γ(D+→K¯0μ+νμ), Abaz Kryemadhi

Measurements of six-body hadronic decays of the D0 charmed meson, Abaz Kryemadhi

Study of hadronic five-body decays of charmed mesons involving KS0, Abaz Kryemadhi

The target silicon detector for the FOCUS spectrometer, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Dalitz plot analysis of Ds+ and D+ decay to π+π-π+ using the K -matrix formalism, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, A. A. Machado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Study of the doubly and singly Cabibbo suppressed decays D +→K+π+π- and D s+→K+π+π-, J. M. Link, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, A. A. Machado, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

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Probing carbon nanoparticles in CNx thin films using Raman spectroscopy, Debdulal Roy, Manish Chhowalla, Niklas Hellgren, T. W. Clyne, and G. A.J. Amaratunga

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Growth, surface morphology, and electrical resistivity of fully strained substoichiometric epitaxial TiNx (0.67 ≤ x < 1.0) layers on MgO(001), C. S. Shin, S. Rudenja, D. Gall, Niklas Hellgren, T. Y. Lee, I. Petrov, and J. E. Greene

Submissions from 2003

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Characterization of the metal-insulator interface of field-effect chemical sensors, A. Elisabeth Åbom, Richard T. Haasch, Niklas Hellgren, Nancy Finnegan, Lars Hultman, and Mats Eriksson

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Structural and mechanical properties of diamond-like carbon films deposited by direct current magnetron sputtering, E. Broitman, Niklas Hellgren, Zs Czigány, R. D. Twesten, J. Luning, I. Petrov, L. Hultman, and B. C. Holloway

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Structural, electrical, and optical properties of diamondlike carbon films deposited by dc magnetron sputtering, E. Broitman, O. P.A. Lindquist, Niklas Hellgren, L. Hultman, and B. C. Holloway

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Fullerene-like carbon nitride: A resilient coating material, Lars Hultman, Jörg Neidhardt, Niklas Hellgren, Hans Sjöström, and Jan Eric Sundgren

Charm system tests of CPT and Lorentz invariance with FOCUS, Abaz Kryemadhi

Measurements of Ξc+ branching ratios, Abaz Kryemadhi

Search for rare and forbidden 3-body di-muon decays of the charmed mesons D+ and Ds+, Abaz Kryemadhi

Studies of correlations between D and D mesons in high energy photoproduction, Abaz Kryemadhi

Study of hadronic five-body decays of charmed mesons, Abaz Kryemadhi

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Study of the Cabibbo-suppressed decay modes D0→π−π+ and D0→K−K+, Abaz Kryemadhi

Study of the decay mode D0→K−K−K+π+, Abaz Kryemadhi

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Growth and physical properties of epitaxial CeN layers on MgO(001), T. Y. Lee, D. Gall, C. S. Shin, N. Hellgren, I. Petrov, and J. E. Greene

Measurement of the ωc0 lifetime focus collaboration, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

New results on c-baryons and a search for cc-baryons in FOCUS, Sergio P. Ratti, J. Link, M. Reyes, P. M. Yager, J. Anjos, I. Bediaga, C. Gobel, J. Magnin, Abaz Kryemadhi, and J. M. Pepe

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Vacancy hardening in single-crystal TiNx(001) layers, C. S. Shin, D. Gall, Niklas Hellgren, J. Patscheider, I. Petrov, and J. E. Greene

Submissions from 2002

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Electrical properties of carbon nitride thin films: Role of morphology and hydrogen content, E. Broitman, Niklas Hellgren, J. Neidhardt, I. Brunell, and L. Hultman

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How hard is fullerene-like CNx? Some observations from the nanoindentation response of a magnetron-sputtered coating, I. Arce Garcia, E. G. Berasategui, S. J. Bull, T. F. Page, J. Neidhardt, L. Hultman, and Niklas Hellgren

New measurements of the D+→K∗0μ+ν form factor ratios, Abaz Kryemadhi

A high statistics measurement of the Λc+ Lifetime, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferi, Abaz Kryemadhi, and I. M. de Miranda

A High Statistics Measurement of the [Formula presented] Lifetime, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferi, Abaz Kryemadhi, and I. M. Pepe

Cherenkov particle identification in FOCUS, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Erratum: Search for CP violation in the decays D+ → Ksπ+ and D+ → KsK+ (Physical Review Letters (2002) 88 (041602)), J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Evidence for new interference phenomena in the decay D + → K -π +μ +ν, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Measurement of the D+ and Ds+ decays into K+K-K+, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

New measurements of the D0 and D+ lifetimes, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Observation of a 1750 MeV/c2 enhancement in the diffractive photoproduction of K+ K-, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Reconstruction of Vees, Kinks, Ξ-'s, and Ω-'s in the FOCUS spectrometer, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Search for CP violation in the decays D+ → KSπ+ and D+ → KSK+, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

Search for CP Violation in the decays [Formula presented] and [Formula presented], J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Pepe

A new measurement of the Ξc0 lifetime, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Polycarpo

Measurements of relative branching ratios of Λc+ decays into states containing Σ, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Polycarpo

New measurements of the Γ(D+ → K*0μ+ν)/Γ(D+ → K-π+π+) and Γ(Ds+ → φμ+ν)/Γ(Ds+ → φπ+) branching ratios, J. M. Link, M. Reyes, P. M. Yager, J. C. Anjos, I. Bediaga, C. Göbel, J. Magnin, A. Massafferri, Abaz Kryemadhi, and I. M. Polycarpo

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Development of preferred orientation in polycrystalline NaCl-structure δ-TaN layers grown by reactive magnetron sputtering: Role of low-energy ion surface interactions, C. S. Shin, D. Gall, Y. W. Kim, N. Hellgren, I. Petrov, and J. E. Greene

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Epitaxial growth of metastable δ-TaN layers on MgO(001) using low-energy, high-flux ion irradiation during ultrahigh vacuum reactive magnetron sputtering, C. S. Shin, Y. W. Kim, Niklas Hellgren, D. Gall, I. Petrov, and J. E. Greene

Submissions from 2001

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Microstructure, mechanical properties, and wetting behavior of Si-C-N thin films grown by reactive magnetron sputtering, Torun Berlind, Niklas Hellgren, Mats P. Johansson, and Lars Hultman

New results on charm decays and lifetimes from Fermilab experiment FOCUS, Gianluigi Boca, J. M. Link, M. Reyes, P. M. Yager, J. Anjos, I. Bediaga, C. Gobel, J. Magnin, and Abaz Kryemadhi

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Mechanical and tribological properties of CNx films deposited by reactive magnetron sputtering, E. Broitman, Niklas Hellgren, O. Wänstrand, M. P. Johansson, T. Berlind, H. Sjöström, J. E. Sundgren, M. Larsson, and L. Hultman

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Monitoring the structural and chemical properties of CNx thin films during in situ annealing in a TEM, S. E. Grillo, N. Hellgren, V. Serin, E. Broitman, C. Colliex, L. Hultman, and Y. Kihn

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Electrical and Optical Properties of CNx(0⩽x⩽0.25) Films Deposited by Reactive Magnetron Sputtering, Niklas Hellgren, Esteban Broitman, Kenneth Järrendahl, Mat P.J Jõesaar, Sveinn Olafsson, György Radnóczi, Jan-Eric Sundgren, and Lars Hultman

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Nitrogen bonding structure in carbon nitride thin films studied by soft x-ray spectroscopy, Niklas Hellgren, Jinghua Guo, Conny Såthe, Akane Agui, Joseph Nordgren, Yi Luo, Hans Ågren, and Jan Eric Sundgren

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Effect of Chemical Sputtering on the Growth and Structural Evolution of Magnetron Sputtered CNx Thin Films, Niklas Hellgren, Mats P.J Jõesaar, Esteban Broitman, Per Sandström, Lars Hultman, and Jan-Eric Sundgren

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Anisotropies in magnetron sputtered carbon nitride thin films, Niklas Hellgren, Mats P. Johansson, Esteban Broitman, Lars Hultman, and Jan Eric Sundgren