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Martha Constantinou

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Martha Constantinou

  • College of Science and Technology

    • Physics

      • Assistant Professor

Courses Taught

Number

Name

Level

PHYS 2921

Honors General Physics I

Undergraduate

PHYS 2922

Honors General Physics II

Undergraduate

Selected Publications

Recent

  • Atac, H., Constantinou, M., Meziani, Z., Paolone, M., & Sparveris, N. (2021). Author Correction: Measurement of the neutron charge radius and the role of its constituents (Nature Communications, (2021), 12, 1, (1759), 10.1038/s41467-021-22028-z). Nature Communications, 12(1). doi: 10.1038/s41467-021-23842-1.

  • Atac, H., Constantinou, M., Meziani, Z., Paolone, M., & Sparveris, N. (2021). Measurement of the neutron charge radius and the role of its constituents. Nature Communications, 12(1). doi: 10.1038/s41467-021-22028-z.

  • Constantinou, M., Courtoy, A., Ebert, M., Engelhardt, M., Giani, T., Hobbs, T., Hou, T., Kusina, A., Kutak, K., Liang, J., Lin, H., Liu, K., Liuti, S., Mezrag, C., Nadolsky, P., Nocera, E., Olness, F., Qiu, J., Radici, M., Radyushkin, A., Rajan, A., Rogers, T., Rojo, J., Schierholz, G., Yuan, C., Zhang, J., & Zhang, R. (2021). Parton distributions and lattice-QCD calculations: Toward 3D structure. Progress in Particle and Nuclear Physics, 121. doi: 10.1016/j.ppnp.2021.103908.

  • Alexandrou, C., Bacchio, S., Constantinou, M., Hadjiyiannakou, K., Jansen, K., & Koutsou, G. (2021). Quark flavor decomposition of the nucleon axial form factors. Physical Review D, 104(7). doi: 10.1103/PhysRevD.104.074503.

  • Alexandrou, C., Bacchio, S., Bergner, G., Constantinou, M., Carlo, M.D., Dimopoulos, P., Finkenrath, J., Fiorenza, E., Frezzotti, R., Garofalo, M., Hadjiyiannakou, K., Kostrzewa, B., Koutsou, G., Jansen, K., Lubicz, V., Mangin-Brinet, M., Manigrasso, F., Martinelli, G., Papadiofantous, E., Pittler, F., Rossi, G., Sanfilippo, F., Simula, S., Tarantino, C., Todaro, A., Urbach, C., & Wenger, U. (2021). Quark masses using twisted-mass fermion gauge ensembles. Physical Review D, 104(7). doi: 10.1103/PhysRevD.104.074515.

  • Alexandrou, C., Bacchio, S., Cloët, I., Constantinou, M., Hadjiyiannakou, K., Koutsou, G., & Lauer, C. (2021). Pion and kaon 〈x3 〉 from lattice QCD and PDF reconstruction from Mellin moments. Physical Review D, 104(5). doi: 10.1103/PhysRevD.104.054504.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., & Manigrasso, F. (2021). Flavor decomposition of the nucleon unpolarized, helicity, and transversity parton distribution functions from lattice QCD simulations. Physical Review D, 104(5). doi: 10.1103/PhysRevD.104.054503.

  • Alexandrou, C., Cichy, K., Constantinou, M., Green, J., Hadjiyiannakou, K., Jansen, K., Manigrasso, F., Scapellato, A., & Steffens, F. (2021). Lattice continuum-limit study of nucleon parton quasidistribution functions. Physical Review D, 103(9). doi: 10.1103/PhysRevD.103.094512.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., & Manigrasso, F. (2021). Flavor Decomposition for the Proton Helicity Parton Distribution Functions. Physical Review Letters, 126(10). doi: 10.1103/PhysRevLett.126.102003.

  • Bhat, M., Cichy, K., Constantinou, M., & Scapellato, A. (2021). Flavor nonsinglet parton distribution functions from lattice QCD at physical quark masses via the pseudodistribution approach. Physical Review D, 103(3). doi: 10.1103/PhysRevD.103.034510.

  • Alexandrou, C., Bacchio, S., Constantinou, M., Dimopoulos, P., Finkenrath, J., Hadjiyiannakou, K., Jansen, K., Koutsou, G., Kostrzewa, B., Leontiou, T., & Urbach, C. (2021). Nucleon axial and pseudoscalar form factors from lattice QCD at the physical point. Physical Review D, 103(3). doi: 10.1103/PhysRevD.103.034509.

  • Atac, H., Constantinou, M., Meziani, Z., Paolone, M., & Sparveris, N. (2021). Charge radii of the nucleon from its flavor dependent Dirac form factors. European Physical Journal A, 57(2). doi: 10.1140/epja/s10050-021-00389-9.

  • Constantinou, M. (2021). The x-dependence of hadronic parton distributions: A review on the progress of lattice QCD. European Physical Journal A, 57(2). doi: 10.1140/epja/s10050-021-00353-7.

  • Alexandrou, C., Bacchio, S., Cloët, I., Constantinou, M., Hadjiyiannakou, K., Koutsou, G., & Lauer, C. (2021). Mellin moments x and x2 for the pion and kaon from lattice QCD. Physical Review D, 103(1). doi: 10.1103/PhysRevD.103.014508.

  • Bringewatt, J., Sato, N., Melnitchouk, W., Qiu, J., Steffens, F., & Constantinou, M. (2021). Confronting lattice parton distributions with global QCD analysis. Physical Review D, 103(1). doi: 10.1103/PhysRevD.103.016003.

  • Alexandrou, C., Cichy, K., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Scapellato, A., & Steffens, F. (2020). Unpolarized and Helicity Generalized Parton Distributions of the Proton within Lattice QCD. Physical Review Letters, 125(26). doi: 10.1103/PhysRevLett.125.262001.

  • Bhattacharya, S., Cichy, K., Constantinou, M., Metz, A., Scapellato, A., & Steffens, F. (2020). The role of zero-mode contributions in the matching for the twist-3 PDFs e (x) and hL (x). Physical Review D, 102(11). doi: 10.1103/PhysRevD.102.114025.

  • Bhattacharya, S., Cichy, K., Constantinou, M., Metz, A., Scapellato, A., & Steffens, F. (2020). Insights on proton structure from lattice QCD: The twist-3 parton distribution function gT (x). Physical Review D, 102(11). doi: 10.1103/PhysRevD.102.111501.

  • Alexandrou, C., Bacchio, S., Constantinou, M., Finkenrath, J., Hadjiyiannakou, K., Jansen, K., Koutsou, G., & Aviles-Casco, A. (2020). Nucleon axial, tensor, and scalar charges and σ -terms in lattice QCD. Physical Review D, 102(5). doi: 10.1103/PhysRevD.102.054517.

  • Bhattacharya, S., Cichy, K., Constantinou, M., Metz, A., Scapellato, A., & Steffens, F. (2020). One-loop matching for the twist-3 parton distribution gT (x). Physical Review D, 102(3). doi: 10.1103/PhysRevD.102.034005.

  • Chai, Y., Li, Y., Xia, S., Alexandrou, C., Cichy, K., Constantinou, M., Feng, X., Hadjiyiannakou, K., Jansen, K., Koutsou, G., Liu, C., Scapellato, A., & Steffens, F. (2020). Parton distribution functions of Δ+ on the lattice. Physical Review D, 102(1). doi: 10.1103/PhysRevD.102.014508.

  • Horkel, D., Bi, Y., Constantinou, M., Draper, T., Liang, J., Liu, K., Liu, Z., & Yang, Y. (2020). Nucleon isovector tensor charge from lattice QCD using chiral fermions. Physical Review D, 101(9). doi: 10.1103/PhysRevD.101.094501.

  • Alexandrou, C., Bacchio, S., Constantinou, M., Finkenrath, J., Hadjiyiannakou, K., Jansen, K., Koutsou, G., Panagopoulos, H., & Spanoudes, G. (2020). Complete flavor decomposition of the spin and momentum fraction of the proton using lattice QCD simulations at physical pion mass. Physical Review D, 101(9). doi: 10.1103/PhysRevD.101.094513.

  • Alexandrou, C., Bacchio, S., Constantinou, M., Finkenrath, J., Hadjiyiannakou, K., Jansen, K., & Koutsou, G. (2020). Nucleon strange electromagnetic form factors. Physical Review D, 101(3). doi: 10.1103/PhysRevD.101.031501.

  • Alexandrou, C., Bacchio, S., Constantinou, M., Dimopoulos, P., Finkenrath, J., Frezzotti, R., Hadjiyiannakou, K., Jansen, K., Kostrzewa, B., Koutsou, G., Lauer, C., & Urbach, C. (2020). Moments of nucleon generalized parton distributions from lattice QCD simulations at physical pion mass. Physical Review D, 101(3). doi: 10.1103/PhysRevD.101.034519.

  • Alexandrou, C., Bacchio, S., Constantinou, M., Finkenrath, J., Hadjiyiannakou, K., Jansen, K., Koutsou, G., & Aviles-Casco, A. (2019). Proton and neutron electromagnetic form factors from lattice QCD. Physical Review D, 100(1). doi: 10.1103/PhysRevD.100.014509.

  • Alexandrou, C., Cichy, K., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Scapellato, A., & Steffens, F. (2019). Systematic uncertainties in parton distribution functions from lattice QCD simulations at the physical point. Physical Review D, 99(11). doi: 10.1103/PhysRevD.99.114504.

  • Constantinou, M., Panagopoulos, H., & Spanoudes, G. (2019). One-loop renormalization of staple-shaped operators in continuum and lattice regularizations. Physical Review D, 99(7). doi: 10.1103/PhysRevD.99.074508.

  • Oehm, M., Alexandrou, C., Constantinou, M., Jansen, K., Koutsou, G., Kostrzewa, B., Steffens, F., Urbach, C., & Zafeiropoulos, S. (2019). X © and x2 © of the pion PDF from lattice QCD with Nf=2+1+1 dynamical quark flavors. Physical Review D, 99(1). doi: 10.1103/PhysRevD.99.014508.

  • Cichy, K., Constantinou, M., & Prokudin, A. (2019). A Guide to Light-Cone PDFs from Lattice QCD: An Overview of Approaches, Techniques, and Results. Advances in High Energy Physics, 2019. doi: 10.1155/2019/3036904.

  • Alexandrou, C., Cichy, K., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Scapellato, A., & Steffens, F. (2019). Quasi-PDFs with twisted mass fermions. Proceedings of Science, 363.

  • Chai, Y., Li, Y., Xia, S., Alexandrou, C., Cichy, K., Constantinou, M., Feng, X., Hadjiyiannakou, K., Jansen, K., Koutsou, G., Liu, C., Scapellato, A., & Steffens, F. (2019). Parton distribution functions of ∆+ on the lattice. Proceedings of Science, 363.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Kallidonis, C., Koutsou, G., & Avilés-Casco, A. (2019). The nucleon spin structure from lattice QCD∗. Acta Physica Polonica B, Proceedings Supplement, 12(4), 861-866. doi: 10.5506/APhysPolBSupp.12.861.

  • Alexandrou, C., Cichy, K., Constantinou, M., Jansen, K., Scapellato, A., & Steffens, F. (2018). Transversity parton distribution functions from lattice QCD. Physical Review D, 98(9). doi: 10.1103/PhysRevD.98.091503.

  • Alexandrou, C., Cichy, K., Constantinou, M., Jansen, K., Scapellato, A., & Steffens, F. (2018). Light-Cone Parton Distribution Functions from Lattice QCD. Physical Review Letters, 121(11). doi: 10.1103/PhysRevLett.121.112001.

  • Lin, H., Nocera, E., Olness, F., Orginos, K., Rojo, J., Accardi, A., Alexandrou, C., Bacchetta, A., Bozzi, G., Chen, J., Collins, S., Cooper-Sarkar, A., Constantinou, M., Debbio, L.D., Engelhardt, M., Green, J., Gupta, R., Harland-Lang, L., Ishikawa, T., Kusina, A., Liu, K., Liuti, S., Monahan, C., Nadolsky, P., Qiu, J., Schienbein, I., Schierholz, G., Thorne, R., Vogelsang, W., Wittig, H., Yuan, C., & Zanotti, J. (2018). Parton distributions and lattice QCD calculations: A community white paper. Progress in Particle and Nuclear Physics, 100, 107-160. doi: 10.1016/j.ppnp.2018.01.007.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Kallidonis, C., Koutsou, G., & Avilés-Casco, A. (2018). Strange nucleon electromagnetic form factors from lattice QCD. Physical Review D, 97(9). doi: 10.1103/PhysRevD.97.094504.

  • Alexandrou, C., Athenodorou, A., Cichy, K., Constantinou, M., Horkel, D., Jansen, K., Koutsou, G., & Larkin, C. (2018). Topological susceptibility from twisted mass fermions using spectral projectors and the gradient flow. Physical Review D, 97(7). doi: 10.1103/PhysRevD.97.074503.

  • Constantinou, M., Costa, M., Frezzotti, R., Lubicz, V., Martinelli, G., Meloni, D., Panagopoulos, H., & Simula, S. (2018). K →π matrix elements of the chromomagnetic operator on the lattice. Physical Review D, 97(7). doi: 10.1103/PhysRevD.97.074501.

  • Alexandrou, C., Cichy, K., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Panagopoulos, H., Scapellato, A., & Steffens, F. (2018). Progress in computing parton distribution functions from the quasi-PDF approach. EPJ Web of Conferences, 175. doi: 10.1051/epjconf/201817506021.

  • Alexandrou, C., Bacchio, S., Cichy, K., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Koutsou, G., Scapellato, A., & Steffens, F. (2018). Computation of parton distributions from the quasi-PDF approach at the physical point. EPJ Web of Conferences, 175. doi: 10.1051/epjconf/201817514008.

  • Constantinou, M. & Panagopoulos, H. (2018). Perturbative Renormalization of Wilson line operators. EPJ Web of Conferences, 175. doi: 10.1051/epjconf/201817506025.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Kallidonis, C., Koutsou, G., & Avilés-Casco, A.V. (2018). Connected and disconnected contributions to nucleon axial form factors using Nf = 2 twisted mass fermions at the physical point. EPJ Web of Conferences, 175. doi: 10.1051/epjconf/201817506003.

  • Alexandrou, C., Cichy, K., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Scapellato, A., & Steffens, F. (2018). Light-cone PDFs from Lattice QCD. Proceedings of Science, 334.

  • Alexandrou, C., Cichy, K., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Scapellato, A., & Steffens, F. (2018). Quasi-PDFs from Twisted mass fermions at the physical point. Proceedings of Science, 334.

  • Alexandrou, C., Bacchio, S., Constantinou, M., Hadjiyiannakou, K., Koutsou, G., Jansen, K., & Vaquero, A. (2018). Nucleon form factors from Nf=2+1+1 twisted mass fermions at the physical point. Proceedings of Science, 334.

  • Alexandrou, C., Bacchio, S., Constantinou, M., Howarth, D., Lauer, C., Hadjiyiannakou, K., Koutsou, G., & Jansen, K. (2018). Investigating volume effects for Nf=2 twisted clover fermions at the physical point. Proceedings of Science, 334.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Kallidonis, C., Koutsou, G., Avilés-Casco, A., & Wiese, C. (2017). Nucleon Spin and Momentum Decomposition Using Lattice QCD Simulations. Physical Review Letters, 119(14). doi: 10.1103/PhysRevLett.119.142002.

  • Alexandrou, C., Cichy, K., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Panagopoulos, H., & Steffens, F. (2017). A complete non-perturbative renormalization prescription for quasi-PDFs. Nuclear Physics B, 923, 394-415. doi: 10.1016/j.nuclphysb.2017.08.012.

  • Constantinou, M. & Panagopoulos, H. (2017). Perturbative renormalization of quasi-parton distribution functions. Physical Review D, 96(5). doi: 10.1103/PhysRevD.96.054506.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Kallidonis, C., Koutsou, G., & Aviles-Casco, A.V. (2017). Nucleon axial form factors using Nf=2 twisted mass fermions with a physical value of the pion mass. Physical Review D, 96(5). doi: 10.1103/PhysRevD.96.054507.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Panagopoulos, H., & Wiese, C. (2017). Gluon momentum fraction of the nucleon from lattice QCD. Physical Review D, 96(5). doi: 10.1103/PhysRevD.96.054503.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Kallidonis, C., Koutsou, G., & Aviles-Casco, A.V. (2017). Nucleon electromagnetic form factors using lattice simulations at the physical point. Physical Review D, 96(3). doi: 10.1103/PhysRevD.96.034503.

  • Alexandrou, C., Cichy, K., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Steffens, F., & Wiese, C. (2017). Updated lattice results for parton distributions. Physical Review D, 96(1). doi: 10.1103/PhysRevD.96.014513.

  • Alexandrou, C., Constantinou, M., Dimopoulos, P., Frezzotti, R., Hadjiyiannakou, K., Jansen, K., Kallidonis, C., Kostrzewa, B., Koutsou, G., Mangin-Brinet, M., Avilès-Casco, A.V., & Wenger, U. (2017). Nucleon scalar and tensor charges using lattice QCD simulations at the physical value of the pION mass. Physical Review D, 95(11). doi: 10.1103/PhysRevD.95.114514.

  • Abdel-Rehim, A., Alexandrou, C., Burger, F., Constantinou, M., Dimopoulos, P., Frezzotti, R., Hadjiyiannakou, K., Helmes, C., Jansen, K., Jost, C., Kallidonis, C., Knippschild, B., Kostrzewa, B., Koutsou, G., Liu, L., Mangin-Brinet, M., Ottnad, K., Petschlies, M., Pientka, G., Rossi, G., Urbach, C., Wenger, U., & Werner, M. (2017). First physics results at the physical pion mass from Nf=2 Wilson twisted mass fermions at maximal twist. Physical Review D, 95(9). doi: 10.1103/PhysRevD.95.094515.

  • Constantinou, M. (2017). New Physics Searches from Nucleon Matrix Elements in Lattice QCD. EPJ Web of Conferences, 137. doi: 10.1051/epjconf/201713708003.

  • Alexandrou, C., Constantinou, M., & Panagopoulos, H. (2017). Renormalization functions for Nf=2 and Nf=4 twisted mass fermions. Physical Review D, 95(3). doi: 10.1103/PhysRevD.95.034505.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., Jansen, K., Kallidonis, C., Koutsou, G., Avilés-Casco, A., & Wiese, C. (2022). The nucleon spin explained using lattice QCD simulations. ArXiv Preprint ArXiv:1706.02973.

  • Alexandrou, C., Constantinou, M., Hadjiyiannakou, K., & Panagopoulos, H. (2017). Renormalization issues of quasi-PDFs. Proceedings of Science, 2017-May.