Staff profile

• Elementary Particle Theory
• Institute for Particle Physics Phenomenology

• 2020: IPPP Consolidated Grant 2019(£3785809.64 from Ernest Rutherford Fellowship)

Conference Paper

• Ferroglia, Andrea, Marzani, Simone, Pecjak, Ben D. & Yang, Li Lin (2014), Boosted Top Quark Pair Production in Soft Collinear Effective Theory, in Ma, Hong, Rajagopalan, Srini & Tuts, Mike eds, 2nd Conference on Large Hadron Collider Physics Conference (LHCP 2014). New York, USA.
• Pecjak, Ben D. (2008), Soft-collinear effective theory approach to factorization and resummation in DIS at large x, 16th International Workshop on Deep Inelastic Scattering and Related Subjects (DIS 2008). 242.

Conference Proceeding

• Pecjak, Ben D. (2008). NNLO corrections to anti-B --> X(u) l anti-nu and the determination of |V(ub)|. Proceedings, 34th International Conference on High Energy Physics (ICHEP 2008).
• Pecjak, Ben D. (2008). Theory Review of Exclusive Rare Radiative Decays. Proceedings, 6th Conference on Flavor Physics and CP Violation (FPCP 2008).

Doctoral Thesis

• Pecjak, Benjamin Dale (2004). QCD factorization for hadronic B decays: Proofs and higher-order corrections. Cornell U., LNS. PhD.

Journal Article

• Cullen, Jonathan M. & Pecjak, Benjamin D. (2020). Higgs decay to fermion pairs at NLO in SMEFT. Journal of High Energy Physics 2020(11): 79.
• Czakon, Michał, Ferroglia, Andrea, Mitov, Alexander, Pagani, Davide, Papanastasiou, Andrew S., Pecjak, Benjamin D., Scott, Darren J., Tsinikos, Ioannis, Wang, Xing, Yang, Li Lin & Zaro, Marco (2020). Top quark pair production at complete NLO accuracy with NNLO+NNLL′ corrections in QCD. Chinese Physics C 44(8): 083104.
• Broggio, Alessandro, Ferroglia, Andrea, Frederix, Rikkert, Pagani, Davide, Pecjak, Benjamin D. & Tsinikos, Ioannis (2019). Top-quark pair hadroproduction in association with a heavy boson at NLO+NNLL including EW corrections. Journal of High Energy Physics 2019(8): 39.
• Gauld, Rhorry, Haisch, Ulrich & Pecjak, Benjamin D. (2019). Asymmetric heavy-quark hadroproduction at LHCb: predictions and applications. Journal of High Energy Physics 2019(3): 166.
• Pecjak, Benjamin D., Scott, Darren J., Wang, Xing & Yang, Li Lin (2019). Resummation for rapidity distributions in top-quark pair production. Journal of High Energy Physics 2019(3): 60.
• Czakon, Michal, Ferroglia, Andrea, Heymes, David, Mitov, Alexander, Pecjak, Ben D., Scott, Darren J., Wang, Xing & Yang, Li Lin (2018). Resummation for (boosted) top-quark pair production at NNLO+NNLL′ in QCD. Journal of High Energy Physics 2018(5): 149.
• Broggio, Alessandro, Ferroglia, Andrea, Ossola, Giovanni, Pecjak, Ben D. & Sameshima, Ray D. (2017). Associated production of a top pair and a Z boson at the LHC to NNLL accuracy. Journal of High Energy Physics 2017(04): 105.
• Broggio, A., Ferroglia, A., Pecjak, B.D. & Yang, L.L. (2017). NNLL resummation for the associated production of a top pair and a Higgs boson at the LHC. Journal of High Energy Physics 2017(2): 126.
• Becher, Thomas, Pecjak, Benjamin D. & Shao, Ding Yu (2016). Factorization for the light-jet mass and hemisphere soft function. Journal of High Energy Physics 2016(12): 18.
• Gauld, R., Pecjak, B.D. & Scott, D.J. (2016). QCD radiative corrections for h→bb¯ in the standard model dimension-6 effective field theory. Physical Review D 94(7): 074045.
• Broggio, A., Ferroglia, A., Ossola, G. & Pecjak, B.D. (2016). Associated production of a top pair and a W boson at next-to-next-to-leading logarithmic accuracy. Journal of High Energy Physics 2016(09): 089.
• Pecjak, Benjamin D., Scott, Darren J., Wang, Xing & Yang, Li Lin (2016). Resummed differential cross sections for top-quark pairs at the LHC. Physical Review Letters 116(20): 202001.
• Gauld, Rhorry, Pecjak, Benjamin D. & Scott, Darren J. (2016). One-loop corrections to h → bb¯ and h → ττ¯ decays in the Standard Model dimension-6 EFT: four-fermion operators and the large-m t limit. Journal of High Energy Physics 2016(5): 080.
• Broggio, Alessandro, Ferroglia, Andrea, Pecjak, Ben D., Signer, Adrian & Yang, Li Lin (2016). Associated production of a top pair and a Higgs boson beyond NLO. Journal of High Energy Physics 2016(3): 124.
• Gauld, Rhorry, Haisch, Ulrich, Pecjak, Ben D. & Re, Emanuele (2015). Beauty-quark and charm-quark pair production asymmetries at LHCb. Physical Review D 92(3): 034007.
• Broggio, Alessandro, Ferroglia, Andrea, Pecjak, Ben D. & Zhang, Zhibai (2014). NNLO hard functions in massless QCD. Journal of high energy physics 2014(12): 005.
• Bobeth, Christoph, Haisch, Ulrich, Lenz, Alexander, Pecjak, Ben & Tetlalmatzi-Xolocotzi, Gilberto (2014). On new physics in Delta Gammad. Journal of High Energy Physics 2014(6): 40.
• Ferroglia, Andrea, Marzani, Simone, Pecjak, Ben D. & Yang, Li Lin (2014). Boosted top production: factorization and resummation for single-particle inclusive distributions. Journal of high energy physics 2014(1): 028.
• Ferroglia, Andrea, Pecjak, Ben D. & Yang, Li Lin (2013). Top-quark pair production at high invariant mass: an NNLO soft plus virtual approximation. Journal of high energy physics 2013(9): 032.
• Ferroglia, Andrea, Pecjak, Ben D. & Yang, Li Lin (2012). The NNLO soft function for the pair invariant mass distribution of boosted top quarks. Journal of High Energy Physics 2012(10): 180.
• Kidonakis, Nikolaos & Pecjak, Ben D. (2012). Top-quark production and QCD. The European Physical Journal C 72(7): 2084.
• Ferroglia, Andrea, Pecjak, Ben D. & Yang, Li Lin (2012). Soft-gluon resummation for boosted top-quark production at hadron colliders. Physical Review D 86(3): 034010.
• Ahrens, Valentin, Ferroglia, Andrea, Neubert, Matthias, Pecjak, Ben D. & Yang, Li-Lin (2011). RG-improved single-particle inclusive cross sections and forward-backward asymmetry in tt¯tt¯ production at hadron colliders. Journal of High Energy Physics 2011(9): 070.
• Ahrens, Valentin, Ferroglia, Andrea, Neubert, Matthias, Pecjak, Ben D. & Yang, Li Lin (2011). Top-pair forward-backward asymmetry beyond next-to-leading order. Physical Review D: Particles, Fields, Gravitation and Cosmology 84(7): 074004.
• Mannel, T., Pecjak, B.D. & Pivovarov, A.A. (2011). Sum rule estimate of the subleading non-perturbative contributions to B s –B¯sB¯s mixing. The European Physical Journal C 71(4): 1607.
• Ahrens, Valentin, Ferroglia, Andrea, Neubert, Matthias, Pecjak, Ben D. & Yang, Li Lin (2011). Precision predictions for the t+t(bar) production cross section at hadron colliders. Physics Letters B 703(2): 135-141.
• Ahrens, Valentin Ferroglia, Andrea Neubert, Matthias Pecjak, Ben D. & Yang, Li Lin (2010). Renormalization-Group Improved Predictions for Top-Quark Pair Production at Hadron Colliders. Journal of High Energy Physics 2010(9): 97.
• Ahrens, Valentin Ferroglia, Andrea Neubert, Matthias Pecjak, Ben D. & Yang, Li Lin (2010). Threshold expansion at order alpha(s)**4 for the t t-bar invariant mass distribution at hadron colliders. Physics Letters B 687(4-5): 331-337.
• M. Antonelli, D.M. Asner, D. Bauer, T. Becher, M. Beneke, A.J. Bevan, M. Blanke, C. Bloise, M. Bona, A. Bondar, C. Bozzi, J. Brod, A.J. Buras, N. Cabibbo, A. Carbone, G. Cavoto, V. Cirigliano, M. Ciuchini, J.P. Coleman, D.P. Cronin-Hennessy, J.P. Dalseno, C.H. Davies, F. DiLodovico, J. Dingfelder, Z. Dolezal, S. Donati, W. Dungel, U. Egede, G. Eigen, R. Faccini, T. Feldmann, F. Ferroni, J.M. Flynn, E. Franco, M. Fujikawa, I.K. Furic, P. Gambino, E. Gardi, T.J. Gershon, S. Giagu, E. Golowich, T. Goto, C. Greub, C. Grojean, D. Guadagnoli, U. A. Haisch, R.F. Harr, A.H. Hoang, T. Hurth, G. Isidori, D.E. Jaffe, A. Jüttner, S. Jäger, A. Khodjamirian, P. Koppenburg, R. V. Kowalewski, P. Krokovny, A. S. Kronfeld, J. Laiho, G. Lanfranchi, T. E. Latham, J. Libby, A. Limosani, D. Lopes Pegna, C. D. Lu, V. Lubicz, E. Lunghi, V. G. Lüth, K. Maltman, W. J. Marciano, E. C. Martin, G. Martinelli, F. Martinez-Vidal, A. Masiero, V. Mateu, F. Mescia, G. Mohanty, M. Moulson, M. Neubert, H. Neufeld, S. Nishida, N. Offen, M. Palutan, P. Paradisi, Z. Parsa, E. Passemar, M. Patel, B. D. Pecjak, A. A. Petrov, A. Pich, M. Pierini, B. Plaster, A. Powell, S. Prell, J. Rademaker, M. Rescigno, S. Ricciardi, P. Robbe, E. Rodrigues, M. Rotondo, R. Sacco, C. J. Schilling, O. Schneider, E. E. Scholz, B. A. Schumm, C. Schwanda, A. J. Schwartz, B. Sciascia, J. Serrano, J. Shigemitsu, I. J. Shipsey, A. Sibidanov, L. Silvestrini, F. Simonetto, S. Simula, C. Smith, A. Soni, L. Sonnenschein, V. Sordini, M. Sozzi, T. Spadaro, P. Spradlin, A. Stocchi, N. Tantalo, C. Tarantino, A. V. Telnov, D. Tonelli, I. S. Towner, K. Trabelsi, P. Urquijo, R. S. Van de Water, R. J. Van Kooten, J. Virto, G. Volpi, R. Wanke, S. Westhoff, G. Wilkinson, M. Wingate, Y. Xie & J. Zupan (2010). Flavor physics in the quark sector. Physics Reports 494(3-4): 197-414.
• Greub, C., Neubert, M. & Pecjak, B.D. (2010). NNLO corrections to B¯→Xuℓν¯ℓ and the determination of |V ub |. The European Physical Journal C 65(3-4): 501-515.
• Ferroglia, Andrea Neubert, Matthias Pecjak, Ben D. & Yang, Li Lin (2009). Two-loop divergences of QCD scattering amplitudes with massive partons. Physical Review Letters 103(20): 201601.
• Ferroglia, Andrea Neubert, Matthias Pecjak, Ben D. & Yang, Li Lin (2009). Two-loop divergences of massive scattering amplitudes in non-abelian gauge theories. Journal of High Energy Physics 2009(11): 062.
• Ali, Ahmed Pecjak, Ben D. & Greub, Christoph (2008). Towards B→Vγ decays at NNLO in SCET. The European Physical Journal C 55(4): 577-595.
• Asatrian, H.M. Greub, C. & Pecjak, B.D. (2008). Next-to-next-to-leading order corrections to anti-B ---> X(u) l anti-nu in the shape-function region. Physical Review D 78(11): 114028.
• Becher, Thomas, Neubert, Matthias & Pecjak, Ben D. (2007). Factorization and Momentum-Space Resummation in Deep-Inelastic Scattering. JHEP 01: 076.
• Boos, H., Feldmann, Th., Mannel, T. & Pecjak, B. D. (2006). Can anti-B --> X(c) l anti-nu l help us extract |V(ub)|? JHEP 05: 056.
• Boos, H., Feldmann, Th., Mannel, T. & Pecjak, B. D. (2006). Shape functions from anti-B --> X(c)l anti-nu(l). Phys. Rev D73: 036003.
• Pecjak, Ben D. (2005). Non-factorizable contributions to deep inelastic scattering at large x. JHEP 10: 040.
• Beneke, M., Campanario, F., Mannel, T. & Pecjak, B. D. (2005). Power corrections to anti-B --> X(u) l anti-nu (X(s) gamma) decay spectra in the 'shape-function' region. JHEP 06: 071.
• Neubert, Matthias & Pecjak, Ben D. (2002). Higher order corrections to QCD factorization in B --> pi K, pi pi decays. Journal of high energy physics 2002(02): 028.
• Becher, Thomas, Neubert, Matthias & Pecjak, Ben D. (2001). Asymptotics of QCD factorization in exclusive hadronic decays of B mesons. Nucl. Phys B619: 538-564.