Fetching the paper…

Reading the bibliography…

The scale of soft resummation in SCET vs perturbative QCD · Around

2013

The scale of soft resummation in SCET vs perturbative QCD

Bonvini, Marco, Forte, Stefano, Ghezzi, Margherita et al.

Original
PDF
Post on X

Understand

We summarize and extend previous results on the comparison of threshold resummation, performed, using soft-collinear effective theory (SCET), in the Becher-Neubert approach, to the standard perturbative QCD formalism based on factorization and resummation of Mellin moments of partonic cross sections.

We show that the logarithmic accuracy of this SCET result can be extended by half a logarithmic order, thereby bringing it in full agreement with the standard QCD result if a suitable choice is made for the soft scale mu_s which characterizes the SCET result.
We provide a master formula relating the two approaches for other scale choices.
We then show that with the Becher-Neubert scale choice the Landau pole, which in the perturbative QCD approach is usually removed through power- or exponentially suppressed terms, in the SCET approach is removed by logarithmically subleading terms which break factorization.

Built on

G. F. Sterman, Nucl. Phys. B 281
1987
Earlier work this paper cites.
S. Catani and L. Trentadue, Nucl. Phys. B 327
1989
Earlier work this paper cites.
S. Catani, M. L. Mangano, P. Nason and L. Trentadue, Nucl. Phys. B 478
1996
Earlier work this paper cites.
H. Contopanagos, E. Laenen and G. F. Sterman, Nucl. Phys. B 484
1997
Earlier work this paper cites.
S. Catani, D. de Florian and M. Grazzini, JHEP 0105
2001
Earlier work this paper cites.
R. Hamberg, W. L. van Neerven and T. Matsuura, Nucl. Phys. B 359
2002
Earlier work this paper cites.

Similar

S. Forte and G. Ridolfi, Nucl. Phys. B 650
2003
Cited alongside, same era.
M. Dasgupta and G. P. Salam, J. Phys. G G 30
2004
Cited alongside, same era.
S. Forte, G. Ridolfi, J. Rojo and M. Ubiali, Phys. Lett. B 635
2006
Cited alongside, same era.
T. Becher and M. Neubert, Phys. Rev. Lett. 97
2006
Cited alongside, same era.
R. Abbate, S. Forte and G. Ridolfi, Phys. Lett. B 657
Original
2007
Cited alongside, same era.

Then

T. Becher, M. Neubert and G. Xu, JHEP 0807
Original
2008
Later among the works it cites.
M. Bonvini, S. Forte and G. Ridolfi, Nucl. Phys. B 847
Original
2011
Later among the works it cites.
R. Abbate, M. Fickinger, A. H. Hoang, V. Mateu and I. W. Stewart, Phys. Rev. D 83
Original
2011
Later among the works it cites.
M. Bonvini, S. Forte and G. Ridolfi, Phys. Rev. Lett. 109
Original
2012
Later among the works it cites.
M. Bonvini, S. Forte, M. Ghezzi and G. Ridolfi, Nucl. Phys. B 861
Original
2012
Later among the works it cites.

Beyond the bibliography

alphaXiv searches the wider corpus for related work and actual follow-ups.

Open on alphaXiv

alphaXiv is searching for related work…