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Related papers: Factorization and Resummation in Soft-Collinear Ef…

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Soft-collinear effective theory (SCET) has become a standard tool to study the factorization of short- and long-distance effects in processes involving low-energetic (soft) particles and high-energetic/low-virtuality (collinear) modes. In…

High Energy Physics - Phenomenology · Physics 2009-06-25 Thorsten Feldmann

The main application of Heavy Quark Effective Theory (HQET) and of Soft Collinear Effective Theory (SCET) is in establishing factorization theorems for exclusive and semi-inclusive decays of heavy mesons. However, the calculation of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Benjamin Grinstein

Soft Collinear Effective Theory (SCET) is an effective field theory which describes the interactions of low invariant mass jets which are highly boosted with respect to one another. In the standard formulation of SCET, the effective…

High Energy Physics - Phenomenology · Physics 2013-05-30 Simon M. Freedman , Michael Luke

The proton form factors at large momentum transfer are dominated by two contributions which are associated with the hard and soft rescattering respectively. Motivated by a very active experimental form factor program at intermediate values…

High Energy Physics - Phenomenology · Physics 2015-03-17 Nikolai Kivel , Marc Vanderhaeghen

The accurate calculation of weak heavy-to-light form factors is crucial for the determination of CKM matrix elements from experimental data on B decays. In SCET, the soft-collinear effective theory, these form factors can, in the heavy…

High Energy Physics - Phenomenology · Physics 2007-05-23 Patricia Ball

We investigate sum rules for heavy-to-light transition form factors at large recoil derived from correlation functions with interpolating currents for light pseudoscalar or vector fields in soft-collinear effective theory (SCET). We…

High Energy Physics - Phenomenology · Physics 2009-02-18 F. De Fazio , Th. Feldmann , T. Hurth

Starting from the first renormalized factorization theorem for a process described at subleading power in soft-collinear effective theory, we discuss the resummation of Sudakov logarithms for such processes in renormalization-group improved…

High Energy Physics - Phenomenology · Physics 2021-07-14 Ze Long Liu , Bianka Mecaj , Matthias Neubert , Xing Wang

Heavy-to-light weak form factor is calculated using the light-cone sum rule (LCSR)in the framework of soft-collinear effective theory (SCET). There are spin-symmetric and spin-nonsymmetric contributions. Leading order spin-symmetric…

High Energy Physics - Phenomenology · Physics 2009-11-11 Jong-Phil Lee

The cross sections describing the transverse momentum distributions of Higgs bosons are discussed within the framework of unintegrated parton distributions obtained from the CCFM equations in the single loop approximation. It is shown how…

High Energy Physics - Phenomenology · Physics 2009-11-10 Agnieszka Gawron , Jan Kwiecinski

We develop a version of Soft Collinear Effective Theory (SCET) which includes finite quark masses, as well as Glauber gluons that describe the interaction of collinear partons with QCD matter. In the framework of this new effective field…

High Energy Physics - Phenomenology · Physics 2017-04-07 Zhong-Bo Kang , Felix Ringer , Ivan Vitev

We investigate the effect of QCD resummation to kinematical correlations in the Higgs boson plus high transverse momentum (Pt) jet events produced at hadron colliders. We show that at the complete one-loop order, the Collins-Soper-Sterman…

High Energy Physics - Phenomenology · Physics 2015-05-27 Peng Sun , C. -P. Yuan , Feng Yuan

We study the factorization and resummation of the transverse momentum spectrum of the color sextet and antitriplet scalars produced at the LHC based on soft-collinear effective theory. Compared to Z boson and Higgs production, a soft…

High Energy Physics - Phenomenology · Physics 2014-03-04 Ze Long Liu , Chong Sheng Li , Yan Wang , Yong Chuan Zhan , Hai Tao Li

We present results with soft-gluon resummation for the associated production of a single top quark and a Higgs boson. We present analytical results for the higher-order soft-gluon corrections and numerical results for the total cross…

High Energy Physics - Phenomenology · Physics 2022-08-08 Matthew Forslund , Nikolaos Kidonakis

A procedure is developed for using Soft Collinear Effective Theory (SCET) to generate fully exclusive events, which can then be compared to data from collider experiments. We show that SCET smoothly interpolates between QCD for hard…

High Energy Physics - Phenomenology · Physics 2008-11-26 Christian W. Bauer , Matthew D. Schwartz

The resummed differential thrust rate in e+e- annihilation is calculated using Soft-Collinear Effective Theory (SCET). The resulting distribution in the two-jet region T~1 is found to agree with the corresponding expression derived by the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Matthew D. Schwartz

Using an approach based on Soft Collinear Effective Theory (SCET) and Heavy Quark Effective Theory (HQET) we determine the $b$-quark fragmentation function from electron-positron annihilation data at the $Z$-boson peak at next-to-next-to…

High Energy Physics - Phenomenology · Physics 2016-12-21 Michael Fickinger , Sean Fleming , Chul Kim , Emanuele Mereghetti

We present a systematic discussion of Lambda_b -> Lambda transition form factors in the framework of soft-collinear effective theory (SCET). The universal soft form factor, which enters the symmetry relations in the limit of large recoil…

High Energy Physics - Phenomenology · Physics 2013-05-30 Thorsten Feldmann , Matthew W. Y. Yip

We analyze soft and collinear gluon resummation effects at the N$^3$LL level for Standard Model Higgs boson production via gluon fusion $gg\to H$ and the neutral scalar and pseudoscalar Higgs bosons of the minimal supersymmetric extension…

High Energy Physics - Phenomenology · Physics 2016-01-27 Timo Schmidt , Michael Spira

In this paper, the soft gluon resummation effect in the Higgs boson plus two-jet production at the LHC is studied. By applying the transverse momentum dependent factorization formalism, the large logarithms introduced by the small total…

High Energy Physics - Phenomenology · Physics 2019-10-02 Peng Sun , C. -P. Yuan , Feng Yuan

Helicity amplitudes are the fundamental ingredients of many QCD calculations for multi-leg processes. We describe how these can seamlessly be combined with resummation in Soft-Collinear Effective Theory (SCET), by constructing a helicity…

High Energy Physics - Phenomenology · Physics 2016-05-23 Ian Moult , Iain W. Stewart , Frank J. Tackmann , Wouter J. Waalewijn