Nagy-Soper subtraction scheme for multiparton final states

28 May 2013 - Supercomputing Research Center, National Cheng Kung University, ...... [47] Rikkert Frederix, Stefano Frixione, Valentin Hirschi, Fabio ...

0 downloads 16 Views 495KB Size

Recommend Documents

May 28, 2013 - as well as the on-shell condition for all external particles before and after the mapping. Integrating .... level observable, while the first two conditions guarantee infrared and collinear safety of the observables ...... parton level

Dec 2, 2009 - Institut für Theoretische Physik, Universität Zürich, Wintherturerstrasse 190,. CH-8057 Zürich .... form part of the full set of antenna functions needed for NNLO calculations of hadron collider processes .... in the integrated form

Nov 21, 2016 - University of Edinburgh, Edinburgh EH9 3FD, United Kingdom. A new renormalization scheme is defined for fermion bilinears in QCD at non vanishing quark masses. This new scheme, denoted RI/mSMOM, preserves the benefits of the nonexcepti

Aug 29, 2016 - E-mail: [email protected] We introduce a new massive renormalization scheme, denoted mSMOM, as a modification of the existing RI/SMOM schem. We use SMOM for defining renormalized fermion bilinears in QCD at non-vanishing fermion

Jun 28, 2010 - needs a systematic strategy in order to improve the approximations which are ... One thus should make sure that no divergences are left uncanceled. ... p eip.x + ape−ip.x] ,. (2) with ε2 p = p2 + m2. From this decomposition, it is a

counting of Kaplan, Savage, and Wise (KSW), developed for systems with ... are treated non-perturbatively, while pion exchange as well as higher dimension operators are treated ..... 45.7 MeV, where Ed is the binding energy of the deuteron1. .... Phy

Nov 22, 2013 - Cheng Han Chung. Supercomputing Research Center, National Cheng Kung University ... the infrared divergence of real and virtual NLO contributions, which originate from different phase spaces: ..... call for (8+10) matrix element reeval

Jan 5, 2011 - the subtraction terms between soft and collinear limits and independence from the phase space parameterization achieved ..... substitutions), now a product of polynomials in Ç« (we keep only four terms in Eq. (36)), in the latter variab

Sep 24, 2004 - ANL-HEP-CP-04-90 ..... conservation one has ∑i Ti Sp(0) = Sp(0) Ta (Ta is the colour charge ... Sp(0)(p1,...,pm) is the corresponding tree level .... that of recursive infrared and collinear (IRC) safety which can be formulated as:.

Q2(1 − x)/x). The pair with the smallest value of yij are clustered, the process being repeated until all yij's are above ycut. The proton remnant is included in the clustering procedure as a 'pseudoparticle' carrying any missing longitudinal momen

Nov 1, 2011 - How are these degrees of freedom related with the quarks that appear in ...... It is a pleasure to thank S. Dalley and his colleagues for hosting a ...

Sep 28, 2017 - arXiv:1709.10084v1 [hep-ph] 28 Sep 2017 ... + fc = fa, so that the sum over a's contributions before the splitting. Hl,a = fa. ∑ j. fjPl(pa · pj). (6). 1 H0 = 1 by definition. If the lab frame is the CM frame, conservation of ... (I

Dec 20, 2006 - Institut für Theoretische Physik, Universität Zürich, Wintherturerstrasse 190,. CH-8057 Zürich ... The remaining soft and collinear poles cancel among each other only when all partonic channels are ..... integrated form cancel the

two-scale analysis of the effective potential in the O(N)-symmetric φ4-theory is performed. This calculation indicates that there is no stable vacuum in the bro- ... Clearly, one must go beyond the usual mass-independent renormalization schemes if m

May 7, 2011 - also can be interpreted in terms of different kind of tensor network), the scheme is variational, and, thus, the tensors can be optimized by .... [12, 13] that apply singular-value decompositions on the. “double tensor” product ...

Feb 17, 2016 - arXiv:1508.04323v2 [hep-ph] 17 Feb 2016. UWTHPH 2015-19. DESY 15-098. Variable Flavor Number Scheme for Final State Jets in DIS.

Feb 24, 2016 - state jets along the lines of the well-known flavor number dependent evolution of the strong coupling αs and the ... quark [1–3] affecting physics at the Large Hadron Collider. (LHC) and .... the matrix elements in the factorization

Dec 20, 2011 - M. Charles51, Ph. Charpentier37, N. Chiapolini39, K. Ciba37, X. Cid Vidal36,. G. Ciezarek49, P.E.L. Clarke46,37, ..... 700. 800. (MeV) m(J/ψ. ) K K. LHCb. +. -. Figure 1: Invariant mass of J/ψK+K− combinations. The vertical lines i

Jul 18, 2016 - 2)Institute for Advanced Study - Technische Universität München, Lichtenbergstr. ... The scheme is based on two correlation measures that enable a meaningful definition of chimera states .... spatial synchronization of the system, we

Jul 21, 2017 - In the tensor-network framework, the expectation values of two-dimensional quantum states ..... the only figure of merit concerning the accuracy.

Jun 23, 2014 - the endpoint region x → 1 and event shapes in the dijet limit, in particular the calculations of threshold corrections, consistency ... c Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommerc

Jonivar Skulleruda, Ayse Kızılersüb, Anthony G. Williamsb. aTheory Division, DESY ... vertex is of great interest for a number of rea- sons. Firstly, it allows us to ...

May 5, 2017 - ... spectroscopy. This difference makes both the observation and the data reduction strategy of ... In practice, the sky subtraction accuracy is considered good in the range 1%-2% (Elston & Barden 1989; ... that has been applied in the

Nov 10, 2009 - solution should be that perturbation theory must break down when p⊥ becomes of order. ΛQCD, or equivalently .... Experimentally, the problem is that a four-jet sample can contain a significant fraction of 2 → 4 ..... by an effecti