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How perturbative are heavy sea quarks? / Athenodorou, Andreas (Cyprus U. ; Cyprus Inst.) ; Finkenrath, Jacob (Cyprus Inst.) ; Knechtli, Francesco (Wuppertal U.) ; Korzec, Tomasz (Wuppertal U.) ; Leder, Björn (Humboldt U., Berlin) ; Krstić Marinković, Marina (Trinity Coll., Dublin) ; Sommer, Rainer (Julich, NIC ; Humboldt U., Berlin) /ALPHA Collaboration
Effects of heavy sea quarks on the low energy physics are described by an effective theory where the expansion parameter is the inverse quark mass, 1/$M$. At leading order in 1/$M$ (and neglecting light quark masses) the dependence of any low energy quantity on $M$ is given in terms of the ratio of $\Lambda$ parameters of the effective and the fundamental theory. [...]
arXiv:1809.03383; DESY 18-134; HU-EP-18/28; WUB/18-03; DESY-18-134; HU-EP-18-28; WUB-18-03.- 2019-06 - 38 p. - Published in : Nucl. Phys. B 943 (2019) 114612 Article from SCOAP3: PDF; Fulltext: PDF;

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Power corrections from decoupling of the charm quark / Knechtli, Francesco (Wuppertal U., Dept. Math.) ; Korzec, Tomasz (Wuppertal U., Dept. Math.) ; Leder, Björn (Humboldt U., Berlin) ; Moir, Graham (Cambridge U., DAMTP) /ALPHA Collaboration
Decoupling of heavy quarks at low energies can be described by means of an effective theory as shown by S. Weinberg in Ref. [...]
WUB-17-02; HU-EP-17-15; DAMTP-2017-22; arXiv:1706.04982.- 2017-11-10 - 7 p. Article from SCOAP3: PDF; Preprint: PDF;

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Physical and cut-off effects of heavy sea quarks / Knechtli, Francesco (Wuppertal U.) ; Finkenrath, Jacob (Wuppertal U.) ; Leder, Björn (Wuppertal U.) ; Athenodorou, Andreas (Cyprus U.) ; Bruno, Mattia (NIC, Zeuthen ; DESY, Zeuthen) ; Sommer, Rainer (NIC, Zeuthen ; DESY, Zeuthen) ; Marinkovic, Marina (CERN)
We simulate a theory with two dynamical O($a$) improved Wilson quarks whose mass $M$ ranges from a factor eight up to a factor two below the charm quark mass and at three values of the lattice spacing ranging from 0.066 to 0.034 fm. This theory is a prototype to study the decoupling of heavy quarks. [...]
arXiv:1411.1239; WUP-14-14; DESY-14-209; SFB-CPP-14-86; CERN-PH-TH-2014-215; WUP 14-14; DESY 14-209; SFB-CPP-14-86; CERN-PH-TH-2014-215.- SISSA, 2014-11-05 - 7 p. - Published in : PoS Lattice2014 (2014) 288 Fulltext: PDF; External link: Preprint
In : 32nd International Symposium on Lattice Field Theory, Columbia U., New York, NY, USA, 23 - 28 Jun 2014, pp.288

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Se også: lignende forfatternavn
7	Leder, B
1	Leder, B.
1	Leder, Bjoern
24	Leder, Bjorn

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