First results of ETMC simulations with Nf=2+1+1 maximally twisted mass fermions

R. Baron; B. Blossier; P. Boucaud; A. Deuzeman; V. Drach; F. Farchioni; V. Gimenez; G. Herdoiza; K. Jansen; C. Michael; I. Montvay; D. Palao; E. Pallante; O. Pène; S. Reker; C. Urbach; M. Wagner; U. Wenger; for the ETM Collaboration

First results of ETMC simulations with Nf=2+1+1 maximally twisted mass fermions

R. Baron, B. Blossier, P. Boucaud, A. Deuzeman, V. Drach, F. Farchioni, V. Gimenez, G. Herdoiza, K. Jansen, C. Michael, I. Montvay, D. Palao, E. Pallante, O. Pène, S. Reker, C. Urbach, M. Wagner, U. Wenger, for the ETM Collaboration

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Abstract

We present first results from runs performed with Nf=2+1+1 flavours of dynamical twisted mass fermions at maximal twist: a degenerate light doublet and a mass split heavy doublet. An overview of the input parameters and tuning status of our ensembles is given, together with a comparison with results obtained with Nf=2 flavours. The problem of extracting the mass of the K- and D-mesons is discussed, and the tuning of the strange and charm quark masses examined. Finally we compare two methods of extracting the lattice spacings to check the consistency of our data and we present some first results of ChiPT fits in the light meson sector.

Original language	English
Title of host publication	27th International Symposium on Lattice Field Theory (Lattice 2009)
Number of pages	8
Publication status	Published - 27-Nov-2009

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Baron, R., Blossier, B., Boucaud, P., Deuzeman, A., Drach, V., Farchioni, F., Gimenez, V., Herdoiza, G., Jansen, K., Michael, C., Montvay, I., Palao, D., Pallante, E., Pène, O., Reker, S., Urbach, C., Wagner, M., Wenger, U., & Collaboration, F. T. ETM. (2009). First results of ETMC simulations with Nf=2+1+1 maximally twisted mass fermions. In 27th International Symposium on Lattice Field Theory (Lattice 2009) (Lattice).

@inproceedings{bbfd17b001bb4629a331704a20eebd45,

title = "First results of ETMC simulations with Nf=2+1+1 maximally twisted mass fermions",

abstract = "We present first results from runs performed with Nf=2+1+1 flavours of dynamical twisted mass fermions at maximal twist: a degenerate light doublet and a mass split heavy doublet. An overview of the input parameters and tuning status of our ensembles is given, together with a comparison with results obtained with Nf=2 flavours. The problem of extracting the mass of the K- and D-mesons is discussed, and the tuning of the strange and charm quark masses examined. Finally we compare two methods of extracting the lattice spacings to check the consistency of our data and we present some first results of ChiPT fits in the light meson sector.",

keywords = "hep-lat",

author = "R. Baron and B. Blossier and P. Boucaud and A. Deuzeman and V. Drach and F. Farchioni and V. Gimenez and G. Herdoiza and K. Jansen and C. Michael and I. Montvay and D. Palao and E. Pallante and O. P{\`e}ne and S. Reker and C. Urbach and M. Wagner and U. Wenger and Collaboration, {for the ETM}",

note = "8 pages, 4 figures. Talk presented at the XXVII International Symposium on Lattice Field Theory, July 26-31 2009, Peking University, Beijing, China",

year = "2009",

month = nov,

day = "27",

language = "English",

series = "Lattice",

booktitle = "27th International Symposium on Lattice Field Theory (Lattice 2009)",

}

Baron, R, Blossier, B, Boucaud, P, Deuzeman, A, Drach, V, Farchioni, F, Gimenez, V, Herdoiza, G, Jansen, K, Michael, C, Montvay, I, Palao, D, Pallante, E, Pène, O, Reker, S, Urbach, C, Wagner, M, Wenger, U & Collaboration, FTETM 2009, First results of ETMC simulations with Nf=2+1+1 maximally twisted mass fermions. in 27th International Symposium on Lattice Field Theory (Lattice 2009) . Lattice.

TY - GEN

T1 - First results of ETMC simulations with Nf=2+1+1 maximally twisted mass fermions

AU - Baron, R.

AU - Blossier, B.

AU - Boucaud, P.

AU - Deuzeman, A.

AU - Drach, V.

AU - Farchioni, F.

AU - Gimenez, V.

AU - Herdoiza, G.

AU - Jansen, K.

AU - Michael, C.

AU - Montvay, I.

AU - Palao, D.

AU - Pallante, E.

AU - Pène, O.

AU - Reker, S.

AU - Urbach, C.

AU - Wagner, M.

AU - Wenger, U.

AU - Collaboration, for the ETM

N1 - 8 pages, 4 figures. Talk presented at the XXVII International Symposium on Lattice Field Theory, July 26-31 2009, Peking University, Beijing, China

PY - 2009/11/27

Y1 - 2009/11/27

N2 - We present first results from runs performed with Nf=2+1+1 flavours of dynamical twisted mass fermions at maximal twist: a degenerate light doublet and a mass split heavy doublet. An overview of the input parameters and tuning status of our ensembles is given, together with a comparison with results obtained with Nf=2 flavours. The problem of extracting the mass of the K- and D-mesons is discussed, and the tuning of the strange and charm quark masses examined. Finally we compare two methods of extracting the lattice spacings to check the consistency of our data and we present some first results of ChiPT fits in the light meson sector.

AB - We present first results from runs performed with Nf=2+1+1 flavours of dynamical twisted mass fermions at maximal twist: a degenerate light doublet and a mass split heavy doublet. An overview of the input parameters and tuning status of our ensembles is given, together with a comparison with results obtained with Nf=2 flavours. The problem of extracting the mass of the K- and D-mesons is discussed, and the tuning of the strange and charm quark masses examined. Finally we compare two methods of extracting the lattice spacings to check the consistency of our data and we present some first results of ChiPT fits in the light meson sector.

KW - hep-lat

UR - http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=91

M3 - Conference contribution

T3 - Lattice

BT - 27th International Symposium on Lattice Field Theory (Lattice 2009)

ER -

First results of ETMC simulations with Nf=2+1+1 maximally twisted mass fermions

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