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The first moment of the kaon distribution amplitude from N(f) = 2+1 domain wall fermions

The first moment of the kaon distribution amplitude from N(f) = 2+1 domain wall fermions
The first moment of the kaon distribution amplitude from N(f) = 2+1 domain wall fermions
We present a lattice computation of the first moment of the kaon’s leading-twist distribution amplitude.
We use ensembles with 2+1 dynamical flavours of domain wall fermions and the Iwasaki
gauge action from the RBC and UKQCD joint dataset. We observe the expected chiral behaviour
and obtain hx i(2GeV) ? 3/5a1
K (2GeV) = 0.032(3), which agrees very well with other results
obtained using QCD sum-rules and the recent lattice result from the UKQCD/QCDSF collaboration
111
International School for Advanced Studies
Boyle, P. A.
d2737c8a-ba0a-4adc-9670-77aa7732cdeb
Donnellan, M.A.
6bd5bae7-734a-464e-93ce-370082719477
Flynn, J.M.
d8e90963-ba56-415c-bbd4-496b7d91d343
Jüttner, A.
83e336df-c2b2-455d-b9d4-9abbd490e930
Noaki, J.
508a0ce6-6010-4408-b4ca-d9b4497888ce
Sachrajda, C.T.
0ed6568b-f52f-4314-8677-4aeeb925d6f7
Tweedie, R.J.
c6bfd9bb-6c20-4ce7-aac1-48f6c3cf2f08
Jüttner, A.
Noaki, J.
De Tar, Carleton
Karsch, Frithjof
Kronfield, Andreas
Morningstar, Colin
Richards, David
Shigemitsu, Junko
Toussaint, Doug
Boyle, P. A.
d2737c8a-ba0a-4adc-9670-77aa7732cdeb
Donnellan, M.A.
6bd5bae7-734a-464e-93ce-370082719477
Flynn, J.M.
d8e90963-ba56-415c-bbd4-496b7d91d343
Jüttner, A.
83e336df-c2b2-455d-b9d4-9abbd490e930
Noaki, J.
508a0ce6-6010-4408-b4ca-d9b4497888ce
Sachrajda, C.T.
0ed6568b-f52f-4314-8677-4aeeb925d6f7
Tweedie, R.J.
c6bfd9bb-6c20-4ce7-aac1-48f6c3cf2f08
Jüttner, A.
Noaki, J.
De Tar, Carleton
Karsch, Frithjof
Kronfield, Andreas
Morningstar, Colin
Richards, David
Shigemitsu, Junko
Toussaint, Doug

Boyle, P. A., Donnellan, M.A., Flynn, J.M., Jüttner, A., Noaki, J., Sachrajda, C.T. and Tweedie, R.J. (2006) The first moment of the kaon distribution amplitude from N(f) = 2+1 domain wall fermions. Jüttner, A., Noaki, J., De Tar, Carleton, Karsch, Frithjof, Kronfield, Andreas, Morningstar, Colin, Richards, David, Shigemitsu, Junko and Toussaint, Doug (eds.) In Proceedings of Lattice 2006, the XXIV International Symposium on Lattice Field Theory. International School for Advanced Studies. 7 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

We present a lattice computation of the first moment of the kaon’s leading-twist distribution amplitude.
We use ensembles with 2+1 dynamical flavours of domain wall fermions and the Iwasaki
gauge action from the RBC and UKQCD joint dataset. We observe the expected chiral behaviour
and obtain hx i(2GeV) ? 3/5a1
K (2GeV) = 0.032(3), which agrees very well with other results
obtained using QCD sum-rules and the recent lattice result from the UKQCD/QCDSF collaboration

Full text not available from this repository.

More information

Published date: 2006
Venue - Dates: Lattice 2006, the XXIV International Symposium on Lattice Field Theory, 2006-07-23 - 2006-07-28

Identifiers

Local EPrints ID: 57117
URI: https://eprints.soton.ac.uk/id/eprint/57117
PURE UUID: d1d37d6b-456a-4b95-a2b7-e434e264f535
ORCID for J.M. Flynn: ORCID iD orcid.org/0000-0002-6280-1677

Catalogue record

Date deposited: 20 Aug 2008
Last modified: 14 Mar 2019 01:53

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Contributors

Author: P. A. Boyle
Author: M.A. Donnellan
Author: J.M. Flynn ORCID iD
Author: A. Jüttner
Author: J. Noaki
Author: C.T. Sachrajda
Author: R.J. Tweedie
Editor: A. Jüttner
Editor: J. Noaki
Editor: Carleton De Tar
Editor: Frithjof Karsch
Editor: Andreas Kronfield
Editor: Colin Morningstar
Editor: David Richards
Editor: Junko Shigemitsu
Editor: Doug Toussaint

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