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Titolo:
Calculation of K -> pi matrix elements in quenched domain-wall QCD
Autore:
Khan, AA; Aoki, S; Aoki, Y; Burkhalter, R; Ejiri, S; Fukugita, M; Hashimoto, S; Ishizuka, N; Iwasaki, Y; Izubuchi, T; Kanaya, K; Kaneko, T; Kuramashi, Y; Nagai, KI; Noaki, J; Okawa, M; Shanahan, HP; Taniguchi, Y; Ukawa, A; Yoshie, T;
Indirizzi:
Univ Tsukuba, Ctr Computat Phys, Tsukuba, Ibaraki 3058577, Japan Univ Tsukuba Tsukuba Ibaraki Japan 3058577 sukuba, Ibaraki 3058577, Japan Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058571, Japan Univ Tsukuba Tsukuba Ibaraki Japan 3058571 sukuba, Ibaraki 3058571, Japan
Titolo Testata:
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
, volume: 94, anno: 2001,
pagine: 283 - 286
SICI:
0920-5632(200103)94:<283:COK-PM>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
LATTICE QCD; FERMIONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Khan, AA Univ Tsukuba, Ctr Computat Phys, Tsukuba, Ibaraki 3058577, Japan Univ Tsukuba Tsukuba Ibaraki Japan 3058577 baraki 3058577, Japan
Citazione:
A.A. Khan et al., "Calculation of K -> pi matrix elements in quenched domain-wall QCD", NUCL PH B-P, 94, 2001, pp. 283-286

Abstract

We explore the possibility for an evaluation of non-leptonic DeltaS = 1 K decay amplitudes through the calculation of K --> pi matrix elements using domain-wall QCD. The relation between the physical K --> pi pi matrix elements and K --> pi matrix elements deduced from chiral perturbation theory isrecapitulated. Quenched numerical simulations are performed on an 16(3) x 32 x 16 lattice at a lattice spacing a(-1) approximate to 2GeV for both thestandard plaquette gauge action and a renormalization-group improved gaugeaction, and reasonable signals for K --> pi matrix elements are obtained. Preliminary results are reported on the K --> pi pi matrix elements, and results from two actions are compared.

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Documento generato il 04/04/20 alle ore 09:01:37