LWC Navigate Record Detail Page To New Browser Tab

import { LightningElement, track } from 'lwc';
import { NavigationMixin } from 'lightning/navigation';

export default class TestComponent extends NavigationMixin(LightningElement) {

    @track accountId = '0018G00000KsFcJQAV';

    handlenavigateToAccountViewPage(event) {
        this[NavigationMixin.GenerateUrl]({
            type: 'standard__recordPage',
            attributes: {
                recordId: this.accountId,
                objectApiName: 'Account',
                actionName: 'view'
            }
        }).then(generatedUrl => {
            window.open(generatedUrl);
        });
    }
}