{"paper":{"title":"Stochastic angular momentum slews and flips and their effect on discs in galaxy formation models","arxiv_id":"1311.3976","primary_cat":"astro-ph.GA","submitted_at":"2013-11-15T21:00:02+00:00","version_compiled":"v2"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13-20260917 on the question bank abstract-p1-20260923, exactly as returned. 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momentum of a galaxy disc as it accretes matter based on accurate measurements from dark-matter haloes in the Millennium II simulation.","hedge":{"p":0.97,"label":"asserted"},"own_p":0.9,"main_claim_p":0.04,"quantitative":false,"quantitative_p":0.09,"role_probabilities":{"gap":0.0,"method":0.57,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.43,"interpretation":0.0}},{"i":2,"p":0.81,"id":"s2","own":true,"role":"method","text":"In our semi-analytic model implementation, the flips seen the dark matter haloes are assumed to be the same for the cold baryons; however, we also assume that in the latter the flip also entails a difficulty for the disc to increase its angular momentum which causes the disc to become smaller relative to a no-flip case.","hedge":{"p":0.95,"label":"asserted"},"own_p":0.78,"main_claim_p":0.14,"quantitative":true,"quantitative_p":0.72,"role_probabilities":{"gap":0.0,"method":0.81,"result":0.02,"background":0.0,"limitation":0.05,"future_work":0.0,"contribution":0.11,"interpretation":0.01}},{"i":3,"p":0.77,"id":"s3","own":true,"role":"result","text":"This makes star formation to occur faster, specially in low mass galaxies at all redshifts allowing galaxies to reach higher stellar masses faster.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.82,"main_claim_p":0.19,"quantitative":false,"quantitative_p":0.39,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.77,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.23}},{"i":4,"p":0.81,"id":"s4","own":true,"role":"contribution","text":"We adopt a new condition for the triggering of starbursts during mergers.","hedge":{"p":0.98,"label":"asserted"},"own_p":0.89,"main_claim_p":0.04,"quantitative":false,"quantitative_p":0.05,"role_probabilities":{"gap":0.0,"method":0.19,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.81,"interpretation":0.0}},{"i":5,"p":0.73,"id":"s5","own":true,"role":"method","text":"As these produce the largest flips it is natural to adopt the disc instability criterion to evaluate the triggering of bursts in mergers instead of one based on mass ratios as in the original model.","hedge":{"p":0.62,"label":"asserted"},"own_p":0.65,"main_claim_p":0.06,"quantitative":false,"quantitative_p":0.31,"role_probabilities":{"gap":0.0,"method":0.73,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.17,"interpretation":0.1}},{"i":6,"p":1.0,"id":"s6","own":true,"role":"result","text":"The new implementation reduces the average lifetimes of discs by a factor of 2, while still allowing old ages for the present-day 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