New evidence supporting the existence of the hypothetic X17 particle · HackerPapers discussions

New evidence supporting the existence of the hypothetic X17 particle — HN submission

Wed, 22 Jan 2020 21:04:29 GMT

Proposed Fifth Fundamental Force

17 points; 10 discussion replies on HN. Paper and source history. A submission is not an endorsement.

New evidence supporting the existence of the hypothetic X17 particle — mentioned by particleguy

Fri, 20 Dec 2019 20:40:54 GMT

This result isn't even peer-reviewed yet. All of this hype about the X17 particle is coming from a pre-print on the arXiv. https://arxiv.org/abs/1910.10459 They claim a 7.2 sigma result, but the distribution of the null-hypothesis (called PDF(exp) in the paper) was determined from simulations of one atomic transition and "external pair creation on the target backing", and the only source of systematic error they took into account was the position of the target relative to the beam-line. It seems a little paltry to me in terms of trying to take into account possible sources of error... And…

Paper and discussion history. A mention is not an endorsement.

New evidence supporting the existence of the hypothetic X17 particle — HN submission

Fri, 20 Dec 2019 18:01:50 GMT

New evidence supporting the existence of the hypothetic X17 particle

1 point; 0 discussion replies on HN. Paper and source history. A submission is not an endorsement.

New evidence supporting the existence of the hypothetic X17 particle — HN submission

Tue, 10 Dec 2019 16:40:46 GMT

New evidence supporting the existence of the hypothetic X17 particle

1 point; 0 discussion replies on HN. Paper and source history. A submission is not an endorsement.

New evidence supporting the existence of the hypothetic X17 particle — mentioned by deepnet

Sat, 23 Nov 2019 21:05:53 GMT

Mods please change the linked telegraph article it is awful. https://www.independent.co.uk/news/science/dark-matter-parti... is better or the Arxiv https://arxiv.org/abs/1910.10459

Paper and discussion history. A mention is not an endorsement.

New evidence supporting the existence of the hypothetic X17 particle — mentioned by crazygringo

Sat, 23 Nov 2019 20:59:29 GMT

Only article I can find that actually seems to have information: https://www.independent.co.uk/news/science/dark-matter-parti... With link to not-yet-peer-reviewed paper: https://arxiv.org/abs/1910.10459

Paper and discussion history. A mention is not an endorsement.

New evidence supporting the existence of the hypothetic X17 particle — HN submission

Sat, 23 Nov 2019 15:01:56 GMT

New evidence supporting the existence of the hypothetic X17 particle

4 points; 0 discussion replies on HN. Paper and source history. A submission is not an endorsement.

New evidence supporting the existence of the hypothetic X17 particle — HN submission

Thu, 21 Nov 2019 18:25:55 GMT

New evidence supporting the existence of the hypothetical X17 particle

18 points; 4 discussion replies on HN. Paper and source history. A submission is not an endorsement.

New evidence supporting the existence of the hypothetic X17 particle — HN submission

Wed, 20 Nov 2019 14:37:20 GMT

New evidence supporting the existence of the hypothetic X17 particle

6 points; 1 discussion reply on HN. Paper and source history. A submission is not an endorsement.