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First measurements of the differential positronium-formation cross-sections

Positrons are the antimatter version of electrons and so their fate in a matter world is ultimately to annihilate. However, prior to this, a positron may combine with an electron to form a matter-antimatter hybrid called positronium. This is akin to a hydrogen atom with the proton replaced by a positron. Fundamental to our understanding of the physical universe, positron and positronium are these days also acknowledged as being fantastically useful in practical applications such as probing material properties and medical diagnostics. However, there is still much that we do not know for sure about the details of the interactions of these particles with ordinary matter. For example if, in a collision with an atom or molecule, a positron captures an electron, in which directions is the positronium likely to travel and with what probability? More...

Published: Jun 17, 2015 12:35:19 PM

CO2 Satellite

New calculations to improve carbon dioxide monitoring from space

How light of different colours is absorbed by carbon dioxide (CO2) can now be accurately predicted using new calculations developed by a UCL-led team of scientists. This will help climate scientists studying Earth’s greenhouse gas emissions to better interpret data collected from satellites and ground stations measuring CO2. More...

Published: Jun 15, 2015 10:29:10 AM

Watt Steam Engine

On quantum scales, there are many second laws of thermodynamics

New research from UCL has uncovered additional second laws of thermodynamics which complement the ordinary second law of thermodynamics, one of the most fundamental laws of nature. These new second laws are generally not noticeable except on very small scales, at which point, they become increasingly important. More...

Published: Feb 10, 2015 11:55:53 AM

Group Support and Policies

The AMOPP Group is committed to providing an inclusive, safe and respectful work environment, and to actively supporting all its group members. This page summarizes the resources available to staff, postdocs and students, and the different policies in place regarding harassment and bullying.

Creating a positive and inclusive work environment is a responsibility shared by all, and therefore all group members should educate themselves. Please do not ask or expect the survivors of harassment to do it for you. There is a large body of professional literature on harassment in the workplace, with this review recommended as a possible starting point. There are also numerous informative blogs tackling sexism in science, for example Women in Astronomy.

Policies:

  • The Department of Physics has endorsed the UCLU zero tolerance pledge for sexual harassment, making it official departmental policy.
  • The UCL Dignity at Work statement applies to all staff members (including postdocs) and covers all aspects of bullying, intimidation, harassment and victimisation.

Reaching out:

There are many routes to reporting any form of bullying or harassment. Group members can choose whichever route they feel most comfortable with.

  • All staff members, including postdocs, have a responsibility under the Dignity at Work guidelines to challenge unacceptable behaviours (whether on or off UCL premises) and support the targets of such behaviour. If you are targeted, you can approach any staff member that you feel comfortable talking to.
  • Students can approach Ruth Siddall who is UCL's student mediator and independent of any department. Everything that you tell Ruth is in strict confidence and she will not take any further action unless you ask her to.
  • Students can seek advice from the Student Union for advice and support.
  • Anyone can make a formal complaint directly to the Head of Department, Prof Jon Butterworth, to the UCL Registrar (students) or to the UCL Director of Human Resources (staff)
  • Anyone can arrange to talk to UCL's community police officer. The first point of contact for anyone wishing to arrange a meeting is Ruth Siddall.
  • All group members can also contact the Departmental Equal Opportunities Liaison Officer, Julie Smith.

Procedures:

Should anyone decide to place a formal complaint (we stress again that this will only happen at the explicit request of someone coming forward), procedures will take place as prescribed by UCL Human Resources if the complaint is made against a staff member (including postdocs), or by the Academic Manual (in the case of complaints against students). Questions can be addressed to the UCL Registrar or to the UCL director of human resources.

Conferences: 

Group members are encouraged to request that conferences they are contributing to as invited speakers or SOC members put in place a code of conduct that spells out clear guidelines and the consequences for not following them (examples from UCL cosmology conference, Bash Symposium, STFC Summer School).