Scattering Amplitudes: from Geometry to EXperiment

Scattering Amplitudes: from Geometry to EXperiment
- Directors : John Joseph M. Carrasco ( ) et David A. Kosower ( )

Marie Skłodowska-Curie Innovative Training Network “SAGEX” (Scattering Amplitudes: from Geometry to EXperiment).

We invite applications for two three-year Early Stage Researcher (ESR) PhD studentships to start between October 1st 2018 (preferred) and April 30th 2019 in the domains of scattering amplitudes, double-copy constructions, on-shell methods in quantum and classical field theory, and perturbative QCD. The studentships will be funded by the recently awarded MSC Innovative Training Network (ITN) SAGEX (Grant no. 764850). SAGEX is a unique consortium that combines an international team of academic leaders in the research area of scattering amplitudes with a selection of world-leading industrial partners.

These two ESRs will be held at the Institute for Theoretical Physics (IPhT) at Saclay in the Paris suburbs, with secondments to partner institutions across Europe and the United States, as well as commercial partners. The IPhT is one of the premier theoretical physics research institutes in Europe. Its globally recognized researchers work on a broad range of topics including high-energy and mathematical physics, cosmology, astro-particle physics, condensed matter, and biophysics.

Accepted applicants will pursue a PhD degree to be awarded by the University of Paris–Saclay in one of two subjects: (a) Local loop-level recursion for nonplanar theories toward many applications including high precision solutions to classical gravitational radiation, supervised by Drs. Carrasco and Kosower, and (b) Two-loop QCD amplitudes for next-to-next-to-leading order calculations at the LHC, supervised by Dr. Kosower. Additional information is available at the SAGEX web site Details of ESR projects and secondments are provided below. The monthly stipend of the studentship will typically be around €2300 (gross) per month with €400 (gross) mobility allowance per month, and a family allowance (if applicable).

As part of the MSC ITN, there are strict eligibility requirements. At the time of appointment, an applicant must not have resided or carried out his or her main activity (work, studies) in France for more than 12 months in the three years immediately preceding the appointment; may not have been awarded a doctoral degree; and must be in the first four years of the individual’s research career. In addition, applicants must be currently enrolled in or have completed a master’s degree program in theoretical high-energy physics, and must have already completed at least one course in quantum field theory. Award of the studentship will be contingent on successful completion of the master's degree by one month prior to the anticipated start date. In addition, applicants must be fluent (reading, writing, and speaking) in English.

Candidates must be able to demonstrate their eligibility to work in France in accordance with current French law and French hiring restrictions on academic doctoral training contracts. The SAGEX consortium encourages and actively welcomes applicants with diverse backgrounds and life experiences.

Applications should include a CV and a transcript of bachelor’s and master’s courses with grades. Applicants should arrange for two letters of reference to be submitted. If the master’s program includes a thesis or internship, the supervisor should submit a letter of reference as well.

All materials should be supplied electronically only to  Applications and supporting material should be received by June 1, 2018 in order to receive full consideration.

* David A. Kosower (email: )
* John Joseph M. Carrasco (email: )
group page:

- Informations :  ipht-SAGEX-instructions.pdf


Maj : 28/05/2018 (846)


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