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HiPPiE_at_LHC

High Precision PDFs for the precision Era at the Large Hadron Collider

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

HiPPiE_at_LHC project word cloud

Explore the words cloud of the HiPPiE_at_LHC project. It provides you a very rough idea of what is the project "HiPPiE_at_LHC" about.

computation mostly resummation outcome unknown physics houdeau precise observables parton first community collider interpretation accurate statistical lhc always framework energy limiting proposing cacciari resummations producing conceptual fit expansion functions physical solid standard high extension additions frontier theory carry data generations hadron probability improvements twofold theoretical approximate phenomenology precision ingredients time perturbative compute obvious pdfs quality estimating techniques statistically threshold predictions lack bayesian assessing differential overcome improvement door usability contain exact substantial reliability hippie perturbation fitted milestone

Project "HiPPiE_at_LHC" data sheet

The following table provides information about the project.

Coordinator	ISTITUTO NAZIONALE DI FISICA NUCLEARE Organization address address: Via Enrico Fermi 40 city: FRASCATI postcode: 44 website: www.infn.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Italy [IT]
Project website	http://www.ge.infn.it/
Total cost	180˙277 €
EC max contribution	180˙277 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2016
Funding Scheme	MSCA-IF-EF-ST
Starting year	2017
Duration (year-month-day)	from 2017-11-01 to 2019-10-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	ISTITUTO NAZIONALE DI FISICA NUCLEARE ISTITUTO NAZIONALE DI FISICA NUCLEARE Organization address address: Via Enrico Fermi 40 city: FRASCATI postcode: 44 website: www.infn.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IT (FRASCATI)	coordinator	180˙277.00

Map

Project objective

High precision is the next frontier for the Large Hadron Collider (LHC). It requires accurate and precise theoretical predictions. The goal of this project is twofold: establish a statistically solid framework for estimating the uncertainty on theoretical predictions, and producing more precise higher-order parton distribution functions (PDFs).

Theoretical predictions are not exact, and carry therefore an uncertainty due to the approximate method (perturbation theory) used to compute physical observables. Assessing this uncertainty is not obvious, and standard techniques are not always reliable and lack of statistical interpretation, limiting their usability. HiPPiE@LHC will overcome these problems by proposing a Bayesian approach to assess theory uncertainties, which will make use of all the information available on the perturbative expansion and will provide a probability distribution for the unknown exact result. The approach will be similar to the Cacciari-Houdeau method, but will contain several conceptual and technical improvements, which will effectively make it more reliable.

Then, new PDFs will be fitted from data using higher-order theoretical predictions, mostly based on all-order resummations, and including for the first time theory uncertainties. The computation of all the new ingredients needed to achieve this task will be part of the project. This also include the development of novel techniques (e.g., the extension of threshold resummation to fully differential level). These additions will increase the reliability and quality of the fit. The new PDFs will represent a substantial improvement over previous generations, and will be crucial for achieving higher precision in theoretical predictions.

The outcome of this project will be a milestone for the High-Energy Physics community, and will open the door to high precision phenomenology in the next phase of the LHC.

Publications

List of publications.
year	authors and title	journal	last update
2019	M.Cepeda et al Higgs physics at the HL-LHC and HE-LHC published pages: , ISSN: , DOI: 10.23731/cyrm-2019-007.221	CERN Yellow Reports: Monographs Vol 7 (2019)	2020-03-12
2018	Hamed Abdolmaleki, Valerio Bertone, Daniel Britzger, Stefano Camarda, Amanda Cooper-Sarkar, Francesco Giuli, Alexander Glazov, Aleksander Kusina, Agnieszka Luszczak, Fred Olness, Andrey Sapronov, Pavel Shvydkin, Katarzyna Wichmann, Oleksandr Zenaiev, Marco Bonvini Impact of low-x resummation on QCD analysis of HERA data published pages: , ISSN: 1434-6044, DOI: 10.1140/epjc/s10052-018-6090-8	The European Physical Journal C 78/8	2020-03-12
2019	Francesco Giuli, Marco Bonvini Improved description of the HERA data with a new simple PDF parametrization published pages: 14, ISSN: , DOI: 10.22323/1.352.0014	Proceedings of XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects â€” PoS(DIS2019)	2020-03-12
2019	A. Abada, M. Abbrescia, S. S. AbdusSalam, I. Abdyukhanov, J. Abelleira Fernandez, A. Abramov, M. Aburaia, A. O. Acar, P. R. Adzic, P. Agrawal, J. A. Aguilar-Saavedra, J. J. Aguilera-Verdugo, M. Aiba, I. Aichinger, G. Aielli, A. Akay, A. Akhundov, H. Aksakal, J. L. Albacete, S. Albergo, A. Alekou, M. Aleksa, R. Aleksan, R. M. Alemany Fernandez, Y. Alexahin, R. G. AlÃa, S. Alioli, N. Alipour Tehran HE-LHC: The High-Energy Large Hadron Collider published pages: 1109-1382, ISSN: 1951-6355, DOI: 10.1140/epjst/e2019-900088-6	The European Physical Journal Special Topics 228/5	2020-03-12
2018	Marco Bonvini, Simone Marzani Double Resummation for Higgs Production published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.120.202003	Physical Review Letters 120/20	2020-03-12
2019	A. Abada, M. Abbrescia, S. S. AbdusSalam, I. Abdyukhanov, J. Abelleira Fernandez, A. Abramov, M. Aburaia, A. O. Acar, P. R. Adzic, P. Agrawal, J. A. Aguilar-Saavedra, J. J. Aguilera-Verdugo, M. Aiba, I. Aichinger, G. Aielli, A. Akay, A. Akhundov, H. Aksakal, J. L. Albacete, S. Albergo, A. Alekou, M. Aleksa, R. Aleksan, R. M. Alemany Fernandez, Y. Alexahin, R. G. AlÃa, S. Alioli, N. Alipour Tehran FCC-hh: The Hadron Collider published pages: 755-1107, ISSN: 1951-6355, DOI: 10.1140/epjst/e2019-900087-0	The European Physical Journal Special Topics 228/4	2020-03-12
2019	A. Abada, M. Abbrescia, S. S. AbdusSalam, I. Abdyukhanov, J. Abelleira Fernandez, A. Abramov, M. Aburaia, A. O. Acar, P. R. Adzic, P. Agrawal, J. A. Aguilar-Saavedra, J. J. Aguilera-Verdugo, M. Aiba, I. Aichinger, G. Aielli, A. Akay, A. Akhundov, H. Aksakal, J. L. Albacete, S. Albergo, A. Alekou, M. Aleksa, R. Aleksan, R. M. Alemany Fernandez, Y. Alexahin, R. G. AlÃa, S. Alioli, N. Alipour Tehran FCC-ee: The Lepton Collider published pages: 261-623, ISSN: 1951-6355, DOI: 10.1140/epjst/e2019-900045-4	The European Physical Journal Special Topics 228/2	2020-03-12
2018	Marco Bonvini Small-x phenomenology at the LHC and beyond: HELLÂ 3.0 and the case of the Higgs cross section published pages: , ISSN: 1434-6044, DOI: 10.1140/epjc/s10052-018-6315-x	The European Physical Journal C 78/10	2020-03-12
2019	Marco Bonvini, Francesco Giuli A new simple PDF parametrization: Improved description of the HERA data published pages: , ISSN: 2190-5444, DOI: 10.1140/epjp/i2019-12872-x	The European Physical Journal Plus 134/10	2020-03-12
2018	Richard D. Ball, Valerio Bertone, Marco Bonvini, Simone Marzani, Juan Rojo, Luca Rottoli Parton distributions with small-x resummation: evidence for BFKL dynamics in HERA data published pages: , ISSN: 1434-6044, DOI: 10.1140/epjc/s10052-018-5774-4	The European Physical Journal C 78/4	2020-03-12
2017	Marco Bonvini, Simone Marzani, Claudio Muselli Towards parton distribution functions with small-x resummation: HELL 2.0 published pages: , ISSN: 1029-8479, DOI: 10.1007/jhep12(2017)117	Journal of High Energy Physics 2017/12	2020-03-12
2018	Marco Bonvini Recent progress in PDF theory published pages: 205, ISSN: , DOI: 10.22323/1.321.0205	Proceedings of Sixth Annual Conference on Large Hadron Collider Physics â€” PoS(LHCP2018)	2020-03-12
2019	M. Bonvini Recent Developments in Small-$x$ Resummation published pages: 873, ISSN: 1899-2358, DOI: 10.5506/aphyspolbsupp.12.873	Acta Physica Polonica B Proceedings Supplement 12/4	2020-03-12
2019	A. Abada, M. Abbrescia, S. S. AbdusSalam, I. Abdyukhanov, J. Abelleira Fernandez, A. Abramov, M. Aburaia, A. O. Acar, P. R. Adzic, P. Agrawal, J. A. Aguilar-Saavedra, J. J. Aguilera-Verdugo, M. Aiba, I. Aichinger, G. Aielli, A. Akay, A. Akhundov, H. Aksakal, J. L. Albacete, S. Albergo, A. Alekou, M. Aleksa, R. Aleksan, R. M. Alemany Fernandez, Y. Alexahin, R. G. AlÃa, S. Alioli, N. Alipour Tehran FCC Physics Opportunities published pages: , ISSN: 1434-6044, DOI: 10.1140/epjc/s10052-019-6904-3	The European Physical Journal C 79/6	2020-03-12
2018	Marco Bonvini, Simone Marzani Four-loop splitting functions at small x published pages: , ISSN: 1029-8479, DOI: 10.1007/jhep06(2018)145	Journal of High Energy Physics 2018/6	2020-03-12

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