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{{Infobox scientist
'''Pierre Darriulat''' (born 1938) is a French [[experimental physics|experimental physicist]]. He is currently a physics professor at [[VATLY laboratory]] in [[Hanoi]].
| name = Pierre Darriulat
| image =
| caption = Pierre Darriulat
| birth_date = {{birth date and age|1938|02|17|df=y}}
| birth_place = [[Eaubonne]], [[France]]
| residence = [[Hanoi]], [[Vietnam]]
| nationality = [[French people|France]]
| field = [[Physics]] ([[Particle physics]], [[astrophysics]])
| work_institutions = [[CERN]], [[Vietnam Academy of Science and Technology]]
| Universities = Physics Diploma [[École Polytechnique]] <br> [[University of Paris-Sud|University of Orsay]] Doctorate in Physics (1965)
| prizes = 1973 Joliot-Curie Award <br> 1987 [[French Alternative Energies and Atomic Energy Commission|Grand Prix de l’Académie des Sciences: prix du Commissariat à l’énergie atomique]] <br> 1985 Award from the [[French Academy of Science]] <br> 2008 André Lagarrigue Award <br> Honorary medal from the [[Ministry of Science and Technology (Vietnam)|Vietnamese Ministry of Sciences and Technology]] <br> Honorary medal from the Physical Society of Vietnam <br> 2014 Vietnamese Friendship Medal <br> 2016 Phan Chau Trinh Prize for education and culture <br> Honorary degree from the [[University of Pavia]]
}}


'''Pierre Darriulat''' (17 February 1938) is a [[France|French]] [[Experimental particle physics|experimental particle physicist]]. As staff member at [[CERN]], he contributed in several prestigious experiments. He was the spokesperson of the [[UA2 experiment|UA2 collaboration]] from 1981 to 1986, during which time the UA2 collaboration, together with the [[UA1 experiment|UA1 collaboration]], discovered the [[W and Z bosons]] in 1983.
Pierre Darriulat was a student of [[Ecole Polytechnique]], and earned his [[PhD]] from [[Université de Paris]] in 1965.<ref name=prize>{{cite web |url=http://prixlagarrigue.lal.in2p3.fr/wp-content/uploads/sites/2/2015/04/AnnoncePrix08-EN.pdf |title=2008 André Lagarrigue Prize|website=Prix Lagarrigue |access-date=22 June 2017}}</ref> From 1960 to 1966 he worked at [[French Alternative Energies and Atomic Energy Commission|the Atomic Energy Agency]] in France, before spending two years at [[https://en.wikipedia.org/wiki/Lawrence_Berkeley_National_Laboratory|LBL]] in USA.<ref name=prize/>


==Education==
Darriulat joined [[CERN]] in 1966, where he worked on several experiments. He was spokesman for a series of experiments at the [[Intersecting Storage Rings]]. In 1979, he became the leader of the [[UA2|UA2 collaboration]]. From 1987 to 1993, Darriulat was Director for Research at [[CERN]], in a period when the experiments at the [[Large Electron Positron Collider]] began its operation.<ref>{{Cite book|url=https://www.worldcat.org/oclc/60492406|title=Infinitely CERN : Memories of fifty years of research, 1954-2004.|last=nucléaire.|first=Organisation européenne pour la recherche|date=2004|publisher=CERN et Editions Suzanne Hurter|isbn=2940031339|oclc=60492406}}</ref>
Darriulat studied at [[École Polytechnique#Montagne Saint-Geneviève (1805-1976)|École Polytechnique]]. He served his military service in the [[French Navy]], and between 1962 and 1964 he spent two years at [[University of California, Berkeley|Berkeley]], United States, before receiving a PhD from the [[University of Paris-Sud|University of Orsay]] in 1965 on research done at Berkeley.


==Career and research==
Darriulat became member of [[French Academy of Sciences]] in 1986.<ref name=prize/>
Until the mid 1960's, Darriulat did his research on nuclear physics and took part in several experiments on scattering of deuterons and alpha particles.<ref>{{cite journal |last1=Arvieux |first1=J. |last2=Darriulat |first2=P. et al. |date=20 March 1967 |title=Elastic scattering of polarized deuterons from 4He Between 18 and 22 MeV |url=http://www.sciencedirect.com/science/article/pii/0375947467904393?via%3Dihub |journal=Nuclear Physics A |volume=94 |issue=3 |pages=663-672 |doi=10.1016/0375-9474(67)90439-3 |access-date=27 July 2017}}</ref><ref>{{cite journal |last1=Darriulat |first1=P. |last2=Igo |first2=G. et al. |date=25 January 1965 |title=Elastic Scattering of Alpha Particles by Helium Between 53 and 120 MeV |url=http://inspirehep.net/record/49413 |journal=Phys. Rev. 137 |volume=137 |issue=2B |pages= |doi=10.1103/PhysRev.137.B315 |access-date=27 July 2017}}</ref> Darriulat was employed at [[Saclay Nuclear Research Centre]], France.<ref name=CV>{{cite web |url=http://vietnamscience.vn/index.php/vistech/editorial_board/PierreDarriulat |title=CURRICULUM VITAE |last=Darriulat |first=Pierre |date=May 2016 |website=Vietnam Science & Technology |publisher=The Vietnamese Ministry of Science and Technology |access-date=27 July 2017 |quote=}}</ref>

After a few years at CERN as visiting physicist and CERN fellow, Darriulat was offered a tenure position in 1971.<ref name=CV/> For six years he was a member of the research group of [[Carlo Rubbia]], that made essential contributions to the physics of [[CP violation]] in the neutral [[kaon]] sector.<ref>{{cite journal |last1=Holder |first1=M. et al. |date=26 April 1972 |title=On the Decay {{math|K<sub>L</sub> &rarr; ''&pi;''<sup>0</sup>''&pi;<sup>0</sup>}} |url=http://inspirehep.net/record/75733 |journal=Physics Letters B |volume=40 |issue=1 |pages=141-146 |doi=10.1016/0370-2693(72)90304-8 |access-date=7 August 2017}}</ref><ref>{{cite journal |last1= Böhm |first1=A. et al. |date=15 March 1969 |title=The phase difference between {{math|K<sub>L</sub> &rarr; ''&pi;''<sup>+</sup>''&pi;<sup>–</sup>}} and {{math|K<sub>S</sub> &rarr; ''&pi;''<sup>+</sup>''&pi;<sup>–</sup>}} decay amplitudes |url=http://inspirehep.net/record/56242 |journal=Nuclear Physics B |volume=9 |issue=5 |pages=605-639 |doi=10.1016/0550-3213(69)90063-7 |access-date=7 August 2017}}</ref> He then took part in experiments conducted at the [[Intersecting Storage Rings]] ('''ISR''') — the world’s first [[hadron collider]].<ref>{{cite journal |last1=Clark |first1=A.G. |last2=Darriulat |first2=P. et al. |date=10 April 1978 |title=Inclusive π0 production from high-energy p-p collisions at very large transverse momenta |url=http://www.sciencedirect.com/science/article/pii/0370269378905701?via%3Dihub |journal=Phys. Lett. B |volume=74 |issue=3 |pages=267-272 |doi=10.1016/0370-2693(78)90570-1 |access-date=27 July 2017}}</ref> Using his experience from the ISR, Darriulat and collaborators proposed the [[UA2 experiment]] in 1978 at the commissioned [[Proton-Antiproton Collider]] — a modification of the [[Super Proton Synchrotron]].<ref>{{cite journal |last1=Banner |first1=M et al. |date=31 January 1978 |title=Proposal to Study Antiproton-Proton Interactions at 540 GeV CM Energy |url=http://cds.cern.ch/record/596804/files/CM-P00045649.pdf |journal=SPS Committee |volume= |issue= |pages= |doi= |access-date=24 July 2017}}</ref> Darriulat acted as the spokesperson for the experiment from 1981 to 1986. In 1983 the UA2 collaboration, together with the [[UA1 experiment|UA1 collaboration]], discovered the [[W and Z boson]], an important milestone in modern particle physics, as it confirmed the [[electroweak theory]]. The discovery led to the 1984 [[Nobel Prize in Physics]] being awarded to [[Carlo Rubbia]] and [[Simon van der Meer]] for their decisive contributions to the design and construction of the proton-antiproton collider.<ref>{{cite web |url=http://www.nobelprize.org/nobel_prizes/physics/laureates/1984/press.html |title=Press Release: The 1984 Nobel Prize in Physics |author=<!--Not stated--> |date=17 October 1984 |website=Nobelprize.org |publisher= |access-date=24 July 2017 |quote=}}</ref> Prior to the discovery the UA2 collaboration made the first observation of emission of [[quarks]] and [[gluons]] in the form of [[Jet (particle physics)|hadronic jet]] – an important experimental support of the theory of [[quantum chromodynamics]].<ref>{{cite journal |last1=UA2 Collaboration |date=2 December 1982 |title=Observation of very large transverse momentum jets at the CERN ppbar collider |url=http://www.sciencedirect.com/science/article/pii/0370269382906293?via%3Dihub |journal=Phys. Lett. B |volume=118 |issue=1-3 |pages=203-210 |doi=10.1016/0370-2693(82)90629-3 |access-date=27 July 2017}}</ref>

From 1987 to 1994 Darriulat held the position as Research Director at CERN, during which time the [[Large Electron–Positron Collider]] (LEP) began its operation. Subsequent, Darriulat turned to [[solid state physics]], conducting research in the field of [[superconductivity]] on the property of [[niobium]] films.<ref>{{cite journal |last1=Benvenuti |first1=C. |last2=Calatroni |first2=S. et al. |date=July 1997 |title=Studies of RF-superconductivity properties of niobium film-coated cavities at CERN |url=http://inspirehep.net/record/455577 |journal=Adv. Cryog. Eng., A |volume=43 |issue= |pages=77-85 |doi= |access-date=27 July 2017}}</ref>

In 2000, Darriulat launched a research group in [[Vietnam]], in which he is still active. The group does research in the field of [[astrophysics]]. They first did research on extreme energy [[cosmic ray]]s in collaboration with the [[Pierre Auger Observatory]]. Subsequently, the group turned to millimeter/submillimeter [[radio astronomy]], studying [[stellar physics]] and galaxies of the early Universe. The group is now the Department of Astrophysics of the Vietnam Space Centre at the [[Vietnam Academy of Science and Technology]].<ref>{{cite web |url=https://vnsc.org.vn/dap/|title=Department of AstroPhysics (DAP)|website=vnsc.org.vn |publisher=Vietnam National Satellite Center |access-date=7 August 2017 |quote=}}</ref>

==Awards and Honors==
*1973 Joliot-Curie Award
*1986 Member of the [[French Academy of Science]]
*1987 [[French Alternative Energies and Atomic Energy Commission|Grand Prix de l’Académie des Sciences: prix du Commissariat à l’énergie atomique]]
*1985 Award from the [[French Academy of Science]]
*1997 Nominated for the [[French Legion of Honour]]
*2008 André Lagarrigue Award <ref>{{cite web |url=http://prixlagarrigue.lal.in2p3.fr/wp-content/uploads/sites/2/2015/04/AnnoncePrix08-EN.pdf |title=2008 André Lagarrigue Prize |author=<!--Not stated--> |date= |website= |publisher= |access-date=27 July 2017 |quote=}}</ref>
*2014 Vietnamese Friendship Medal
*2016 Phan Chau Trinh Prize for education and culture
*Honorary degree from the [[University of Pavia]]

==Most Notable Publications==
*[http://www.philosciences.org/notices/document.php?id_document=557 Darriulat, P. (2007). Réflexions sur la science contemporaine. Les Ulis: EDP Sciences]
*[http://inspirehep.net/record/1598675/files/9789814749145_0006.pdf Darriulat, P. and Chohan, V. (2017). The CERN Antiproton Programme: Imagination and Audacity Rewarded. In: Technology Meets Research. Hamburg: World Sceintific, pp. 179-215]
*[http://cds.cern.ch/record/2103297 Darriulat P. and Di Lella, L. (2015). Revealing Partons in Hadrons> From the ISR til the SPS Collider. In: 60 years of CERN experiments and discoveries. World Scientific, pp. 313-341]
*[http://inspirehep.net/record/189048 UA2 Collaboration (1982), 'Observation of single isolated electrons of high transverse momentum in events with missing transverse energy at the CERN ppbar collider', Phys. Lett. B , vol. 122, no 5, pp. 476-485]
*[http://inspirehep.net/record/191740 UA2 Collaboration (1983), ‘Evidence for Z0 ---> e+ e- at the CERN anti-p p Collider’, Phys. Lett. B, vol. 129, no. 1-2, pp. 130-140]
*[http://inspirehep.net/record/244619 UA2 Collaboration, 1987, ‘Measurement of the Standard Model Parameters from a Study of W and Z Bosons’, Phys. Letter. B, vol. 186, pp. 440-451]
*[http://inspirehep.net/record/180797 UA2 Collaboration, 1982, ‘Observation of Very Large Transverse Momentum Jets at the CERN anti-p p Collider’, Phys. Lett. B, vol. 118, pp. 203-210]
*Darriulat, P. (2016), Looking at science and education in my second homeland, The Gioi, Viet Nam


==References==
==References==
{{Reflist}}
{{reflist|30em}}

==See also==
*[[UA2 experiment]]
*[[List of Super Proton Synchrotron experiments]]
*[[W and Z boson]]
==External links==
==External links==
*[http://cerncourier.com/cws/article/cern/29053 Darriulat, Pierre (2004). "The W and Z particles: a personal recollection", CERN Courier]
*[http://cerncourier.com/cws/article/cern/29053 The W and Z particles: a personal recollection (2004)]
*[http://inspirehep.net/author/profile/P.Darriulat.1 Scientific publications of Pierre Darriulat on INSPIRE-HEP]
{{physicist-stub}}{{DEFAULTSORT:Darriulat, Pierre}}


[[Category:French physicists]]
[[:Category:1938 births]]
[[Category:École Polytechnique alumni]]
[[:Category:People associated with CERN]]
[[:Category:Living people]]
[[:Category:Experimental physicists]]
[[:Category:French physicists]]
[[:Category:Particle physicists]]
[[:Category:Members of the French Academy of Sciences]]

Revision as of 10:19, 7 August 2017

Pierre Darriulat
Born (1938-02-17) 17 February 1938 (age 86)
NationalityFrance
Awards1973 Joliot-Curie Award
1987 Grand Prix de l’Académie des Sciences: prix du Commissariat à l’énergie atomique
1985 Award from the French Academy of Science
2008 André Lagarrigue Award
Honorary medal from the Vietnamese Ministry of Sciences and Technology
Honorary medal from the Physical Society of Vietnam
2014 Vietnamese Friendship Medal
2016 Phan Chau Trinh Prize for education and culture
Honorary degree from the University of Pavia
Scientific career
FieldsPhysics (Particle physics, astrophysics)
InstitutionsCERN, Vietnam Academy of Science and Technology

Pierre Darriulat (17 February 1938) is a French experimental particle physicist. As staff member at CERN, he contributed in several prestigious experiments. He was the spokesperson of the UA2 collaboration from 1981 to 1986, during which time the UA2 collaboration, together with the UA1 collaboration, discovered the W and Z bosons in 1983.

Education

Darriulat studied at École Polytechnique. He served his military service in the French Navy, and between 1962 and 1964 he spent two years at Berkeley, United States, before receiving a PhD from the University of Orsay in 1965 on research done at Berkeley.

Career and research

Until the mid 1960's, Darriulat did his research on nuclear physics and took part in several experiments on scattering of deuterons and alpha particles.[1][2] Darriulat was employed at Saclay Nuclear Research Centre, France.[3]

After a few years at CERN as visiting physicist and CERN fellow, Darriulat was offered a tenure position in 1971.[3] For six years he was a member of the research group of Carlo Rubbia, that made essential contributions to the physics of CP violation in the neutral kaon sector.[4][5] He then took part in experiments conducted at the Intersecting Storage Rings (ISR) — the world’s first hadron collider.[6] Using his experience from the ISR, Darriulat and collaborators proposed the UA2 experiment in 1978 at the commissioned Proton-Antiproton Collider — a modification of the Super Proton Synchrotron.[7] Darriulat acted as the spokesperson for the experiment from 1981 to 1986. In 1983 the UA2 collaboration, together with the UA1 collaboration, discovered the W and Z boson, an important milestone in modern particle physics, as it confirmed the electroweak theory. The discovery led to the 1984 Nobel Prize in Physics being awarded to Carlo Rubbia and Simon van der Meer for their decisive contributions to the design and construction of the proton-antiproton collider.[8] Prior to the discovery the UA2 collaboration made the first observation of emission of quarks and gluons in the form of hadronic jet – an important experimental support of the theory of quantum chromodynamics.[9]

From 1987 to 1994 Darriulat held the position as Research Director at CERN, during which time the Large Electron–Positron Collider (LEP) began its operation. Subsequent, Darriulat turned to solid state physics, conducting research in the field of superconductivity on the property of niobium films.[10]

In 2000, Darriulat launched a research group in Vietnam, in which he is still active. The group does research in the field of astrophysics. They first did research on extreme energy cosmic rays in collaboration with the Pierre Auger Observatory. Subsequently, the group turned to millimeter/submillimeter radio astronomy, studying stellar physics and galaxies of the early Universe. The group is now the Department of Astrophysics of the Vietnam Space Centre at the Vietnam Academy of Science and Technology.[11]

Awards and Honors

Most Notable Publications

References

  1. ^ Arvieux, J.; Darriulat, P.; et al. (20 March 1967). "Elastic scattering of polarized deuterons from 4He Between 18 and 22 MeV". Nuclear Physics A. 94 (3): 663–672. doi:10.1016/0375-9474(67)90439-3. Retrieved 27 July 2017. {{cite journal}}: Explicit use of et al. in: |first2= (help)
  2. ^ Darriulat, P.; Igo, G.; et al. (25 January 1965). "Elastic Scattering of Alpha Particles by Helium Between 53 and 120 MeV". Phys. Rev. 137. 137 (2B). doi:10.1103/PhysRev.137.B315. Retrieved 27 July 2017. {{cite journal}}: Explicit use of et al. in: |first2= (help)
  3. ^ a b Darriulat, Pierre (May 2016). "CURRICULUM VITAE". Vietnam Science & Technology. The Vietnamese Ministry of Science and Technology. Retrieved 27 July 2017.
  4. ^ Holder, M.; et al. (26 April 1972). "On the Decay KLπ0π0". Physics Letters B. 40 (1): 141–146. doi:10.1016/0370-2693(72)90304-8. Retrieved 7 August 2017. {{cite journal}}: Explicit use of et al. in: |first1= (help)
  5. ^ Böhm, A.; et al. (15 March 1969). "The phase difference between KLπ+π and KSπ+π decay amplitudes". Nuclear Physics B. 9 (5): 605–639. doi:10.1016/0550-3213(69)90063-7. Retrieved 7 August 2017. {{cite journal}}: Explicit use of et al. in: |first1= (help)
  6. ^ Clark, A.G.; Darriulat, P.; et al. (10 April 1978). "Inclusive π0 production from high-energy p-p collisions at very large transverse momenta". Phys. Lett. B. 74 (3): 267–272. doi:10.1016/0370-2693(78)90570-1. Retrieved 27 July 2017. {{cite journal}}: Explicit use of et al. in: |first2= (help)
  7. ^ Banner, M; et al. (31 January 1978). "Proposal to Study Antiproton-Proton Interactions at 540 GeV CM Energy" (PDF). SPS Committee. Retrieved 24 July 2017. {{cite journal}}: Explicit use of et al. in: |first1= (help)
  8. ^ "Press Release: The 1984 Nobel Prize in Physics". Nobelprize.org. 17 October 1984. Retrieved 24 July 2017.
  9. ^ UA2 Collaboration (2 December 1982). "Observation of very large transverse momentum jets at the CERN ppbar collider". Phys. Lett. B. 118 (1–3): 203–210. doi:10.1016/0370-2693(82)90629-3. Retrieved 27 July 2017.{{cite journal}}: CS1 maint: numeric names: authors list (link)
  10. ^ Benvenuti, C.; Calatroni, S.; et al. (July 1997). "Studies of RF-superconductivity properties of niobium film-coated cavities at CERN". Adv. Cryog. Eng., A. 43: 77–85. Retrieved 27 July 2017. {{cite journal}}: Explicit use of et al. in: |first2= (help)
  11. ^ "Department of AstroPhysics (DAP)". vnsc.org.vn. Vietnam National Satellite Center. Retrieved 7 August 2017.
  12. ^ "2008 André Lagarrigue Prize" (PDF). Retrieved 27 July 2017.

Category:1938 births Category:People associated with CERN Category:Living people Category:Experimental physicists Category:French physicists Category:Particle physicists Category:Members of the French Academy of Sciences