Joaqu ín G ómez Camacho -  · archeometry , environmental sciences. Accelerator Mass...

CENTRO NACIONAL DE ACELERADORES CENTRO NACIONAL DE ACELERADORES (CNA)(CNA)

JoaquJoaquíín Gn Góómez Camachomez Camacho

IMFP Benasque, 13 IMFP Benasque, 13 FebruaryFebruary 20092009

MINISTERIO

DE EDUCACION Y CIENCIA

Parque TecnolParque TecnolParque TecnolParque TecnolParque TecnolParque TecnolParque TecnolParque Tecnolóóóóóóóógico Cartujagico Cartujagico Cartujagico Cartujagico Cartujagico Cartujagico Cartujagico Cartuja’’’’’’’’93, 93, 93, 93, 93, 93, 93, 93, Avda.ThomasAvda.ThomasAvda.ThomasAvda.ThomasAvda.ThomasAvda.ThomasAvda.ThomasAvda.Thomas Alva Edison nAlva Edison nAlva Edison nAlva Edison nAlva Edison nAlva Edison nAlva Edison nAlva Edison nºººººººº 7, E7, E7, E7, E7, E7, E7, E7, E--------41092 41092 41092 41092 41092 41092 41092 41092 –––––––– Sevilla. SpainSevilla. SpainSevilla. SpainSevilla. SpainSevilla. SpainSevilla. SpainSevilla. SpainSevilla. Spain

PhonePhonePhonePhonePhonePhonePhonePhone: +34.95.4460553, Fax: +34.95.4460145 : +34.95.4460553, Fax: +34.95.4460145 : +34.95.4460553, Fax: +34.95.4460145 : +34.95.4460553, Fax: +34.95.4460145 : +34.95.4460553, Fax: +34.95.4460145 : +34.95.4460553, Fax: +34.95.4460145 : +34.95.4460553, Fax: +34.95.4460145 : +34.95.4460553, Fax: +34.95.4460145 cna@us.escna@us.escna@us.escna@us.escna@us.escna@us.escna@us.escna@us.es

CNA CNA isis::

�� A A researchresearch centre.centre.

�� A A useruser facilityfacility (ICTS) open (ICTS) open toto thetheresearchresearch ofof external external scientistsscientists..

�� A A laboratorylaboratory whichwhich providesprovidesadvancedadvanced scientificscientific servicesservices..

�� A A goodgood environmentenvironment forfor thethe training training ofof scientistsscientists andand technicianstechnicians. .

CNA CNA structurestructure

Rector Council

(2 CSIC, 2 USE, 2 J.And.)

DirectorScientific Committee

(9 members)

Gerente SubdirectorTécnico

AsesorCientifico

Junta de Centro

Coordinador Tándem

Coordinador AMS

Unidad Técnica

UnidadIBA

UnidadAMS

UnidadFísicaNuclear

UnidadACOMETA

UnidadMedicina Nuclear

CNA CNA PersonnelPersonnel (Feb. 2009)(Feb. 2009)

�� Staff (Staff (permanentpermanent, , PhDPhD): ): 66

��DoctorsDoctors ((temptemp):): 1111

�� LicenciatesLicenciates ((temptemp):): 1010

�� AdministrationAdministration:: 33

�� TechniciansTechnicians:: 55

�� Total: Total: 3535

Objectives and research linesObjectives and research lines

��Materials scienceMaterials science

�� Nuclear science and technology.Nuclear science and technology.

�� Accelerator mass spectrometry (AMS)Accelerator mass spectrometry (AMS)

�� Production of PET isotopes and bioProduction of PET isotopes and bio--medical researchmedical research..

UserUser institutionsinstitutions (2007)(2007)

�� TotalTotal 5656

��CSIC CSIC institutesinstitutes 1313

��U. Sevilla U. Sevilla departmentsdepartments 44

�� ForeignForeign institutionsinstitutions 1313

��OtherOther spanishspanish universitiesuniversities 77

��CompaniesCompanies 55

��OthersOthers (OPI, (OPI, MuseumsMuseums,..),..) 1212

AcceleratorsAccelerators in CNAin CNA

�� TandemTandem van de van de GraaffGraaff, 3MV, 3MV

�� TandetronTandetron, 1MV, 1MV

��CiclotronCiclotron, , 18MeV18MeV ((protonsprotons), ), 9MeV9MeV((deuteronsdeuterons))

3 MV 3 MV tandemtandem

3 MV tandem van de Graaff

PELLETRON 3MVPELLETRON 3MVPELLETRON 3MVPELLETRON 3MV

FUENTEFUENTEFUENTEFUENTEALPHATROSSALPHATROSSALPHATROSSALPHATROSS

POSIC

IÓN

MANTENI

MIENTO

IMÁNSELECTOR

LÍNEA DEMICROHAZEXTERNO

LÍNEACANALIZACIÓN

LÍNEA DE IMPLANTACIÓN

LÍNEAMULTIPROPÓSITO

LÍNEA DEMICROSONDA

LÍNEA DE FISICA NUCLEAR

LÍNEA DEULTRAALTO VACÍO

DOBLETECUADRUPOLOS

IMÁN ANALIZADOR

ALMACENAMIENTO SF6TRIPLETE DE

CUADRUPOLOS

IMÁNINYECTOR

FUENTEFUENTEFUENTEFUENTESNICSSNICSSNICSSNICS

PUERTA DE HORMIGÓN

LABERINTO

3MV 3MV acceleratoraccelerator

Beam lines (7)Beam lines (7)

DeterminationDetermination ofof O by PIGEO by PIGE

5 0 0 1 0 0 0 1 5 0 0 2 0 0 0 2 5 0 0 3 0 0 0

1 0 0

1 0 0 0

1 0 0 0 0

YIE

LD

E N E R G Y (k e V )

7 0 0 7 5 0 8 0 0 8 5 0 9 0 0 9 5 0 1 0 0 0

1 0 0 0R γγγγ - 8 7 1 k eV

YIE

LD

E N E R G Y (k e V )

800 nm-thick AlNon Si(100) with [O] = 0.6 at. %

DetecciDeteccióón de Rayosn de Rayos-- γγ a 871 a 871 keVkeVemitidos por el primer estado excitado emitidos por el primer estado excitado del del 1717O producido en la reacciO producido en la reaccióón n 1616O(d, pO(d, p11γγ))1717O* a 1.43 O* a 1.43 MeVMeV, , θθ=90=90ºº

Yolanda Morilla GarcYolanda Morilla Garcííaa

External External beambeam

0 5 10 15 20 25 30

5

10

15

20

25

30 70

75

80

85

90

95

100

Ag (%)

Écija Linares Ébora El Pedroso Giribaile La Joya

Cu (%)

Au (%)

Setefilla Mairena Utrera Cádiz I Cádiz II El Carambolo

Las muestras grandes pueden ser analizadas gracias al haz Las muestras grandes pueden ser analizadas gracias al haz

externo. En pocos minutos, se puede obtener, de manera no externo. En pocos minutos, se puede obtener, de manera no

destructiva, la composicidestructiva, la composicióón isotn isotóópica de objetos de valor artpica de objetos de valor artíístico.stico.

InInéés Ortega Felis Ortega Feliúú

Micro-probe µ-PIXE

A15 Scan 100x100 µm2

HP3 Scan 75x75 µm2

Pu (Lα)

Pu (Lα)U (Lα)

U (Lα)

Maria del Carmen JimMaria del Carmen Jiméénez Ramos y Javier Garcnez Ramos y Javier Garcíía La Lóópezpez

Mapa de concentraciMapa de concentracióón de n de PuPu y y

U en partU en partíículas calientes culas calientes

provenientes del accidente provenientes del accidente

nuclear de Palomares. Ambos nuclear de Palomares. Ambos

elementos estelementos estáán confinados a la n confinados a la

propia partpropia partíícula.cula.

TrackingTracking detectorsdetectors forfor FAIRFAIR

Diamond detector tests (U. HuelvaDiamond detector tests (U. Huelva--

GSIGSI--CNA)CNA)

CyclotronCyclotron

CyclotronCyclotron 18 18 MeVMeV ((protonsprotons), 9 ), 9

MeVMeV ((deuteronsdeuterons))

7 7 portsports forfor productionproduction ofofradioisotopesradioisotopes PET:PET:

1818F, F, 1111C, C, 1313N, N, 1515OO

1 external 1 external beambeam: : ionicionicimplantationimplantation, , radiationradiation damagedamage ……

RadioRadio--pharmacypharmacy

BiomoleculesBiomolecules markedmarked withwith 1818F, F, 1111C,C,1313NHNH33 y Hy H22

1515O O usedused forfor researchresearch andanddiagnosticsdiagnostics

CNA CNA providesprovides FDG FDG toto PET PET centerscenters. . ContractContract withwith andalousianandalousian HealthHealthserviceservice..

PET scanner PET scanner forfor

smallsmall animalsanimals

�� ApplicationApplication forfor prepre--clinicalclinical researchresearch

ImagesImages takentaken in CNA in CNA withwith 1818FF

Juan JosJuan Joséé Chao SuancesChao Suances

SARA:SARA:((SpanishSpanish AcceleratorAccelerator forforRadionuclideRadionuclide AnalysisAnalysis))

1 MV 1 MV massmassspectrometerspectrometer

SARA, AMS system in CNA

SARA, el sistema de AMS del CNAAcelerador Acelerador Acelerador Acelerador

(1MV)(1MV)(1MV)(1MV)

TandetronTandetronTandetronTandetronDeflector Deflector Deflector Deflector

MagnMagnMagnMagnéééético (90tico (90tico (90tico (90ºººº):):):):

Deflector Deflector Deflector Deflector

ElectrostElectrostElectrostElectrostááááticoticoticotico

(120(120(120(120ºººº))))

Detector:Detector:Detector:Detector:

CCCCáááámara de mara de mara de mara de

IonizaciIonizaciIonizaciIonizacióóóónnnn

MultianMultianMultianMultianóóóódicadicadicadica

6.3 m

3.8 m

Fuente de iones:Fuente de iones:Fuente de iones:Fuente de iones:

SputteringSputteringSputteringSputtering con Cscon Cscon Cscon Cs++++

Deflector Deflector Deflector Deflector

MagnMagnMagnMagnéééético (90tico (90tico (90tico (90ºººº):):):):

Ventajas del AMSVentajas del AMS

��DetecciDeteccióón de cocientes isotn de cocientes isotóópicos de picos de hasta hasta ~10~10--1515

��Cantidad de muestra inicial muy Cantidad de muestra inicial muy pequepequeñña (muy poco destructiva)a (muy poco destructiva)

��Gran rapidez en la medida (mayor Gran rapidez en la medida (mayor capacidad de ancapacidad de anáálisis)lisis)

�� Alcanza lAlcanza líímites fuera del rango de las mites fuera del rango de las ttéécnicas cnicas radiomradioméétricastricas

Medidas en el CNAMedidas en el CNA

��1010Be: estudios climBe: estudios climááticos, solares, ticos, solares, procesos erosivos en geologprocesos erosivos en geologííaa

��1414C: dataciC: datacióón, trazador bioln, trazador biolóógico, gico, biocombustiblesbiocombustibles

��129129I: hidrologI: hidrologíía, oceanografa, oceanografíía, control a, control de residuos nuclearesde residuos nucleares

��239,240239,240Pu: distribuciPu: distribucióón y origen del n y origen del plutonioplutonio

DatingDating by by 1414C C measurementsmeasurements..

�� SamplesSamples ofofmilligramsmilligrams

�� 30 30 minminmeasurementsmeasurements

�� 1% 1% accuracyaccuracy

�� LimitLimit in 50000 in 50000 yearsyears

Edad Radiocarbono Convencional: 3185±40 BP

δδδδ13C: -27.00±0.33 ‰

Calibración 1σσσσ (68% probabilidad): [Comienzo:Fin] Área relativa

[1494 BC:1471 BC] 0.379171 [1466 BC:1429 BC] 0.620829

Calibración 2σσσσ (95% probabilidad): [Comienzo:Fin] Área relativa

[1524 BC:1395 BC] 1

Isabel GIsabel Góómez Martmez Martíínez y Javier Santos Arnez y Javier Santos Aréévalovalo

239,240239,240Pu Pu measurementsmeasurements in in

sedimentssediments

Elena Chamizo CalvoElena Chamizo Calvo

AMS AMS separatesseparates 239239Pu Pu fromfrom 240240PuPu. . MeasurementMeasurement 30 30 minmin, 5% , 5%

uncertaintyuncertainty. . DetectionDetection limitlimit 4 4 µµBqBq..

0

0

1

10

1999

1997

1995

1994

1992

1990

1988

1986

1984

1982

1981

1979

1977

1976

1974

1972

1971

1970

1969

1968

1967

1966

1965

1964

1963

1962

1961

1960

1959

1958

1956

1954

1952

1949

Fechado

A (

239+

240 P

u)

(mB

q/g

)

0%

10%

20%

30%

40%

50%

240 P

u /

239 P

u (

%)

1953

1963

1958

GreenGreen: USA nuclear tests: USA nuclear tests

--MoratoryMoratory betweenbetween 1958 y 1958 y

19611961

--RedRed: USSR tests: USSR tests

--BlueBlue: : FrenchFrench andand chinesechinese

tests.tests.

Training in CNA:Training in CNA:

�� DoctorateDoctorate coursecourse in in AppliedApplied Nuclear Nuclear PhysicsPhysics

�� CoursesCourses in IBA in IBA techniquestechniques

�� CoursesCourses in AMS in AMS techniquestechniques

�� ResearchResearch staysstays ofof traineetrainee researchersresearchers

�� ResearchResearch staysstays ofof radioradio--pharmacistspharmacists

OpportunitiesOpportunities in nuclear in nuclear physicsphysics

��Medida de potenciales bajo la barreraMedida de potenciales bajo la barrera

��MultifragmentaciMultifragmentacióónn con ncon núúcleos cleos establesestables

�� AnAnáálisis de reacciones mediante AMS lisis de reacciones mediante AMS de los blancosde los blancos

�� FFíísica de neutrones en la sica de neutrones en la linealineaexterna del ciclotrexterna del ciclotróón.n.

OpportunitiesOpportunities in nuclear in nuclear

technologytechnology

��NewNew detector tests.detector tests.

�� IrradiationIrradiation lineline..

��NeutronNeutron lineline ((projectproject). ).

�� BeamBeam diagnosis diagnosis studiesstudies ( DITANET ( DITANET Marie Curie Marie Curie networknetwork).).

�� Fast Fast electronicselectronics forfor nuclear nuclear physicsphysicsdetectorsdetectors..

Cámara DINEX para scattering y test de detectores

El CNA es una instalación nacional (ICTS) abierta a la comunidad científica española e internacional.

La comunidad española de física nuclear puede beneficiarse del uso del CNA.

http://http://www.centro.us.es/cnawww.centro.us.es/cna//

cna@us.escna@us.es

UsageUsage datadata

262665652525AMSAMS

101024242626TTáándemndem

PendingPending

(Dic. 2008).(Dic. 2008).

ApprovedApprovedapplicationsapplications

20082008

ApprovedApprovedapplicationsapplications

20072007

Horizontal Horizontal ObjectivesObjectives forfor 20102010--20132013�� Research:Research: consolidate as a users oriented research consolidate as a users oriented research

infrastructure, open to researchers, both Spanish and infrastructure, open to researchers, both Spanish and from abroad. from abroad.

�� Technology:Technology: contribute to the development of contribute to the development of technology and instrumentation, in collaboration with technology and instrumentation, in collaboration with other research centres, and with high technology other research centres, and with high technology companies.companies.

�� Services:Services: continue providing highly specialized services, continue providing highly specialized services, to researchers, companies, and the society in general.to researchers, companies, and the society in general.

�� Training:Training: become a reference centre in Spain for the become a reference centre in Spain for the training of scientists and technicians in all aspects training of scientists and technicians in all aspects associated with particle accelerators associated with particle accelerators

�� Administration:Administration: provide a better support to the provide a better support to the researchers and users, and to be able to cope researchers and users, and to be able to cope administration of European, national and regional funds. administration of European, national and regional funds.

StrategiesStrategies forfor thethe horizontal horizontal objectivesobjectives

�� Increase the CNA visibility in the European Scientific Increase the CNA visibility in the European Scientific community.community.

�� Facilitate the use of CNA for new Spanish and European Facilitate the use of CNA for new Spanish and European users.users.

�� Promote collaborations with other research groups and Promote collaborations with other research groups and companies.companies.

�� Develop the existing services (14C, IBA) and create new Develop the existing services (14C, IBA) and create new ones (Irradiation).ones (Irradiation).

�� Offer CNAOffer CNA--based courses (Molecular Imaging, nuclear based courses (Molecular Imaging, nuclear instrumentation, accelerator operation) instrumentation, accelerator operation)

�� Electronic, bilingual, qualityElectronic, bilingual, quality--certified Administration.certified Administration.

Vertical Vertical ObjectivesObjectives forfor 20102010--20132013�� Ion Beam Analysis Techniques:Ion Beam Analysis Techniques: Remain as the national Remain as the national

reference centre in IBA techniques, in material science, reference centre in IBA techniques, in material science, archeometryarcheometry, environmental sciences. , environmental sciences.

�� Accelerator Mass Spectrometry:Accelerator Mass Spectrometry: Consolidate as a European Consolidate as a European reference in AMS. through a service of 14C dating, reference in AMS. through a service of 14C dating, PuPu isotope isotope separation, and research in accelerator mass spectrometry of separation, and research in accelerator mass spectrometry of different isotopes.different isotopes.

�� Nuclear Instrumentation:Nuclear Instrumentation: Become a national reference Become a national reference centre in the development of detectors and nuclear centre in the development of detectors and nuclear instrumentation, and offer instrumentation, and offer a homea home basis for the nuclear and basis for the nuclear and particle scientists working in large international facilities.particle scientists working in large international facilities.

�� Molecular Imaging:Molecular Imaging: Become a national reference in the Become a national reference in the development of new radiodevelopment of new radio--pharmaceuticals, and the use of PET pharmaceuticals, and the use of PET imaging techniques, in preimaging techniques, in pre--clinical research in animals and clinical research in animals and clinical research in humans.clinical research in humans.

�� Irradiation:Irradiation: Become a reference laboratory to carry out Become a reference laboratory to carry out certified irradiation tests, both with particles and photons, incertified irradiation tests, both with particles and photons, incircuits, solar panels, and other materials of interest for highcircuits, solar panels, and other materials of interest for hightechnology and aerotechnology and aero--space companies.space companies.

Action 1: Construction of a photon irradiation Action 1: Construction of a photon irradiation laboratory:laboratory:

�� Objective: Objective: Installation of a photon Installation of a photon irradiation laboratory in CNA, with a 60 irradiation laboratory in CNA, with a 60 Co irradiator. Co irradiator.

�� Benefits: Benefits: Industry (ALTER), CNA as Industry (ALTER), CNA as irradiation centre.irradiation centre.

�� Budget: Budget: 600 k600 k€€ (civil work) + 1280 k(civil work) + 1280 k€€(irradiator)(irradiator)

�� Personnel: Personnel: high technician (TS) for the high technician (TS) for the installation and operation of the facility.installation and operation of the facility.

Action 1: Construction of a photon Action 1: Construction of a photon irradiation laboratory:irradiation laboratory:

ActionAction 2: 2: Installation of a human PET scannerInstallation of a human PET scanner

�� Objective: Objective: Installation of a PET scanner Installation of a PET scanner for humans in CNA. The laboratory where for humans in CNA. The laboratory where it will be placed is already available. it will be placed is already available.

�� Benefits:Benefits: Use by the medical community. Use by the medical community. Unique research in shortUnique research in short--lived radiolived radio--farmaceuticalsfarmaceuticals. Radio. Radio--chemistry chemistry laboratories already available.laboratories already available.

�� Budget:Budget: scanner: 1800 kscanner: 1800 k€€

�� Personnel:Personnel: TS for PET operation. TS for TS for PET operation. TS for radioradio--chemistry. chemistry.

ActionAction 2: 2: Installation of a human PET scannerInstallation of a human PET scanner

Action 3: Completion of the 14C dating service:Action 3: Completion of the 14C dating service:

�� Objective: Objective: Complete the funds obtained Complete the funds obtained in the previous ICTS call to acquire a in the previous ICTS call to acquire a specific 14C AMS accelerator. specific 14C AMS accelerator.

�� Benefits:Benefits: Service of 14C, environmental Service of 14C, environmental research, cultural heritage, Unique facility research, cultural heritage, Unique facility in Spain.in Spain.

�� Budget: Budget: 400 k400 k€€ (rest of accelerator) + (rest of accelerator) + 100 k100 k€€ (sample preparation)(sample preparation)

�� Personnel: Personnel: TS for 14C accelerator, TM for TS for 14C accelerator, TM for 14 laboratory14 laboratory

Action 3: Completion of the 14C dating Action 3: Completion of the 14C dating service:service:

ActionAction 4: 4: Installation of a detector laboratory in Installation of a detector laboratory in CNA:CNA:

�� Objective: Objective: Equip a detector laboratory, Equip a detector laboratory, with airwith air--clean system, vacuum systems, clean system, vacuum systems, gas inlets, electronic equipment, to gas inlets, electronic equipment, to manipulate and investigate detector manipulate and investigate detector arrays.arrays.

�� Benefit:Benefit: Researchers and users. Patents. Researchers and users. Patents. SpinSpin--offs.offs.

�� Budget:Budget: 100 k100 k€€ (adaptation) 200k(adaptation) 200k€€(equipment)(equipment)

�� Personnel:Personnel: TM to operate laboratory.TM to operate laboratory.

ActionAction 4: 4: Installation of a detector Installation of a detector laboratory in CNA:laboratory in CNA:

ActionAction 5: 5: Upgrade of the beam lines in the Upgrade of the beam lines in the Tandem and Cyclotron:Tandem and Cyclotron:

�� Objective:Objective:

–– Upgrade the equipment of the external beam Upgrade the equipment of the external beam Tandem line.Tandem line.

–– Equip a dedicated line for high energy PIXE(HE Equip a dedicated line for high energy PIXE(HE PIXE) in the Cyclotron line. PIXE) in the Cyclotron line.

–– Construction of a dedicated neutron line, to Construction of a dedicated neutron line, to test neutron detectors. test neutron detectors.

–– Upgrade of the microUpgrade of the micro--probe to achieve subprobe to achieve sub--micron resolution. micron resolution.

�� BenefitsBenefits: : ResearchersResearchers andand usersusers. . IncreaseIncrease thethedemanddemand ofof IBA IBA measurementsmeasurements..

�� Budget: 400 Budget: 400 kk€€

�� PersonnelPersonnel: 1 TS : 1 TS forfor IBA IBA techniquestechniques, 1 TM , 1 TM forfor thetheacceleratoraccelerator,,

ActionAction 5: 5: Upgrade of the beam lines in Upgrade of the beam lines in the Tandem and Cyclotron:the Tandem and Cyclotron:

PersonnelPersonnel policypolicy

�� TheThe actionsactions proposedproposed shouldshouldgenerategenerate sufficientsufficient external external benefitsbenefitstoto covercover personnelpersonnel costscosts..

��KeyKey personnelpersonnel shouldshould havehave thethepossibilitypossibility toto applyapply forfor permanentpermanentpositionspositions..

�� TheThe successsuccess ofof thisthis strategicstrategic plan plan dependsdepends onon CNA CNA patronspatrons generatinggeneratingkeykey permanentpermanent positionspositions. .

RequestRequest toto CSICCSIC

�� 2010: TM 2010: TM forfor radioradio--carboncarbon laboratorylaboratory

�� 2011: TS 2011: TS forfor 14C AMS 14C AMS acceleratoraccelerator

�� 2012: Group C 2012: Group C forfor administrationadministration

�� 2012: TS 2012: TS forfor radiochemistryradiochemistry lablab..

�� 2013: TS 2013: TS forfor PET PET imagingimaging

�� 2013: TM 2013: TM forfor detector detector laboratorylaboratory

PracticalPractical cases cases ofof CNA CNA usageusage

�� I I wishwish toto check check thethe puritypurity ofof my Si my Si detector (IBA detector (IBA ServiceService) )

�� I I wishwish toto test test thethe radiationradiation hardnesshardness ofof my my electronicselectronics ((ProposalProposal))

�� I I wishwish my my studentstudent//techniciantechnician toto getget somesomesomesome acceleratoraccelerator expertiseexpertise ((StayStay--CourseCourse))

�� I I wishwish toto test test thethe array I array I amam collaboratingcollaboratingin (in (ProposalProposal--CollaborationCollaboration))

�� I I wishwish toto developdevelop a a newnew beambeam lineline forfor my my researchresearch ((LetterLetter ofof intentintent))

CNA is a user facility (ICTS) open to thespanish and international scientificcommunity.

The particle physics community is speciallywelcome to use the CNA facilities.

http://http://www.centro.us.es/cnawww.centro.us.es/cna//

cna@us.escna@us.es