Scaling of the F-2 Structure Function in Nuclei and Quark Distributions at x > 1

dc.contributor.author

Fomin, N

dc.contributor.author

Arrington, J

dc.contributor.author

Day, DB

dc.contributor.author

Gaskell, D

dc.contributor.author

Daniel, A

dc.contributor.author

Seely, J

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Asaturyan, R

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Benmokhtar, F

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Boeglin, W

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Boillat, B

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Bosted, P

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Bruell, A

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Bukhari, MHS

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Christy, ME

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Chudakov, E

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Clasie, B

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Connell, SH

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Dalton, MM

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Dutta, D

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Ent, R

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El Fassi, L

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Fenker, H

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Filippone, BW

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Garrow, K

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Hill, C

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Holt, RJ

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Horn, T

dc.contributor.author

Jones, MK

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Jourdan, J

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Kalantarians, N

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Keppel, CE

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Kiselev, D

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Kotulla, M

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Lindgren, R

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Lung, AF

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Malace, S

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Markowitz, P

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McKee, P

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Meekins, DG

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Miyoshi, T

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Mkrtchyan, H

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Navasardyan, T

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Niculescu, G

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Okayasu, Y

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Opper, AK

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Perdrisat, C

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Potterveld, DH

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Punjabi, V

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Qian, X

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Reimer, PE

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Roche, J

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Rodriguez, VM

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Rondon, O

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Schulte, E

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Segbefia, E

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Slifer, K

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Smith, GR

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Solvignon, P

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Tadevosyan, V

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Tajima, S

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Tang, L

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Testa, G

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Trojer, R

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Tvaskis, V

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Vulcan, WF

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Wasko, C

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Wesselmann, FR

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Wood, SA

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Wright, J

dc.contributor.author

Zheng, X

dc.date.accessioned

2011-06-21T17:27:51Z

dc.date.available

2011-06-21T17:27:51Z

dc.date.issued

2010

dc.description.abstract

We present new data on electron scattering from a range of nuclei taken in Hall C at Jefferson Lab. For heavy nuclei, we observe a rapid falloff in the cross section for x > 1, which is sensitive to short-range contributions to the nuclear wave function, and in deep inelastic scattering corresponds to probing extremely high momentum quarks. This result agrees with higher energy muon scattering measurements, but is in sharp contrast to neutrino scattering measurements which suggested a dramatic enhancement in the distribution of the "superfast" quarks probed at x > 1. The falloff at x > 1 is noticeably stronger in H-2 and He-3, but nearly identical for all heavier nuclei.

dc.description.version

Version of Record

dc.identifier.citation

Fomin,N.;Arrington,J.;Day,D. B.;Gaskell,D.;Daniel,A.;Seely,J.;Asaturyan,R.;Benmokhtar,F.;Boeglin,W.;Boillat,B.;Bosted,P.;Bruell,A.;Bukhari,M. H. S.;Christy,M. E.;Chudakov,E.;Clasie,B.;Connell,S. H.;Dalton,M. M.;Dutta,D.;Ent,R.;El Fassi,L.;Fenker,H.;Filippone,B. W.;Garrow,K.;Hill,C.;Holt,R. J.;Horn,T.;Jones,M. K.;Jourdan,J.;Kalantarians,N.;Keppel,C. E.;Kiselev,D.;Kotulla,M.;Lindgren,R.;Lung,A. F.;Malace,S.;Markowitz,P.;Mckee,P.;Meekins,D. G.;Miyoshi,T.;Mkrtchyan,H.;Navasardyan,T.;Niculescu,G.;Okayasu,Y.;Opper,A. K.;Perdrisat,C.;Potterveld,D. H.;Punjabi,V.;Qian,X.;Reimer,P. E.;Roche,J.;Rodriguez,V. M.;Rondon,O.;Schulte,E.;Segbefia,E.;Slifer,K.;Smith,G. R.;Solvignon,P.;Tadevosyan,V.;Tajima,S.;Tang,L.;Testa,G.;Trojer,R.;Tvaskis,V.;Vulcan,W. F.;Wasko,C.;Wesselmann,F. R.;Wood,S. A.;Wright,J.;Zheng,X.. 2010. Scaling of the F-2 Structure Function in Nuclei and Quark Distributions at x > 1. Physical Review Letters 105(21): 212502-212502.

dc.identifier.issn

0031-9007

dc.identifier.uri

https://hdl.handle.net/10161/4305

dc.language.iso

en_US

dc.publisher

American Physical Society (APS)

dc.relation.isversionof

10.1103/PhysRevLett.105.212502

dc.relation.journal

Physical Review Letters

dc.subject

inclusive electron-scattering

dc.subject

inelastic lepton scattering

dc.subject

dependence

dc.subject

physics, multidisciplinary

dc.title

Scaling of the F-2 Structure Function in Nuclei and Quark Distributions at x > 1

dc.title.alternative
dc.type

Other article

duke.date.pubdate

2010-11-17

duke.description.issue

21

duke.description.volume

105

pubs.begin-page

212502

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