Measurement of high-pT single electrons from heavy-flavor decays in p + p collisions at square root of s = 200 GeV
The momentum distribution of electrons from decays of heavy flavor (charm and bottom) for midrapidity absolute value of y < 0.35 in p + p collisions at square root of s = 200 GeV has been measured by the PHENIX experiment at the BNL Relativistic Heavy Ion Collider over the transverse momentum ran...
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| Veröffentlicht in: | Physical review letters 2006-12, Vol.97 (25), p.252002-252002 |
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| creator | Adare, A Afanasiev, S Aidala, C Ajitanand, N N Akiba, Y Al-Bataineh, H Alexander, J Aoki, K Aphecetche, L Armendariz, R Aronson, S H Asai, J Atomssa, E T Averbeck, R Awes, T C Azmoun, B Babintsev, V Baksay, G Baksay, L Baldisseri, A Barish, K N Barnes, P D Bassalleck, B Bathe, S Batsouli, S Baublis, V Bazilevsky, A Belikov, S Bennett, R Berdnikov, Y Bickley, A A Boissevain, J G Borel, H Boyle, K Brooks, M L Buesching, H Bumazhnov, V Bunce, G Butsyk, S Campbell, S Chang, B S Charvet, J-L Chernichenko, S Chiba, J Chi, C Y Chiu, M Choi, I J Chujo, T Chung, P Churyn, A Cianciolo, V Cleven, C R Cole, B A Comets, M P Constantin, P Csanád, M Csörgo, T Dahms, T Das, K David, G Deaton, M B Dehmelt, K Delagrange, H Denisov, A d'Enterria, D Deshpande, A Desmond, E J Dietzsch, O Dion, A Donadelli, M Drapier, O Drees, A Dubey, A K Durum, A Dzhordzhadze, V Efremenko, Y V Egdemir, J Ellinghaus, F Emam, W S Enokizono, A En'yo, H Esumi, S Eyser, K O Fields, D E Finger, Jr, M Fleuret, F Fokin, S L Fraenkel, Z Franz, A Frantz, J Frawley, A D Fujiwara, K Fukao, Y Fusayasu, T Gadrat, S Garishvili, I Glenn, A Gong, H Gonin, M Gosset, J |
| description | The momentum distribution of electrons from decays of heavy flavor (charm and bottom) for midrapidity absolute value of y < 0.35 in p + p collisions at square root of s = 200 GeV has been measured by the PHENIX experiment at the BNL Relativistic Heavy Ion Collider over the transverse momentum range 0.3 < pT < 9 GeV/c. Two independent methods have been used to determine the heavy-flavor yields, and the results are in good agreement with each other. A fixed-order-plus-next-to-leading-log perturbative QCD calculation agrees with the data within the theoretical and experimental uncertainties, with the data/theory ratio of 1.71+/-0.02stat+/-0.18sys for 0.3 < pT < 9 GeV/c. The total charm production cross section at this energy has also been deduced to be sigma cc = 567+/-57stat+/-193sys microb. |
| format | Article |
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Two independent methods have been used to determine the heavy-flavor yields, and the results are in good agreement with each other. A fixed-order-plus-next-to-leading-log perturbative QCD calculation agrees with the data within the theoretical and experimental uncertainties, with the data/theory ratio of 1.71+/-0.02stat+/-0.18sys for 0.3 < pT < 9 GeV/c. 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P</creatorcontrib><creatorcontrib>Constantin, P</creatorcontrib><creatorcontrib>Csanád, M</creatorcontrib><creatorcontrib>Csörgo, T</creatorcontrib><creatorcontrib>Dahms, T</creatorcontrib><creatorcontrib>Das, K</creatorcontrib><creatorcontrib>David, G</creatorcontrib><creatorcontrib>Deaton, M B</creatorcontrib><creatorcontrib>Dehmelt, K</creatorcontrib><creatorcontrib>Delagrange, H</creatorcontrib><creatorcontrib>Denisov, A</creatorcontrib><creatorcontrib>d'Enterria, D</creatorcontrib><creatorcontrib>Deshpande, A</creatorcontrib><creatorcontrib>Desmond, E J</creatorcontrib><creatorcontrib>Dietzsch, O</creatorcontrib><creatorcontrib>Dion, A</creatorcontrib><creatorcontrib>Donadelli, M</creatorcontrib><creatorcontrib>Drapier, O</creatorcontrib><creatorcontrib>Drees, A</creatorcontrib><creatorcontrib>Dubey, A K</creatorcontrib><creatorcontrib>Durum, A</creatorcontrib><creatorcontrib>Dzhordzhadze, V</creatorcontrib><creatorcontrib>Efremenko, Y V</creatorcontrib><creatorcontrib>Egdemir, J</creatorcontrib><creatorcontrib>Ellinghaus, F</creatorcontrib><creatorcontrib>Emam, W S</creatorcontrib><creatorcontrib>Enokizono, A</creatorcontrib><creatorcontrib>En'yo, H</creatorcontrib><creatorcontrib>Esumi, S</creatorcontrib><creatorcontrib>Eyser, K O</creatorcontrib><creatorcontrib>Fields, D E</creatorcontrib><creatorcontrib>Finger, Jr, M</creatorcontrib><creatorcontrib>Fleuret, F</creatorcontrib><creatorcontrib>Fokin, S L</creatorcontrib><creatorcontrib>Fraenkel, Z</creatorcontrib><creatorcontrib>Franz, A</creatorcontrib><creatorcontrib>Frantz, J</creatorcontrib><creatorcontrib>Frawley, A D</creatorcontrib><creatorcontrib>Fujiwara, K</creatorcontrib><creatorcontrib>Fukao, Y</creatorcontrib><creatorcontrib>Fusayasu, T</creatorcontrib><creatorcontrib>Gadrat, S</creatorcontrib><creatorcontrib>Garishvili, I</creatorcontrib><creatorcontrib>Glenn, A</creatorcontrib><creatorcontrib>Gong, H</creatorcontrib><creatorcontrib>Gonin, M</creatorcontrib><creatorcontrib>Gosset, J</creatorcontrib><creatorcontrib>PHENIX Collaboration</creatorcontrib><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Adare, A</au><au>Afanasiev, S</au><au>Aidala, C</au><au>Ajitanand, N N</au><au>Akiba, Y</au><au>Al-Bataineh, H</au><au>Alexander, J</au><au>Aoki, K</au><au>Aphecetche, L</au><au>Armendariz, R</au><au>Aronson, S H</au><au>Asai, J</au><au>Atomssa, E T</au><au>Averbeck, R</au><au>Awes, T C</au><au>Azmoun, B</au><au>Babintsev, V</au><au>Baksay, G</au><au>Baksay, L</au><au>Baldisseri, A</au><au>Barish, K N</au><au>Barnes, P D</au><au>Bassalleck, B</au><au>Bathe, S</au><au>Batsouli, S</au><au>Baublis, V</au><au>Bazilevsky, A</au><au>Belikov, S</au><au>Bennett, R</au><au>Berdnikov, Y</au><au>Bickley, A A</au><au>Boissevain, J G</au><au>Borel, H</au><au>Boyle, K</au><au>Brooks, M L</au><au>Buesching, H</au><au>Bumazhnov, V</au><au>Bunce, G</au><au>Butsyk, S</au><au>Campbell, S</au><au>Chang, B S</au><au>Charvet, J-L</au><au>Chernichenko, S</au><au>Chiba, J</au><au>Chi, C Y</au><au>Chiu, M</au><au>Choi, I J</au><au>Chujo, T</au><au>Chung, P</au><au>Churyn, A</au><au>Cianciolo, V</au><au>Cleven, C R</au><au>Cole, B A</au><au>Comets, M P</au><au>Constantin, P</au><au>Csanád, M</au><au>Csörgo, T</au><au>Dahms, T</au><au>Das, K</au><au>David, G</au><au>Deaton, M B</au><au>Dehmelt, K</au><au>Delagrange, H</au><au>Denisov, A</au><au>d'Enterria, D</au><au>Deshpande, A</au><au>Desmond, E J</au><au>Dietzsch, O</au><au>Dion, A</au><au>Donadelli, M</au><au>Drapier, O</au><au>Drees, A</au><au>Dubey, A K</au><au>Durum, A</au><au>Dzhordzhadze, V</au><au>Efremenko, Y V</au><au>Egdemir, J</au><au>Ellinghaus, F</au><au>Emam, W S</au><au>Enokizono, A</au><au>En'yo, H</au><au>Esumi, S</au><au>Eyser, K O</au><au>Fields, D E</au><au>Finger, Jr, M</au><au>Fleuret, F</au><au>Fokin, S L</au><au>Fraenkel, Z</au><au>Franz, A</au><au>Frantz, J</au><au>Frawley, A D</au><au>Fujiwara, K</au><au>Fukao, Y</au><au>Fusayasu, T</au><au>Gadrat, S</au><au>Garishvili, I</au><au>Glenn, A</au><au>Gong, H</au><au>Gonin, M</au><au>Gosset, J</au><aucorp>PHENIX Collaboration</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measurement of high-pT single electrons from heavy-flavor decays in p + p collisions at square root of s = 200 GeV</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2006-12-22</date><risdate>2006</risdate><volume>97</volume><issue>25</issue><spage>252002</spage><epage>252002</epage><pages>252002-252002</pages><issn>0031-9007</issn><abstract>The momentum distribution of electrons from decays of heavy flavor (charm and bottom) for midrapidity absolute value of y < 0.35 in p + p collisions at square root of s = 200 GeV has been measured by the PHENIX experiment at the BNL Relativistic Heavy Ion Collider over the transverse momentum range 0.3 < pT < 9 GeV/c. Two independent methods have been used to determine the heavy-flavor yields, and the results are in good agreement with each other. A fixed-order-plus-next-to-leading-log perturbative QCD calculation agrees with the data within the theoretical and experimental uncertainties, with the data/theory ratio of 1.71+/-0.02stat+/-0.18sys for 0.3 < pT < 9 GeV/c. The total charm production cross section at this energy has also been deduced to be sigma cc = 567+/-57stat+/-193sys microb.</abstract><cop>United States</cop><pmid>17280343</pmid><tpages>1</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2006-12, Vol.97 (25), p.252002-252002 |
| issn | 0031-9007 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_68312441 |
| source | American Physical Society Journals |
| title | Measurement of high-pT single electrons from heavy-flavor decays in p + p collisions at square root of s = 200 GeV |
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