FORM-FACTOR RATIO MEASUREMENT IN LAMBDA(-]LAMBDA-E(+)NU(E)()(C))

Authors
CRAWFORD G DAUBENMIER CM FULTON R FUJINO D GAN KK HONSCHEID K KAGAN H KASS R LEE J SUNG M WHITE C WOLF A ZOELLER MM BUTLER F FU X NEMATI B ROSS WR SKUBIC P WOOD M BISHAI M FAST J GERNDT E HINSON JW MCILWAIN RL MIAO T MILLER DH MODESITT M PAYNE D SHIBATA EI SHIPSEY IPJ WANG PN BATTLE M ERNST J GIBBONS L KWON Y ROBERTS S THORNDIKE EH WANG CH DOMINICK J LAMBRECHT M SANGHERA S SHELKOV V SKWARNICKI T STROYNOWSKI R VOLOBOUEV I WEI G ZADOROZHNY P ARTUSO M GAO M GOLDBERG M HE D HORWITZ N MONETI GC MOUNTAIN R MUHEIM F MUKHIN Y PLAYFER S ROZEN Y STONE S XING X ZHU G BARTELT J CSORNA SE EGYED Z JAIN V GIBAUT D KINOSHITA K POMIANOWSKI P BARISH B CHADHA M CHAN S COWEN DF EIGEN G MILLER JS OGRADY C URHEIM J WEINSTEIN AJ ATHANAS M BROWER W MASEK G PAAR HP GRONBERG J KORTE CM KUTSCHKE R MENARY S MORRISON RJ NAKANISHI S NELSON HN NELSON TK QIAO C RICHMAN JD RYD A SPERKA D TAJIMA H WITHERELL MS PROCARIO M BALEST R CHO K FORD WT JOHNSON DR LINGEL K LOHNER M RANKIN P SMITH JG ALEXANDER JP BEBEK C BERKELMAN K BLOOM K BROWDER TE CASSEL DG CHO HA COFFMAN DM CROWCROFT DS DRELL PS DUMAS DJ EHRLICH R GAIDAREV P GARCIASCIVERES M GEISER B GITTELMAN B GRAY SW HARTILL DL HELTSLEY BK HENDERSON S JONES CD JONES SL KANDASWAMY J KATAYAMA N KIM PC KREINICK DL LUDWIG GS MASUI J MEVISSEN J MISTRY NB NG CR NORDBERG E PATTERSON JR PETERSON D RILEY D SALMAN S SAPPER M WURTHWEIN F AVERY P FREYBERGER A RODRIGUEZ J YANG S YELTON J CINABRO D LIU T SAULNIER M WILSON R YAMAMOTO H BERGFELD T EISENSTEIN BI GOLLIN G ONG B PALMER M SELEN M THALER JJ EDWARDS KW OGG M BELLERIVE A BRITTON DI HYATT ERF MACFARLANE DB PATEL PM SPAAN B SADOFF AJ AMMAR R BARINGER P BEAN A BESSON D COPPAGE D COPTY N DAVIS R HANCOCK N KELLY M KOTOV S KRAVCHENKO I KWAK N LAM H KUBOTA Y LATTERY M MOMAYEZI M NELSON JK PATTON S POLING R SAVINOV V SCHRENK S WANG R ALAM MS KIM IJ LING Z MAHMOOD AH ONEILL JJ SEVERINI H SUN CR WAPPLER F
Citation
G. Crawford et al., FORM-FACTOR RATIO MEASUREMENT IN LAMBDA(-]LAMBDA-E(+)NU(E)()(C)), Physical review letters, 75(4), 1995, pp. 624-628
Citations number
19
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
75
Issue
4
Year of publication
1995
Pages
624 - 628
Database
ISI
SICI code
0031-9007(1995)75:4<624:FRMIL>2.0.ZU;2-P
Abstract
The angular distributions of the decay Lambda(c)(+) --> Lambda e(+)nu( e) have been studied using the CLEO II detector. By performing a three -dimensional maximum likelihood fit, the form factor ratio R = f(2)/f( 1) is determined to be -0.25 +/- 0.14 +/- 0.08. The decay asymmetry pa rameter of the Lambda(c) averaged over q(2) is calculated to be alpha( Lambda c) = -0.82(-0.06-0.03)(+0.09+0.06) .