Search for radiative b-hadron decays in p(p)over-bar collisions at root s=1.8 TeV

Shochet, M; Williams, HH; Wilson, P; Winer, BL; Winn, D; Wolbers, S; Wolinski, D; Wolinski, J; Wolinski, S; Wolter, M; Worm, S; Wu, X; Wyss, J; Yang, UK; Yao, W; Yeh, GP; Yeh, P; Yi, K; Yoh, J; Yosef, C; Yoshida, T; Yu, I; Yu, S; Yu, Z; Yun, JC; Zanetti, A; Zetti, F; Zucchelli, S; Kartal, Sehban; Acosta, D; Affolder, T; Akimoto, H; Albrow, MG; Ambrose, D; Amidei, D; Anikeev, K; Antos, J; Apollinari, G; Arisawa, T; Artikov, A; Asakawa, T; Ashmanskas, W; Azfar, F; Azzi-Bacchetta, P; Bacchetta, N; Bachacou, H; Badgett, W; Bailey, S; de Barbaro, P; Barbaro-Galtieri, A; Barnes, VE; Barnett, BA; Baroiant, S; Barone, M; Bauer, G; Bedeschi, F; Behari, S; Belforte, S; Bell, WH; Bellettini, G; Bellinger, J; Benjamin, D; Bensinger, J; Beretvas, A; Berryhill, J; Bhatti, A; Binkley, M; Bisello, D; Bishai, M; Blair, RE; Blocker, C; Bloom, K; Blumenfeld, B; Blusk, SR; Bocci, A; Bodek, A; Bolla, G; Bonushkin, Y; Bortoletto, D; Boudreau, J; Brandl, A; Bromberg, C; Brozovic, M; Brubaker, E; Bruner, N; Budagov, J; Budd, HS; Burkett, K; Busetto, G; Byrum, KL; Cabrera, S; Calafiura, P; Campbell, M; Carithers, W; Carlson, J; Carlsmith, D; Caskey, W; Castro, A; Cauz, D; Cerri, A; Chan, AW; Chang, PS; Chang, PT; Chapman, J; Chen, C; Chen, YC; Cheng, MT; Chertok, M; Chiarelli, G; Chirikov-Zorin, I; Chlachidze, G; Chlebana, F; Christofek, L; Chu, ML; Chung, JY; Chung, WH; Chung, YS; Ciobanu, CI; Clark, AG; Coca, M; Colijn, AP; Connolly, A; Convery, M; Conway, J; Cordelli, M; Cranshaw, J; Culbertson, R; Dagenhart, D; D'Auria, S; DeJongh, F; Dell'Agnello, S; Dell'Orso, M; Demers, S; Demortier, L; Deninno, M; Derwent, PF; Devlin, T; Dittmann, JR; Dominguez, A; Donati, S; D'Onofrio, M; Dorigo, T; Dunietz, I; Eddy, N; Einsweiler, K; Engels, E; Erbacher, R; Errede, D; Errede, S; Fan, Q; Fang, HC; Farrington, S; Feild, RG; Fernandez, JP; Ferretti, C; Field, RD; Fiori, I; Flaugher, B; Flores-Castillo, LR; Foster, GW; Franklin, M; Freeman, J; Friedman, J; Fukui, Y; Furic, I; Galeotti, S; Gallas, A; Gallinaro, M; Gao, T; Garcia-Sciveres, M; Garfinkel, AF; Gatti, P; Gay, C; Gerdes, DW; Gerstein, E; Giannetti, P; Giolo, K; Giordani, M; Giromini, P; Glagolev, V; Glenzinski, D; Gold, M; Goldstein, J; Gomez, G; Goncharov, M; Gorelov, I; Goshaw, AT; Gotra, Y; Goulianos, K; Green, C; Grim, G; Grosso-Pilcher, C; Guenther, M; Guillian, G; da Costa, JG; Haas, RM; Haber, C; Hahn, SR; Hall, C; Handa, T; Handler, R; Happacher, F; Hara, K; Hardman, AD; Harris, RM; Hartmann, F; Hatakeyama, K; Hauser, J; Heinrich, J; Heiss, A; Hennecke, M; Herndon, M; Hill, C; Hocker, A; Hoffman, KD; Hollebeek, R; Holloway, L; Huffman, BT; Hughes, R; Huston, J; Huth, J; Ikeda, H; Incandela, J; Introzzi, G; Ivanov, A; Iwai, J; Iwata, Y; James, E; Jones, M; Joshi, U; Kambara, H; Kamon, T; Kaneko, T; Unel, MK; Karr, K; Kasha, H; Kato, Y; Keaffaber, TA; Kelley, K; Kelly, M; Kennedy, RD; Kephart, R; Khazins, D; Kikuchi, T; Kilminster, B; Kim, BJ; Kim, DH; Kim, HS; Kim, MJ; Kim, SB; Kim, SH; Kim, YK; Kirby, M; Kirk, M; Kirsch, L; Klimenko, S; Koehn, P; Kondo, K; Konigsberg, J; Kordas, K; Korn, A; Korytov, A; Kovacs, E; Kroll, J; Kruse, M; Krutelyov, V; Kuhlmann, SE; Kurino, K; Kuwabara, T; Laasanen, AT; Lai, N; Lami, S; Lammel, S; Lancaster, J; Lancaster, M; Lander, R; Lath, A; Latino, G; LeCompte, T; Le, Y; Lee, K; Lee, SW; Leone, S; Lewis, JD; Lindgren, M; Liss, TM; Liu, JB; Liu, T; Liu, YC; Litvintsev, DO; Lobban, O; Lockyer, NS; Loken, J; Loreti, M; Lucchesi, D; Lukens, P; Lusin, S; Lyons, L; Lys, J; Madrak, R; Maeshima, K; Maksimovic, P; Malferrari, L; Mangano, M; Manca, G; Mariotti, M; Martignon, G; Martin, M; Martin, A; Martin, V; Matthews, JAJ; Mazzanti, P; McFarland, KS; McIntyre, P; Menguzzato, M; Menzione, A; Merkel, P; Mesropian, C; Meyer, A; Miao, T; Miller, R; Miller, JS; Minato, H; Miscetti, S; Mishina, M; Mitselmakher, G; Miyazaki, Y; Moggi, N; Moore, E; Moore, R; Morita, Y; Moulik, T; Mulhearn, M; Mukherjee, A; Muller, T; Munar, A; Murat, P; Murgia, S; Nachtman, J; Nagaslaev, V; Nahn, S; Nakada, H; Nakano, I; Napora, R; Nelson, C; Nelson, T; Neu, C; Neuberger, D; Newman-Holmes, C; Ngan, CYP; Nigmanov, T; Niu, H; Nodulman, L; Nomerotski, A; Oh, SH; Oh, YD; Ohmoto, T; Ohsugi, T; Oishi, R; Okusawa, T; Olsen, J; Orejudos, W; Pagliarone, C; Palmonari, F; Paoletti, R; Papadimitriou, V; Partos, D; Patrick, J; Pauletta, G; Paulini, M; Pauly, T; Paus, C; Pellett, D; Pescara, L; Phillips, TJ; Piacentino, G; Piedra, J; Pitts, KT; Pompos, A; Pondrom, L; Pope, G; Pratt, T; Prokoshin, F; Proudfoot, J; Ptohos, F; Pukhov, O; Punzi, G; Rademacker, J; Ragan, K; Rakitine, A; Ratnikov, F; Reher, D; Reichold, A; Renton, P; Ribon, A; Riegler, W; Rimondi, F; Ristori, L; Riveline, M; Robertson, WJ; Rodrigo, T; Rolli, S; Rosenson, L; Roser, R; Rossin, R; Rott, C; Roy, A; Ruiz, A; Ryan, D; Safonov, A; St Denis, R; Sakumoto, WK; Saltzberg, D; Sanchez, C; Sansoni, A; Santi, L; Sato, H; Savard, P; Savoy-Navarro, A; Schlabach, P; Schmidt, EE; Schmidt, MP; Schmitt, M; Scodellaro, L; Scott, A; Scribano, A; Sedov, A; Seidel, S; Seiya, Y; Semenov, A; Semeria, F; Shah, T; Shapiro, MD; Shepard, PF; Shibayama, T; Shimojima, M; Sidoti, A; Siegrist, J; Sill, A; Sinervo, P; Singh, P; Slaughter, AJ; Sliwa, K; Snider, FD; Solodsky, A; Spalding, J; Speer, T; Spezziga, M; Sphicas, P; Spinella, F; Spiropulu, M; Spiegel, L; Steele, J; Stefanini, A; Strologas, J; Strumia, F; Stuart, D; Sukhanov, A; Sumorok, K; Suzuki, T; Takano, T; Takashima, R; Takikawa, K; Tamburello, P; Tanaka, M; Tannenbaum, B; Tecchio, M; Tesarek, RJ; Teng, PK; Terashi, K; Tether, S; Thompson, AS; Thomson, E; Thurman-Keup, R; Tipton, P; Tkaczyk, S; Toback, D; Tollefson, K; Tollestrup, A; Tonelli, D; Tonnesmann, M; Toyoda, H; Trischuk, W; de Troconiz, JF; Tseng, J; Tsybychev, D; Turini, N; Ukegawa, F; Unverhau, T; Vaiciulis, T; Valls, J; Vataga, E; Vejcik, S; Velev, G; Veramendi, G; Vidal, R; Vila, I; Vilar, R; Volobouev, I; von der Mey, M; Vucinic, D; Wagner, RG; Wagner, RL; Wagner, W; Wallace, NB; Wan, Z; Wang, C; Wang, MJ; Wang, SM; Ward, B; Waschke, S; Watanabe, T; Waters, D; Watts, T; Weber, M; Wenzel, H; Wester, WC; Whitehouse, B; Wicklund, AB; Wicklund, E; Wilkes, T

Date

2002

Author

Shochet, M

Williams, HH

Wilson, P

Winer, BL

Winn, D

Wolbers, S

Wolinski, D

Wolinski, J

Wolinski, S

Wolter, M

Worm, S

Wu, X

Wyss, J

Yang, UK

Yao, W

Yeh, GP

Yeh, P

Yi, K

Yoh, J

Yosef, C

Yoshida, T

Yu, I

Yu, S

Yu, Z

Yun, JC

Zanetti, A

Zetti, F

Zucchelli, S

Kartal, Sehban

Acosta, D

Affolder, T

Akimoto, H

Albrow, MG

Ambrose, D

Amidei, D

Anikeev, K

Antos, J

Apollinari, G

Arisawa, T

Artikov, A

Asakawa, T

Ashmanskas, W

Azfar, F

Azzi-Bacchetta, P

Bacchetta, N

Bachacou, H

Badgett, W

Bailey, S

de Barbaro, P

Barbaro-Galtieri, A

Barnes, VE

Barnett, BA

Baroiant, S

Barone, M

Bauer, G

Bedeschi, F

Behari, S

Belforte, S

Bell, WH

Bellettini, G

Bellinger, J

Benjamin, D

Bensinger, J

Beretvas, A

Berryhill, J

Bhatti, A

Binkley, M

Bisello, D

Bishai, M

Blair, RE

Blocker, C

Bloom, K

Blumenfeld, B

Blusk, SR

Bocci, A

Bodek, A

Bolla, G

Bonushkin, Y

Bortoletto, D

Boudreau, J

Brandl, A

Bromberg, C

Brozovic, M

Brubaker, E

Bruner, N

Budagov, J

Budd, HS

Burkett, K

Busetto, G

Byrum, KL

Cabrera, S

Calafiura, P

Campbell, M

Carithers, W

Carlson, J

Carlsmith, D

Caskey, W

Castro, A

Cauz, D

Cerri, A

Chan, AW

Chang, PS

Chang, PT

Chapman, J

Chen, C

Chen, YC

Cheng, MT

Chertok, M

Chiarelli, G

Chirikov-Zorin, I

Chlachidze, G

Chlebana, F

Christofek, L

Chu, ML

Chung, JY

Chung, WH

Chung, YS

Ciobanu, CI

Clark, AG

Coca, M

Colijn, AP

Connolly, A

Convery, M

Conway, J

Cordelli, M

Cranshaw, J

Culbertson, R

Dagenhart, D

D'Auria, S

DeJongh, F

Dell'Agnello, S

Dell'Orso, M

Demers, S

Demortier, L

Deninno, M

Derwent, PF

Devlin, T

Dittmann, JR

Dominguez, A

Donati, S

D'Onofrio, M

Dorigo, T

Dunietz, I

Eddy, N

Einsweiler, K

Engels, E

Erbacher, R

Errede, D

Errede, S

Fan, Q

Fang, HC

Farrington, S

Feild, RG

Fernandez, JP

Ferretti, C

Field, RD

Fiori, I

Flaugher, B

Flores-Castillo, LR

Foster, GW

Franklin, M

Freeman, J

Friedman, J

Fukui, Y

Furic, I

Galeotti, S

Gallas, A

Gallinaro, M

Gao, T

Garcia-Sciveres, M

Garfinkel, AF

Gatti, P

Gay, C

Gerdes, DW

Gerstein, E

Giannetti, P

Giolo, K

Giordani, M

Giromini, P

Glagolev, V

Glenzinski, D

Gold, M

Goldstein, J

Gomez, G

Goncharov, M

Gorelov, I

Goshaw, AT

Gotra, Y

Goulianos, K

Green, C

Grim, G

Grosso-Pilcher, C

Guenther, M

Guillian, G

da Costa, JG

Haas, RM

Haber, C

Hahn, SR

Hall, C

Handa, T

Handler, R

Happacher, F

Hara, K

Hardman, AD

Harris, RM

Hartmann, F

Hatakeyama, K

Hauser, J

Heinrich, J

Heiss, A

Hennecke, M

Herndon, M

Hill, C

Hocker, A

Hoffman, KD

Hollebeek, R

Holloway, L

Huffman, BT

Hughes, R

Huston, J

Huth, J

Ikeda, H

Incandela, J

Introzzi, G

Ivanov, A

Iwai, J

Iwata, Y

James, E

Jones, M

Joshi, U

Kambara, H

Kamon, T

Kaneko, T

Unel, MK

Karr, K

Kasha, H

Kato, Y

Keaffaber, TA

Kelley, K

Kelly, M

Kennedy, RD

Kephart, R

Khazins, D

Kikuchi, T

Kilminster, B

Kim, BJ

Kim, DH

Kim, HS

Kim, MJ

Kim, SB

Kim, SH

Kim, YK

Kirby, M

Kirk, M

Kirsch, L

Klimenko, S

Koehn, P

Kondo, K

Konigsberg, J

Kordas, K

Korn, A

Korytov, A

Kovacs, E

Kroll, J

Kruse, M

Krutelyov, V

Kuhlmann, SE

Kurino, K

Kuwabara, T

Laasanen, AT

Lai, N

Lami, S

Lammel, S

Lancaster, J

Lancaster, M

Lander, R

Lath, A

Latino, G

LeCompte, T

Le, Y

Lee, K

Lee, SW

Leone, S

Lewis, JD

Lindgren, M

Liss, TM

Liu, JB

Liu, T

Liu, YC

Litvintsev, DO

Lobban, O

Lockyer, NS

Loken, J

Loreti, M

Lucchesi, D

Lukens, P

Lusin, S

Lyons, L

Lys, J

Madrak, R

Maeshima, K

Maksimovic, P

Malferrari, L

Mangano, M

Manca, G

Mariotti, M

Martignon, G

Martin, M

Martin, A

Martin, V

Matthews, JAJ

Mazzanti, P

McFarland, KS

McIntyre, P

Menguzzato, M

Menzione, A

Merkel, P

Mesropian, C

Meyer, A

Miao, T

Miller, R

Miller, JS

Minato, H

Miscetti, S

Mishina, M

Mitselmakher, G

Miyazaki, Y

Moggi, N

Moore, E

Moore, R

Morita, Y

Moulik, T

Mulhearn, M

Mukherjee, A

Muller, T

Munar, A

Murat, P

Murgia, S

Nachtman, J

Nagaslaev, V

Nahn, S

Nakada, H

Nakano, I

Napora, R

Nelson, C

Nelson, T

Neu, C

Neuberger, D

Newman-Holmes, C

Ngan, CYP

Nigmanov, T

Niu, H

Nodulman, L

Nomerotski, A

Oh, SH

Oh, YD

Ohmoto, T

Ohsugi, T

Oishi, R

Okusawa, T

Olsen, J

Orejudos, W

Pagliarone, C

Palmonari, F

Paoletti, R

Papadimitriou, V

Partos, D

Patrick, J

Pauletta, G

Paulini, M

Pauly, T

Paus, C

Pellett, D

Pescara, L

Phillips, TJ

Piacentino, G

Piedra, J

Pitts, KT

Pompos, A

Pondrom, L

Pope, G

Pratt, T

Prokoshin, F

Proudfoot, J

Ptohos, F

Pukhov, O

Punzi, G

Rademacker, J

Ragan, K

Rakitine, A

Ratnikov, F

Reher, D

Reichold, A

Renton, P

Ribon, A

Riegler, W

Rimondi, F

Ristori, L

Riveline, M

Robertson, WJ

Rodrigo, T

Rolli, S

Rosenson, L

Roser, R

Rossin, R

Rott, C

Roy, A

Ruiz, A

Ryan, D

Safonov, A

St Denis, R

Sakumoto, WK

Saltzberg, D

Sanchez, C

Sansoni, A

Santi, L

Sato, H

Savard, P

Savoy-Navarro, A

Schlabach, P

Schmidt, EE

Schmidt, MP

Schmitt, M

Scodellaro, L

Scott, A

Scribano, A

Sedov, A

Seidel, S

Seiya, Y

Semenov, A

Semeria, F

Shah, T

Shapiro, MD

Shepard, PF

Shibayama, T

Shimojima, M

Sidoti, A

Siegrist, J

Sill, A

Sinervo, P

Singh, P

Slaughter, AJ

Sliwa, K

Snider, FD

Solodsky, A

Spalding, J

Speer, T

Spezziga, M

Sphicas, P

Spinella, F

Spiropulu, M

Spiegel, L

Steele, J

Stefanini, A

Strologas, J

Strumia, F

Stuart, D

Sukhanov, A

Sumorok, K

Suzuki, T

Takano, T

Takashima, R

Takikawa, K

Tamburello, P

Tanaka, M

Tannenbaum, B

Tecchio, M

Tesarek, RJ

Teng, PK

Terashi, K

Tether, S

Thompson, AS

Thomson, E

Thurman-Keup, R

Tipton, P

Tkaczyk, S

Toback, D

Tollefson, K

Tollestrup, A

Tonelli, D

Tonnesmann, M

Toyoda, H

Trischuk, W

de Troconiz, JF

Tseng, J

Tsybychev, D

Turini, N

Ukegawa, F

Unverhau, T

Vaiciulis, T

Valls, J

Vataga, E

Vejcik, S

Velev, G

Veramendi, G

Vidal, R

Vila, I

Vilar, R

Volobouev, I

von der Mey, M

Vucinic, D

Wagner, RG

Wagner, RL

Wagner, W

Wallace, NB

Wan, Z

Wang, C

Wang, MJ

Wang, SM

Ward, B

Waschke, S

Watanabe, T

Waters, D

Watts, T

Weber, M

Wenzel, H

Wester, WC

Whitehouse, B

Wicklund, AB

Wicklund, E

Wilkes, T

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Abstract

We have performed a search for radiative b-hadron decays using events produced in p (p) over bar collisions at roots=1.8 TeV and collected by the Collider Detector at Fermilab. The decays we considered were (B) over bar (0)(d)-->(K) over bar*(0)(-->K(-)pi(+))gamma, (B) over bar (0)(s)-->phi(-->K+K-)gamma, Lambda(b)(0)-->Lambda(-->ppi(-))gamma, and their charge conjugates. Two independent methods to identify photons from such decays were employed. In the first method, the photon was detected in the electromagnetic calorimeter. In the second method, the photon was identified by an electron-positron pair produced through the external photon conversion before the tracking detector volume. By combining the two methods we obtain upper limits on the branching fractions for the (B) over bar (0)(d), (B) over bar (0)(s), and Lambda(b)(0) radiative decays which, at the 95% confidence level, are found to be B((B) over bar (0)(d)-->(K) over bar*(0)gamma)phigamma)Lambdagamma)<1.9x10(-3).

URI

http://hdl.handle.net/20.500.12627/137876
https://doi.org/10.1103/physrevd.66.112002

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